13 Commits

Author SHA1 Message Date
42deba342a Update to version 1.0.0-rc.4 2017-08-29 02:17:29 +01:00
95f217fa2e Rebuild site with new github link in sidebar 2017-08-08 22:53:42 +01:00
8028308194 Add link to Github repo in sidebar 2017-08-08 22:50:44 +01:00
28f128b355 Use nested scss syntax 2017-08-08 22:50:17 +01:00
42fd1b4358 Rmove use of Google Analytics
Keeps the site as "clean" as possible, also GA isn't very useful
thanks to ad-blockers :)
2017-07-17 23:28:32 +01:00
65b73bce68 Update to version 1.0.0-rc.3 2017-07-12 14:41:41 +01:00
80ce565080 Rebuild site with Google Analytics and tidy html 2017-07-10 19:26:31 +01:00
1f5b48f5f3 Add jekyll-tidy plugin for tidy HTML output 2017-07-10 19:22:47 +01:00
4f8f4d434d Add Google Analytics 2017-07-10 19:21:45 +01:00
33c90a3c1e Switch back to latest version of jekyll
We no longer have GitHub Pages render the jekyll site for us, but
rather we generate static html into the docs folder offline. Hence we
can use whatever jekyll version we want.
2017-07-10 19:21:37 +01:00
d2689d1c79 Rebuild site with compiled and digest suffixed assets 2017-07-09 21:42:49 +01:00
d3703dba89 Enable asset compression 2017-07-09 21:40:26 +01:00
cc198331c3 Use jekyll-assets for asset compilation 2017-07-09 21:30:19 +01:00
33 changed files with 2585 additions and 1393 deletions

2
.gitignore vendored
View File

@@ -1,3 +1,5 @@
_site _site
.asset-cache
.sass-cache .sass-cache
.jekyll-metadata .jekyll-metadata
docs/assets/.sprockets-manifest-*.json

17
Gemfile
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@@ -1,18 +1,6 @@
source 'https://rubygems.org' source 'https://rubygems.org'
# Hello! This is where you manage which Jekyll version is used to run. gem 'jekyll', '3.5.0'
# When you want to use a different version, change it below, save the
# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
#
# bundle exec jekyll serve
#
# This will help ensure the proper Jekyll version is running.
# Happy Jekylling!
# gem 'jekyll', '3.5.0'
# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
# uncomment the line below. To upgrade, run `bundle update github-pages`.
gem 'github-pages', group: :jekyll_plugins
group :development do group :development do
gem 'rake' gem 'rake'
@@ -21,9 +9,12 @@ end
# If you have any plugins, put them here! # If you have any plugins, put them here!
group :jekyll_plugins do group :jekyll_plugins do
gem 'jekyll-assets'
gem 'jekyll-pants' gem 'jekyll-pants'
gem 'jekyll-seo-tag' gem 'jekyll-seo-tag'
gem 'jekyll-sitemap' gem 'jekyll-sitemap'
gem 'jekyll-tidy'
gem 'uglifier' # required by 'jekyll-assets' for JS compression
end end
# Windows does not include zoneinfo files, so bundle the tzinfo-data gem # Windows does not include zoneinfo files, so bundle the tzinfo-data gem

View File

@@ -1,182 +1,65 @@
GEM GEM
remote: https://rubygems.org/ remote: https://rubygems.org/
specs: specs:
activesupport (4.2.8)
i18n (~> 0.7)
minitest (~> 5.1)
thread_safe (~> 0.3, >= 0.3.4)
tzinfo (~> 1.1)
addressable (2.5.1) addressable (2.5.1)
public_suffix (~> 2.0, >= 2.0.2) public_suffix (~> 2.0, >= 2.0.2)
ast (2.3.0) ast (2.3.0)
coffee-script (2.4.1)
coffee-script-source
execjs
coffee-script-source (1.12.2)
colorator (1.1.0) colorator (1.1.0)
ethon (0.10.1) concurrent-ruby (1.0.5)
ffi (>= 1.3.0)
execjs (2.7.0) execjs (2.7.0)
faraday (0.12.1) extras (0.3.0)
multipart-post (>= 1.2, < 3) forwardable-extended (~> 2.5)
fastimage (2.1.0)
ffi (1.9.18) ffi (1.9.18)
forwardable-extended (2.6.0) forwardable-extended (2.6.0)
gemoji (3.0.0) htmlbeautifier (1.3.1)
github-pages (141) htmlcompressor (0.3.1)
activesupport (= 4.2.8) jekyll (3.5.0)
github-pages-health-check (= 1.3.4)
jekyll (= 3.4.3)
jekyll-avatar (= 0.4.2)
jekyll-coffeescript (= 1.0.1)
jekyll-default-layout (= 0.1.4)
jekyll-feed (= 0.9.2)
jekyll-gist (= 1.4.0)
jekyll-github-metadata (= 2.4.0)
jekyll-mentions (= 1.2.0)
jekyll-optional-front-matter (= 0.1.2)
jekyll-paginate (= 1.1.0)
jekyll-readme-index (= 0.1.0)
jekyll-redirect-from (= 0.12.1)
jekyll-relative-links (= 0.4.1)
jekyll-sass-converter (= 1.5.0)
jekyll-seo-tag (= 2.2.3)
jekyll-sitemap (= 1.0.0)
jekyll-swiss (= 0.4.0)
jekyll-theme-architect (= 0.0.4)
jekyll-theme-cayman (= 0.0.4)
jekyll-theme-dinky (= 0.0.4)
jekyll-theme-hacker (= 0.0.4)
jekyll-theme-leap-day (= 0.0.4)
jekyll-theme-merlot (= 0.0.4)
jekyll-theme-midnight (= 0.0.4)
jekyll-theme-minimal (= 0.0.4)
jekyll-theme-modernist (= 0.0.4)
jekyll-theme-primer (= 0.2.1)
jekyll-theme-slate (= 0.0.4)
jekyll-theme-tactile (= 0.0.4)
jekyll-theme-time-machine (= 0.0.4)
jekyll-titles-from-headings (= 0.2.0)
jemoji (= 0.8.0)
kramdown (= 1.13.2)
liquid (= 3.0.6)
listen (= 3.0.6)
mercenary (~> 0.3)
minima (= 2.1.1)
rouge (= 1.11.1)
terminal-table (~> 1.4)
github-pages-health-check (1.3.4)
addressable (~> 2.3)
net-dns (~> 0.8)
octokit (~> 4.0)
public_suffix (~> 2.0)
typhoeus (~> 0.7)
html-pipeline (2.6.0)
activesupport (>= 2)
nokogiri (>= 1.4)
i18n (0.8.4)
jekyll (3.4.3)
addressable (~> 2.4) addressable (~> 2.4)
colorator (~> 1.0) colorator (~> 1.0)
jekyll-sass-converter (~> 1.0) jekyll-sass-converter (~> 1.0)
jekyll-watch (~> 1.1) jekyll-watch (~> 1.1)
kramdown (~> 1.3) kramdown (~> 1.3)
liquid (~> 3.0) liquid (~> 4.0)
mercenary (~> 0.3.3) mercenary (~> 0.3.3)
pathutil (~> 0.9) pathutil (~> 0.9)
rouge (~> 1.7) rouge (~> 1.7)
safe_yaml (~> 1.0) safe_yaml (~> 1.0)
jekyll-avatar (0.4.2) jekyll-assets (2.3.2)
jekyll (~> 3.0) concurrent-ruby (~> 1.0)
jekyll-coffeescript (1.0.1) extras (~> 0.2)
coffee-script (~> 2.2) fastimage (~> 2.0, >= 1.8)
jekyll-default-layout (0.1.4) jekyll (~> 3.1, >= 3.0)
jekyll (~> 3.0) pathutil (>= 0.8)
jekyll-feed (0.9.2) rack (~> 1.6)
jekyll (~> 3.3) sprockets (~> 3.3, < 3.8)
jekyll-gist (1.4.0)
octokit (~> 4.2)
jekyll-github-metadata (2.4.0)
jekyll (~> 3.1)
octokit (~> 4.0, != 4.4.0)
jekyll-mentions (1.2.0)
activesupport (~> 4.0)
html-pipeline (~> 2.3)
jekyll (~> 3.0)
jekyll-optional-front-matter (0.1.2)
jekyll (~> 3.0)
jekyll-paginate (1.1.0)
jekyll-pants (0.2.1) jekyll-pants (0.2.1)
rubypants rubypants
jekyll-readme-index (0.1.0)
jekyll (~> 3.0)
jekyll-redirect-from (0.12.1)
jekyll (~> 3.3)
jekyll-relative-links (0.4.1)
jekyll (~> 3.3)
jekyll-sass-converter (1.5.0) jekyll-sass-converter (1.5.0)
sass (~> 3.4) sass (~> 3.4)
jekyll-seo-tag (2.2.3) jekyll-seo-tag (2.2.3)
jekyll (~> 3.3) jekyll (~> 3.3)
jekyll-sitemap (1.0.0) jekyll-sitemap (1.0.0)
jekyll (~> 3.3) jekyll (~> 3.3)
jekyll-swiss (0.4.0) jekyll-tidy (0.2.2)
jekyll-theme-architect (0.0.4) htmlbeautifier
jekyll (~> 3.3) htmlcompressor
jekyll-theme-cayman (0.0.4) jekyll
jekyll (~> 3.3)
jekyll-theme-dinky (0.0.4)
jekyll (~> 3.3)
jekyll-theme-hacker (0.0.4)
jekyll (~> 3.3)
jekyll-theme-leap-day (0.0.4)
jekyll (~> 3.3)
jekyll-theme-merlot (0.0.4)
jekyll (~> 3.3)
jekyll-theme-midnight (0.0.4)
jekyll (~> 3.3)
jekyll-theme-minimal (0.0.4)
jekyll (~> 3.3)
jekyll-theme-modernist (0.0.4)
jekyll (~> 3.3)
jekyll-theme-primer (0.2.1)
jekyll (~> 3.3)
jekyll-theme-slate (0.0.4)
jekyll (~> 3.3)
jekyll-theme-tactile (0.0.4)
jekyll (~> 3.3)
jekyll-theme-time-machine (0.0.4)
jekyll (~> 3.3)
jekyll-titles-from-headings (0.2.0)
jekyll (~> 3.3)
jekyll-watch (1.5.0) jekyll-watch (1.5.0)
listen (~> 3.0, < 3.1) listen (~> 3.0, < 3.1)
jemoji (0.8.0) kramdown (1.14.0)
activesupport (~> 4.0) liquid (4.0.0)
gemoji (~> 3.0) listen (3.0.8)
html-pipeline (~> 2.2) rb-fsevent (~> 0.9, >= 0.9.4)
jekyll (>= 3.0) rb-inotify (~> 0.9, >= 0.9.7)
kramdown (1.13.2)
liquid (3.0.6)
listen (3.0.6)
rb-fsevent (>= 0.9.3)
rb-inotify (>= 0.9.7)
mercenary (0.3.6) mercenary (0.3.6)
mini_portile2 (2.2.0)
minima (2.1.1)
jekyll (~> 3.3)
minitest (5.10.2)
multipart-post (2.0.0)
net-dns (0.8.0)
nokogiri (1.8.0)
mini_portile2 (~> 2.2.0)
octokit (4.7.0)
sawyer (~> 0.8.0, >= 0.5.3)
parser (2.4.0.0) parser (2.4.0.0)
ast (~> 2.2) ast (~> 2.2)
pathutil (0.14.0) pathutil (0.14.0)
forwardable-extended (~> 2.6) forwardable-extended (~> 2.6)
powerpack (0.1.1) powerpack (0.1.1)
public_suffix (2.0.5) public_suffix (2.0.5)
rack (1.6.8)
rainbow (2.2.1) rainbow (2.2.1)
rake (12.0.0) rake (12.0.0)
rb-fsevent (0.10.2) rb-fsevent (0.10.2)
@@ -192,30 +75,28 @@ GEM
ruby-progressbar (1.8.1) ruby-progressbar (1.8.1)
rubypants (0.6.0) rubypants (0.6.0)
safe_yaml (1.0.4) safe_yaml (1.0.4)
sass (3.4.24) sass (3.4.25)
sawyer (0.8.1) sprockets (3.7.1)
addressable (>= 2.3.5, < 2.6) concurrent-ruby (~> 1.0)
faraday (~> 0.8, < 1.0) rack (> 1, < 3)
terminal-table (1.8.0) uglifier (3.2.0)
unicode-display_width (~> 1.1, >= 1.1.1) execjs (>= 0.3.0, < 3)
thread_safe (0.3.6)
typhoeus (0.8.0)
ethon (>= 0.8.0)
tzinfo (1.2.3)
thread_safe (~> 0.1)
unicode-display_width (1.3.0) unicode-display_width (1.3.0)
PLATFORMS PLATFORMS
ruby ruby
DEPENDENCIES DEPENDENCIES
github-pages jekyll (= 3.5.0)
jekyll-assets
jekyll-pants jekyll-pants
jekyll-seo-tag jekyll-seo-tag
jekyll-sitemap jekyll-sitemap
jekyll-tidy
rake rake
rubocop rubocop
tzinfo-data tzinfo-data
uglifier
BUNDLED WITH BUNDLED WITH
1.14.6 1.14.6

77
_assets/css/_base.scss Normal file
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@@ -0,0 +1,77 @@
html {
height: 100%;
}
body {
font-family: 'Open Sans', Helvetica, Arial, sans-serif;
font-size: 16px;
font-weight: 400;
line-height: 1.5;
color: #1a1a1a;
background-color: #fdfdfd;
}
h1, h2, h3, h4, h5, h6 {
font-family: 'Open Sans Condensed', Helvetica, Arial, sans-serif;
font-weight: 700;
color: #333;
}
h1 {
font-size: 2.5em;
line-height: 1.2;
}
ol ol, ul ol {
list-style-type: lower-roman;
}
ul ul ol, ul ol ol, ol ul ol, ol ol ol {
list-style-type: lower-alpha;
}
.content {
margin-top: 80px;
a {
word-break: break-word;
}
code {
background-color: rgba(27,31,35,0.05);
border-radius: 3px;
font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
font-size: 90%;
margin: 0;
padding: 0.2em;
}
}
#menu {
.pure-menu-label {
color: #999;
border: none;
padding: 0.6em 0 0.6em 0.6em;
}
.links {
font-size: 50px;
position: absolute;
bottom: 10px;
left: 0px;
right: 0px;
text-align: center;
a {
color: #555;
padding: 0;
position: relative;
text-decoration: none;
&:hover {
color: #777;
}
}
}
}

2
_assets/css/main.scss Normal file
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@@ -0,0 +1,2 @@
@import "side-menu";
@import "base";

1
_assets/js/main.js Normal file
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@@ -0,0 +1 @@
// = require ui

44
_assets/js/ui.js Normal file
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@@ -0,0 +1,44 @@
(function (window, document) {
var layout = document.getElementById('layout');
var menu = document.getElementById('menu');
var menuLink = document.getElementById('menuLink');
var content = document.getElementById('main');
function toggleClass (element, className) {
var classes = element.className.split(/\s+/);
var length = classes.length;
var i = 0;
for (; i < length; i++) {
if (classes[i] === className) {
classes.splice(i, 1);
break;
}
}
// The className is not found
if (length === classes.length) {
classes.push(className);
}
element.className = classes.join(' ');
}
function toggleAll (e) {
var active = 'active';
e.preventDefault();
toggleClass(layout, active);
toggleClass(menu, active);
toggleClass(menuLink, active);
}
menuLink.onclick = function (e) {
toggleAll(e);
};
content.onclick = function (e) {
if (menu.className.indexOf('active') !== -1) {
toggleAll(e);
}
};
}(this, this.document));

View File

@@ -3,10 +3,13 @@ description: >
An attempt to gather a sensible selection of the most common usage patterns of An attempt to gather a sensible selection of the most common usage patterns of
git into a single and concise specification. git into a single and concise specification.
author: Jim Myhrberg author: Jim Myhrberg
hostname: commonflow.org
url: https://commonflow.org url: https://commonflow.org
current_version: 1.0.0-rc.2 current_version: 1.0.0-rc.4
versions: versions:
- 1.0.0-rc.4
- 1.0.0-rc.3
- 1.0.0-rc.2 - 1.0.0-rc.2
- 1.0.0-rc.1 - 1.0.0-rc.1
@@ -30,10 +33,12 @@ update:
document: common-flow.md document: common-flow.md
diagram: common-flow.svg diagram: common-flow.svg
gems: plugins:
- jekyll-assets
- jekyll-pants - jekyll-pants
- jekyll-sitemap - jekyll-sitemap
- jekyll-seo-tag - jekyll-seo-tag
- jekyll-tidy
defaults: defaults:
- -
@@ -42,6 +47,12 @@ defaults:
values: values:
layout: "default" layout: "default"
assets:
digest: true
compress:
css: true
js: true
markdown: kramdown markdown: kramdown
kramdown: kramdown:
input: Pantsdown # disable smart quotes typographic symbols input: Pantsdown # disable smart quotes typographic symbols

View File

@@ -6,7 +6,8 @@
<meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="viewport" content="width=device-width, initial-scale=1">
<link href='https://fonts.googleapis.com/css?family=Open+Sans+Condensed:700,300|Open+Sans:400italic,700italic,400,700' rel='stylesheet' type='text/css'> <link href='https://fonts.googleapis.com/css?family=Open+Sans+Condensed:700,300|Open+Sans:400italic,700italic,400,700' rel='stylesheet' type='text/css'>
<link rel="stylesheet" href="https://unpkg.com/purecss@1.0.0/build/pure-min.css" integrity="sha384-nn4HPE8lTHyVtfCBi5yW9d20FjT8BJwUXyWZT9InLYax14RDjBj46LmSztkmNP9w" crossorigin="anonymous"> <link rel="stylesheet" href="https://unpkg.com/purecss@1.0.0/build/pure-min.css" integrity="sha384-nn4HPE8lTHyVtfCBi5yW9d20FjT8BJwUXyWZT9InLYax14RDjBj46LmSztkmNP9w" crossorigin="anonymous">
<link rel="stylesheet" href="/css/main.css"> <link rel="stylesheet" href="https:////maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
{% css main %}
{% seo %} {% seo %}
</head> </head>
<body> <body>
@@ -35,6 +36,11 @@
{% endfor %} {% endfor %}
</ul> </ul>
</div> </div>
<div class="links">
<a href="https://github.com/jimeh/common-flow">
<i class="fa fa-github" aria-hidden="true"></i>
</a>
</div>
</div> </div>
<div id="main"> <div id="main">
@@ -43,6 +49,6 @@
</div> </div>
</div> </div>
</div> </div>
<script src="/js/ui.js"></script> {% js main %}
</body> </body>
</html> </html>

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@@ -1,54 +0,0 @@
html {
height: 100%;
}
body {
font-family: 'Open Sans', Helvetica, Arial, sans-serif;
font-size: 16px;
font-weight: 400;
line-height: 1.5;
color: #1a1a1a;
background-color: #fdfdfd;
}
h1, h2, h3, h4, h5, h6 {
font-family: 'Open Sans Condensed', Helvetica, Arial, sans-serif;
font-weight: 700;
color: #333;
}
h1 {
font-size: 2.5em;
line-height: 1.2;
}
ol ol, ul ol {
list-style-type: lower-roman;
}
ul ul ol, ul ol ol, ol ul ol, ol ol ol {
list-style-type: lower-alpha;
}
.content {
margin-top: 80px;
}
.content a {
word-break: break-word;
}
.content code {
background-color: rgba(27,31,35,0.05);
border-radius: 3px;
font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
font-size: 90%;
margin: 0;
padding: 0.2em;
}
#menu .pure-menu-label {
color: #999;
border: none;
padding: 0.6em 0 0.6em 0.6em;
}

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@@ -1,9 +0,0 @@
---
layout: none
---
// Import partials from `sass_dir` (defaults to `_sass`)
@import
"side-menu",
"base"
;

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@@ -6,21 +6,22 @@
<meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="viewport" content="width=device-width, initial-scale=1">
<link href='https://fonts.googleapis.com/css?family=Open+Sans+Condensed:700,300|Open+Sans:400italic,700italic,400,700' rel='stylesheet' type='text/css'> <link href='https://fonts.googleapis.com/css?family=Open+Sans+Condensed:700,300|Open+Sans:400italic,700italic,400,700' rel='stylesheet' type='text/css'>
<link rel="stylesheet" href="https://unpkg.com/purecss@1.0.0/build/pure-min.css" integrity="sha384-nn4HPE8lTHyVtfCBi5yW9d20FjT8BJwUXyWZT9InLYax14RDjBj46LmSztkmNP9w" crossorigin="anonymous"> <link rel="stylesheet" href="https://unpkg.com/purecss@1.0.0/build/pure-min.css" integrity="sha384-nn4HPE8lTHyVtfCBi5yW9d20FjT8BJwUXyWZT9InLYax14RDjBj46LmSztkmNP9w" crossorigin="anonymous">
<link rel="stylesheet" href="/css/main.css"> <link rel="stylesheet" href="https:////maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<link type="text/css" rel="stylesheet" href="/assets/main-16db41e8ef2362fe9967bb0bee92e459cf76f2a846e85c96322243077a88c301.css">
<!-- Begin Jekyll SEO tag v2.2.3 --> <!-- Begin Jekyll SEO tag v2.2.3 -->
<title>404 Page Not Found | Git Common Flow</title> <title>404 Page Not Found | Git Common Flow</title>
<meta property="og:title" content="404 Page Not Found" /> <meta property="og:title" content="404 Page Not Found" />
<meta name="author" content="Jim Myhrberg" /> <meta name="author" content="Jim Myhrberg" />
<meta property="og:locale" content="en_US" /> <meta property="og:locale" content="en_US" />
<meta name="description" content="An attempt to gather a sensible selection of the most common usage patterns of git into a single and concise specification." /> <meta name="description" content="An attempt to gather a sensible selection of the most common usage patterns of git into a single and concise specification." />
<meta property="og:description" content="An attempt to gather a sensible selection of the most common usage patterns of git into a single and concise specification." /> <meta property="og:description" content="An attempt to gather a sensible selection of the most common usage patterns of git into a single and concise specification." />
<link rel="canonical" href="https://commonflow.org/404.html" /> <link rel="canonical" href="https://commonflow.org/404.html" />
<meta property="og:url" content="https://commonflow.org/404.html" /> <meta property="og:url" content="https://commonflow.org/404.html" />
<meta property="og:site_name" content="Git Common Flow" /> <meta property="og:site_name" content="Git Common Flow" />
<script type="application/ld+json"> <script type="application/ld+json">
{"@context":"http://schema.org","@type":"WebPage","headline":"404 Page Not Found","author":{"@type":"Person","name":"Jim Myhrberg"},"description":"An attempt to gather a sensible selection of the most common usage patterns of git into a single and concise specification.","url":"https://commonflow.org/404.html"}</script> {"@context":"http://schema.org","@type":"WebPage","headline":"404 Page Not Found","author":{"@type":"Person","name":"Jim Myhrberg"},"description":"An attempt to gather a sensible selection of the most common usage patterns of git into a single and concise specification.","url":"https://commonflow.org/404.html"}
<!-- End Jekyll SEO tag --> </script>
<!-- End Jekyll SEO tag -->
</head> </head>
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<h1 id="git-common-flow-100-rc2">Git Common-Flow 1.0.0-rc.2</h1> <h1 id="git-common-flow-100-rc4">Git Common-Flow 1.0.0-rc.4</h1>
<p><img src="/spec/1.0.0-rc.4.svg" width="100%" /></p>
<p><img src="/spec/1.0.0-rc.2.svg" width="100%" /></p> <h2 id="summary">Summary</h2>
<p>Common-Flow is an attempt to gather a sensible selection of the most common
<h2 id="summary">Summary</h2> usage patterns of git into a single and concise specification. It is based on
the <a href="http://scottchacon.com/2011/08/31/github-flow.html">original variant</a>
<p>Common-Flow is an attempt to gather a sensible selection of the most common of <a href="https://guides.github.com/introduction/flow/">GitHub Flow</a>, while taking
usage patterns of git into a single and concise specification. It is based on into account how a lot of open source projects use git.</p>
the <a href="http://scottchacon.com/2011/08/31/github-flow.html">original variant</a> <p>In short, Common-Flow is essentially GitHub Flow with the addition of versioned
of <a href="https://guides.github.com/introduction/flow/">GitHub Flow</a>, while taking releases, optional release branches, and without the requirement to deploy to
into account how a lot of open source projects use git.</p> production all the time.</p>
<h2 id="terminology">Terminology</h2>
<p>TL;DR: Common-Flow is basically GitHub Flow with the addition of versioned <ul>
releases, maintenance releases for old versions, and without the requirement to <li><strong>Master Branch</strong> - Must be named "master", must always have passing tests,
deploy to production all the time.</p> and is not guaranteed to always work in production environments.</li>
<li><strong>Change Branches</strong> - Any branch that introduces changes like a new feature, a
<h2 id="terminology">Terminology</h2> bug fix, etc.</li>
<li><strong>Source Branch</strong> - The branch that a change branch was created from. New
<ul> changes in the source branch should be incorporated into the change branch via
<li><strong>Master Branch</strong> - Must always have passing tests, is considered bleeding rebasing.</li>
edge, and must be named <code class="highlighter-rouge">master</code>.</li> <li><strong>Merge Target</strong> - A branch that is the intended merge target for a change
<li><strong>Change Branches</strong> - Any branch that introduces changes like a new feature, a branch. Typically the merge target branch will be the same as the source
bug fix, etc.</li> branch.</li>
<li><strong>Source Branch</strong> - The branch that a change branch was created from. New <li><strong>Pull Request</strong> - A means of requesting that a change branch is merged in to
changes in the source branch should be incorporated into the change branch via its merge target, allowing others to review, discuss and approve the changes.</li>
rebasing.</li> <li><strong>Release</strong> - May be considered safe to use in production environments. Is
<li><strong>Merge Target</strong> - A branch that is the intended merge target for a change effectively just a git tag named after the version of the release.</li>
branch. Typically the merge target branch will be the same as the source <li><strong>Release Branches</strong> - Used both for short-term preparations of a release, and
branch.</li> also for long-term maintenance of older version.</li>
<li><strong>Pull Request</strong> - A means of requesting that a change branch is merged in to </ul>
its merge target, allowing others to review, discuss and approve the changes.</li> <h2 id="git-common-flow-specification-common-flow">Git Common-Flow Specification (Common-Flow)</h2>
<li><strong>Release</strong> - Consists of a version bump commit, and a git tag named according <p>The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
to the new version string placed on said commit.</li> "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
<li><strong>Release Branches</strong> - Used both for short-term preparations of a release, and interpreted as described in <a href="https://tools.ietf.org/html/rfc2119">RFC 2119</a>.</p>
also for long-term maintenance of older version.</li> <ol>
</ul> <li>TL;DR
<ol>
<h2 id="git-common-flow-specification-common-flow">Git Common-Flow Specification (Common-Flow)</h2> <li>Don't break the master branch.</li>
<li>A release is a git tag.</li>
<p>The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", </ol>
"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be </li>
interpreted as described in <a href="https://tools.ietf.org/html/rfc2119">RFC 2119</a>.</p> <li>The Master Branch
<ol>
<ol> <li>A branch named "master" MUST exist and it MUST be referred to as the
<li>The Master Branch "master branch".</li>
<ol> <li>The master branch MUST always be in a non-broken state with its test
<li>A branch named "master" MUST exist and it MUST be referred to as the suite passing.</li>
"master branch".</li> <li>The master branch IS NOT guaranteed to always work in production
<li>The master branch MUST be considered bleeding edge.</li> environments. Despite test suites passing it may at times contain
<li>The master branch MUST always be in a non-broken state with its test unfinished work. Only releases may be considered safe for production use.</li>
suite passing.</li> <li>The master branch SHOULD always be in a "as near as possibly ready for
<li>The master branch SHOULD always be in a "as near as possibly ready for release/production" state to reduce any friction with creating a new
release/production" state to reduce any friction with creating a new release.</li>
release.</li> </ol>
</ol> </li>
</li> <li>Change Branches
<li>Change Branches <ol>
<ol> <li>Each change (feature, bugfix, etc.) MUST be performed on separate
<li>Each change (feature, bugfix, etc.) MUST be performed on separate branches that SHOULD be referred to as "change branches".</li>
branches that SHOULD be referred to as "change branches". All change <li>All change branches MUST have descriptive names.</li>
branches MUST have descriptive names. It is RECOMMENDED that you commit <li>It is RECOMMENDED that you commit often locally, and that you try and
often locally, and you SHOULD regularly push your work to the same named keep the commits reasonably structured to avoid a messy and confusing git
branch on the remote server.</li> history.</li>
<li>You MUST create separate change branches for each distinctly different <li>You SHOULD regularly push your work to the same named branch on the
change. You MUST NOT include multiple unrelated changes into a single remote server.</li>
change branch.</li> <li>You SHOULD create separate change branches for each distinctly different
<li>When a change branch is created, the branch that it is created from change. You SHOULD NOT include multiple unrelated changes into a single
SHOULD be referred to as the "source branch". Each change branch also change branch.</li>
needs a designated "merge target" branch, typically this will be the same <li>When a change branch is created, the branch that it is created from
as the source branch.</li> SHOULD be referred to as the "source branch". Each change branch also
<li>Change branches MUST be regularly updated with any changes from their needs a designated "merge target" branch, typically this will be the same
source branch. This MUST be done by rebasing the change branch on top of as the source branch.</li>
the source branch.</li> <li>Change branches MUST be regularly updated with any changes from their
<li>After rebasing a change branch on top of its source branch you MUST push source branch. This MUST be done by rebasing the change branch on top of
the change branch to the remote server. This will require you to do a the source branch.</li>
force push, and you SHOULD use the "--force-with-lease" git push option.</li> <li>After updating a change branch from its source branch you MUST push the
</ol> change branch to the remote server. Due to the nature of rebasing, you
</li> will be required to do a force push, and you MUST use the
<li>Pull Requests "--force-with-lease" git push option when doing so instead of the regular
<ol> "--force".</li>
<li>To merge a change branch into its merge target, you MUST open a "pull <li>If there is a truly valid technical reason to not use rebase when
request" (or equivalent) so others can review and approve your changes.</li> updating change branches, then you can update change branches via merge
<li>A pull request MUST only be merged when the change branch is up-to-date instead of rebase. The decision to use merge MUST only be taken after all
with its source branch, the test suite is passing, and you and others are possible options to use rebase have been tried and failed. People not
happy with the change. This is especially important if the merge target understanding how to use rebase is NOT a valid reason to use merge. If
is the master branch.</li> you do decide to use merge instead of rebase, you MUST NOT use a mixture
<li>To get feedback, help, or generally just discuss a change branch with of both methods, pick one and stick to it.</li>
others, the RECOMMENDED way to do so is by creating a pull request and </ol>
discuss the changes with others there.</li> </li>
</ol> <li>Pull Requests
</li> <ol>
<li>Versioning <li>To merge a change branch into its merge target, you MUST open a "pull
<ol> request" (or equivalent).</li>
<li>The project MUST have its version hard-coded somewhere in the <li>The purpose of a pull request is to allow others to review your changes
code-base. It is RECOMMENDED that this is done in a file called "VERSION" and give feedback. You can then fix any issues, complaints, and more that
located in the root of the project.</li> might arise, and then let people review again.</li>
<li>If you are using a "VERSION" file in the root of the project, this MUST <li>Before creating a pull request, it is RECOMMENDED that you consider the
only contain the exact version string.</li> state of your change branch's commit history. If it is messy and
<li>The version string SHOULD follow the Semantic Versioning confusing, it might be a good idea to rebase your branch with "git rebase
(<a href="http://semver.org/">http://semver.org/</a>) format. Use of Semantic Versioning is OPTIONAL, -i" to present a cleaner and easier to follow commit history for your
but the version string MUST NOT have a "v" prefix. For example "v2.11.4" reviewers.</li>
is bad, and "2.11.4" is good.</li> <li>A pull request MUST only be merged when the change branch is up-to-date
</ol> with its source branch, the test suite is passing, and you and others are
</li> happy with the change. This is especially important if the merge target
<li>Releases is the master branch.</li>
<ol> <li>To get feedback, help, or generally just discuss a change branch with
<li>To create a new release, you MUST create a "version bump" commit which others, the RECOMMENDED way to do so is by creating a pull request and
changes the hard-coded version string of the project. The version bump discuss the changes with others there.</li>
commit MUST have a git tag created on it and named as the exact version </ol>
string.</li> </li>
<li>If you are not using a release branch, then the version bump commit MUST <li>Versioning
be created directly on the master branch.</li> <ol>
<li>The version bump commit MUST have a commit message title of "Bump version <li>A "version string" is a typically mostly numeric string that identifies a
to VERSION". For example, if the new version string is "2.11.4", the specific version of a project. The version string itself MUST NOT have a
first line of the commit message MUST read: "Bump version to 2.11.4"</li> "v" prefix, but the version string can be displayed with a "v" prefix to
<li>The release tag on the version bump commit MUST be named exactly the same indicate it is a version that is being referred to.</li>
as the version string. The tag name can OPTIONALLY be prefixed with <li>The source of truth for a project's version MUST be a git tag with a name
"v". For example the tag name can be either "2.11.4" or "v2.11.4". You based on the version string. This kind of tag MUST be referred to as a
MUST not use a mix of "v" prefixed and non-prefixed tags. Pick one form "release tag".</li>
and stick to it.</li> <li>It is OPTIONAL, but RECOMMENDED to also keep the version string
<li>It is RECOMMENDED that release tags are lightweight tags, but you can hard-coded somewhere in the project code-base.</li>
OPTIONALLY use annotated tags if you want to include changelog <li>If you hard-code the version string into the code-base, it is RECOMMENDED
information in the release tag itself.</li> that you do so in a file called "VERSION" located in the root of the
<li>If you use annotated release tags, the first line of the annotation MUST project. But be mindful of the conventions of your programming language
read "Release VERSION". For example for version "2.11.4" the first line and community when choosing if, where and how to hard-code the version
of the tag annotation would read "Release 2.11.4". The second line must string.</li>
be blank, and the changelog MUST start on the third line.</li> <li>If you are using a "VERSION" file in the root of the project, this file
</ol> MUST only contain the exact version string, meaning it MUST NOT have a
</li> "v" prefix. For example "v2.11.4" is bad, and "2.11.4" is good.</li>
<li>Release Branches <li>It is OPTIONAL, but RECOMMENDED that that the version string follows
<ol> Semantic Versioning (<a href="http://semver.org/">http://semver.org/</a>).</li>
<li>Any branch that has a name starting with "release-" SHOULD be referred to </ol>
as a "release branch".</li> </li>
<li>Use of release branches is OPTIONAL.</li> <li>Releases
<li>Changes in a release branch SHOULD typically come from work being <ol>
done against the master branch. Meaning changes SHOULD only trickle <li>To create a new release, you MUST create a git tag named as the exact
downwards from the master branch. If a change needs to trickle back up version string of the release. This kind of tag MUST be referred to as a
into the master branch, that work should have happened against the master "release tag".</li>
branch in the first place. One exception to this is version bump commits.</li> <li>The release tag name can OPTIONALLY be prefixed with "v". For example the
<li>There are two types of release branches; short-term, and long-term.</li> tag name can be either "2.11.4" or "v2.11.4". It is however RECOMMENDED
<li>Short-Term Release Branches that you do not use a "v" prefix. You MUST NOT use a mixture of "v"
<ol> prefixed and non-prefixed tags. Pick one form and stick to it.</li>
<li>Used for creating a specific versioned release.</li> <li>If the version string is hard-coded into the code-base, you MUST create a
<li>A short-term release branch is RECOMMENDED if there is a lengthy "version bump" commit which changes the hard-coded version string of the
pre-release verification process to avoid a code freeze on the master project.</li>
branch.</li> <li>When using version bump commits, the release tag MUST be placed on the
<li>MUST have a name of "release-VERSION". For example for version version bump commit.</li>
"2.11.4" the release branch name MUST be "release-2.11.4".</li> <li>If you are not using a release branch, then the release tag, and if
<li>When using a short-term release branch, the version bump commit and relevant the version bump commit, MUST be created directly on the master
release tag MUST be made directly on the release branch itself.</li> branch.</li>
<li>Only very minor changes should be performed on a short-term release <li>The version bump commit SHOULD have a commit message title of "Bump
branch directly. Any larger changes SHOULD be done in the master version to VERSION". For example, if the new version string is "2.11.4",
branch, and SHOULD be pulled into the release branch by rebasing it the first line of the commit message SHOULD read: "Bump version to
on top of the master branch the same way a change branch pulls in 2.11.4"</li>
updates from its source branch.</li> <li>It is RECOMMENDED that release tags are lightweight tags, but you can
<li>After the version bump commit and release tag have been created, the OPTIONALLY use annotated tags if you want to include changelog
release branch MUST be merged back into its source branch and then information in the release tag itself.</li>
deleted. Typically the source branch will be the master branch.</li> <li>If you use annotated release tags, the first line of the annotation
</ol> SHOULD read "Release VERSION". For example for version "2.11.4" the first
</li> line of the tag annotation SHOULD read "Release 2.11.4". The second line
<li>Long-Term Release Branches MUST be blank, and the changelog MUST start on the third line.</li>
<ol> </ol>
<li>Used for work on versions which are not currently part of the master </li>
branch. Typically this is useful when you need to create a new <li>Short-Term Release Branches
maintenance release for a older version.</li> <ol>
<li>The branch name MUST have a non-specific version number. For example <li>Any branch that has a name starting with "release-" SHOULD be referred to
a long-term release branch for creating new 2.9.x releases would be as a "release branch".</li>
named "release-2.9".</li> <li>Any release branch which has a name ending with a specific version
<li>To create a new release from a long-term release branch, you MUST string, MUST be referred to as a "short-term release branch".</li>
create a version bump commit and release tag directly on the release <li>Use of short-term release branches are OPTIONAL, and intended to be used
branch.</li> to create a specific versioned release.</li>
<li>A long-term release branch MUST be created from the relevant release <li>A short-term release branch is RECOMMENDED if there is a lengthy
tag. For example if the master branch is on version 2.11.4 and there pre-release verification process to avoid a code freeze on the master
is a security fix for all 2.9.x releases, the latest of which is branch.</li>
"2.9.7". Create a new branch called "release-2.9" off of the "2.9.7" <li>Short-term release branches MUST have a name of "release-VERSION". For
release tag. The security fix release will then end up being version example for version "2.11.4" the release branch name MUST be
"2.9.8".</li> "release-2.11.4".</li>
</ol> <li>When using a short-term release branch to create a release, the release
</li> tag and if used, version bump commit, MUST be placed directly on the
</ol> short-term release branch itself.</li>
</li> <li>Only very minor changes should be performed on a short-term release
<li>Bug Fixes &amp; Rollback branch directly. Any larger changes SHOULD be done in the master branch,
<ol> and SHOULD be pulled into the release branch by rebasing it on top of the
<li>You MUST NOT under any circumstances force push to the master branch.</li> master branch the same way a change branch pulls in updates from its
<li>If a change branch which has been merged into the master branch is found source branch.</li>
to have a bug in it, the bug fix work MUST be done as a new separate <li>After a release tag has been created, the release branch MUST be merged
change branch and MUST follow the same workflow as any other change back into its source branch and then deleted. Typically the source branch
branch.</li> will be the master branch.</li>
<li>If a change branch is wrongfully merged into master, or for any other </ol>
reason the merge must be undone, you MUST undo the merge by reverting the </li>
merge commit itself. Effectively creating a new commit that reverses all <li>Long-term Release Branches
the relevant changes.</li> <ol>
</ol> <li>Any release branch which has a name ending with a non-specific version
</li> string, MUST be referred to as a "long-term release branch". For example
<li>Git Best Practices "release-2.11" is a long-term release branch, while "release-2.11.4" is a
<ol> short-term release branch.</li>
<li>All commit messages SHOULD follow the Commit Guidelines and format from <li>Use of long-term release branches are OPTIONAL, and intended for work on
the official git versions which are not currently part of the master branch. Typically
documentation: this is useful when you need to create a new maintenance release for a
<a href="https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project">https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project</a></li> older version.</li>
<li>You SHOULD never blindly commit all changes with "git commit -a". It is <li>A long-term release branch MUST have a name with a non-specific version
RECOMMENDED you use "git add -i" to add individual changes to the staging number. For example a long-term release branch for creating new 2.9.x
area so you are fully aware of what you are committing.</li> releases MUST be named "release-2.9".</li>
<li>You SHOULD always use "--force-with-lease" when doing a force push. The <li>Long-term release branches for maintenance releases of older versions
regular "--force" option is dangerous and destructive. More MUST be created from the relevant release tag. For example if the master
information: branch is on version 2.11.4 and there is a security fix for all 2.9.x
<a href="https://developer.atlassian.com/blog/2015/04/force-with-lease/">https://developer.atlassian.com/blog/2015/04/force-with-lease/</a></li> releases, the latest of which is "2.9.7". Create a new branch called
<li>You SHOULD understand and be comfortable with "release-2.9" off of the "2.9.7" release tag. The security fix release
rebasing: <a href="https://git-scm.com/book/en/v2/Git-Branching-Rebasing">https://git-scm.com/book/en/v2/Git-Branching-Rebasing</a></li> will then end up being version "2.9.8".</li>
<li>It is RECOMMENDED that you always do "git pull --rebase" instead of "git <li>To create a new release from a long-term release branch, you MUST follow
pull" to avoid unnecessary merge commits. You can make this the default the same process as a release from the master branch, except the
behavior of "git pull" with "git config --global pull.rebase true".</li> long-term release branch takes the place of the master branch.</li>
<li>It is RECOMMENDED that all branches be merged using "git merge --no-ff". <li>A long-term release branch should be treated with the same respect as the
This makes sure the reference to the original branch is kept in the master branch. It is effectively the master branch for the release series
commits, allows one to revert a merge by reverting a single merge commit, in question. Meaning it MUST always be in a non-broken state, MUST NOT be
and creates a merge commit to mark the integration of the branch with force pushed to, etc.</li>
master.</li> </ol>
</ol> </li>
</li> <li>Bug Fixes &amp; Rollback
</ol> <ol>
<li>You MUST NOT under any circumstances force push to the master branch or
<h2 id="about">About</h2> to long-term release branches.</li>
<li>If a change branch which has been merged into the master branch is found
<p>The Git Common-Flow specification is authored to have a bug in it, the bug fix work MUST be done as a new separate
by <a href="http://jimeh.me">Jim Myhrberg</a>.</p> change branch and MUST follow the same workflow as any other change
branch.</li>
<p>If you'd like to leave feedback, <li>If a change branch is wrongfully merged into master, or for any other
please <a href="https://github.com/jimeh/common-flow/issues">open an issue on GitHub</a>.</p> reason the merge must be undone, you MUST undo the merge by reverting the
merge commit itself. Effectively creating a new commit that reverses all
<h2 id="license">License</h2> the relevant changes.</li>
</ol>
<p><a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons - CC BY 3.0</a></p> </li>
<li>Git Best Practices
<ol>
<li>All commit messages SHOULD follow the Commit Guidelines and format from
the official git
documentation:
<a href="https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines">https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines</a></li>
<li>You SHOULD never blindly commit all changes with "git commit -a". It is
RECOMMENDED you use "git add -i" or "git add -p" to add individual
changes to the staging area so you are fully aware of what you are
committing.</li>
<li>You SHOULD always use "--force-with-lease" when doing a force push. The
regular "--force" option is dangerous and destructive. More
information:
<a href="https://developer.atlassian.com/blog/2015/04/force-with-lease/">https://developer.atlassian.com/blog/2015/04/force-with-lease/</a></li>
<li>You SHOULD understand and be comfortable with
rebasing: <a href="https://git-scm.com/book/en/v2/Git-Branching-Rebasing">https://git-scm.com/book/en/v2/Git-Branching-Rebasing</a></li>
<li>It is RECOMMENDED that you always do "git pull --rebase" instead of "git
pull" to avoid unnecessary merge commits. You can make this the default
behavior of "git pull" with "git config --global pull.rebase true".</li>
<li>It is RECOMMENDED that all branches be merged using "git merge --no-ff".
This makes sure the reference to the original branch is kept in the
commits, allows one to revert a merge by reverting a single merge commit,
and creates a merge commit to mark the integration of the branch with
master.</li>
</ol>
</li>
</ol>
<h2 id="faq">FAQ</h2>
<h3 id="why-use-common-flow-instead-of-git-flow-and-how-does-it-differ">Why use Common-Flow instead of Git Flow, and how does it differ?</h3>
<p>Common-Flow tries to be a lot less complicated than Git Flow by having fewer
types of branches, and simpler rules. Normal day to day development doesn't
really change much:</p>
<ul>
<li>You create change branches instead of feature branches, without the need of a
"feature/" or "change/" prefix in the branch name.</li>
<li>Change branches are typically created off of and merged back into "master"
instead of "develop".</li>
<li>Creating a release is done by simply creating a git tag, typically on the
master branch.</li>
</ul>
<p>In detail, the main differences between Git Flow and Common-Flow are:</p>
<ul>
<li>There is no "develop" branch, there is only a "master" branch which contains
the latest work. In Git Flow the master branch effectively ends up just being
a pointer to the latest release, despite the fact that Git Flow includes
release tags too. In Common-Flow you just look at the tags to find the latest
release.</li>
<li>There are no "feature" or "hotfix" branches, there's only "change"
branches. Any branch that is not master and introduces changes is a change
branch. Change branches also don't have a enforced naming convention, they
just have to have a "descriptive name". This makes things simpler and allows
more flexibility.</li>
<li>Release branches are available, but optional. Instead of enforcing the use of
release branches like Git Flow, Common-Flow only recommends the use of release
branches when it makes things easier. If creating a new release by tagging
"master" works for you, great, do that.</li>
</ul>
<h3 id="why-use-common-flow-instead-of-github-flow-and-how-does-it-differ">Why use Common-Flow instead of GitHub Flow, and how does it differ?</h3>
<p>Common-Flow is essentially GitHub Flow with the addition of a "Release" concept
that uses tags. It also attempts to define how certain common tasks are done,
like updating change/feature branches from their source branches for
example. This is to help end arguments about how such things are done.</p>
<p>If a deployment/release for you is just getting the latest code in the master
branch out, without caring about bumping version numbers or anything, then
GitHub Flow is a good fit for you, and you probably don't need the extras of
Common-Flow.</p>
<p>However if your deployments/releases have specific version numbers, then
Common-Flow gives you a simple set of rules of how to create and manage
releases, on top of what GitHub Flow already does.</p>
<h3 id="what-does-descriptive-name-mean-for-change-branches">What does "descriptive name" mean for change branches?</h3>
<p>It means what it sounds like. The name should be descriptive, as in by just
reading the name of the branch you should understand what the branch's purpose
is and what it does. Here's a few examples:</p>
<ul>
<li>add-2fa-support</li>
<li>fix-login-issue</li>
<li>remove-sort-by-middle-name-functionality</li>
<li>update-font-awesome</li>
<li>change-search-behavior</li>
<li>tweak-footer-style</li>
</ul>
<p>Notice how none of these have any prefixes like "feature/" or "hotfix/", they're
not needed when branch names are properly descriptive. However there's nothing
to say you can't use such prefixes if you want. That also means that you can add
ticket number prefixes if your team/org has that as part of it's process.</p>
<h3 id="how-do-we-release-an-emergency-hotfix-when-the-master-branch-is-broken">How do we release an emergency hotfix when the master branch is broken?</h3>
<p>This should ideally never happen, however if it does you can do one of the
following:</p>
<ul>
<li>Review why the master branch is broken and revert the changes that caused the
issues. Then apply the hotfix and release.</li>
<li>Or use a short-term release branch created from the latest release tag instead
of the master branch. Apply the hotfix to the release branch, create a release
tag on the release branch, and then merge it back into master.</li>
</ul>
<p>In this situation, it is recommended you try to revert the offending changes
that's preventing a new release from master. But if that proves to be a
complicated task and you're short on time, a short-term release branch gives you
a instant fix to the situation at hand, and let's you resolve the issues with
the master branch when you have more time on your hands.</p>
<h2 id="about">About</h2>
<p>The Git Common-Flow specification is authored
by <a href="http://jimeh.me">Jim Myhrberg</a>.</p>
<p>If you'd like to leave feedback,
please <a href="https://github.com/jimeh/common-flow/issues">open an issue on GitHub</a>.</p>
<h2 id="license">License</h2>
<p><a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons - CC BY 3.0</a></p>
</div> </div>
</div> </div>
</div> </div>
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<h1 id="git-common-flow-100-rc1">Git Common-Flow 1.0.0-rc.1</h1> <h1 id="git-common-flow-100-rc1">Git Common-Flow 1.0.0-rc.1</h1>
<p><img src="/spec/1.0.0-rc.1.svg" width="100%" /></p>
<p><img src="/spec/1.0.0-rc.1.svg" width="100%" /></p> <h2 id="summary">Summary</h2>
<p>Common-Flow is an attempt to gather a sensible selection of the most common
<h2 id="summary">Summary</h2> usage patterns of git into a single and concise specification. It is based on
the <a href="http://scottchacon.com/2011/08/31/github-flow.html">original variant</a>
<p>Common-Flow is an attempt to gather a sensible selection of the most common of <a href="https://guides.github.com/introduction/flow/">GitHub Flow</a>, while taking
usage patterns of git into a single and concise specification. It is based on into account how a lot of open source projects use git.</p>
the <a href="http://scottchacon.com/2011/08/31/github-flow.html">original variant</a> <p>TL;DR: Common-Flow is basically GitHub Flow with the addition of versioned
of <a href="https://guides.github.com/introduction/flow/">GitHub Flow</a>, while taking releases, maintenance releases for old versions, and without the requirement to
into account how a lot of open source projects use git.</p> deploy to production all the time.</p>
<h2 id="terminology">Terminology</h2>
<p>TL;DR: Common-Flow is basically GitHub Flow with the addition of versioned <ul>
releases, maintenance releases for old versions, and without the requirement to <li><strong>Master Branch</strong> - Must always have passing tests, is considered bleeding
deploy to production all the time.</p> edge, and must be named <code class="highlighter-rouge">master</code>.</li>
<li><strong>Change Branches</strong> - Any branch that introduces changes like a new feature, a
<h2 id="terminology">Terminology</h2> bug fix, etc.</li>
<li><strong>Source Branch</strong> - The branch that a change branch was created from. New
<ul> changes in the source branch should be incorporated into the change branch via
<li><strong>Master Branch</strong> - Must always have passing tests, is considered bleeding rebasing.</li>
edge, and must be named <code class="highlighter-rouge">master</code>.</li> <li><strong>Merge Target</strong> - A branch that is the intended merge target for a change
<li><strong>Change Branches</strong> - Any branch that introduces changes like a new feature, a branch. Typically the merge target branch will be the same as the source
bug fix, etc.</li> branch.</li>
<li><strong>Source Branch</strong> - The branch that a change branch was created from. New <li><strong>Maintenance Branches</strong> - Used for maintaining old versions and releasing
changes in the source branch should be incorporated into the change branch via PATCH updates when the master branch has moved on. Should follow a
rebasing.</li> <code class="highlighter-rouge">stable-X.Y</code> naming pattern, where <code class="highlighter-rouge">X</code> is MAJOR version and <code class="highlighter-rouge">Y</code> is MINOR
<li><strong>Merge Target</strong> - A branch that is the intended merge target for a change version.</li>
branch. Typically the merge target branch will be the same as the source <li><strong>Pull Request</strong> - A means of requesting that a change branch is merged in to
branch.</li> its merge target, allowing others to review, discuss and approve the changes.</li>
<li><strong>Maintenance Branches</strong> - Used for maintaining old versions and releasing <li><strong>Release</strong> - Consists of a version bump commit directly on the master branch,
PATCH updates when the master branch has moved on. Should follow a and a git tag named according to the new version string placed on said commit.</li>
<code class="highlighter-rouge">stable-X.Y</code> naming pattern, where <code class="highlighter-rouge">X</code> is MAJOR version and <code class="highlighter-rouge">Y</code> is MINOR <li><strong>Maintenance Release</strong> - Just like a regular release, except the version bump
version.</li> commit and release tag are on a maintenance branch instead of the master
<li><strong>Pull Request</strong> - A means of requesting that a change branch is merged in to branch.</li>
its merge target, allowing others to review, discuss and approve the changes.</li> </ul>
<li><strong>Release</strong> - Consists of a version bump commit directly on the master branch, <h2 id="git-common-flow-specification-common-flow">Git Common-Flow Specification (Common-Flow)</h2>
and a git tag named according to the new version string placed on said commit.</li> <p>The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
<li><strong>Maintenance Release</strong> - Just like a regular release, except the version bump "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
commit and release tag are on a maintenance branch instead of the master interpreted as described in <a href="https://tools.ietf.org/html/rfc2119">RFC 2119</a>.</p>
branch.</li> <ol>
</ul> <li>The Master Branch
<ol>
<h2 id="git-common-flow-specification-common-flow">Git Common-Flow Specification (Common-Flow)</h2> <li>A branch named "master" MUST exist and it MUST be referred to as the
"master branch".</li>
<p>The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", <li>The master branch MUST be considered bleeding edge.</li>
"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be <li>The master branch MUST always be in a non-broken state with its test
interpreted as described in <a href="https://tools.ietf.org/html/rfc2119">RFC 2119</a>.</p> suite passing.</li>
<li>The master branch SHOULD always be in a "as near as possible ready for
<ol> release/production" state to reduce the friction of creating a new
<li>The Master Branch release.</li>
<ol> </ol>
<li>A branch named "master" MUST exist and it MUST be referred to as the </li>
"master branch".</li> <li>Changes
<li>The master branch MUST be considered bleeding edge.</li> <ol>
<li>The master branch MUST always be in a non-broken state with its test <li>Changes MUST be performed on a separate branch that SHOULD be referred to
suite passing.</li> as a "change branch". All change branches MUST have descriptive names. It
<li>The master branch SHOULD always be in a "as near as possible ready for is RECOMMENDED that you commit often locally, and you SHOULD regularly
release/production" state to reduce the friction of creating a new push your work to the same named branch on the remote server.</li>
release.</li> <li>When a change branch is created, the branch that it is created from
</ol> SHOULD be referred to as the "source branch". Each change branch also
</li> needs a designated "merge target branch", typically this will be the same
<li>Changes as the source branch.</li>
<ol> <li>Change branches MUST be regularly updated with any changes from their
<li>Changes MUST be performed on a separate branch that SHOULD be referred to source branch. This MUST be done by rebasing the change branch on top of
as a "change branch". All change branches MUST have descriptive names. It the source branch. To be clear you MUST NOT merge a source branch into a
is RECOMMENDED that you commit often locally, and you SHOULD regularly change branch.</li>
push your work to the same named branch on the remote server.</li> <li>After rebasing a change branch on top of its source branch you MUST push
<li>When a change branch is created, the branch that it is created from the change branch to the remote server. This will require you do a force
SHOULD be referred to as the "source branch". Each change branch also push, and you SHOULD use the "--force-with-lease" git push option.</li>
needs a designated "merge target branch", typically this will be the same <li>To merge a change branch into its merge target branch, you MUST open a
as the source branch.</li> "pull request" (or equivalent) so others can review and approve your
<li>Change branches MUST be regularly updated with any changes from their changes.</li>
source branch. This MUST be done by rebasing the change branch on top of <li>A pull request MUST only be merged when the change branch is up-to-date
the source branch. To be clear you MUST NOT merge a source branch into a with its source branch, the test suite is passing, and you and others are
change branch.</li> happy with the change. This is especially important if the merge target
<li>After rebasing a change branch on top of its source branch you MUST push is the master branch.</li>
the change branch to the remote server. This will require you do a force <li>To get feedback, help, or generally just discuss a change branch with
push, and you SHOULD use the "--force-with-lease" git push option.</li> others, it is RECOMMENDED you do this by creating a pull request and
<li>To merge a change branch into its merge target branch, you MUST open a discuss the changes with others there.</li>
"pull request" (or equivalent) so others can review and approve your </ol>
changes.</li> </li>
<li>A pull request MUST only be merged when the change branch is up-to-date <li>Git Best Practices
with its source branch, the test suite is passing, and you and others are <ol>
happy with the change. This is especially important if the merge target <li>All commit messages SHOULD follow the Commit Guidelines and format from
is the master branch.</li> the official git
<li>To get feedback, help, or generally just discuss a change branch with documentation:
others, it is RECOMMENDED you do this by creating a pull request and <a href="https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project">https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project</a></li>
discuss the changes with others there.</li> <li>You SHOULD always use "--force-with-lease" when doing a force push. The
</ol> plain "--force" option is dangerous and destructive. More
</li> information:
<li>Git Best Practices <a href="https://developer.atlassian.com/blog/2015/04/force-with-lease/">https://developer.atlassian.com/blog/2015/04/force-with-lease/</a></li>
<ol> <li>You SHOULD understand and be comfortable with
<li>All commit messages SHOULD follow the Commit Guidelines and format from rebasing: <a href="https://git-scm.com/book/en/v2/Git-Branching-Rebasing">https://git-scm.com/book/en/v2/Git-Branching-Rebasing</a></li>
the official git <li>It is RECOMMENDED that you always do "git pull --rebase" instead of "git
documentation: pull" to avoid unnecessary merge commits. You can make this the default
<a href="https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project">https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project</a></li> behavior of "git pull" with "git config --global pull.rebase true".</li>
<li>You SHOULD always use "--force-with-lease" when doing a force push. The <li>It is RECOMMENDED that all branches be merged using "git merge --no-ff".
plain "--force" option is dangerous and destructive. More This makes sure the reference to the original branch is kept in the commits,
information: allows one to revert a merge by reverting a single merge commit, and creates
<a href="https://developer.atlassian.com/blog/2015/04/force-with-lease/">https://developer.atlassian.com/blog/2015/04/force-with-lease/</a></li> a merge commit to mark the integration of the branch with master.</li>
<li>You SHOULD understand and be comfortable with </ol>
rebasing: <a href="https://git-scm.com/book/en/v2/Git-Branching-Rebasing">https://git-scm.com/book/en/v2/Git-Branching-Rebasing</a></li> </li>
<li>It is RECOMMENDED that you always do "git pull --rebase" instead of "git <li>Versioning
pull" to avoid unnecessary merge commits. You can make this the default <ol>
behavior of "git pull" with "git config --global pull.rebase true".</li> <li>The project MUST have its version hard-coded somewhere in the
<li>It is RECOMMENDED that all branches be merged using "git merge --no-ff". code-base. It is RECOMMENDED that this is done in a file called "VERSION"
This makes sure the reference to the original branch is kept in the commits, located in the root of the project.</li>
allows one to revert a merge by reverting a single merge commit, and creates <li>If you are using a "VERSION" file in the root of the project, this MUST
a merge commit to mark the integration of the branch with master.</li> only contain the exact version string.</li>
</ol> <li>The version string SHOULD follow the Semantic Versioning
</li> (<a href="http://semver.org/">http://semver.org/</a>) format. Use of Semantic Versioning is OPTIONAL,
<li>Versioning but the version string MUST NOT have a "v" prefix. For example "v2.11.4"
<ol> is bad, and "2.11.4" is good.</li>
<li>The project MUST have its version hard-coded somewhere in the </ol>
code-base. It is RECOMMENDED that this is done in a file called "VERSION" </li>
located in the root of the project.</li> <li>Releases
<li>If you are using a "VERSION" file in the root of the project, this MUST <ol>
only contain the exact version string.</li> <li>To create a new release, you MUST create a "version bump" commit directly
<li>The version string SHOULD follow the Semantic Versioning on the master branch which changes the hard-coded version value of the
(<a href="http://semver.org/">http://semver.org/</a>) format. Use of Semantic Versioning is OPTIONAL, project. The version bump commit MUST have a git tag created on it and
but the version string MUST NOT have a "v" prefix. For example "v2.11.4" named as the exact version string.</li>
is bad, and "2.11.4" is good.</li> <li>A version bump commit MUST have a commit message title of "Bump version
</ol> to VERSION". For example, if the new version string is "2.11.4", the
</li> first line of the commit message MUST read: "Bump version to 2.11.4"</li>
<li>Releases <li>The release tag on the version bump commit MUST be named exactly the same
<ol> as the version string. The tag name can OPTIONALLY be prefixed with
<li>To create a new release, you MUST create a "version bump" commit directly "v". For example the tag name can be either "2.11.4" or "v2.11.4".</li>
on the master branch which changes the hard-coded version value of the <li>It is RECOMMENDED that release tags are lightweight tags, but you can
project. The version bump commit MUST have a git tag created on it and OPTIONALLY use annotated tags if you want to include changelog
named as the exact version string.</li> information in the release tag itself.</li>
<li>A version bump commit MUST have a commit message title of "Bump version <li>If you use annotated release tags, the first line of the annotation MUST
to VERSION". For example, if the new version string is "2.11.4", the read "Release VERSION". For example for version "2.11.4" the first line
first line of the commit message MUST read: "Bump version to 2.11.4"</li> of the tag annotation would read "Release 2.11.4". The second line must
<li>The release tag on the version bump commit MUST be named exactly the same be blank, and the changelog MUST start on the third line.</li>
as the version string. The tag name can OPTIONALLY be prefixed with </ol>
"v". For example the tag name can be either "2.11.4" or "v2.11.4".</li> </li>
<li>It is RECOMMENDED that release tags are lightweight tags, but you can <li>Bug Fixes &amp; Rollback
OPTIONALLY use annotated tags if you want to include changelog <ol>
information in the release tag itself.</li> <li>You MUST NOT under any circumstances force push to the master branch.</li>
<li>If you use annotated release tags, the first line of the annotation MUST <li>If a change branch which has been merged in to the master branch is found
read "Release VERSION". For example for version "2.11.4" the first line to have a bug in it, the bug fix work MUST be done as a new separate
of the tag annotation would read "Release 2.11.4". The second line must change branch and MUST follow the same workflow as any other change
be blank, and the changelog MUST start on the third line.</li> branch.</li>
</ol> <li>If a change branch is wrongfully merged in to master, or for any other
</li> reason the merge must be undone, you MUST undo the merge by reverting the
<li>Bug Fixes &amp; Rollback merge commit itself. Effectively creating a new commit that reverses all
<ol> the relevant changes.</li>
<li>You MUST NOT under any circumstances force push to the master branch.</li> </ol>
<li>If a change branch which has been merged in to the master branch is found </li>
to have a bug in it, the bug fix work MUST be done as a new separate <li>Maintenance Releases
change branch and MUST follow the same workflow as any other change <ol>
branch.</li> <li>Any branch that has a name starting with "stable-" SHOULD be referred to
<li>If a change branch is wrongfully merged in to master, or for any other as a "maintenance branch".</li>
reason the merge must be undone, you MUST undo the merge by reverting the <li>Maintenance branches are used for managing new releases of older
merge commit itself. Effectively creating a new commit that reverses all versions. Typically this is used to provide security updates for older
the relevant changes.</li> versions when the master branch has moved on to a point that a new
</ol> release for the old version cannot be made from the master branch.</li>
</li> <li>A "maintenance release" is identical to a regular release, except the
<li>Maintenance Releases version bump commit and the release tag are placed on the maintenance
<ol> branch instead of on the master branch.</li>
<li>Any branch that has a name starting with "stable-" SHOULD be referred to <li>A maintenance branch SHOULD follow a "stable-X.Y" naming pattern, where
as a "maintenance branch".</li> "X" is the MAJOR version and "Y" is the minor version.</li>
<li>Maintenance branches are used for managing new releases of older <li>A maintenance branch MUST be created from the relevant release tag. For
versions. Typically this is used to provide security updates for older example if there is a security fix for all 2.9.x releases, the latest of
versions when the master branch has moved on to a point that a new which is "2.9.7", we create a new branch called "stable-2.9" off of the
release for the old version cannot be made from the master branch.</li> "2.9.7" release tag. The security fix release will then end up being
<li>A "maintenance release" is identical to a regular release, except the version "2.9.8".</li>
version bump commit and the release tag are placed on the maintenance <li>When working on a maintenance release, the relevant maintenance branch
branch instead of on the master branch.</li> MUST be thought of as the master branch for that maintenance work.</li>
<li>A maintenance branch SHOULD follow a "stable-X.Y" naming pattern, where <li>Changes in a maintenance branch SHOULD typically come from work being
"X" is the MAJOR version and "Y" is the minor version.</li> done against the master branch. Meaning changes SHOULD only trickle
<li>A maintenance branch MUST be created from the relevant release tag. For downwards from the master branch. If a change needs to trickle back up
example if there is a security fix for all 2.9.x releases, the latest of into the master branch, that work should have happened against the master
which is "2.9.7", we create a new branch called "stable-2.9" off of the branch in the first place.</li>
"2.9.7" release tag. The security fix release will then end up being </ol>
version "2.9.8".</li> </li>
<li>When working on a maintenance release, the relevant maintenance branch </ol>
MUST be thought of as the master branch for that maintenance work.</li> <h2 id="about">About</h2>
<li>Changes in a maintenance branch SHOULD typically come from work being <p>The Git Common-Flow specification is authored
done against the master branch. Meaning changes SHOULD only trickle by <a href="http://jimeh.me">Jim Myhrberg</a>.</p>
downwards from the master branch. If a change needs to trickle back up <p>If you'd like to leave feedback,
into the master branch, that work should have happened against the master please <a href="https://github.com/jimeh/common-flow/issues">open an issue on GitHub</a>.</p>
branch in the first place.</li> <h2 id="license">License</h2>
</ol> <p><a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons - CC BY 3.0</a></p>
</li>
</ol>
<h2 id="about">About</h2>
<p>The Git Common-Flow specification is authored
by <a href="http://jimeh.me">Jim Myhrberg</a>.</p>
<p>If you'd like to leave feedback,
please <a href="https://github.com/jimeh/common-flow/issues">open an issue on GitHub</a>.</p>
<h2 id="license">License</h2>
<p><a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons - CC BY 3.0</a></p>
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<h1 id="git-common-flow-100-rc2">Git Common-Flow 1.0.0-rc.2</h1> <h1 id="git-common-flow-100-rc2">Git Common-Flow 1.0.0-rc.2</h1>
<p><img src="/spec/1.0.0-rc.2.svg" width="100%" /></p>
<p><img src="/spec/1.0.0-rc.2.svg" width="100%" /></p> <h2 id="summary">Summary</h2>
<p>Common-Flow is an attempt to gather a sensible selection of the most common
<h2 id="summary">Summary</h2> usage patterns of git into a single and concise specification. It is based on
the <a href="http://scottchacon.com/2011/08/31/github-flow.html">original variant</a>
<p>Common-Flow is an attempt to gather a sensible selection of the most common of <a href="https://guides.github.com/introduction/flow/">GitHub Flow</a>, while taking
usage patterns of git into a single and concise specification. It is based on into account how a lot of open source projects use git.</p>
the <a href="http://scottchacon.com/2011/08/31/github-flow.html">original variant</a> <p>TL;DR: Common-Flow is basically GitHub Flow with the addition of versioned
of <a href="https://guides.github.com/introduction/flow/">GitHub Flow</a>, while taking releases, maintenance releases for old versions, and without the requirement to
into account how a lot of open source projects use git.</p> deploy to production all the time.</p>
<h2 id="terminology">Terminology</h2>
<p>TL;DR: Common-Flow is basically GitHub Flow with the addition of versioned <ul>
releases, maintenance releases for old versions, and without the requirement to <li><strong>Master Branch</strong> - Must always have passing tests, is considered bleeding
deploy to production all the time.</p> edge, and must be named <code class="highlighter-rouge">master</code>.</li>
<li><strong>Change Branches</strong> - Any branch that introduces changes like a new feature, a
<h2 id="terminology">Terminology</h2> bug fix, etc.</li>
<li><strong>Source Branch</strong> - The branch that a change branch was created from. New
<ul> changes in the source branch should be incorporated into the change branch via
<li><strong>Master Branch</strong> - Must always have passing tests, is considered bleeding rebasing.</li>
edge, and must be named <code class="highlighter-rouge">master</code>.</li> <li><strong>Merge Target</strong> - A branch that is the intended merge target for a change
<li><strong>Change Branches</strong> - Any branch that introduces changes like a new feature, a branch. Typically the merge target branch will be the same as the source
bug fix, etc.</li> branch.</li>
<li><strong>Source Branch</strong> - The branch that a change branch was created from. New <li><strong>Pull Request</strong> - A means of requesting that a change branch is merged in to
changes in the source branch should be incorporated into the change branch via its merge target, allowing others to review, discuss and approve the changes.</li>
rebasing.</li> <li><strong>Release</strong> - Consists of a version bump commit, and a git tag named according
<li><strong>Merge Target</strong> - A branch that is the intended merge target for a change to the new version string placed on said commit.</li>
branch. Typically the merge target branch will be the same as the source <li><strong>Release Branches</strong> - Used both for short-term preparations of a release, and
branch.</li> also for long-term maintenance of older version.</li>
<li><strong>Pull Request</strong> - A means of requesting that a change branch is merged in to </ul>
its merge target, allowing others to review, discuss and approve the changes.</li> <h2 id="git-common-flow-specification-common-flow">Git Common-Flow Specification (Common-Flow)</h2>
<li><strong>Release</strong> - Consists of a version bump commit, and a git tag named according <p>The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
to the new version string placed on said commit.</li> "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
<li><strong>Release Branches</strong> - Used both for short-term preparations of a release, and interpreted as described in <a href="https://tools.ietf.org/html/rfc2119">RFC 2119</a>.</p>
also for long-term maintenance of older version.</li> <ol>
</ul> <li>The Master Branch
<ol>
<h2 id="git-common-flow-specification-common-flow">Git Common-Flow Specification (Common-Flow)</h2> <li>A branch named "master" MUST exist and it MUST be referred to as the
"master branch".</li>
<p>The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", <li>The master branch MUST be considered bleeding edge.</li>
"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be <li>The master branch MUST always be in a non-broken state with its test
interpreted as described in <a href="https://tools.ietf.org/html/rfc2119">RFC 2119</a>.</p> suite passing.</li>
<li>The master branch SHOULD always be in a "as near as possibly ready for
<ol> release/production" state to reduce any friction with creating a new
<li>The Master Branch release.</li>
<ol> </ol>
<li>A branch named "master" MUST exist and it MUST be referred to as the </li>
"master branch".</li> <li>Change Branches
<li>The master branch MUST be considered bleeding edge.</li> <ol>
<li>The master branch MUST always be in a non-broken state with its test <li>Each change (feature, bugfix, etc.) MUST be performed on separate
suite passing.</li> branches that SHOULD be referred to as "change branches". All change
<li>The master branch SHOULD always be in a "as near as possibly ready for branches MUST have descriptive names. It is RECOMMENDED that you commit
release/production" state to reduce any friction with creating a new often locally, and you SHOULD regularly push your work to the same named
release.</li> branch on the remote server.</li>
</ol> <li>You MUST create separate change branches for each distinctly different
</li> change. You MUST NOT include multiple unrelated changes into a single
<li>Change Branches change branch.</li>
<ol> <li>When a change branch is created, the branch that it is created from
<li>Each change (feature, bugfix, etc.) MUST be performed on separate SHOULD be referred to as the "source branch". Each change branch also
branches that SHOULD be referred to as "change branches". All change needs a designated "merge target" branch, typically this will be the same
branches MUST have descriptive names. It is RECOMMENDED that you commit as the source branch.</li>
often locally, and you SHOULD regularly push your work to the same named <li>Change branches MUST be regularly updated with any changes from their
branch on the remote server.</li> source branch. This MUST be done by rebasing the change branch on top of
<li>You MUST create separate change branches for each distinctly different the source branch.</li>
change. You MUST NOT include multiple unrelated changes into a single <li>After rebasing a change branch on top of its source branch you MUST push
change branch.</li> the change branch to the remote server. This will require you to do a
<li>When a change branch is created, the branch that it is created from force push, and you SHOULD use the "--force-with-lease" git push option.</li>
SHOULD be referred to as the "source branch". Each change branch also </ol>
needs a designated "merge target" branch, typically this will be the same </li>
as the source branch.</li> <li>Pull Requests
<li>Change branches MUST be regularly updated with any changes from their <ol>
source branch. This MUST be done by rebasing the change branch on top of <li>To merge a change branch into its merge target, you MUST open a "pull
the source branch.</li> request" (or equivalent) so others can review and approve your changes.</li>
<li>After rebasing a change branch on top of its source branch you MUST push <li>A pull request MUST only be merged when the change branch is up-to-date
the change branch to the remote server. This will require you to do a with its source branch, the test suite is passing, and you and others are
force push, and you SHOULD use the "--force-with-lease" git push option.</li> happy with the change. This is especially important if the merge target
</ol> is the master branch.</li>
</li> <li>To get feedback, help, or generally just discuss a change branch with
<li>Pull Requests others, the RECOMMENDED way to do so is by creating a pull request and
<ol> discuss the changes with others there.</li>
<li>To merge a change branch into its merge target, you MUST open a "pull </ol>
request" (or equivalent) so others can review and approve your changes.</li> </li>
<li>A pull request MUST only be merged when the change branch is up-to-date <li>Versioning
with its source branch, the test suite is passing, and you and others are <ol>
happy with the change. This is especially important if the merge target <li>The project MUST have its version hard-coded somewhere in the
is the master branch.</li> code-base. It is RECOMMENDED that this is done in a file called "VERSION"
<li>To get feedback, help, or generally just discuss a change branch with located in the root of the project.</li>
others, the RECOMMENDED way to do so is by creating a pull request and <li>If you are using a "VERSION" file in the root of the project, this MUST
discuss the changes with others there.</li> only contain the exact version string.</li>
</ol> <li>The version string SHOULD follow the Semantic Versioning
</li> (<a href="http://semver.org/">http://semver.org/</a>) format. Use of Semantic Versioning is OPTIONAL,
<li>Versioning but the version string MUST NOT have a "v" prefix. For example "v2.11.4"
<ol> is bad, and "2.11.4" is good.</li>
<li>The project MUST have its version hard-coded somewhere in the </ol>
code-base. It is RECOMMENDED that this is done in a file called "VERSION" </li>
located in the root of the project.</li> <li>Releases
<li>If you are using a "VERSION" file in the root of the project, this MUST <ol>
only contain the exact version string.</li> <li>To create a new release, you MUST create a "version bump" commit which
<li>The version string SHOULD follow the Semantic Versioning changes the hard-coded version string of the project. The version bump
(<a href="http://semver.org/">http://semver.org/</a>) format. Use of Semantic Versioning is OPTIONAL, commit MUST have a git tag created on it and named as the exact version
but the version string MUST NOT have a "v" prefix. For example "v2.11.4" string.</li>
is bad, and "2.11.4" is good.</li> <li>If you are not using a release branch, then the version bump commit MUST
</ol> be created directly on the master branch.</li>
</li> <li>The version bump commit MUST have a commit message title of "Bump version
<li>Releases to VERSION". For example, if the new version string is "2.11.4", the
<ol> first line of the commit message MUST read: "Bump version to 2.11.4"</li>
<li>To create a new release, you MUST create a "version bump" commit which <li>The release tag on the version bump commit MUST be named exactly the same
changes the hard-coded version string of the project. The version bump as the version string. The tag name can OPTIONALLY be prefixed with
commit MUST have a git tag created on it and named as the exact version "v". For example the tag name can be either "2.11.4" or "v2.11.4". You
string.</li> MUST not use a mix of "v" prefixed and non-prefixed tags. Pick one form
<li>If you are not using a release branch, then the version bump commit MUST and stick to it.</li>
be created directly on the master branch.</li> <li>It is RECOMMENDED that release tags are lightweight tags, but you can
<li>The version bump commit MUST have a commit message title of "Bump version OPTIONALLY use annotated tags if you want to include changelog
to VERSION". For example, if the new version string is "2.11.4", the information in the release tag itself.</li>
first line of the commit message MUST read: "Bump version to 2.11.4"</li> <li>If you use annotated release tags, the first line of the annotation MUST
<li>The release tag on the version bump commit MUST be named exactly the same read "Release VERSION". For example for version "2.11.4" the first line
as the version string. The tag name can OPTIONALLY be prefixed with of the tag annotation would read "Release 2.11.4". The second line must
"v". For example the tag name can be either "2.11.4" or "v2.11.4". You be blank, and the changelog MUST start on the third line.</li>
MUST not use a mix of "v" prefixed and non-prefixed tags. Pick one form </ol>
and stick to it.</li> </li>
<li>It is RECOMMENDED that release tags are lightweight tags, but you can <li>Release Branches
OPTIONALLY use annotated tags if you want to include changelog <ol>
information in the release tag itself.</li> <li>Any branch that has a name starting with "release-" SHOULD be referred to
<li>If you use annotated release tags, the first line of the annotation MUST as a "release branch".</li>
read "Release VERSION". For example for version "2.11.4" the first line <li>Use of release branches is OPTIONAL.</li>
of the tag annotation would read "Release 2.11.4". The second line must <li>Changes in a release branch SHOULD typically come from work being
be blank, and the changelog MUST start on the third line.</li> done against the master branch. Meaning changes SHOULD only trickle
</ol> downwards from the master branch. If a change needs to trickle back up
</li> into the master branch, that work should have happened against the master
<li>Release Branches branch in the first place. One exception to this is version bump commits.</li>
<ol> <li>There are two types of release branches; short-term, and long-term.</li>
<li>Any branch that has a name starting with "release-" SHOULD be referred to <li>Short-Term Release Branches
as a "release branch".</li> <ol>
<li>Use of release branches is OPTIONAL.</li> <li>Used for creating a specific versioned release.</li>
<li>Changes in a release branch SHOULD typically come from work being <li>A short-term release branch is RECOMMENDED if there is a lengthy
done against the master branch. Meaning changes SHOULD only trickle pre-release verification process to avoid a code freeze on the master
downwards from the master branch. If a change needs to trickle back up branch.</li>
into the master branch, that work should have happened against the master <li>MUST have a name of "release-VERSION". For example for version
branch in the first place. One exception to this is version bump commits.</li> "2.11.4" the release branch name MUST be "release-2.11.4".</li>
<li>There are two types of release branches; short-term, and long-term.</li> <li>When using a short-term release branch, the version bump commit and
<li>Short-Term Release Branches release tag MUST be made directly on the release branch itself.</li>
<ol> <li>Only very minor changes should be performed on a short-term release
<li>Used for creating a specific versioned release.</li> branch directly. Any larger changes SHOULD be done in the master
<li>A short-term release branch is RECOMMENDED if there is a lengthy branch, and SHOULD be pulled into the release branch by rebasing it
pre-release verification process to avoid a code freeze on the master on top of the master branch the same way a change branch pulls in
branch.</li> updates from its source branch.</li>
<li>MUST have a name of "release-VERSION". For example for version <li>After the version bump commit and release tag have been created, the
"2.11.4" the release branch name MUST be "release-2.11.4".</li> release branch MUST be merged back into its source branch and then
<li>When using a short-term release branch, the version bump commit and deleted. Typically the source branch will be the master branch.</li>
release tag MUST be made directly on the release branch itself.</li> </ol>
<li>Only very minor changes should be performed on a short-term release </li>
branch directly. Any larger changes SHOULD be done in the master <li>Long-Term Release Branches
branch, and SHOULD be pulled into the release branch by rebasing it <ol>
on top of the master branch the same way a change branch pulls in <li>Used for work on versions which are not currently part of the master
updates from its source branch.</li> branch. Typically this is useful when you need to create a new
<li>After the version bump commit and release tag have been created, the maintenance release for a older version.</li>
release branch MUST be merged back into its source branch and then <li>The branch name MUST have a non-specific version number. For example
deleted. Typically the source branch will be the master branch.</li> a long-term release branch for creating new 2.9.x releases would be
</ol> named "release-2.9".</li>
</li> <li>To create a new release from a long-term release branch, you MUST
<li>Long-Term Release Branches create a version bump commit and release tag directly on the release
<ol> branch.</li>
<li>Used for work on versions which are not currently part of the master <li>A long-term release branch MUST be created from the relevant release
branch. Typically this is useful when you need to create a new tag. For example if the master branch is on version 2.11.4 and there
maintenance release for a older version.</li> is a security fix for all 2.9.x releases, the latest of which is
<li>The branch name MUST have a non-specific version number. For example "2.9.7". Create a new branch called "release-2.9" off of the "2.9.7"
a long-term release branch for creating new 2.9.x releases would be release tag. The security fix release will then end up being version
named "release-2.9".</li> "2.9.8".</li>
<li>To create a new release from a long-term release branch, you MUST </ol>
create a version bump commit and release tag directly on the release </li>
branch.</li> </ol>
<li>A long-term release branch MUST be created from the relevant release </li>
tag. For example if the master branch is on version 2.11.4 and there <li>Bug Fixes &amp; Rollback
is a security fix for all 2.9.x releases, the latest of which is <ol>
"2.9.7". Create a new branch called "release-2.9" off of the "2.9.7" <li>You MUST NOT under any circumstances force push to the master branch.</li>
release tag. The security fix release will then end up being version <li>If a change branch which has been merged into the master branch is found
"2.9.8".</li> to have a bug in it, the bug fix work MUST be done as a new separate
</ol> change branch and MUST follow the same workflow as any other change
</li> branch.</li>
</ol> <li>If a change branch is wrongfully merged into master, or for any other
</li> reason the merge must be undone, you MUST undo the merge by reverting the
<li>Bug Fixes &amp; Rollback merge commit itself. Effectively creating a new commit that reverses all
<ol> the relevant changes.</li>
<li>You MUST NOT under any circumstances force push to the master branch.</li> </ol>
<li>If a change branch which has been merged into the master branch is found </li>
to have a bug in it, the bug fix work MUST be done as a new separate <li>Git Best Practices
change branch and MUST follow the same workflow as any other change <ol>
branch.</li> <li>All commit messages SHOULD follow the Commit Guidelines and format from
<li>If a change branch is wrongfully merged into master, or for any other the official git
reason the merge must be undone, you MUST undo the merge by reverting the documentation:
merge commit itself. Effectively creating a new commit that reverses all <a href="https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project">https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project</a></li>
the relevant changes.</li> <li>You SHOULD never blindly commit all changes with "git commit -a". It is
</ol> RECOMMENDED you use "git add -i" to add individual changes to the staging
</li> area so you are fully aware of what you are committing.</li>
<li>Git Best Practices <li>You SHOULD always use "--force-with-lease" when doing a force push. The
<ol> regular "--force" option is dangerous and destructive. More
<li>All commit messages SHOULD follow the Commit Guidelines and format from information:
the official git <a href="https://developer.atlassian.com/blog/2015/04/force-with-lease/">https://developer.atlassian.com/blog/2015/04/force-with-lease/</a></li>
documentation: <li>You SHOULD understand and be comfortable with
<a href="https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project">https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project</a></li> rebasing: <a href="https://git-scm.com/book/en/v2/Git-Branching-Rebasing">https://git-scm.com/book/en/v2/Git-Branching-Rebasing</a></li>
<li>You SHOULD never blindly commit all changes with "git commit -a". It is <li>It is RECOMMENDED that you always do "git pull --rebase" instead of "git
RECOMMENDED you use "git add -i" to add individual changes to the staging pull" to avoid unnecessary merge commits. You can make this the default
area so you are fully aware of what you are committing.</li> behavior of "git pull" with "git config --global pull.rebase true".</li>
<li>You SHOULD always use "--force-with-lease" when doing a force push. The <li>It is RECOMMENDED that all branches be merged using "git merge --no-ff".
regular "--force" option is dangerous and destructive. More This makes sure the reference to the original branch is kept in the
information: commits, allows one to revert a merge by reverting a single merge commit,
<a href="https://developer.atlassian.com/blog/2015/04/force-with-lease/">https://developer.atlassian.com/blog/2015/04/force-with-lease/</a></li> and creates a merge commit to mark the integration of the branch with
<li>You SHOULD understand and be comfortable with master.</li>
rebasing: <a href="https://git-scm.com/book/en/v2/Git-Branching-Rebasing">https://git-scm.com/book/en/v2/Git-Branching-Rebasing</a></li> </ol>
<li>It is RECOMMENDED that you always do "git pull --rebase" instead of "git </li>
pull" to avoid unnecessary merge commits. You can make this the default </ol>
behavior of "git pull" with "git config --global pull.rebase true".</li> <h2 id="about">About</h2>
<li>It is RECOMMENDED that all branches be merged using "git merge --no-ff". <p>The Git Common-Flow specification is authored
This makes sure the reference to the original branch is kept in the by <a href="http://jimeh.me">Jim Myhrberg</a>.</p>
commits, allows one to revert a merge by reverting a single merge commit, <p>If you'd like to leave feedback,
and creates a merge commit to mark the integration of the branch with please <a href="https://github.com/jimeh/common-flow/issues">open an issue on GitHub</a>.</p>
master.</li> <h2 id="license">License</h2>
</ol> <p><a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons - CC BY 3.0</a></p>
</li>
</ol>
<h2 id="about">About</h2>
<p>The Git Common-Flow specification is authored
by <a href="http://jimeh.me">Jim Myhrberg</a>.</p>
<p>If you'd like to leave feedback,
please <a href="https://github.com/jimeh/common-flow/issues">open an issue on GitHub</a>.</p>
<h2 id="license">License</h2>
<p><a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons - CC BY 3.0</a></p>
</div> </div>
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<h1 id="git-common-flow-100-rc3">Git Common-Flow 1.0.0-rc.3</h1>
<p><img src="/spec/1.0.0-rc.3.svg" width="100%" /></p>
<h2 id="summary">Summary</h2>
<p>Common-Flow is an attempt to gather a sensible selection of the most common
usage patterns of git into a single and concise specification. It is based on
the <a href="http://scottchacon.com/2011/08/31/github-flow.html">original variant</a>
of <a href="https://guides.github.com/introduction/flow/">GitHub Flow</a>, while taking
into account how a lot of open source projects use git.</p>
<p>In short, Common-Flow is essentially GitHub Flow with the addition of versioned
releases, optional release branches, and without the requirement to deploy to
production all the time.</p>
<h2 id="terminology">Terminology</h2>
<ul>
<li><strong>Master Branch</strong> - Must be named "master", must always have passing tests,
and is not guaranteed to always work in production environments.</li>
<li><strong>Change Branches</strong> - Any branch that introduces changes like a new feature, a
bug fix, etc.</li>
<li><strong>Source Branch</strong> - The branch that a change branch was created from. New
changes in the source branch should be incorporated into the change branch via
rebasing.</li>
<li><strong>Merge Target</strong> - A branch that is the intended merge target for a change
branch. Typically the merge target branch will be the same as the source
branch.</li>
<li><strong>Pull Request</strong> - A means of requesting that a change branch is merged in to
its merge target, allowing others to review, discuss and approve the changes.</li>
<li><strong>Release</strong> - May be considered safe to use in production
environments. Consists of a version bump commit, and a git tag named according
to the new version string placed on said commit.</li>
<li><strong>Release Branches</strong> - Used both for short-term preparations of a release, and
also for long-term maintenance of older version.</li>
</ul>
<h2 id="git-common-flow-specification-common-flow">Git Common-Flow Specification (Common-Flow)</h2>
<p>The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
interpreted as described in <a href="https://tools.ietf.org/html/rfc2119">RFC 2119</a>.</p>
<ol>
<li>TL;DR
<ol>
<li>Don't break the master branch.</li>
<li>A release is a git tag.</li>
</ol>
</li>
<li>The Master Branch
<ol>
<li>A branch named "master" MUST exist and it MUST be referred to as the
"master branch".</li>
<li>The master branch MUST always be in a non-broken state with its test
suite passing.</li>
<li>The master branch IS NOT guaranteed to always work in production
environments. Despite test suites passing it may at times contain
unfinished work. Only releases may be considered safe for production use.</li>
<li>The master branch SHOULD always be in a "as near as possibly ready for
release/production" state to reduce any friction with creating a new
release.</li>
</ol>
</li>
<li>Change Branches
<ol>
<li>Each change (feature, bugfix, etc.) MUST be performed on separate
branches that SHOULD be referred to as "change branches". All change
branches MUST have descriptive names. It is RECOMMENDED that you commit
often locally, and you SHOULD regularly push your work to the same named
branch on the remote server.</li>
<li>You MUST create separate change branches for each distinctly different
change. You MUST NOT include multiple unrelated changes into a single
change branch.</li>
<li>When a change branch is created, the branch that it is created from
SHOULD be referred to as the "source branch". Each change branch also
needs a designated "merge target" branch, typically this will be the same
as the source branch.</li>
<li>Change branches MUST be regularly updated with any changes from their
source branch. This MUST be done by rebasing the change branch on top of
the source branch.</li>
<li>After rebasing a change branch on top of its source branch you MUST push
the change branch to the remote server. This will require you to do a
force push, and you SHOULD use the "--force-with-lease" git push option.</li>
</ol>
</li>
<li>Pull Requests
<ol>
<li>To merge a change branch into its merge target, you MUST open a "pull
request" (or equivalent) so others can review and approve your changes.</li>
<li>A pull request MUST only be merged when the change branch is up-to-date
with its source branch, the test suite is passing, and you and others are
happy with the change. This is especially important if the merge target
is the master branch.</li>
<li>To get feedback, help, or generally just discuss a change branch with
others, the RECOMMENDED way to do so is by creating a pull request and
discuss the changes with others there.</li>
</ol>
</li>
<li>Versioning
<ol>
<li>The project MUST have its version hard-coded somewhere in the
code-base. It is RECOMMENDED that this is done in a file called "VERSION"
located in the root of the project.</li>
<li>If you are using a "VERSION" file in the root of the project, this MUST
only contain the exact version string.</li>
<li>The version string SHOULD follow the Semantic Versioning
(<a href="http://semver.org/">http://semver.org/</a>) format. Use of Semantic Versioning is OPTIONAL,
but the version string MUST NOT have a "v" prefix. For example "v2.11.4"
is bad, and "2.11.4" is good.</li>
</ol>
</li>
<li>Releases
<ol>
<li>To create a new release, you MUST create a "version bump" commit which
changes the hard-coded version string of the project. The version bump
commit MUST have a git tag created on it and named as the exact version
string.</li>
<li>If you are not using a release branch, then the version bump commit MUST
be created directly on the master branch.</li>
<li>The version bump commit MUST have a commit message title of "Bump version
to VERSION". For example, if the new version string is "2.11.4", the
first line of the commit message MUST read: "Bump version to 2.11.4"</li>
<li>The release tag on the version bump commit MUST be named exactly the same
as the version string. The tag name can OPTIONALLY be prefixed with
"v". For example the tag name can be either "2.11.4" or "v2.11.4". You
MUST not use a mix of "v" prefixed and non-prefixed tags. Pick one form
and stick to it.</li>
<li>It is RECOMMENDED that release tags are lightweight tags, but you can
OPTIONALLY use annotated tags if you want to include changelog
information in the release tag itself.</li>
<li>If you use annotated release tags, the first line of the annotation MUST
read "Release VERSION". For example for version "2.11.4" the first line
of the tag annotation would read "Release 2.11.4". The second line must
be blank, and the changelog MUST start on the third line.</li>
</ol>
</li>
<li>Release Branches
<ol>
<li>Any branch that has a name starting with "release-" SHOULD be referred to
as a "release branch".</li>
<li>Use of release branches is OPTIONAL.</li>
<li>Changes in a release branch SHOULD typically come from work being
done against the master branch. Meaning changes SHOULD only trickle
downwards from the master branch. If a change needs to trickle back up
into the master branch, that work should have happened against the master
branch in the first place. One exception to this is version bump commits.</li>
<li>There are two types of release branches; short-term, and long-term.</li>
<li>Short-Term Release Branches
<ol>
<li>Used for creating a specific versioned release.</li>
<li>A short-term release branch is RECOMMENDED if there is a lengthy
pre-release verification process to avoid a code freeze on the master
branch.</li>
<li>MUST have a name of "release-VERSION". For example for version
"2.11.4" the release branch name MUST be "release-2.11.4".</li>
<li>When using a short-term release branch, the version bump commit and
release tag MUST be made directly on the release branch itself.</li>
<li>Only very minor changes should be performed on a short-term release
branch directly. Any larger changes SHOULD be done in the master
branch, and SHOULD be pulled into the release branch by rebasing it
on top of the master branch the same way a change branch pulls in
updates from its source branch.</li>
<li>After the version bump commit and release tag have been created, the
release branch MUST be merged back into its source branch and then
deleted. Typically the source branch will be the master branch.</li>
</ol>
</li>
<li>Long-Term Release Branches
<ol>
<li>Used for work on versions which are not currently part of the master
branch. Typically this is useful when you need to create a new
maintenance release for a older version.</li>
<li>The branch name MUST have a non-specific version number. For example
a long-term release branch for creating new 2.9.x releases would be
named "release-2.9".</li>
<li>To create a new release from a long-term release branch, you MUST
create a version bump commit and release tag directly on the release
branch.</li>
<li>A long-term release branch MUST be created from the relevant release
tag. For example if the master branch is on version 2.11.4 and there
is a security fix for all 2.9.x releases, the latest of which is
"2.9.7". Create a new branch called "release-2.9" off of the "2.9.7"
release tag. The security fix release will then end up being version
"2.9.8".</li>
</ol>
</li>
</ol>
</li>
<li>Bug Fixes &amp; Rollback
<ol>
<li>You MUST NOT under any circumstances force push to the master branch.</li>
<li>If a change branch which has been merged into the master branch is found
to have a bug in it, the bug fix work MUST be done as a new separate
change branch and MUST follow the same workflow as any other change
branch.</li>
<li>If a change branch is wrongfully merged into master, or for any other
reason the merge must be undone, you MUST undo the merge by reverting the
merge commit itself. Effectively creating a new commit that reverses all
the relevant changes.</li>
</ol>
</li>
<li>Git Best Practices
<ol>
<li>All commit messages SHOULD follow the Commit Guidelines and format from
the official git
documentation:
<a href="https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines">https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines</a></li>
<li>You SHOULD never blindly commit all changes with "git commit -a". It is
RECOMMENDED you use "git add -i" to add individual changes to the staging
area so you are fully aware of what you are committing.</li>
<li>You SHOULD always use "--force-with-lease" when doing a force push. The
regular "--force" option is dangerous and destructive. More
information:
<a href="https://developer.atlassian.com/blog/2015/04/force-with-lease/">https://developer.atlassian.com/blog/2015/04/force-with-lease/</a></li>
<li>You SHOULD understand and be comfortable with
rebasing: <a href="https://git-scm.com/book/en/v2/Git-Branching-Rebasing">https://git-scm.com/book/en/v2/Git-Branching-Rebasing</a></li>
<li>It is RECOMMENDED that you always do "git pull --rebase" instead of "git
pull" to avoid unnecessary merge commits. You can make this the default
behavior of "git pull" with "git config --global pull.rebase true".</li>
<li>It is RECOMMENDED that all branches be merged using "git merge --no-ff".
This makes sure the reference to the original branch is kept in the
commits, allows one to revert a merge by reverting a single merge commit,
and creates a merge commit to mark the integration of the branch with
master.</li>
</ol>
</li>
</ol>
<h2 id="about">About</h2>
<p>The Git Common-Flow specification is authored
by <a href="http://jimeh.me">Jim Myhrberg</a>.</p>
<p>If you'd like to leave feedback,
please <a href="https://github.com/jimeh/common-flow/issues">open an issue on GitHub</a>.</p>
<h2 id="license">License</h2>
<p><a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons - CC BY 3.0</a></p>
</div>
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<h1 id="git-common-flow-100-rc4">Git Common-Flow 1.0.0-rc.4</h1>
<p><img src="/spec/1.0.0-rc.4.svg" width="100%" /></p>
<h2 id="summary">Summary</h2>
<p>Common-Flow is an attempt to gather a sensible selection of the most common
usage patterns of git into a single and concise specification. It is based on
the <a href="http://scottchacon.com/2011/08/31/github-flow.html">original variant</a>
of <a href="https://guides.github.com/introduction/flow/">GitHub Flow</a>, while taking
into account how a lot of open source projects use git.</p>
<p>In short, Common-Flow is essentially GitHub Flow with the addition of versioned
releases, optional release branches, and without the requirement to deploy to
production all the time.</p>
<h2 id="terminology">Terminology</h2>
<ul>
<li><strong>Master Branch</strong> - Must be named "master", must always have passing tests,
and is not guaranteed to always work in production environments.</li>
<li><strong>Change Branches</strong> - Any branch that introduces changes like a new feature, a
bug fix, etc.</li>
<li><strong>Source Branch</strong> - The branch that a change branch was created from. New
changes in the source branch should be incorporated into the change branch via
rebasing.</li>
<li><strong>Merge Target</strong> - A branch that is the intended merge target for a change
branch. Typically the merge target branch will be the same as the source
branch.</li>
<li><strong>Pull Request</strong> - A means of requesting that a change branch is merged in to
its merge target, allowing others to review, discuss and approve the changes.</li>
<li><strong>Release</strong> - May be considered safe to use in production environments. Is
effectively just a git tag named after the version of the release.</li>
<li><strong>Release Branches</strong> - Used both for short-term preparations of a release, and
also for long-term maintenance of older version.</li>
</ul>
<h2 id="git-common-flow-specification-common-flow">Git Common-Flow Specification (Common-Flow)</h2>
<p>The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
interpreted as described in <a href="https://tools.ietf.org/html/rfc2119">RFC 2119</a>.</p>
<ol>
<li>TL;DR
<ol>
<li>Don't break the master branch.</li>
<li>A release is a git tag.</li>
</ol>
</li>
<li>The Master Branch
<ol>
<li>A branch named "master" MUST exist and it MUST be referred to as the
"master branch".</li>
<li>The master branch MUST always be in a non-broken state with its test
suite passing.</li>
<li>The master branch IS NOT guaranteed to always work in production
environments. Despite test suites passing it may at times contain
unfinished work. Only releases may be considered safe for production use.</li>
<li>The master branch SHOULD always be in a "as near as possibly ready for
release/production" state to reduce any friction with creating a new
release.</li>
</ol>
</li>
<li>Change Branches
<ol>
<li>Each change (feature, bugfix, etc.) MUST be performed on separate
branches that SHOULD be referred to as "change branches".</li>
<li>All change branches MUST have descriptive names.</li>
<li>It is RECOMMENDED that you commit often locally, and that you try and
keep the commits reasonably structured to avoid a messy and confusing git
history.</li>
<li>You SHOULD regularly push your work to the same named branch on the
remote server.</li>
<li>You SHOULD create separate change branches for each distinctly different
change. You SHOULD NOT include multiple unrelated changes into a single
change branch.</li>
<li>When a change branch is created, the branch that it is created from
SHOULD be referred to as the "source branch". Each change branch also
needs a designated "merge target" branch, typically this will be the same
as the source branch.</li>
<li>Change branches MUST be regularly updated with any changes from their
source branch. This MUST be done by rebasing the change branch on top of
the source branch.</li>
<li>After updating a change branch from its source branch you MUST push the
change branch to the remote server. Due to the nature of rebasing, you
will be required to do a force push, and you MUST use the
"--force-with-lease" git push option when doing so instead of the regular
"--force".</li>
<li>If there is a truly valid technical reason to not use rebase when
updating change branches, then you can update change branches via merge
instead of rebase. The decision to use merge MUST only be taken after all
possible options to use rebase have been tried and failed. People not
understanding how to use rebase is NOT a valid reason to use merge. If
you do decide to use merge instead of rebase, you MUST NOT use a mixture
of both methods, pick one and stick to it.</li>
</ol>
</li>
<li>Pull Requests
<ol>
<li>To merge a change branch into its merge target, you MUST open a "pull
request" (or equivalent).</li>
<li>The purpose of a pull request is to allow others to review your changes
and give feedback. You can then fix any issues, complaints, and more that
might arise, and then let people review again.</li>
<li>Before creating a pull request, it is RECOMMENDED that you consider the
state of your change branch's commit history. If it is messy and
confusing, it might be a good idea to rebase your branch with "git rebase
-i" to present a cleaner and easier to follow commit history for your
reviewers.</li>
<li>A pull request MUST only be merged when the change branch is up-to-date
with its source branch, the test suite is passing, and you and others are
happy with the change. This is especially important if the merge target
is the master branch.</li>
<li>To get feedback, help, or generally just discuss a change branch with
others, the RECOMMENDED way to do so is by creating a pull request and
discuss the changes with others there.</li>
</ol>
</li>
<li>Versioning
<ol>
<li>A "version string" is a typically mostly numeric string that identifies a
specific version of a project. The version string itself MUST NOT have a
"v" prefix, but the version string can be displayed with a "v" prefix to
indicate it is a version that is being referred to.</li>
<li>The source of truth for a project's version MUST be a git tag with a name
based on the version string. This kind of tag MUST be referred to as a
"release tag".</li>
<li>It is OPTIONAL, but RECOMMENDED to also keep the version string
hard-coded somewhere in the project code-base.</li>
<li>If you hard-code the version string into the code-base, it is RECOMMENDED
that you do so in a file called "VERSION" located in the root of the
project. But be mindful of the conventions of your programming language
and community when choosing if, where and how to hard-code the version
string.</li>
<li>If you are using a "VERSION" file in the root of the project, this file
MUST only contain the exact version string, meaning it MUST NOT have a
"v" prefix. For example "v2.11.4" is bad, and "2.11.4" is good.</li>
<li>It is OPTIONAL, but RECOMMENDED that that the version string follows
Semantic Versioning (<a href="http://semver.org/">http://semver.org/</a>).</li>
</ol>
</li>
<li>Releases
<ol>
<li>To create a new release, you MUST create a git tag named as the exact
version string of the release. This kind of tag MUST be referred to as a
"release tag".</li>
<li>The release tag name can OPTIONALLY be prefixed with "v". For example the
tag name can be either "2.11.4" or "v2.11.4". It is however RECOMMENDED
that you do not use a "v" prefix. You MUST NOT use a mixture of "v"
prefixed and non-prefixed tags. Pick one form and stick to it.</li>
<li>If the version string is hard-coded into the code-base, you MUST create a
"version bump" commit which changes the hard-coded version string of the
project.</li>
<li>When using version bump commits, the release tag MUST be placed on the
version bump commit.</li>
<li>If you are not using a release branch, then the release tag, and if
relevant the version bump commit, MUST be created directly on the master
branch.</li>
<li>The version bump commit SHOULD have a commit message title of "Bump
version to VERSION". For example, if the new version string is "2.11.4",
the first line of the commit message SHOULD read: "Bump version to
2.11.4"</li>
<li>It is RECOMMENDED that release tags are lightweight tags, but you can
OPTIONALLY use annotated tags if you want to include changelog
information in the release tag itself.</li>
<li>If you use annotated release tags, the first line of the annotation
SHOULD read "Release VERSION". For example for version "2.11.4" the first
line of the tag annotation SHOULD read "Release 2.11.4". The second line
MUST be blank, and the changelog MUST start on the third line.</li>
</ol>
</li>
<li>Short-Term Release Branches
<ol>
<li>Any branch that has a name starting with "release-" SHOULD be referred to
as a "release branch".</li>
<li>Any release branch which has a name ending with a specific version
string, MUST be referred to as a "short-term release branch".</li>
<li>Use of short-term release branches are OPTIONAL, and intended to be used
to create a specific versioned release.</li>
<li>A short-term release branch is RECOMMENDED if there is a lengthy
pre-release verification process to avoid a code freeze on the master
branch.</li>
<li>Short-term release branches MUST have a name of "release-VERSION". For
example for version "2.11.4" the release branch name MUST be
"release-2.11.4".</li>
<li>When using a short-term release branch to create a release, the release
tag and if used, version bump commit, MUST be placed directly on the
short-term release branch itself.</li>
<li>Only very minor changes should be performed on a short-term release
branch directly. Any larger changes SHOULD be done in the master branch,
and SHOULD be pulled into the release branch by rebasing it on top of the
master branch the same way a change branch pulls in updates from its
source branch.</li>
<li>After a release tag has been created, the release branch MUST be merged
back into its source branch and then deleted. Typically the source branch
will be the master branch.</li>
</ol>
</li>
<li>Long-term Release Branches
<ol>
<li>Any release branch which has a name ending with a non-specific version
string, MUST be referred to as a "long-term release branch". For example
"release-2.11" is a long-term release branch, while "release-2.11.4" is a
short-term release branch.</li>
<li>Use of long-term release branches are OPTIONAL, and intended for work on
versions which are not currently part of the master branch. Typically
this is useful when you need to create a new maintenance release for a
older version.</li>
<li>A long-term release branch MUST have a name with a non-specific version
number. For example a long-term release branch for creating new 2.9.x
releases MUST be named "release-2.9".</li>
<li>Long-term release branches for maintenance releases of older versions
MUST be created from the relevant release tag. For example if the master
branch is on version 2.11.4 and there is a security fix for all 2.9.x
releases, the latest of which is "2.9.7". Create a new branch called
"release-2.9" off of the "2.9.7" release tag. The security fix release
will then end up being version "2.9.8".</li>
<li>To create a new release from a long-term release branch, you MUST follow
the same process as a release from the master branch, except the
long-term release branch takes the place of the master branch.</li>
<li>A long-term release branch should be treated with the same respect as the
master branch. It is effectively the master branch for the release series
in question. Meaning it MUST always be in a non-broken state, MUST NOT be
force pushed to, etc.</li>
</ol>
</li>
<li>Bug Fixes &amp; Rollback
<ol>
<li>You MUST NOT under any circumstances force push to the master branch or
to long-term release branches.</li>
<li>If a change branch which has been merged into the master branch is found
to have a bug in it, the bug fix work MUST be done as a new separate
change branch and MUST follow the same workflow as any other change
branch.</li>
<li>If a change branch is wrongfully merged into master, or for any other
reason the merge must be undone, you MUST undo the merge by reverting the
merge commit itself. Effectively creating a new commit that reverses all
the relevant changes.</li>
</ol>
</li>
<li>Git Best Practices
<ol>
<li>All commit messages SHOULD follow the Commit Guidelines and format from
the official git
documentation:
<a href="https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines">https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines</a></li>
<li>You SHOULD never blindly commit all changes with "git commit -a". It is
RECOMMENDED you use "git add -i" or "git add -p" to add individual
changes to the staging area so you are fully aware of what you are
committing.</li>
<li>You SHOULD always use "--force-with-lease" when doing a force push. The
regular "--force" option is dangerous and destructive. More
information:
<a href="https://developer.atlassian.com/blog/2015/04/force-with-lease/">https://developer.atlassian.com/blog/2015/04/force-with-lease/</a></li>
<li>You SHOULD understand and be comfortable with
rebasing: <a href="https://git-scm.com/book/en/v2/Git-Branching-Rebasing">https://git-scm.com/book/en/v2/Git-Branching-Rebasing</a></li>
<li>It is RECOMMENDED that you always do "git pull --rebase" instead of "git
pull" to avoid unnecessary merge commits. You can make this the default
behavior of "git pull" with "git config --global pull.rebase true".</li>
<li>It is RECOMMENDED that all branches be merged using "git merge --no-ff".
This makes sure the reference to the original branch is kept in the
commits, allows one to revert a merge by reverting a single merge commit,
and creates a merge commit to mark the integration of the branch with
master.</li>
</ol>
</li>
</ol>
<h2 id="faq">FAQ</h2>
<h3 id="why-use-common-flow-instead-of-git-flow-and-how-does-it-differ">Why use Common-Flow instead of Git Flow, and how does it differ?</h3>
<p>Common-Flow tries to be a lot less complicated than Git Flow by having fewer
types of branches, and simpler rules. Normal day to day development doesn't
really change much:</p>
<ul>
<li>You create change branches instead of feature branches, without the need of a
"feature/" or "change/" prefix in the branch name.</li>
<li>Change branches are typically created off of and merged back into "master"
instead of "develop".</li>
<li>Creating a release is done by simply creating a git tag, typically on the
master branch.</li>
</ul>
<p>In detail, the main differences between Git Flow and Common-Flow are:</p>
<ul>
<li>There is no "develop" branch, there is only a "master" branch which contains
the latest work. In Git Flow the master branch effectively ends up just being
a pointer to the latest release, despite the fact that Git Flow includes
release tags too. In Common-Flow you just look at the tags to find the latest
release.</li>
<li>There are no "feature" or "hotfix" branches, there's only "change"
branches. Any branch that is not master and introduces changes is a change
branch. Change branches also don't have a enforced naming convention, they
just have to have a "descriptive name". This makes things simpler and allows
more flexibility.</li>
<li>Release branches are available, but optional. Instead of enforcing the use of
release branches like Git Flow, Common-Flow only recommends the use of release
branches when it makes things easier. If creating a new release by tagging
"master" works for you, great, do that.</li>
</ul>
<h3 id="why-use-common-flow-instead-of-github-flow-and-how-does-it-differ">Why use Common-Flow instead of GitHub Flow, and how does it differ?</h3>
<p>Common-Flow is essentially GitHub Flow with the addition of a "Release" concept
that uses tags. It also attempts to define how certain common tasks are done,
like updating change/feature branches from their source branches for
example. This is to help end arguments about how such things are done.</p>
<p>If a deployment/release for you is just getting the latest code in the master
branch out, without caring about bumping version numbers or anything, then
GitHub Flow is a good fit for you, and you probably don't need the extras of
Common-Flow.</p>
<p>However if your deployments/releases have specific version numbers, then
Common-Flow gives you a simple set of rules of how to create and manage
releases, on top of what GitHub Flow already does.</p>
<h3 id="what-does-descriptive-name-mean-for-change-branches">What does "descriptive name" mean for change branches?</h3>
<p>It means what it sounds like. The name should be descriptive, as in by just
reading the name of the branch you should understand what the branch's purpose
is and what it does. Here's a few examples:</p>
<ul>
<li>add-2fa-support</li>
<li>fix-login-issue</li>
<li>remove-sort-by-middle-name-functionality</li>
<li>update-font-awesome</li>
<li>change-search-behavior</li>
<li>tweak-footer-style</li>
</ul>
<p>Notice how none of these have any prefixes like "feature/" or "hotfix/", they're
not needed when branch names are properly descriptive. However there's nothing
to say you can't use such prefixes if you want. That also means that you can add
ticket number prefixes if your team/org has that as part of it's process.</p>
<h3 id="how-do-we-release-an-emergency-hotfix-when-the-master-branch-is-broken">How do we release an emergency hotfix when the master branch is broken?</h3>
<p>This should ideally never happen, however if it does you can do one of the
following:</p>
<ul>
<li>Review why the master branch is broken and revert the changes that caused the
issues. Then apply the hotfix and release.</li>
<li>Or use a short-term release branch created from the latest release tag instead
of the master branch. Apply the hotfix to the release branch, create a release
tag on the release branch, and then merge it back into master.</li>
</ul>
<p>In this situation, it is recommended you try to revert the offending changes
that's preventing a new release from master. But if that proves to be a
complicated task and you're short on time, a short-term release branch gives you
a instant fix to the situation at hand, and let's you resolve the issues with
the master branch when you have more time on your hands.</p>
<h2 id="about">About</h2>
<p>The Git Common-Flow specification is authored
by <a href="http://jimeh.me">Jim Myhrberg</a>.</p>
<p>If you'd like to leave feedback,
please <a href="https://github.com/jimeh/common-flow/issues">open an issue on GitHub</a>.</p>
<h2 id="license">License</h2>
<p><a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons - CC BY 3.0</a></p>
</div>
</div>
</div>
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--- ---
title: Git Common-Flow 1.0.0-rc.2 title: Git Common-Flow 1.0.0-rc.4
version: 1.0.0-rc.2 version: 1.0.0-rc.4
--- ---
Git Common-Flow 1.0.0-rc.2 Git Common-Flow 1.0.0-rc.4
============================== ===========================
<img src="/spec/1.0.0-rc.2.svg" width="100%" /> <img src="/spec/1.0.0-rc.4.svg" width="100%" />
Summary Summary
------- -------
@@ -16,15 +16,15 @@ the [original variant](http://scottchacon.com/2011/08/31/github-flow.html)
of [GitHub Flow](https://guides.github.com/introduction/flow/), while taking of [GitHub Flow](https://guides.github.com/introduction/flow/), while taking
into account how a lot of open source projects use git. into account how a lot of open source projects use git.
TL;DR: Common-Flow is basically GitHub Flow with the addition of versioned In short, Common-Flow is essentially GitHub Flow with the addition of versioned
releases, maintenance releases for old versions, and without the requirement to releases, optional release branches, and without the requirement to deploy to
deploy to production all the time. production all the time.
Terminology Terminology
----------- -----------
- **Master Branch** - Must always have passing tests, is considered bleeding - **Master Branch** - Must be named "master", must always have passing tests,
edge, and must be named `master`. and is not guaranteed to always work in production environments.
- **Change Branches** - Any branch that introduces changes like a new feature, a - **Change Branches** - Any branch that introduces changes like a new feature, a
bug fix, etc. bug fix, etc.
- **Source Branch** - The branch that a change branch was created from. New - **Source Branch** - The branch that a change branch was created from. New
@@ -35,8 +35,8 @@ Terminology
branch. branch.
- **Pull Request** - A means of requesting that a change branch is merged in to - **Pull Request** - A means of requesting that a change branch is merged in to
its merge target, allowing others to review, discuss and approve the changes. its merge target, allowing others to review, discuss and approve the changes.
- **Release** - Consists of a version bump commit, and a git tag named according - **Release** - May be considered safe to use in production environments. Is
to the new version string placed on said commit. effectively just a git tag named after the version of the release.
- **Release Branches** - Used both for short-term preparations of a release, and - **Release Branches** - Used both for short-term preparations of a release, and
also for long-term maintenance of older version. also for long-term maintenance of older version.
@@ -47,121 +47,168 @@ The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
interpreted as described in [RFC 2119](https://tools.ietf.org/html/rfc2119). interpreted as described in [RFC 2119](https://tools.ietf.org/html/rfc2119).
1. The Master Branch 1. TL;DR
1. Don't break the master branch.
2. A release is a git tag.
2. The Master Branch
1. A branch named "master" MUST exist and it MUST be referred to as the 1. A branch named "master" MUST exist and it MUST be referred to as the
"master branch". "master branch".
2. The master branch MUST be considered bleeding edge. 2. The master branch MUST always be in a non-broken state with its test
3. The master branch MUST always be in a non-broken state with its test
suite passing. suite passing.
4. The master branch SHOULD always be in a "as near as possibly ready for 4. The master branch IS NOT guaranteed to always work in production
environments. Despite test suites passing it may at times contain
unfinished work. Only releases may be considered safe for production use.
5. The master branch SHOULD always be in a "as near as possibly ready for
release/production" state to reduce any friction with creating a new release/production" state to reduce any friction with creating a new
release. release.
2. Change Branches 3. Change Branches
1. Each change (feature, bugfix, etc.) MUST be performed on separate 1. Each change (feature, bugfix, etc.) MUST be performed on separate
branches that SHOULD be referred to as "change branches". All change branches that SHOULD be referred to as "change branches".
branches MUST have descriptive names. It is RECOMMENDED that you commit 2. All change branches MUST have descriptive names.
often locally, and you SHOULD regularly push your work to the same named 3. It is RECOMMENDED that you commit often locally, and that you try and
branch on the remote server. keep the commits reasonably structured to avoid a messy and confusing git
2. You MUST create separate change branches for each distinctly different history.
change. You MUST NOT include multiple unrelated changes into a single 4. You SHOULD regularly push your work to the same named branch on the
remote server.
5. You SHOULD create separate change branches for each distinctly different
change. You SHOULD NOT include multiple unrelated changes into a single
change branch. change branch.
3. When a change branch is created, the branch that it is created from 6. When a change branch is created, the branch that it is created from
SHOULD be referred to as the "source branch". Each change branch also SHOULD be referred to as the "source branch". Each change branch also
needs a designated "merge target" branch, typically this will be the same needs a designated "merge target" branch, typically this will be the same
as the source branch. as the source branch.
4. Change branches MUST be regularly updated with any changes from their 7. Change branches MUST be regularly updated with any changes from their
source branch. This MUST be done by rebasing the change branch on top of source branch. This MUST be done by rebasing the change branch on top of
the source branch. the source branch.
5. After rebasing a change branch on top of its source branch you MUST push 8. After updating a change branch from its source branch you MUST push the
the change branch to the remote server. This will require you to do a change branch to the remote server. Due to the nature of rebasing, you
force push, and you SHOULD use the "--force-with-lease" git push option. will be required to do a force push, and you MUST use the
3. Pull Requests "--force-with-lease" git push option when doing so instead of the regular
"--force".
9. If there is a truly valid technical reason to not use rebase when
updating change branches, then you can update change branches via merge
instead of rebase. The decision to use merge MUST only be taken after all
possible options to use rebase have been tried and failed. People not
understanding how to use rebase is NOT a valid reason to use merge. If
you do decide to use merge instead of rebase, you MUST NOT use a mixture
of both methods, pick one and stick to it.
4. Pull Requests
1. To merge a change branch into its merge target, you MUST open a "pull 1. To merge a change branch into its merge target, you MUST open a "pull
request" (or equivalent) so others can review and approve your changes. request" (or equivalent).
2. A pull request MUST only be merged when the change branch is up-to-date 2. The purpose of a pull request is to allow others to review your changes
and give feedback. You can then fix any issues, complaints, and more that
might arise, and then let people review again.
3. Before creating a pull request, it is RECOMMENDED that you consider the
state of your change branch's commit history. If it is messy and
confusing, it might be a good idea to rebase your branch with "git rebase
-i" to present a cleaner and easier to follow commit history for your
reviewers.
4. A pull request MUST only be merged when the change branch is up-to-date
with its source branch, the test suite is passing, and you and others are with its source branch, the test suite is passing, and you and others are
happy with the change. This is especially important if the merge target happy with the change. This is especially important if the merge target
is the master branch. is the master branch.
3. To get feedback, help, or generally just discuss a change branch with 5. To get feedback, help, or generally just discuss a change branch with
others, the RECOMMENDED way to do so is by creating a pull request and others, the RECOMMENDED way to do so is by creating a pull request and
discuss the changes with others there. discuss the changes with others there.
4. Versioning 5. Versioning
1. The project MUST have its version hard-coded somewhere in the 1. A "version string" is a typically mostly numeric string that identifies a
code-base. It is RECOMMENDED that this is done in a file called "VERSION" specific version of a project. The version string itself MUST NOT have a
located in the root of the project. "v" prefix, but the version string can be displayed with a "v" prefix to
2. If you are using a "VERSION" file in the root of the project, this MUST indicate it is a version that is being referred to.
only contain the exact version string. 2. The source of truth for a project's version MUST be a git tag with a name
3. The version string SHOULD follow the Semantic Versioning based on the version string. This kind of tag MUST be referred to as a
(<http://semver.org/>) format. Use of Semantic Versioning is OPTIONAL, "release tag".
but the version string MUST NOT have a "v" prefix. For example "v2.11.4" 3. It is OPTIONAL, but RECOMMENDED to also keep the version string
is bad, and "2.11.4" is good. hard-coded somewhere in the project code-base.
5. Releases 4. If you hard-code the version string into the code-base, it is RECOMMENDED
1. To create a new release, you MUST create a "version bump" commit which that you do so in a file called "VERSION" located in the root of the
changes the hard-coded version string of the project. The version bump project. But be mindful of the conventions of your programming language
commit MUST have a git tag created on it and named as the exact version and community when choosing if, where and how to hard-code the version
string. string.
2. If you are not using a release branch, then the version bump commit MUST 5. If you are using a "VERSION" file in the root of the project, this file
be created directly on the master branch. MUST only contain the exact version string, meaning it MUST NOT have a
3. The version bump commit MUST have a commit message title of "Bump version "v" prefix. For example "v2.11.4" is bad, and "2.11.4" is good.
to VERSION". For example, if the new version string is "2.11.4", the 6. It is OPTIONAL, but RECOMMENDED that that the version string follows
first line of the commit message MUST read: "Bump version to 2.11.4" Semantic Versioning (<http://semver.org/>).
4. The release tag on the version bump commit MUST be named exactly the same 6. Releases
as the version string. The tag name can OPTIONALLY be prefixed with 1. To create a new release, you MUST create a git tag named as the exact
"v". For example the tag name can be either "2.11.4" or "v2.11.4". You version string of the release. This kind of tag MUST be referred to as a
MUST not use a mix of "v" prefixed and non-prefixed tags. Pick one form "release tag".
and stick to it. 2. The release tag name can OPTIONALLY be prefixed with "v". For example the
5. It is RECOMMENDED that release tags are lightweight tags, but you can tag name can be either "2.11.4" or "v2.11.4". It is however RECOMMENDED
that you do not use a "v" prefix. You MUST NOT use a mixture of "v"
prefixed and non-prefixed tags. Pick one form and stick to it.
3. If the version string is hard-coded into the code-base, you MUST create a
"version bump" commit which changes the hard-coded version string of the
project.
4. When using version bump commits, the release tag MUST be placed on the
version bump commit.
5. If you are not using a release branch, then the release tag, and if
relevant the version bump commit, MUST be created directly on the master
branch.
6. The version bump commit SHOULD have a commit message title of "Bump
version to VERSION". For example, if the new version string is "2.11.4",
the first line of the commit message SHOULD read: "Bump version to
2.11.4"
7. It is RECOMMENDED that release tags are lightweight tags, but you can
OPTIONALLY use annotated tags if you want to include changelog OPTIONALLY use annotated tags if you want to include changelog
information in the release tag itself. information in the release tag itself.
6. If you use annotated release tags, the first line of the annotation MUST 8. If you use annotated release tags, the first line of the annotation
read "Release VERSION". For example for version "2.11.4" the first line SHOULD read "Release VERSION". For example for version "2.11.4" the first
of the tag annotation would read "Release 2.11.4". The second line must line of the tag annotation SHOULD read "Release 2.11.4". The second line
be blank, and the changelog MUST start on the third line. MUST be blank, and the changelog MUST start on the third line.
6. Release Branches 7. Short-Term Release Branches
1. Any branch that has a name starting with "release-" SHOULD be referred to 1. Any branch that has a name starting with "release-" SHOULD be referred to
as a "release branch". as a "release branch".
2. Use of release branches is OPTIONAL. 2. Any release branch which has a name ending with a specific version
3. Changes in a release branch SHOULD typically come from work being string, MUST be referred to as a "short-term release branch".
done against the master branch. Meaning changes SHOULD only trickle 3. Use of short-term release branches are OPTIONAL, and intended to be used
downwards from the master branch. If a change needs to trickle back up to create a specific versioned release.
into the master branch, that work should have happened against the master 4. A short-term release branch is RECOMMENDED if there is a lengthy
branch in the first place. One exception to this is version bump commits. pre-release verification process to avoid a code freeze on the master
4. There are two types of release branches; short-term, and long-term. branch.
5. Short-Term Release Branches 5. Short-term release branches MUST have a name of "release-VERSION". For
1. Used for creating a specific versioned release. example for version "2.11.4" the release branch name MUST be
2. A short-term release branch is RECOMMENDED if there is a lengthy "release-2.11.4".
pre-release verification process to avoid a code freeze on the master 6. When using a short-term release branch to create a release, the release
branch. tag and if used, version bump commit, MUST be placed directly on the
3. MUST have a name of "release-VERSION". For example for version short-term release branch itself.
"2.11.4" the release branch name MUST be "release-2.11.4". 7. Only very minor changes should be performed on a short-term release
4. When using a short-term release branch, the version bump commit and branch directly. Any larger changes SHOULD be done in the master branch,
release tag MUST be made directly on the release branch itself. and SHOULD be pulled into the release branch by rebasing it on top of the
5. Only very minor changes should be performed on a short-term release master branch the same way a change branch pulls in updates from its
branch directly. Any larger changes SHOULD be done in the master source branch.
branch, and SHOULD be pulled into the release branch by rebasing it 8. After a release tag has been created, the release branch MUST be merged
on top of the master branch the same way a change branch pulls in back into its source branch and then deleted. Typically the source branch
updates from its source branch. will be the master branch.
6. After the version bump commit and release tag have been created, the 8. Long-term Release Branches
release branch MUST be merged back into its source branch and then 1. Any release branch which has a name ending with a non-specific version
deleted. Typically the source branch will be the master branch. string, MUST be referred to as a "long-term release branch". For example
6. Long-Term Release Branches "release-2.11" is a long-term release branch, while "release-2.11.4" is a
1. Used for work on versions which are not currently part of the master short-term release branch.
branch. Typically this is useful when you need to create a new 2. Use of long-term release branches are OPTIONAL, and intended for work on
maintenance release for a older version. versions which are not currently part of the master branch. Typically
2. The branch name MUST have a non-specific version number. For example this is useful when you need to create a new maintenance release for a
a long-term release branch for creating new 2.9.x releases would be older version.
named "release-2.9". 3. A long-term release branch MUST have a name with a non-specific version
3. To create a new release from a long-term release branch, you MUST number. For example a long-term release branch for creating new 2.9.x
create a version bump commit and release tag directly on the release releases MUST be named "release-2.9".
branch. 4. Long-term release branches for maintenance releases of older versions
4. A long-term release branch MUST be created from the relevant release MUST be created from the relevant release tag. For example if the master
tag. For example if the master branch is on version 2.11.4 and there branch is on version 2.11.4 and there is a security fix for all 2.9.x
is a security fix for all 2.9.x releases, the latest of which is releases, the latest of which is "2.9.7". Create a new branch called
"2.9.7". Create a new branch called "release-2.9" off of the "2.9.7" "release-2.9" off of the "2.9.7" release tag. The security fix release
release tag. The security fix release will then end up being version will then end up being version "2.9.8".
"2.9.8". 5. To create a new release from a long-term release branch, you MUST follow
7. Bug Fixes & Rollback the same process as a release from the master branch, except the
1. You MUST NOT under any circumstances force push to the master branch. long-term release branch takes the place of the master branch.
7. A long-term release branch should be treated with the same respect as the
master branch. It is effectively the master branch for the release series
in question. Meaning it MUST always be in a non-broken state, MUST NOT be
force pushed to, etc.
9. Bug Fixes & Rollback
1. You MUST NOT under any circumstances force push to the master branch or
to long-term release branches.
2. If a change branch which has been merged into the master branch is found 2. If a change branch which has been merged into the master branch is found
to have a bug in it, the bug fix work MUST be done as a new separate to have a bug in it, the bug fix work MUST be done as a new separate
change branch and MUST follow the same workflow as any other change change branch and MUST follow the same workflow as any other change
@@ -170,14 +217,15 @@ interpreted as described in [RFC 2119](https://tools.ietf.org/html/rfc2119).
reason the merge must be undone, you MUST undo the merge by reverting the reason the merge must be undone, you MUST undo the merge by reverting the
merge commit itself. Effectively creating a new commit that reverses all merge commit itself. Effectively creating a new commit that reverses all
the relevant changes. the relevant changes.
8. Git Best Practices 10. Git Best Practices
1. All commit messages SHOULD follow the Commit Guidelines and format from 1. All commit messages SHOULD follow the Commit Guidelines and format from
the official git the official git
documentation: documentation:
<https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project> <https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines>
2. You SHOULD never blindly commit all changes with "git commit -a". It is 2. You SHOULD never blindly commit all changes with "git commit -a". It is
RECOMMENDED you use "git add -i" to add individual changes to the staging RECOMMENDED you use "git add -i" or "git add -p" to add individual
area so you are fully aware of what you are committing. changes to the staging area so you are fully aware of what you are
committing.
3. You SHOULD always use "--force-with-lease" when doing a force push. The 3. You SHOULD always use "--force-with-lease" when doing a force push. The
regular "--force" option is dangerous and destructive. More regular "--force" option is dangerous and destructive. More
information: information:
@@ -193,6 +241,90 @@ interpreted as described in [RFC 2119](https://tools.ietf.org/html/rfc2119).
and creates a merge commit to mark the integration of the branch with and creates a merge commit to mark the integration of the branch with
master. master.
FAQ
---
### Why use Common-Flow instead of Git Flow, and how does it differ?
Common-Flow tries to be a lot less complicated than Git Flow by having fewer
types of branches, and simpler rules. Normal day to day development doesn't
really change much:
- You create change branches instead of feature branches, without the need of a
"feature/" or "change/" prefix in the branch name.
- Change branches are typically created off of and merged back into "master"
instead of "develop".
- Creating a release is done by simply creating a git tag, typically on the
master branch.
In detail, the main differences between Git Flow and Common-Flow are:
- There is no "develop" branch, there is only a "master" branch which contains
the latest work. In Git Flow the master branch effectively ends up just being
a pointer to the latest release, despite the fact that Git Flow includes
release tags too. In Common-Flow you just look at the tags to find the latest
release.
- There are no "feature" or "hotfix" branches, there's only "change"
branches. Any branch that is not master and introduces changes is a change
branch. Change branches also don't have a enforced naming convention, they
just have to have a "descriptive name". This makes things simpler and allows
more flexibility.
- Release branches are available, but optional. Instead of enforcing the use of
release branches like Git Flow, Common-Flow only recommends the use of release
branches when it makes things easier. If creating a new release by tagging
"master" works for you, great, do that.
### Why use Common-Flow instead of GitHub Flow, and how does it differ?
Common-Flow is essentially GitHub Flow with the addition of a "Release" concept
that uses tags. It also attempts to define how certain common tasks are done,
like updating change/feature branches from their source branches for
example. This is to help end arguments about how such things are done.
If a deployment/release for you is just getting the latest code in the master
branch out, without caring about bumping version numbers or anything, then
GitHub Flow is a good fit for you, and you probably don't need the extras of
Common-Flow.
However if your deployments/releases have specific version numbers, then
Common-Flow gives you a simple set of rules of how to create and manage
releases, on top of what GitHub Flow already does.
### What does "descriptive name" mean for change branches?
It means what it sounds like. The name should be descriptive, as in by just
reading the name of the branch you should understand what the branch's purpose
is and what it does. Here's a few examples:
- add-2fa-support
- fix-login-issue
- remove-sort-by-middle-name-functionality
- update-font-awesome
- change-search-behavior
- tweak-footer-style
Notice how none of these have any prefixes like "feature/" or "hotfix/", they're
not needed when branch names are properly descriptive. However there's nothing
to say you can't use such prefixes if you want. That also means that you can add
ticket number prefixes if your team/org has that as part of it's process.
### How do we release an emergency hotfix when the master branch is broken?
This should ideally never happen, however if it does you can do one of the
following:
- Review why the master branch is broken and revert the changes that caused the
issues. Then apply the hotfix and release.
- Or use a short-term release branch created from the latest release tag instead
of the master branch. Apply the hotfix to the release branch, create a release
tag on the release branch, and then merge it back into master.
In this situation, it is recommended you try to revert the offending changes
that's preventing a new release from master. But if that proves to be a
complicated task and you're short on time, a short-term release branch gives you
a instant fix to the situation at hand, and let's you resolve the issues with
the master branch when you have more time on your hands.
About About
----- -----

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---
title: Git Common-Flow 1.0.0-rc.3
version: 1.0.0-rc.3
---
Git Common-Flow 1.0.0-rc.3
===========================
<img src="/spec/1.0.0-rc.3.svg" width="100%" />
Summary
-------
Common-Flow is an attempt to gather a sensible selection of the most common
usage patterns of git into a single and concise specification. It is based on
the [original variant](http://scottchacon.com/2011/08/31/github-flow.html)
of [GitHub Flow](https://guides.github.com/introduction/flow/), while taking
into account how a lot of open source projects use git.
In short, Common-Flow is essentially GitHub Flow with the addition of versioned
releases, optional release branches, and without the requirement to deploy to
production all the time.
Terminology
-----------
- **Master Branch** - Must be named "master", must always have passing tests,
and is not guaranteed to always work in production environments.
- **Change Branches** - Any branch that introduces changes like a new feature, a
bug fix, etc.
- **Source Branch** - The branch that a change branch was created from. New
changes in the source branch should be incorporated into the change branch via
rebasing.
- **Merge Target** - A branch that is the intended merge target for a change
branch. Typically the merge target branch will be the same as the source
branch.
- **Pull Request** - A means of requesting that a change branch is merged in to
its merge target, allowing others to review, discuss and approve the changes.
- **Release** - May be considered safe to use in production
environments. Consists of a version bump commit, and a git tag named according
to the new version string placed on said commit.
- **Release Branches** - Used both for short-term preparations of a release, and
also for long-term maintenance of older version.
Git Common-Flow Specification (Common-Flow)
-------------------------------------------
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
interpreted as described in [RFC 2119](https://tools.ietf.org/html/rfc2119).
1. TL;DR
1. Don't break the master branch.
2. A release is a git tag.
2. The Master Branch
1. A branch named "master" MUST exist and it MUST be referred to as the
"master branch".
2. The master branch MUST always be in a non-broken state with its test
suite passing.
4. The master branch IS NOT guaranteed to always work in production
environments. Despite test suites passing it may at times contain
unfinished work. Only releases may be considered safe for production use.
5. The master branch SHOULD always be in a "as near as possibly ready for
release/production" state to reduce any friction with creating a new
release.
3. Change Branches
1. Each change (feature, bugfix, etc.) MUST be performed on separate
branches that SHOULD be referred to as "change branches". All change
branches MUST have descriptive names. It is RECOMMENDED that you commit
often locally, and you SHOULD regularly push your work to the same named
branch on the remote server.
2. You MUST create separate change branches for each distinctly different
change. You MUST NOT include multiple unrelated changes into a single
change branch.
3. When a change branch is created, the branch that it is created from
SHOULD be referred to as the "source branch". Each change branch also
needs a designated "merge target" branch, typically this will be the same
as the source branch.
4. Change branches MUST be regularly updated with any changes from their
source branch. This MUST be done by rebasing the change branch on top of
the source branch.
5. After rebasing a change branch on top of its source branch you MUST push
the change branch to the remote server. This will require you to do a
force push, and you SHOULD use the "--force-with-lease" git push option.
4. Pull Requests
1. To merge a change branch into its merge target, you MUST open a "pull
request" (or equivalent) so others can review and approve your changes.
2. A pull request MUST only be merged when the change branch is up-to-date
with its source branch, the test suite is passing, and you and others are
happy with the change. This is especially important if the merge target
is the master branch.
3. To get feedback, help, or generally just discuss a change branch with
others, the RECOMMENDED way to do so is by creating a pull request and
discuss the changes with others there.
5. Versioning
1. The project MUST have its version hard-coded somewhere in the
code-base. It is RECOMMENDED that this is done in a file called "VERSION"
located in the root of the project.
2. If you are using a "VERSION" file in the root of the project, this MUST
only contain the exact version string.
3. The version string SHOULD follow the Semantic Versioning
(<http://semver.org/>) format. Use of Semantic Versioning is OPTIONAL,
but the version string MUST NOT have a "v" prefix. For example "v2.11.4"
is bad, and "2.11.4" is good.
6. Releases
1. To create a new release, you MUST create a "version bump" commit which
changes the hard-coded version string of the project. The version bump
commit MUST have a git tag created on it and named as the exact version
string.
2. If you are not using a release branch, then the version bump commit MUST
be created directly on the master branch.
3. The version bump commit MUST have a commit message title of "Bump version
to VERSION". For example, if the new version string is "2.11.4", the
first line of the commit message MUST read: "Bump version to 2.11.4"
4. The release tag on the version bump commit MUST be named exactly the same
as the version string. The tag name can OPTIONALLY be prefixed with
"v". For example the tag name can be either "2.11.4" or "v2.11.4". You
MUST not use a mix of "v" prefixed and non-prefixed tags. Pick one form
and stick to it.
5. It is RECOMMENDED that release tags are lightweight tags, but you can
OPTIONALLY use annotated tags if you want to include changelog
information in the release tag itself.
6. If you use annotated release tags, the first line of the annotation MUST
read "Release VERSION". For example for version "2.11.4" the first line
of the tag annotation would read "Release 2.11.4". The second line must
be blank, and the changelog MUST start on the third line.
7. Release Branches
1. Any branch that has a name starting with "release-" SHOULD be referred to
as a "release branch".
2. Use of release branches is OPTIONAL.
3. Changes in a release branch SHOULD typically come from work being
done against the master branch. Meaning changes SHOULD only trickle
downwards from the master branch. If a change needs to trickle back up
into the master branch, that work should have happened against the master
branch in the first place. One exception to this is version bump commits.
4. There are two types of release branches; short-term, and long-term.
5. Short-Term Release Branches
1. Used for creating a specific versioned release.
2. A short-term release branch is RECOMMENDED if there is a lengthy
pre-release verification process to avoid a code freeze on the master
branch.
3. MUST have a name of "release-VERSION". For example for version
"2.11.4" the release branch name MUST be "release-2.11.4".
4. When using a short-term release branch, the version bump commit and
release tag MUST be made directly on the release branch itself.
5. Only very minor changes should be performed on a short-term release
branch directly. Any larger changes SHOULD be done in the master
branch, and SHOULD be pulled into the release branch by rebasing it
on top of the master branch the same way a change branch pulls in
updates from its source branch.
6. After the version bump commit and release tag have been created, the
release branch MUST be merged back into its source branch and then
deleted. Typically the source branch will be the master branch.
6. Long-Term Release Branches
1. Used for work on versions which are not currently part of the master
branch. Typically this is useful when you need to create a new
maintenance release for a older version.
2. The branch name MUST have a non-specific version number. For example
a long-term release branch for creating new 2.9.x releases would be
named "release-2.9".
3. To create a new release from a long-term release branch, you MUST
create a version bump commit and release tag directly on the release
branch.
4. A long-term release branch MUST be created from the relevant release
tag. For example if the master branch is on version 2.11.4 and there
is a security fix for all 2.9.x releases, the latest of which is
"2.9.7". Create a new branch called "release-2.9" off of the "2.9.7"
release tag. The security fix release will then end up being version
"2.9.8".
8. Bug Fixes & Rollback
1. You MUST NOT under any circumstances force push to the master branch.
2. If a change branch which has been merged into the master branch is found
to have a bug in it, the bug fix work MUST be done as a new separate
change branch and MUST follow the same workflow as any other change
branch.
3. If a change branch is wrongfully merged into master, or for any other
reason the merge must be undone, you MUST undo the merge by reverting the
merge commit itself. Effectively creating a new commit that reverses all
the relevant changes.
9. Git Best Practices
1. All commit messages SHOULD follow the Commit Guidelines and format from
the official git
documentation:
<https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines>
2. You SHOULD never blindly commit all changes with "git commit -a". It is
RECOMMENDED you use "git add -i" to add individual changes to the staging
area so you are fully aware of what you are committing.
3. You SHOULD always use "--force-with-lease" when doing a force push. The
regular "--force" option is dangerous and destructive. More
information:
<https://developer.atlassian.com/blog/2015/04/force-with-lease/>
4. You SHOULD understand and be comfortable with
rebasing: <https://git-scm.com/book/en/v2/Git-Branching-Rebasing>
5. It is RECOMMENDED that you always do "git pull --rebase" instead of "git
pull" to avoid unnecessary merge commits. You can make this the default
behavior of "git pull" with "git config --global pull.rebase true".
6. It is RECOMMENDED that all branches be merged using "git merge --no-ff".
This makes sure the reference to the original branch is kept in the
commits, allows one to revert a merge by reverting a single merge commit,
and creates a merge commit to mark the integration of the branch with
master.
About
-----
The Git Common-Flow specification is authored
by [Jim Myhrberg](http://jimeh.me).
If you'd like to leave feedback,
please [open an issue on GitHub](https://github.com/jimeh/common-flow/issues).
License
-------
[Creative Commons - CC BY 3.0](http://creativecommons.org/licenses/by/3.0/)

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---
title: Git Common-Flow 1.0.0-rc.4
version: 1.0.0-rc.4
---
Git Common-Flow 1.0.0-rc.4
===========================
<img src="/spec/1.0.0-rc.4.svg" width="100%" />
Summary
-------
Common-Flow is an attempt to gather a sensible selection of the most common
usage patterns of git into a single and concise specification. It is based on
the [original variant](http://scottchacon.com/2011/08/31/github-flow.html)
of [GitHub Flow](https://guides.github.com/introduction/flow/), while taking
into account how a lot of open source projects use git.
In short, Common-Flow is essentially GitHub Flow with the addition of versioned
releases, optional release branches, and without the requirement to deploy to
production all the time.
Terminology
-----------
- **Master Branch** - Must be named "master", must always have passing tests,
and is not guaranteed to always work in production environments.
- **Change Branches** - Any branch that introduces changes like a new feature, a
bug fix, etc.
- **Source Branch** - The branch that a change branch was created from. New
changes in the source branch should be incorporated into the change branch via
rebasing.
- **Merge Target** - A branch that is the intended merge target for a change
branch. Typically the merge target branch will be the same as the source
branch.
- **Pull Request** - A means of requesting that a change branch is merged in to
its merge target, allowing others to review, discuss and approve the changes.
- **Release** - May be considered safe to use in production environments. Is
effectively just a git tag named after the version of the release.
- **Release Branches** - Used both for short-term preparations of a release, and
also for long-term maintenance of older version.
Git Common-Flow Specification (Common-Flow)
-------------------------------------------
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
"SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
interpreted as described in [RFC 2119](https://tools.ietf.org/html/rfc2119).
1. TL;DR
1. Don't break the master branch.
2. A release is a git tag.
2. The Master Branch
1. A branch named "master" MUST exist and it MUST be referred to as the
"master branch".
2. The master branch MUST always be in a non-broken state with its test
suite passing.
4. The master branch IS NOT guaranteed to always work in production
environments. Despite test suites passing it may at times contain
unfinished work. Only releases may be considered safe for production use.
5. The master branch SHOULD always be in a "as near as possibly ready for
release/production" state to reduce any friction with creating a new
release.
3. Change Branches
1. Each change (feature, bugfix, etc.) MUST be performed on separate
branches that SHOULD be referred to as "change branches".
2. All change branches MUST have descriptive names.
3. It is RECOMMENDED that you commit often locally, and that you try and
keep the commits reasonably structured to avoid a messy and confusing git
history.
4. You SHOULD regularly push your work to the same named branch on the
remote server.
5. You SHOULD create separate change branches for each distinctly different
change. You SHOULD NOT include multiple unrelated changes into a single
change branch.
6. When a change branch is created, the branch that it is created from
SHOULD be referred to as the "source branch". Each change branch also
needs a designated "merge target" branch, typically this will be the same
as the source branch.
7. Change branches MUST be regularly updated with any changes from their
source branch. This MUST be done by rebasing the change branch on top of
the source branch.
8. After updating a change branch from its source branch you MUST push the
change branch to the remote server. Due to the nature of rebasing, you
will be required to do a force push, and you MUST use the
"--force-with-lease" git push option when doing so instead of the regular
"--force".
9. If there is a truly valid technical reason to not use rebase when
updating change branches, then you can update change branches via merge
instead of rebase. The decision to use merge MUST only be taken after all
possible options to use rebase have been tried and failed. People not
understanding how to use rebase is NOT a valid reason to use merge. If
you do decide to use merge instead of rebase, you MUST NOT use a mixture
of both methods, pick one and stick to it.
4. Pull Requests
1. To merge a change branch into its merge target, you MUST open a "pull
request" (or equivalent).
2. The purpose of a pull request is to allow others to review your changes
and give feedback. You can then fix any issues, complaints, and more that
might arise, and then let people review again.
3. Before creating a pull request, it is RECOMMENDED that you consider the
state of your change branch's commit history. If it is messy and
confusing, it might be a good idea to rebase your branch with "git rebase
-i" to present a cleaner and easier to follow commit history for your
reviewers.
4. A pull request MUST only be merged when the change branch is up-to-date
with its source branch, the test suite is passing, and you and others are
happy with the change. This is especially important if the merge target
is the master branch.
5. To get feedback, help, or generally just discuss a change branch with
others, the RECOMMENDED way to do so is by creating a pull request and
discuss the changes with others there.
5. Versioning
1. A "version string" is a typically mostly numeric string that identifies a
specific version of a project. The version string itself MUST NOT have a
"v" prefix, but the version string can be displayed with a "v" prefix to
indicate it is a version that is being referred to.
2. The source of truth for a project's version MUST be a git tag with a name
based on the version string. This kind of tag MUST be referred to as a
"release tag".
3. It is OPTIONAL, but RECOMMENDED to also keep the version string
hard-coded somewhere in the project code-base.
4. If you hard-code the version string into the code-base, it is RECOMMENDED
that you do so in a file called "VERSION" located in the root of the
project. But be mindful of the conventions of your programming language
and community when choosing if, where and how to hard-code the version
string.
5. If you are using a "VERSION" file in the root of the project, this file
MUST only contain the exact version string, meaning it MUST NOT have a
"v" prefix. For example "v2.11.4" is bad, and "2.11.4" is good.
6. It is OPTIONAL, but RECOMMENDED that that the version string follows
Semantic Versioning (<http://semver.org/>).
6. Releases
1. To create a new release, you MUST create a git tag named as the exact
version string of the release. This kind of tag MUST be referred to as a
"release tag".
2. The release tag name can OPTIONALLY be prefixed with "v". For example the
tag name can be either "2.11.4" or "v2.11.4". It is however RECOMMENDED
that you do not use a "v" prefix. You MUST NOT use a mixture of "v"
prefixed and non-prefixed tags. Pick one form and stick to it.
3. If the version string is hard-coded into the code-base, you MUST create a
"version bump" commit which changes the hard-coded version string of the
project.
4. When using version bump commits, the release tag MUST be placed on the
version bump commit.
5. If you are not using a release branch, then the release tag, and if
relevant the version bump commit, MUST be created directly on the master
branch.
6. The version bump commit SHOULD have a commit message title of "Bump
version to VERSION". For example, if the new version string is "2.11.4",
the first line of the commit message SHOULD read: "Bump version to
2.11.4"
7. It is RECOMMENDED that release tags are lightweight tags, but you can
OPTIONALLY use annotated tags if you want to include changelog
information in the release tag itself.
8. If you use annotated release tags, the first line of the annotation
SHOULD read "Release VERSION". For example for version "2.11.4" the first
line of the tag annotation SHOULD read "Release 2.11.4". The second line
MUST be blank, and the changelog MUST start on the third line.
7. Short-Term Release Branches
1. Any branch that has a name starting with "release-" SHOULD be referred to
as a "release branch".
2. Any release branch which has a name ending with a specific version
string, MUST be referred to as a "short-term release branch".
3. Use of short-term release branches are OPTIONAL, and intended to be used
to create a specific versioned release.
4. A short-term release branch is RECOMMENDED if there is a lengthy
pre-release verification process to avoid a code freeze on the master
branch.
5. Short-term release branches MUST have a name of "release-VERSION". For
example for version "2.11.4" the release branch name MUST be
"release-2.11.4".
6. When using a short-term release branch to create a release, the release
tag and if used, version bump commit, MUST be placed directly on the
short-term release branch itself.
7. Only very minor changes should be performed on a short-term release
branch directly. Any larger changes SHOULD be done in the master branch,
and SHOULD be pulled into the release branch by rebasing it on top of the
master branch the same way a change branch pulls in updates from its
source branch.
8. After a release tag has been created, the release branch MUST be merged
back into its source branch and then deleted. Typically the source branch
will be the master branch.
8. Long-term Release Branches
1. Any release branch which has a name ending with a non-specific version
string, MUST be referred to as a "long-term release branch". For example
"release-2.11" is a long-term release branch, while "release-2.11.4" is a
short-term release branch.
2. Use of long-term release branches are OPTIONAL, and intended for work on
versions which are not currently part of the master branch. Typically
this is useful when you need to create a new maintenance release for a
older version.
3. A long-term release branch MUST have a name with a non-specific version
number. For example a long-term release branch for creating new 2.9.x
releases MUST be named "release-2.9".
4. Long-term release branches for maintenance releases of older versions
MUST be created from the relevant release tag. For example if the master
branch is on version 2.11.4 and there is a security fix for all 2.9.x
releases, the latest of which is "2.9.7". Create a new branch called
"release-2.9" off of the "2.9.7" release tag. The security fix release
will then end up being version "2.9.8".
5. To create a new release from a long-term release branch, you MUST follow
the same process as a release from the master branch, except the
long-term release branch takes the place of the master branch.
7. A long-term release branch should be treated with the same respect as the
master branch. It is effectively the master branch for the release series
in question. Meaning it MUST always be in a non-broken state, MUST NOT be
force pushed to, etc.
9. Bug Fixes & Rollback
1. You MUST NOT under any circumstances force push to the master branch or
to long-term release branches.
2. If a change branch which has been merged into the master branch is found
to have a bug in it, the bug fix work MUST be done as a new separate
change branch and MUST follow the same workflow as any other change
branch.
3. If a change branch is wrongfully merged into master, or for any other
reason the merge must be undone, you MUST undo the merge by reverting the
merge commit itself. Effectively creating a new commit that reverses all
the relevant changes.
10. Git Best Practices
1. All commit messages SHOULD follow the Commit Guidelines and format from
the official git
documentation:
<https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines>
2. You SHOULD never blindly commit all changes with "git commit -a". It is
RECOMMENDED you use "git add -i" or "git add -p" to add individual
changes to the staging area so you are fully aware of what you are
committing.
3. You SHOULD always use "--force-with-lease" when doing a force push. The
regular "--force" option is dangerous and destructive. More
information:
<https://developer.atlassian.com/blog/2015/04/force-with-lease/>
4. You SHOULD understand and be comfortable with
rebasing: <https://git-scm.com/book/en/v2/Git-Branching-Rebasing>
5. It is RECOMMENDED that you always do "git pull --rebase" instead of "git
pull" to avoid unnecessary merge commits. You can make this the default
behavior of "git pull" with "git config --global pull.rebase true".
6. It is RECOMMENDED that all branches be merged using "git merge --no-ff".
This makes sure the reference to the original branch is kept in the
commits, allows one to revert a merge by reverting a single merge commit,
and creates a merge commit to mark the integration of the branch with
master.
FAQ
---
### Why use Common-Flow instead of Git Flow, and how does it differ?
Common-Flow tries to be a lot less complicated than Git Flow by having fewer
types of branches, and simpler rules. Normal day to day development doesn't
really change much:
- You create change branches instead of feature branches, without the need of a
"feature/" or "change/" prefix in the branch name.
- Change branches are typically created off of and merged back into "master"
instead of "develop".
- Creating a release is done by simply creating a git tag, typically on the
master branch.
In detail, the main differences between Git Flow and Common-Flow are:
- There is no "develop" branch, there is only a "master" branch which contains
the latest work. In Git Flow the master branch effectively ends up just being
a pointer to the latest release, despite the fact that Git Flow includes
release tags too. In Common-Flow you just look at the tags to find the latest
release.
- There are no "feature" or "hotfix" branches, there's only "change"
branches. Any branch that is not master and introduces changes is a change
branch. Change branches also don't have a enforced naming convention, they
just have to have a "descriptive name". This makes things simpler and allows
more flexibility.
- Release branches are available, but optional. Instead of enforcing the use of
release branches like Git Flow, Common-Flow only recommends the use of release
branches when it makes things easier. If creating a new release by tagging
"master" works for you, great, do that.
### Why use Common-Flow instead of GitHub Flow, and how does it differ?
Common-Flow is essentially GitHub Flow with the addition of a "Release" concept
that uses tags. It also attempts to define how certain common tasks are done,
like updating change/feature branches from their source branches for
example. This is to help end arguments about how such things are done.
If a deployment/release for you is just getting the latest code in the master
branch out, without caring about bumping version numbers or anything, then
GitHub Flow is a good fit for you, and you probably don't need the extras of
Common-Flow.
However if your deployments/releases have specific version numbers, then
Common-Flow gives you a simple set of rules of how to create and manage
releases, on top of what GitHub Flow already does.
### What does "descriptive name" mean for change branches?
It means what it sounds like. The name should be descriptive, as in by just
reading the name of the branch you should understand what the branch's purpose
is and what it does. Here's a few examples:
- add-2fa-support
- fix-login-issue
- remove-sort-by-middle-name-functionality
- update-font-awesome
- change-search-behavior
- tweak-footer-style
Notice how none of these have any prefixes like "feature/" or "hotfix/", they're
not needed when branch names are properly descriptive. However there's nothing
to say you can't use such prefixes if you want. That also means that you can add
ticket number prefixes if your team/org has that as part of it's process.
### How do we release an emergency hotfix when the master branch is broken?
This should ideally never happen, however if it does you can do one of the
following:
- Review why the master branch is broken and revert the changes that caused the
issues. Then apply the hotfix and release.
- Or use a short-term release branch created from the latest release tag instead
of the master branch. Apply the hotfix to the release branch, create a release
tag on the release branch, and then merge it back into master.
In this situation, it is recommended you try to revert the offending changes
that's preventing a new release from master. But if that proves to be a
complicated task and you're short on time, a short-term release branch gives you
a instant fix to the situation at hand, and let's you resolve the issues with
the master branch when you have more time on your hands.
About
-----
The Git Common-Flow specification is authored
by [Jim Myhrberg](http://jimeh.me).
If you'd like to leave feedback,
please [open an issue on GitHub](https://github.com/jimeh/common-flow/issues).
License
-------
[Creative Commons - CC BY 3.0](http://creativecommons.org/licenses/by/3.0/)

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