chore(release): 0.6.18

This enables the original C source to be linked to when describing
entities which are written in C.

CHANGELOG.md

@@ -2,6 +2,18 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [0.6.18](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.17...v0.6.18) (2021-10-23)
+
+
+### Features
+
+* **docs:** embed C source files and set source-directory accordingly ([67b8c5f](https://github.com/jimeh/build-emacs-for-macos/commit/67b8c5f3974e178e31519846d46af82d9770ad6e))
+
+
+### Bug Fixes
+
+* **patches:** correctly use emacs 28.x and 29.x patches ([4dad581](https://github.com/jimeh/build-emacs-for-macos/commit/4dad5812fa2b67adc7262a778829013995a904bc))
+
 ### [0.6.17](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.16...v0.6.17) (2021-10-10)
 
 

build-emacs-for-macos

@@ -107,6 +107,7 @@ class Build
     handle_native_lisp(app)
     add_cli_helper(app)
 
+    CSourcesEmbedder.new(app, @source_dir).embed
     LibEmbedder.new(app, brew_dir, extra_libs, options[:relink_eln]).embed
     GccLibEmbedder.new(app, gcc_info).embed if options[:native_comp]
 
@@ -640,8 +641,10 @@ class Build
         'emacs-26'
       when /^emacs-27.*/
         'emacs-27'
-      else
+      when /^emacs-28.*/
         'emacs-28'
+      else
+        'emacs-29'
       end
     end
   end
@@ -649,14 +652,14 @@ class Build
   def patches(opts = {})
     p = []
 
-    if %w[emacs-26 emacs-27 emacs-28].include?(effective_version)
+    if %w[emacs-26 emacs-27 emacs-28 emacs-29].include?(effective_version)
       p << {
         url: 'https://github.com/d12frosted/homebrew-emacs-plus/raw/master/' \
              "patches/#{effective_version}/fix-window-role.patch"
       }
     end
 
-    if %w[emacs-27 emacs-28].include?(effective_version)
+    if %w[emacs-27 emacs-28 emacs-29].include?(effective_version)
       p << {
         url: 'https://github.com/d12frosted/homebrew-emacs-plus/raw/master/' \
              "patches/#{effective_version}/system-appearance.patch"
@@ -756,6 +759,38 @@ class AbstractEmbedder
   def lib_dir
     File.join(invocation_dir, 'lib')
   end
+
+  def resources_dir
+    File.join(app, 'Contents', 'Resources')
+  end
+end
+
+class CSourcesEmbedder < AbstractEmbedder
+  attr_reader :source_dir
+  def initialize(app, source_dir)
+    super(app)
+
+    @source_dir = source_dir
+  end
+
+  def embed
+    info 'Embedding C source files into Emacs.app for documentation purposes'
+
+    FileUtils.cp_r(
+      File.join(source_dir, 'src'),
+      File.join(resources_dir, 'src')
+    )
+
+    File.open(subdirs_el_file, 'a') do |f|
+      f.puts("(setq source-directory (expand-file-name \"..\"))\n")
+    end
+  end
+
+  private
+
+  def subdirs_el_file
+    @subdirs_el_file ||= File.join(resources_dir, 'lisp', 'subdirs.el')
+  end
 end
 
 class LibEmbedder < AbstractEmbedder