docs: add CLAUDE.md for project guidance

- Introduced CLAUDE.md to provide comprehensive guidance on the macOS Emacs building system, including project overview, common commands, architecture details, and testing instructions.
chore(deps): add macOS SDK version 26
2026-02-19 13:06:38 +00:00 · 2026-01-14 18:56:25 +00:00 · 2026-01-14 18:53:56 +00:00 · 2026-01-14 18:50:55 +00:00 · 2025-09-14 21:01:51 +01:00 · 2025-09-14 20:58:12 +01:00
49 changed files with 4227 additions and 1182 deletions
--- a/.github/.release-please-manifest.json
+++ b/.github/.release-please-manifest.json
@@ -0,0 +1,3 @@
+{
+  ".": "0.6.63"
+}
--- a/.github/release-please-config.json
+++ b/.github/release-please-config.json
@@ -0,0 +1,15 @@
+{
+  "bootstrap-sha": "3d6c7fff64bda8ba0dbea181c9f94fb9716dd188",
+  "always-update": true,
+  "packages": {
+    ".": {
+      "release-type": "simple",
+      "changelog-path": "CHANGELOG.md",
+      "bump-minor-pre-major": true,
+      "bump-patch-for-minor-pre-major": true,
+      "draft": false,
+      "prerelease": false
+    }
+  },
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json"
+}
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,17 +1,22 @@
 ---
 name: CI
 on: [push]
+permissions:
+  contents: read

 jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v2
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
        with:
-          version: v1.40
+          go-version-file: go.mod
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v8
+        with:
+          version: v2.1
        env:
          VERBOSE: "true"

@@ -19,16 +24,10 @@ jobs:
    name: Tidy
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-go@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
        with:
-          go-version: 1.16
-      - uses: actions/cache@v2
-        with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          go-version-file: go.mod
      - name: Check if mods are tidy
        run: make check-tidy

@@ -36,17 +35,24 @@ jobs:
    name: Test
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-go@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
        with:
-          go-version: 1.16
-      - uses: actions/cache@v2
-        with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
+          go-version-file: go.mod
      - name: Run tests
        run: make test
        env:
          VERBOSE: "true"
+
+  release-please:
+    name: Release Please
+    runs-on: ubuntu-latest
+    if: ${{ github.ref_name == 'main' || github.ref_name == 'master' }}
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - uses: jimeh/release-please-manifest-action@v2
+        with:
+          app-id: ${{ secrets.RELEASE_BOT_APP_ID }}
+          private-key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 .DS_Store
 .envrc
 Formula/*
-Gemfile.lock
 bin
 builds
 sources
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,44 +1,21 @@
-linters-settings:
-  funlen:
-    lines: 100
-    statements: 150
-  goconst:
-    min-occurrences: 5
-  gocyclo:
-    min-complexity: 20
-  govet:
-    check-shadowing: true
-    enable-all: true
-    disable:
-      - fieldalignment
-  lll:
-    line-length: 80
-    tab-width: 4
-  maligned:
-    suggest-new: true
-  misspell:
-    locale: US
-
+version: "2"
+run:
+  modules-download-mode: readonly
+  allow-parallel-runners: true
 linters:
-  disable-all: true
+  default: none
  enable:
    - bodyclose
-    - deadcode
-    - depguard
+    - copyloopvar
    - dupl
    - errcheck
-    - exportloopref
    - funlen
    - gochecknoinits
    - goconst
    - gocritic
    - gocyclo
-    - gofumpt
-    - goimports
-    - goprintffuncname
    - goprintffuncname
    - gosec
-    - gosimple
    - govet
    - ineffassign
    - lll
@@ -50,40 +27,69 @@ linters:
    - revive
    - sqlclosecheck
    - staticcheck
-    - structcheck
-    - typecheck
    - unconvert
    - unused
-    - varcheck
    - whitespace
-
-issues:
-  include:
-  # - EXC0002 # disable excluding of issues about comments from golint
-  exclude:
-    - Using the variable on range scope `tt` in function literal
-    - Using the variable on range scope `tc` in function literal
-  exclude-rules:
-    - path: "_test\\.go"
-      linters:
-        - funlen
-        - dupl
-        - goconst
-    - source: "^//go:generate "
-      linters:
-        - lll
-    - source: "`json:"
-      linters:
-        - lll
-    - source: "`yaml:"
-      linters:
-        - lll
-
-run:
-  skip-dirs:
-    - builds
-    - sources
-    - tarballs
-  timeout: 2m
-  allow-parallel-runners: true
-  modules-download-mode: readonly
+  settings:
+    funlen:
+      lines: 100
+      statements: 150
+    goconst:
+      min-occurrences: 5
+    gocyclo:
+      min-complexity: 20
+    govet:
+      disable:
+        - fieldalignment
+      enable-all: true
+    lll:
+      line-length: 80
+      tab-width: 4
+    misspell:
+      locale: US
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling
+    rules:
+      - linters:
+          - dupl
+          - funlen
+          - goconst
+        path: _test\.go
+      - linters:
+          - lll
+        source: "^//go:generate "
+      - linters:
+          - lll
+        source: "`json:"
+      - linters:
+          - lll
+        source: "`yaml:"
+      - path: (.+)\.go$
+        text: Using the variable on range scope `tt` in function literal
+      - path: (.+)\.go$
+        text: Using the variable on range scope `tc` in function literal
+    paths:
+      - builds
+      - sources
+      - tarballs
+      - third_party$
+      - builtin$
+      - examples$
+formatters:
+  enable:
+    - gofumpt
+    - goimports
+  exclusions:
+    generated: lax
+    paths:
+      - builds
+      - sources
+      - tarballs
+      - third_party$
+      - builtin$
+      - examples$
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,9 +1,30 @@
 AllCops:
-  TargetRubyVersion: 2.3
+  TargetRubyVersion: 2.4
  NewCops: enable

 Layout/LineLength:
  Max: 80

+Style/AccessorGrouping:
+  Enabled: false
+
 Style/Documentation:
  Enabled: false
+
+Metrics/AbcSize:
+  Enabled: false
+
+Metrics/BlockLength:
+  Enabled: false
+
+Metrics/ClassLength:
+  Enabled: false
+
+Metrics/CyclomaticComplexity:
+  Enabled: false
+
+Metrics/MethodLength:
+  Enabled: false
+
+Metrics/PerceivedComplexity:
+  Enabled: false
--- a/.versionrc.js
+++ b/.versionrc.js
@@ -1 +0,0 @@
-module.exports = {};
--- a/5
+++ b/5
@@ -2,7 +2,7 @@

 brew 'autoconf'
 brew 'coreutils'
-brew 'curl'
+brew 'dbus'
 brew 'expat'
 brew 'gcc'
 brew 'gmp'
@@ -22,5 +22,8 @@ brew 'make'
 brew 'ncurses'
 brew 'nettle'
 brew 'pkg-config'
+brew 'sqlite'
 brew 'texinfo'
+brew 'tree-sitter'
+brew 'webp'
 brew 'zlib'
--- a/Brewfile.ci
+++ b/Brewfile.ci
@@ -1,3 +0,0 @@
-# frozen_string_literal: true
-
-brew 'python'
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,325 @@
 # Changelog

-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.
+## [0.6.63](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.62...v0.6.63) (2025-09-14)
+
+
+### Features
+
+* **icon:** add support for custom application icons via --icon-uri option ([607076a](https://github.com/jimeh/build-emacs-for-macos/commit/607076a91bf0f227d16c9404f01a64144290685a))
+* **icon:** add support for Tahoe icons with --tahoe-icon-uri and --tahoe-icon-name options ([b5ed388](https://github.com/jimeh/build-emacs-for-macos/commit/b5ed3887c172540de4a6190072b1e15f5d5efe2c))
+
+## [0.6.62](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.61...v0.6.62) (2025-09-14)
+
+
+### Features
+
+* **deps/nix:** upgrade build-time dependencies ([2086a77](https://github.com/jimeh/build-emacs-for-macos/commit/2086a773ae6bf5f4c2e6863d1b06a85acc082e6d))
+
+## [0.6.61](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.60...v0.6.61) (2025-08-13)
+
+
+### Bug Fixes
+
+* **emacs-31-builds:** disable fix-window-role patch after it was merged upstream ([7aa4058](https://github.com/jimeh/build-emacs-for-macos/commit/7aa405812802abbd2b78d8c98aee7fca23a2eab2))
+
+## [0.6.60](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.59...v0.6.60) (2025-06-27)
+
+
+### Bug Fixes
+
+* **builder/cask:** correctly resolve version with build variant to release name ([#140](https://github.com/jimeh/build-emacs-for-macos/issues/140)) ([8ac1f94](https://github.com/jimeh/build-emacs-for-macos/commit/8ac1f946dde2342fa82aff7f90d2126bdd1f0057))
+
+## [0.6.59](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.58...v0.6.59) (2025-06-27)
+
+
+### Bug Fixes
+
+* **builder/plan:** append test build name to release name ([#138](https://github.com/jimeh/build-emacs-for-macos/issues/138)) ([e888540](https://github.com/jimeh/build-emacs-for-macos/commit/e8885400e66bdb9304f99d9b072aa4dec4e83f4b))
+
+## [0.6.58](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.57...v0.6.58) (2025-06-27)
+
+
+### Features
+
+* **builder/plan:** add build variant flag ([#137](https://github.com/jimeh/build-emacs-for-macos/issues/137)) ([ca8b874](https://github.com/jimeh/build-emacs-for-macos/commit/ca8b874be2c8c52cd7dcb05ff1348469e16c74ba))
+
+
+### Bug Fixes
+
+* **deps:** work around duplicate RPATHs in libgccjit from Nix ([#134](https://github.com/jimeh/build-emacs-for-macos/issues/134)) ([3cf1977](https://github.com/jimeh/build-emacs-for-macos/commit/3cf1977def02d1f3732b1051bc07a923557f9edd))
+
+## [0.6.57](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.56...v0.6.57) (2024-12-07)
+
+
+### Features
+
+* **patches/alpha-background:** add experimental alpha-background patch ([#129](https://github.com/jimeh/build-emacs-for-macos/issues/129)) ([c53c398](https://github.com/jimeh/build-emacs-for-macos/commit/c53c398cace6479a9c188e46196462791960abee)), closes [#111](https://github.com/jimeh/build-emacs-for-macos/issues/111)
+
+## [0.6.56](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.55...v0.6.56) (2024-12-03)
+
+
+### Features
+
+* **options:** add --patch option which accepts file path or URL ([#127](https://github.com/jimeh/build-emacs-for-macos/issues/127)) ([66ccd9c](https://github.com/jimeh/build-emacs-for-macos/commit/66ccd9c6fd077d558eae484cdbab831486fbfd58))
+
+
+### Bug Fixes
+
+* **patches:** improve chance of successful patch application by using -l ([d396165](https://github.com/jimeh/build-emacs-for-macos/commit/d396165808ab5852566e7ff6bcc23d47ddfdfdee))
+
+## [0.6.55](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.54...v0.6.55) (2024-12-03)
+
+
+### Features
+
+* **nix/deps:** update nixpkgs from 24.11-beta to 24.11 ([e030fee](https://github.com/jimeh/build-emacs-for-macos/commit/e030fee6704618b7ddefea7424dff4e94f43e84d))
+
+## [0.6.54](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.53...v0.6.54) (2024-12-01)
+
+
+### Features
+
+* **startup:** replace bundled site-start.el approach with a custom source patch ([#124](https://github.com/jimeh/build-emacs-for-macos/issues/124)) ([03ed54c](https://github.com/jimeh/build-emacs-for-macos/commit/03ed54ca78ce15b61f5c875f97410b3ff21ecd62))
+
+## [0.6.53](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.52...v0.6.53) (2024-12-01)
+
+
+### Bug Fixes
+
+* **help:** correct formatting of help text output ([db72381](https://github.com/jimeh/build-emacs-for-macos/commit/db723817bf6c0ac85da1790a1d50fbea774cc0c0))
+
+## [0.6.52](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.51...v0.6.52) (2024-11-30)
+
+
+### Bug Fixes
+
+* **nix/flake:** rename flake-package-versions.txt to flake.pkgs ([d7723ee](https://github.com/jimeh/build-emacs-for-macos/commit/d7723ee766574b6597997de7c54fb7ed7f37965c))
+
+## [0.6.51](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.50...v0.6.51) (2024-11-28)
+
+
+### Bug Fixes
+
+* **build/embed:** include all Emacs C sources and related files in the Emacs.app bundle ([#120](https://github.com/jimeh/build-emacs-for-macos/issues/120)) ([ccb4f3f](https://github.com/jimeh/build-emacs-for-macos/commit/ccb4f3f438652c7ae98c202b8afed8861f40eeec))
+
+## [0.6.50](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.49...v0.6.50) (2024-11-25)
+
+
+### Features
+
+* **build/options:** add --optimize and related flags ([#119](https://github.com/jimeh/build-emacs-for-macos/issues/119)) ([8267ac1](https://github.com/jimeh/build-emacs-for-macos/commit/8267ac166203c0c495520e6970650735702eac35))
+* **deps:** add support for Nix package manager ([#116](https://github.com/jimeh/build-emacs-for-macos/issues/116)) ([6e2b9aa](https://github.com/jimeh/build-emacs-for-macos/commit/6e2b9aa44ae1cbc3eec8ec7318ce9c9968e2d673))
+* **package:** produce and include configure output log ([#118](https://github.com/jimeh/build-emacs-for-macos/issues/118)) ([5c513ce](https://github.com/jimeh/build-emacs-for-macos/commit/5c513ce2e7536c57f43a49739b3f0f66d15f7b6d))
+
+## [0.6.49](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.48...v0.6.49) (2024-11-03)
+
+
+### Bug Fixes
+
+* **compile-options:** increase runtime max open files limit ([#115](https://github.com/jimeh/build-emacs-for-macos/issues/115)) ([ca8951c](https://github.com/jimeh/build-emacs-for-macos/commit/ca8951ccd350ecee5ad6c637caae0af1831a9eb5)), closes [#106](https://github.com/jimeh/build-emacs-for-macos/issues/106)
+* **patches:** tidy up patches, deprecate optional poll patch ([cfc5155](https://github.com/jimeh/build-emacs-for-macos/commit/cfc5155199486c4e3fae7edbc7262299b3c9955c))
+
+## [0.6.48](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.47...v0.6.48) (2024-08-09)
+
+
+### Bug Fixes
+
+* **local-lisp-path:** add Apple Silicon homebrew lisp-site ([8a1ae4d](https://github.com/jimeh/build-emacs-for-macos/commit/8a1ae4df1ca37a851f9936fcf2081536837e4c67))
+
+## [0.6.47](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.46...v0.6.47) (2024-05-13)
+
+
+### Bug Fixes
+
+* **bootstrap:** remove --no-upgrade option from brew bundle ([2f0baba](https://github.com/jimeh/build-emacs-for-macos/commit/2f0babae990f908d706f5f60dc4a11573918c23d))
+
+## [0.6.46](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.45...v0.6.46) (2024-04-03)
+
+
+### Bug Fixes
+
+* **emacs-builder:** resolve issues with notarizing Emacs app ([#100](https://github.com/jimeh/build-emacs-for-macos/issues/100)) ([1743035](https://github.com/jimeh/build-emacs-for-macos/commit/1743035a6d5d8c07a2c1da3f76cafe156e4ec31d))
+
+## [0.6.45](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.44...v0.6.45) (2023-11-20)
+
+
+### Features
+
+* **builder/cask:** support shared helpers template ([97f77f3](https://github.com/jimeh/build-emacs-for-macos/commit/97f77f3b1043b66da6ec737e5db91605ec961d08))
+
+## [0.6.44](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.43...v0.6.44) (2023-11-19)
+
+
+### Bug Fixes
+
+* **builder/cask:** ensure release info helpers return correct asset ([af0b2b8](https://github.com/jimeh/build-emacs-for-macos/commit/af0b2b83abd5af0e61a085da386cc0da389f6588))
+
+## [0.6.43](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.42...v0.6.43) (2023-11-16)
+
+
+### Bug Fixes
+
+* **bootstrap:** add Ruby (bundle install) to make bootstrap ([bc62c89](https://github.com/jimeh/build-emacs-for-macos/commit/bc62c890ed1aafe767286feed3eac0437ff62dc0))
+* **plan:** resolve issue loading build plan with Ruby 3.x ([a534760](https://github.com/jimeh/build-emacs-for-macos/commit/a5347602cad16fd852386d863d88c025d703b392))
+* **shared-libs:** correctly resolve libwebp libraries ([6ee6d8c](https://github.com/jimeh/build-emacs-for-macos/commit/6ee6d8c13ad4806b4174905dce121750ebd7aa27))
+* **signing:** add self-signing step that is enabled by default ([23a9f30](https://github.com/jimeh/build-emacs-for-macos/commit/23a9f30d45ea25fada809db757b85c175d048936))
+
+### [0.6.42](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.41...v0.6.42) (2023-07-31)
+
+
+### Features
+
+* options for log-level and github source repository ([d08d1b9](https://github.com/jimeh/build-emacs-for-macos/commit/d08d1b9b5c4001302564dc8915884c465802f3b5))
+
+### [0.6.41](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.40...v0.6.41) (2023-01-16)
+
+### [0.6.40](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.39...v0.6.40) (2023-01-08)
+
+### [0.6.39](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.38...v0.6.39) (2022-12-04)
+
+
+### Features
+
+* **deprecate:** posix-spawn patch is no longer supported ([c3d1969](https://github.com/jimeh/build-emacs-for-macos/commit/c3d19694e7e4d33d462c9917683c2d63f69002f5))
+* **version:** correctly handle Emacs 30.x builds ([8b447b6](https://github.com/jimeh/build-emacs-for-macos/commit/8b447b6237fbbd94c4e72af8ee79969c7cfc9363))
+
+### [0.6.38](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.37...v0.6.38) (2022-12-01)
+
+
+### Features
+
+* **patch:** add round-undecorated-frame from emacs-plus for 29.x ([48a512f](https://github.com/jimeh/build-emacs-for-macos/commit/48a512fbce79759caa987e2880585bd0bc937977))
+* **patch:** add support for experimental poll patch from emacs-plus for 29.x ([a3530c0](https://github.com/jimeh/build-emacs-for-macos/commit/a3530c02e8260106f87d464e5cb398dcb2819460))
+
+### [0.6.37](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.36...v0.6.37) (2022-12-01)
+
+
+### Features
+
+* **tree-sitter:** support new --with-tree-sitter configure flag ([0ba971e](https://github.com/jimeh/build-emacs-for-macos/commit/0ba971ef61a195c91e87aa381d5d3b044461b4f6))
+
+### [0.6.36](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.35...v0.6.36) (2022-10-08)
+
+
+### Bug Fixes
+
+* **native-comp:** support new configure flag format ([1f2868d](https://github.com/jimeh/build-emacs-for-macos/commit/1f2868d4b3784e906665e9f3b6b9bba8fd72292f)), closes [#76](https://github.com/jimeh/build-emacs-for-macos/issues/76)
+
+### [0.6.35](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.34...v0.6.35) (2022-08-10)
+
+
+### Bug Fixes
+
+* **native-comp:** compatibility with libgccjit 12 homebrew formula ([e0fd2b1](https://github.com/jimeh/build-emacs-for-macos/commit/e0fd2b16eb91ac5a98ed4ec31f4773ab22cbd470))
+
+### [0.6.34](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.33...v0.6.34) (2022-07-27)
+
+
+### Bug Fixes
+
+* **emacs-28:** patch configure.ac to support latest libgccjit ([b582523](https://github.com/jimeh/build-emacs-for-macos/commit/b582523642ad4c5298f5a7890edd9b48c0433684)), closes [#72](https://github.com/jimeh/build-emacs-for-macos/issues/72)
+
+### [0.6.33](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.32...v0.6.33) (2022-04-30)
+
+### [0.6.32](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.31...v0.6.32) (2022-04-30)
+
+
+### Features
+
+* **dbus:** add flag to explicitly disable dbus support ([8ad3ff4](https://github.com/jimeh/build-emacs-for-macos/commit/8ad3ff4f53505408aa097527177032a1fd6008e0)), closes [#69](https://github.com/jimeh/build-emacs-for-macos/issues/69)
+* **deps:** add sqlite brew dependency for Emacs 29.x ([a20a845](https://github.com/jimeh/build-emacs-for-macos/commit/a20a8456ab1e8de6357d5d121b9565ba65a6dd71))
+
+
+### Bug Fixes
+
+* **native-comp:** support libgccjit 11.3.0 ([e31f5aa](https://github.com/jimeh/build-emacs-for-macos/commit/e31f5aaf9355b674c2a86b8eda35f6513f344b72)), closes [#71](https://github.com/jimeh/build-emacs-for-macos/issues/71)
+
+### [0.6.31](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.30...v0.6.31) (2022-02-25)
+
+
+### Bug Fixes
+
+* set source-directory correctly ([07e0e3d](https://github.com/jimeh/build-emacs-for-macos/commit/07e0e3dacddfbdb7a59aceaa2dc9cdf503ac2bcc)), closes [#68](https://github.com/jimeh/build-emacs-for-macos/issues/68)
+
+### [0.6.30](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.29...v0.6.30) (2022-02-08)
+
+
+### Bug Fixes
+
+* **site-lisp:** add Homebrew's site-lisp directory to locallisppath ([cbd8cb2](https://github.com/jimeh/build-emacs-for-macos/commit/cbd8cb27b6ceff2e128c38cd1cc8f8380b9b4bfb))
+
+### [0.6.29](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.28...v0.6.29) (2022-02-07)
+
+
+### Features
+
+* **cask:** add support for pretest builds ([084776d](https://github.com/jimeh/build-emacs-for-macos/commit/084776db6b7e61958088d7b2a2588e9889e60c21))
+
+### [0.6.28](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.27...v0.6.28) (2022-01-15)
+
+
+### Features
+
+* **build:** add dbus dependency to enable support in Emacs builds ([68ef4c0](https://github.com/jimeh/build-emacs-for-macos/commit/68ef4c066c3fd1a7337198e8f773866088b4f481))
+
+### [0.6.27](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.26...v0.6.27) (2021-12-05)
+
+
+### Features
+
+* **plan:** add support for pretest and release candidate builds ([743b10c](https://github.com/jimeh/build-emacs-for-macos/commit/743b10c751e146ec7569f39a475c20a0489955f4))
+
+### [0.6.26](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.25...v0.6.26) (2021-11-27)
+
+
+### Features
+
+* **build:** re-link eln files by default again ([4ae288c](https://github.com/jimeh/build-emacs-for-macos/commit/4ae288cae34c5e1d291dad7b6b654fe37c4a221f))
+* **native-comp:** no longer require gcc homebrew formula ([3bd78d1](https://github.com/jimeh/build-emacs-for-macos/commit/3bd78d130a5419a6530a7d30e271569e501870fb)), closes [#53](https://github.com/jimeh/build-emacs-for-macos/issues/53)
+
+
+### Bug Fixes
+
+* **embed:** relink shared libraries with [@rpath](https://github.com/rpath) instead of [@executable](https://github.com/executable)_path ([fb5362c](https://github.com/jimeh/build-emacs-for-macos/commit/fb5362ce183ce43e52afcc0fc721cf2145f9c85b))
+
+### [0.6.25](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.24...v0.6.25) (2021-11-25)
+
+### [0.6.24](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.23...v0.6.24) (2021-11-24)
+
+
+### Bug Fixes
+
+* **embedding:** embedding GCC fails when paths do not require sanitizing ([8a467b0](https://github.com/jimeh/build-emacs-for-macos/commit/8a467b0d43140f6956d53c27e2319ae1b572868c))
+
+### [0.6.23](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.22...v0.6.23) (2021-11-10)
+
+
+### Bug Fixes
+
+* **build:** do not re-link eln files by default ([d338c13](https://github.com/jimeh/build-emacs-for-macos/commit/d338c136db8acc4378154cf66ed7db5462787602)), closes [#60](https://github.com/jimeh/build-emacs-for-macos/issues/60)
+
+### [0.6.22](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.21...v0.6.22) (2021-11-10)
+
+
+### Features
+
+* **patch:** add support for posix-spawn patch from emacs-plus ([4030ceb](https://github.com/jimeh/build-emacs-for-macos/commit/4030ceb9cab6749af3c28161ac97caec90a8aed0))
+
+### [0.6.21](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.20...v0.6.21) (2021-10-27)
+
+### [0.6.20](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.19...v0.6.20) (2021-10-23)
+
+
+### Bug Fixes
+
+* **notarization:** explicitly only copy *.c and *.h C source files ([591c39e](https://github.com/jimeh/build-emacs-for-macos/commit/591c39e629c9556adcf296cd5c15dd0b17c4d986))
+
+### [0.6.19](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.18...v0.6.19) (2021-10-23)
+
+
+### Bug Fixes
+
+* **patch:** resolve emacs-29 symlink patches to their real URL ([bcbd017](https://github.com/jimeh/build-emacs-for-macos/commit/bcbd01778d416b99205c51f348a543489889f66d))

 ### [0.6.18](https://github.com/jimeh/build-emacs-for-macos/compare/v0.6.17...v0.6.18) (2021-10-23)

--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -0,0 +1,80 @@
+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with
+code in this repository.
+
+## Project Overview
+
+macOS Emacs building system with Ruby and Go components:
+
+- **Ruby script** (`build-emacs-for-macos`): Main build script for creating
+  self-contained Emacs.app bundles
+- **Go CLI tool** (`emacs-builder`): Packaging, signing, notarization, and
+  release management
+- **Dual dependency management**: Nix (preferred) or Homebrew
+
+## Common Commands
+
+```bash
+# Environment setup (Nix preferred)
+nix develop                       # Default macOS 11 SDK
+nix develop .#macos{11-15,26}     # Target specific SDK version
+
+# Go development
+make build                        # Build emacs-builder CLI
+make test                         # Run tests with race detection
+make lint                         # Run golangci-lint
+make format                       # Format with gofumpt
+
+# Ruby development
+bundle exec rubocop               # Lint (with development group)
+
+# Build Emacs
+./build-emacs-for-macos           # Build from master
+./build-emacs-for-macos emacs-29.4
+```
+
+## Architecture
+
+### Ruby Build Script (`build-emacs-for-macos`)
+
+Single-file Ruby script (~2500 lines) that:
+
+- Downloads source tarballs from emacs-mirror/emacs on GitHub
+- Configures and compiles Emacs with native-comp, tree-sitter support
+- Creates self-contained .app bundles by embedding/relinking dependencies
+- Uses `ruby-macho` gem for Mach-O binary manipulation (RPATH handling)
+
+### Go CLI (`cmd/emacs-builder/`)
+
+Uses `urfave/cli/v2` framework. Key packages in `pkg/`:
+
+- `cli/`: Commands (plan, sign, sign-files, notarize, package, release, cask)
+- `sign/`: macOS code signing via `codesign`
+- `notarize/`: Apple notarization workflow via `notarytool`
+- `release/`: GitHub release management
+- `dmgbuild/`: DMG creation using Python dmgbuild
+- `plan/`: Build plan JSON parsing and management
+
+### Nix Environment (`flake.nix`)
+
+- Multi-SDK support: macOS 11-15, 26 via `.#macos{11,12,13,14,15,26}`
+- Excludes ncurses intentionally (links against system version for TUI)
+- Sets `MACOSX_DEPLOYMENT_TARGET`, `DEVELOPER_DIR`, `NIX_LIBGCCJIT_*`
+
+## Testing
+
+```bash
+make test                         # All Go tests
+go test ./pkg/release/...         # Single package
+go test -run TestName ./pkg/...   # Single test
+```
+
+Tests use `_test.go` suffix alongside source files.
+
+## Working Directories
+
+- `sources/`: Downloaded/extracted Emacs source (gitignored)
+- `builds/`: Build outputs and .app bundles (gitignored)
+- `patches/`: Emacs patches applied during build
+- `bin/`: Built Go binaries (gitignored)
--- a/7
+++ b/7
@@ -1,10 +1,9 @@
 # frozen_string_literal: true

-source 'http://rubygems.org/'
+source 'https://rubygems.org/'
+
+gem 'ruby-macho'

 group :development do
-  gem 'byebug'
  gem 'rubocop'
-  gem 'rubocop-daemon'
-  gem 'solargraph', '~> 0.39.17'
 end
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -0,0 +1,40 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ast (2.4.2)
+    json (2.8.2)
+    language_server-protocol (3.17.0.3)
+    parallel (1.26.3)
+    parser (3.3.6.0)
+      ast (~> 2.4.1)
+      racc
+    racc (1.8.1)
+    rainbow (3.1.1)
+    regexp_parser (2.9.2)
+    rubocop (1.68.0)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.36.1)
+      parser (>= 3.3.1.0)
+    ruby-macho (4.1.0)
+    ruby-progressbar (1.13.0)
+    unicode-display_width (2.6.0)
+
+PLATFORMS
+  arm64-darwin
+  ruby
+  x86_64-darwin
+
+DEPENDENCIES
+  rubocop
+  ruby-macho
+
+BUNDLED WITH
+   2.5.23
--- a/47
+++ b/47
@@ -45,14 +45,15 @@ SHELL := env \
 # Bootstrap
 #

-bootstrap: bootstrap-brew
-bootstrap-ci: bootstrap-brew bootstrap-brew-ci bootstrap-pip
+bootstrap: bootstrap-brew bootstrap-ruby
+
+bootstrap-ruby:
+	env BUNDLE_WITHOUT=development bundle install

 bootstrap-brew:
-	brew bundle
-
-bootstrap-brew-ci:
-	brew bundle --file Brewfile.ci
+ifndef IN_NIX_SHELL
+	brew bundle --verbose
+endif

 bootstrap-pip:
 	$(PIP) install -r requirements-ci.txt
@@ -70,7 +71,7 @@ $(TOOLDIR)/$(1): Makefile
 endef

 $(eval $(call tool,gofumpt,mvdan.cc/gofumpt@latest))
-$(eval $(call tool,golangci-lint,github.com/golangci/golangci-lint/cmd/golangci-lint@v1.40))
+$(eval $(call tool,golangci-lint,github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.1))
 $(eval $(call tool,gomod,github.com/Helcaraxan/gomod@latest))

 .PHONY: tools
@@ -133,6 +134,21 @@ format: $(TOOLDIR)/gofumpt
 gen:
 	go generate $$(go list ./... | grep -v 'sources/' | grep -v 'builds/')

+.PHONY: nix-flake-update
+nix-flake-update:
+	nix flake update \
+	&& $(MAKE) flake.pkgs
+
+.SILENT: flake-package-versions
+flake-package-versions:
+	nix develop --command bash -c \
+		'nix derivation show \
+			$$(echo $$PATH | tr ":" "\n" | grep "/nix/store" | sort -u) \
+			| jq -r ".derivations[].name" | sort -u'
+
+flake.pkgs: flake.nix flake.lock
+	$(MAKE) flake-package-versions > "$@"
+
 #
 # Dependencies
 #
@@ -177,20 +193,3 @@ check-tidy:
 		mv go.sum.tidy-check go.sum; \
 		exit 1 \
 	)
-
-#
-# Release
-#
-
-.PHONY: new-version
-new-version: check-npx
-	npx standard-version
-
-.PHONY: next-version
-next-version: check-npx
-	npx standard-version --dry-run
-
-.PHONY: check-npx
-check-npx:
-	$(if $(shell which npx),,\
-		$(error No npx execuable found in PATH, please install NodeJS))
--- a/README.md
+++ b/README.md
@@ -17,21 +17,10 @@ Use this script at your own risk.
  built from the `master` branch. This script allows you to choose any branch,
  tag, or git ref you want.

-## Status
+## Binary Builds

-As of writing (2021-04-25) it works for me on my machine. Your luck may vary.
-
-I have successfully built:
-
- `emacs-27.1` release git tag
- `master` branch (Emacs 28.x)
- `feature/native-comp` branch (Emacs 28.x)
-
-For reference, my machine is:
-
- 13-inch MacBook Pro (2020), 10th-gen 2.3 GHz Quad-Core Intel Core i7 (4c/8t)
- macOS Big Sur 11.2.3 (20D91)
- Xcode 12.4 (12D4e)
+Nightly and stable binary builds produced with this build script are available
+from [jimeh/emacs-builds](https://github.com/jimeh/emacs-builds).

 ## Limitations

@@ -41,33 +30,95 @@ The build produced does have some limitations:
  application will be that of the machine it was built on.
 - The minimum required macOS version of the built application will be the same
  as that of the machine it was built on.
- The application is not signed, so running it on machines other than the one
-  that built the application will yield warnings. If you want to make a signed
-  Emacs.app, google is you friend for finding signing instructions.
-
-## Binary Builds
-
-Nightly and stable binary builds produced with this build script are available
-from [jimeh/emacs-builds](https://github.com/jimeh/emacs-builds).
+- The application is not signed automatically, but the CLI tool used to sign the
+  nightly builds is available. Run `go run ./cmd/emacs-builder package --help`
+  for details. More detailed instructions will come soon.

 ## Requirements

+Required with both Nix and Homebrew approaches:
+
 - [Xcode](https://apps.apple.com/gb/app/xcode/id497799835?mt=12)
- [Homebrew](https://brew.sh/)
- All Homebrew formula listed in the `Brewfile`, which can all easily be
-  installed by running:
-  ```
-  brew bundle
-  ```
- Ruby 2.3.0 or later is needed to execute the build script itself. macOS comes
-  with Ruby, check your version with `ruby --version`. If it's too old, you can
-  install a newer version with:
-  ```
-  brew install ruby
-  ```
+
+### Nix
+
+The [Nix](https://nixos.org/) package manager is the preferred and most reliable
+way to install all dependencies required to build Emacs, by way of a Nix flake
+included in the project root.
+
+To install all required dependencies within the nix shell, run:
+
+```
+nix develop --command make bootstrap
+```
+
+### Homebrew
+
+If you do not have Nix installed, then the alternative way to manage and install
+build-time dependencies is via [Homebrew](https://brew.sh/).
+
+Ruby 3.3.x or later is also needed to execute the build script. Earlier versions
+may work, but are untested. Simplest way to install a recent Ruby version is via
+Homebrew:
+
+```
+brew install ruby
+```
+
+And finally, to install all built-time dependencies, run:
+
+```
+make bootstrap
+```
+
+## Status
+
+As of writing (2024-11-30) it works for me on my machine and for the nightly
+builds in [jimeh/emacs-builds](https://github.com/jimeh/emacs-builds). Your luck
+may vary.
+
+I have successfully built:
+
+- `emacs-29.4` release tag.
+- `emacs-30.0.92` pretest tag.
+- `master` branch (Emacs 31.x).
+
+For reference, my machine is:
+
+- 14-inch MacBook Pro (2023), Apple M3 Max (16-cores)
+- macOS Sonoma 15.1.1 (24B91)
+- Xcode 16.1 (16B40)
+
+The [nightly builds](https://github.com/jimeh/emacs-builds) are built with
+GitHub Actions on GitHub-hosted runners, using `macos-13` for Intel builds, and
+`macos-14` for Apple Silicon builds. The build environment is managed with Nix,
+and targets the macOS 11 SDK.

 ## Usage

+### Nix
+
+Ensure [Flakes](https://nixos.wiki/wiki/Flakes) are enabled, and enter the flake
+development environment with `nix develop`. Within this environment, you can
+execute the `./build-emacs-for-macos --help` to get started.
+
+Or you can run the build script via `nix develop`:
+
+```
+nix develop --command ./build-emacs-for-macos --help
+```
+
+The Nix environment defaults to targeting the macOS 11 SDK, which makes Emacs
+builds compatible with macOS 11.3 or later. You can easily target later macOS
+SDKs. Versions 11 to 15 are available. For example, to target the macOS 12 SDK,
+run `nix develop .#macos12`
+
+### Homebrew
+
+Run `make boostrap` to ensure all Ruby and Homebrew dependencies are installed.
+
+### Build Script
+
 ```
 Usage: ./build-emacs-for-macos [options] <branch/tag/sha>

@@ -75,23 +126,45 @@ Branch, tag, and SHA are from the emacs-mirror/emacs/emacs Github repo,
 available here: https://github.com/emacs-mirror/emacs

 Options:
-    -j, --parallel COUNT             Compile using COUNT parallel processes (detected: 8)
+        --info                       Print environment info and detected library paths, then exit
+        --preview                    Print preview details about build and exit.
+    -j, --parallel COUNT             Compile using COUNT parallel processes (detected: 16)
        --git-sha SHA                Override detected git SHA of specified branch allowing builds of old commits
-        --[no-]xwidgets              Enable/disable XWidgets if supported (default: enabled)
+        --[no-]use-nix               Use Nix instead of Homebrew to find dependencies (default: enabled if IN_NIX_SHELL is set)
+        --[no-]tree-sitter           Enable/disable tree-sitter if supported (default: enabled)
        --[no-]native-comp           Enable/disable native-comp (default: enabled if supported)
-        --[no-]native-march          Enable/disable -march=native CFLAG(default: disabled)
+        --optimize                   Shorthand for --native-march --native-mtune --fomit-frame-pointer (default: disabled)
+        --[no-]native-march          Enable/disable -march=native CFLAG (default: disabled)
+        --[no-]native-mtune          Enable/disable -mtune=native CFLAG (default: disabled)
+        --[no-]fomit-frame-pointer   Enable/disable -fomit-frame-pointer CFLAG (default: disabled)
        --[no-]native-full-aot       Enable/disable NATIVE_FULL_AOT / Ahead of Time compilation (default: disabled)
+        --[no-]relink-eln-files      Enable/disable re-linking shared libraries in bundled *.eln files (default: enabled)
        --[no-]rsvg                  Enable/disable SVG image support via librsvg (default: enabled)
-        --no-titlebar                Apply no-titlebar patch (default: disabled)
-        --no-frame-refocus           Apply no-frame-refocus patch (default: disabled)
+        --[no-]dbus                  Enable/disable dbus support (default: enabled)
+        --alpha-background           Apply experimental alpha-background patch when building Emacs 30.x - 31.x (default: disabled)
+        --no-frame-refocus           Apply no-frame-refocus patch when building Emacs 27.x - 31.x (default: disabled)
+        --no-titlebar                Apply no-titlebar patch when building Emacs 27.x - 28.x (default: disabled)
+        --[no-]xwidgets              Enable/disable XWidgets when building Emacs 27.x (default: disabled)
+        --[no-]poll                  Apply poll patch (deprecated)
+        --posix-spawn                Apply posix-spawn patch (deprecated)
+    -p, --patch=URL                  Specify a custom patch file or URL to apply to the Emacs source (can be used multiple times)
+        --[no-]fd-setsize SIZE       Set an file descriptor (max open files) limit (default: 10000)
+        --github-src-repo REPO       Specify a GitHub repo to download source tarballs from (default: emacs-mirror/emacs)
        --[no-]github-auth           Make authenticated GitHub API requests if GITHUB_TOKEN environment variable is set.(default: enabled)
        --work-dir DIR               Specify a working directory where tarballs, sources, and builds will be stored and worked with
    -o, --output DIR                 Output directory for finished builds (default: <work-dir>/builds)
        --build-name NAME            Override generated build name
        --dist-include x,y,z         List of extra files to copy from Emacs source into build folder/archive (default: COPYING)
+        --icon-uri URI               Local path or URL to a .icns file to replace the default app icon
+        --tahoe-icon-uri URI         Local path or URL to an Assets.car file for macOS 26 icons. Requires --tahoe-icon-name.
+        --tahoe-icon-name NAME       Name of the icon in Assets.car to set as CFBundleIconName
+        --[no-]self-sign             Enable/disable self-signing of Emacs.app (default: enabled)
        --[no-]archive               Enable/disable creating *.tbz archive (default: enabled)
-        --[no-]archive-keep          Enable/disable keeping source folder for archive (default: disabled)
+        --[no-]archive-keep-build-dir
+                                     Enable/disable keeping source folder for archive (default: disabled)
+        --log-level LEVEL            Build script log level (default: info)
        --plan FILE                  Follow given plan file, instead of using given git ref/sha
+        --clean-macho-binary FILE    Tool to clean duplicate RPATHs from given Mach-O binary.
 ```

 Resulting applications are saved to the `builds` directory in a bzip2 compressed
@@ -112,10 +185,10 @@ as of writing) and build Emacs.app from it:
 ./build-emacs-for-macos
 ```

-To build the stable `emacs-27.1` release git tag run:
+To build the stable `emacs-29.4` release git tag run:

 ```
-./build-emacs-for-macos emacs-27.1
+./build-emacs-for-macos emacs-29.4
 ```

 All sources as downloaded as tarballs from the
@@ -148,14 +221,10 @@ use the alias from the above example.

 ## Native-Comp

-_Note: On 2021-04-25 the `feature/native-comp` branch was
-[merged](http://git.savannah.gnu.org/cgit/emacs.git/commit/?id=289000eee729689b0cf362a21baa40ac7f9506f6)
-into `master`._
-
 The build script will automatically detect if the source tree being built
 supports native-compilation, and enable it if available. You can override the
 auto-detection logic to force enable or force disable native-compilation by
-passing `--native-comp` or `--no-native-comp` respectfully.
+passing `--native-comp` or `--no-native-comp` respectively.

 By default `NATIVE_FULL_AOT` is disabled which ensures a fast build by native
 compiling as few elisp source files as possible to build Emacs itself. Any
--- a/2252
+++ b/2252
--- a/flake.lock
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1767313136,
+        "narHash": "sha256-16KkgfdYqjaeRGBaYsNrhPRRENs0qzkQVUooNHtoy2w=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ac62194c3917d5f474c1a844b6fd6da2db95077d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
--- a/flake.nix
+++ b/flake.nix
@@ -0,0 +1,118 @@
+{
+  description = "Development environment flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        # List of supported macOS SDK versions.
+        sdk_versions = [
+          "11"
+          "12"
+          "13"
+          "14"
+          "15"
+          "26"
+        ];
+        default_sdk_version = "11";
+
+        mkDevShell =
+          {
+            macos_version ? default_sdk_version,
+          }:
+          let
+            apple_sdk = pkgs.${"apple-sdk_${macos_version}"};
+          in
+          pkgs.mkShell {
+            # Package list specifically excludes ncurses, so that we link
+            # against the system version of ncurses. This ensures emacs' TUI
+            # works out of the box without the user having to manually set
+            # TERMINFO in the shell before launching emacs.
+            packages = with pkgs; [
+              apple_sdk
+              autoconf
+              bash
+              cairo
+              clang
+              coreutils
+              curl
+              darwin.DarwinTools # sw_vers
+              dbus
+              expat
+              findutils
+              gcc
+              gettext
+              giflib
+              git
+              gmp
+              gnumake
+              gnupatch
+              gnused
+              gnutar
+              gnutls
+              harfbuzz
+              jansson
+              jq
+              lcms2
+              libffi
+              libgccjit
+              libiconv
+              libjpeg
+              libpng
+              librsvg
+              libtasn1
+              libunistring
+              libwebp
+              libxml2
+              mailutils
+              nettle
+              pkg-config
+              python313Packages.dmgbuild
+              rsync
+              ruby
+              sqlite
+              texinfo
+              time
+              tree-sitter
+              which
+              xcbuild
+              zlib
+            ];
+
+            shellHook = ''
+              export CC=clang
+              export MACOSX_DEPLOYMENT_TARGET="${macos_version}.0"
+              export DEVELOPER_DIR="${apple_sdk}"
+              export NIX_LIBGCCJIT_VERSION="${pkgs.libgccjit.version}"
+              export NIX_LIBGCCJIT_ROOT="${pkgs.libgccjit.outPath}"
+              export BUNDLE_WITHOUT=development
+            '';
+          };
+
+        # Generate an attrset of shells for each macOS SDK version.
+        versionShells = builtins.listToAttrs (
+          map (version: {
+            name = "macos${version}";
+            value = mkDevShell { macos_version = version; };
+          }) sdk_versions
+        );
+      in
+      {
+        devShells = versionShells // {
+          default = mkDevShell { };
+        };
+      }
+    );
+}
--- a/flake.pkgs
+++ b/flake.pkgs
@@ -0,0 +1,72 @@
+DarwinTools-1
+autoconf-2.72
+bash-5.2p37
+bash-interactive-5.2p37
+brotli-1.1.0
+bzip2-1.0.8
+cairo-1.18.2
+cctools-binutils-darwin-1010.6
+cctools-binutils-darwin-wrapper-1010.6
+clang-19.1.7
+clang-wrapper-19.1.7
+coreutils-9.7
+curl-8.14.1
+dbus-1.14.10
+diffutils-3.12
+expat-2.7.3
+file-5.45
+findutils-4.10.0
+fontconfig-2.16.0
+freetype-2.13.3
+gawk-5.3.2
+gcc-14.3.0
+gcc-wrapper-14.3.0
+gdk-pixbuf-2.42.12
+gettext-0.22.5
+giflib-5.2.2
+git-2.50.1
+glib-2.84.3
+gnugrep-3.11
+gnumake-4.4.1
+gnused-4.9
+gnutar-1.35
+gnutls-3.8.9
+graphite2-1.3.14
+gzip-1.14
+harfbuzz-10.2.0
+jq-1.7.1
+krb5-1.21.3
+lcms2-2.17
+libdeflate-1.23
+libgccjit-14.3.0
+libiconv-1.17
+libiconv-109
+libidn2-2.3.8
+libjpeg-turbo-3.0.4
+libpng-apng-1.6.46
+libpsl-0.21.5
+librsvg-2.60.0
+libtasn1-4.20.0
+libtiff-4.7.0
+libwebp-1.5.0
+libxml2-2.13.8
+mailutils-3.18
+nettle-3.10.1
+nghttp2-1.65.0
+openssl-3.4.3
+patch-2.7.6
+pkg-config-wrapper-0.29.2
+python3-3.13.5
+python3.13-dmgbuild-1.6.2
+python3.13-ds-store-1.3.1
+python3.13-mac-alias-2.2.2
+rsync-3.4.1
+ruby-3.3.9
+sqlite-3.48.0
+texinfo-7.2
+time-1.9
+tree-sitter-0.25.3
+which-2.23
+xcbuild-0.1.1-unstable-2019-11-20
+xz-5.8.1
+zstd-1.5.7
--- a/go.mod
+++ b/go.mod
@@ -1,30 +1,35 @@
 module github.com/jimeh/build-emacs-for-macos

-go 1.16
+go 1.23

 require (
-	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
-	github.com/fatih/color v1.12.0 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/bearer/gon v0.0.36
 	github.com/google/go-github/v35 v35.3.0
-	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/hashicorp/errwrap v1.1.0 // indirect
-	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
-	github.com/hashicorp/go-hclog v0.16.1
-	github.com/hashicorp/go-multierror v1.1.1 // indirect
-	github.com/hashicorp/go-retryablehttp v0.7.0 // indirect
+	github.com/hashicorp/go-hclog v1.5.0
 	github.com/hexops/gotextdiff v1.0.3
 	github.com/jimeh/undent v1.1.0
-	github.com/mattn/go-isatty v0.0.13 // indirect
-	github.com/mitchellh/gon v0.2.3
-	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/stretchr/testify v1.7.0
-	github.com/urfave/cli/v2 v2.3.0
-	golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e // indirect
-	golang.org/x/net v0.0.0-20210614182718-04defd469f4e // indirect
-	golang.org/x/oauth2 v0.0.0-20210615190721-d04028783cf1
-	golang.org/x/sys v0.0.0-20210616094352-59db8d763f22 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
-	howett.net/plist v0.0.0-20201203080718-1454fab16a06 // indirect
+	github.com/stretchr/testify v1.7.2
+	github.com/urfave/cli/v2 v2.25.7
+	golang.org/x/oauth2 v0.14.0
+	gopkg.in/yaml.v3 v3.0.1
+)
+
+require (
+	github.com/cpuguy83/go-md2man/v2 v2.0.3 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fatih/color v1.16.0 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
+	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	golang.org/x/crypto v0.17.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+	google.golang.org/appengine v1.6.8 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
+	howett.net/plist v1.0.0 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,150 +1,50 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/agext/levenshtein v1.2.1/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki2W0IB5558=
 github.com/apparentlymart/go-dump v0.0.0-20180507223929-23540a00eaa3/go.mod h1:oL81AME2rN47vu18xqj1S1jPIPuN7afo62yKTNn3XMM=
 github.com/apparentlymart/go-textseg v1.0.0/go.mod h1:z96Txxhf3xSFMPmb5X/1W05FF/Nj9VFpLOpjS5yuumk=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
-github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
-github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/bearer/gon v0.0.36 h1:IswEKy8WbBPx7ZxCs4T7mHN6Rj8CbLpS/0u8wka6fO8=
+github.com/bearer/gon v0.0.36/go.mod h1:jiD3TC2OA5lR2oADhe83a/FLxNS7/ra+58QUT9sQveg=
+github.com/cpuguy83/go-md2man/v2 v2.0.3 h1:qMCsGGgs+MAzDFyp9LpAe1Lqy/fY/qCovCm0qnXZOBM=
+github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fatih/color v1.12.0 h1:mRhaKNwANqRgUBGKmnI5ZxEk7QXmjQeCcuYFMX2bfcc=
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--- a/helper/emacs-cli.bash
+++ b/helper/emacs-cli.bash
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash

 resolve_link() {
-  "$(type -p greadlink readlink | head -1)" "$1"
+  "$(command -v greadlink || command -v readlink)" "$1"
 }

 abs_dirname() {
--- a/patches/emacs-29/ns-alpha-background.patch
+++ b/patches/emacs-29/ns-alpha-background.patch
@@ -0,0 +1,487 @@
+From 9b436ccb00ea321fe778ea51cf1ad536aff7210f Mon Sep 17 00:00:00 2001
+From: Jon Rubens <jonathanrubens@gmail.com>
+Date: Wed, 24 Jan 2024 19:45:55 -0800
+Subject: [PATCH 1/3] Enable frame parameter alpha_background for MacOS
+
+---
+ src/macfont.m | 10 ++++++++--
+ src/nsfns.m   | 42 ++++++++++++++++++++++++++++++++++--------
+ src/nsterm.m  | 42 ++++++++++++++++++++++--------------------
+ 3 files changed, 64 insertions(+), 30 deletions(-)
+
+diff --git a/src/macfont.m b/src/macfont.m
+index 8aba440d196e..56c1eb57024e 100644
+--- a/src/macfont.m
+++ b/src/macfont.m
+@@ -2953,9 +2953,14 @@ So we use CTFontDescriptorCreateMatchingFontDescriptor (no
+             CG_SET_FILL_COLOR_WITH_FACE_FOREGROUND (context, face);
+           else
+             CG_SET_FILL_COLOR_WITH_FRAME_CURSOR (context, f);
+-        }
+	  CGContextSetAlpha(context, 1);
+	}
+       else
+-        CG_SET_FILL_COLOR_WITH_FACE_BACKGROUND (context, face);
+	{
+	  CGContextSetAlpha(context, f->alpha_background);
+	  CG_SET_FILL_COLOR_WITH_FACE_BACKGROUND (context, face);
+	}
+      CGContextClearRect(context, background_rect);
+       CGContextFillRects (context, &background_rect, 1);
+     }
+ 
+@@ -2964,6 +2969,7 @@ So we use CTFontDescriptorCreateMatchingFontDescriptor (no
+       CGAffineTransform atfm;
+ 
+       CGContextScaleCTM (context, 1, -1);
+      CGContextSetAlpha(context, 1);
+       if (s->hl == DRAW_CURSOR)
+         {
+           if (face && (NS_FACE_BACKGROUND (face)
+diff --git a/src/nsfns.m b/src/nsfns.m
+index b0281aac2572..3e19cce89de9 100644
+--- a/src/nsfns.m
+++ b/src/nsfns.m
+@@ -301,7 +301,7 @@ Turn the input menu (an NSMenu) into a lisp list for tracking on lisp side.
+   struct face *face;
+   NSColor *col;
+   NSView *view = FRAME_NS_VIEW (f);
+-  EmacsCGFloat alpha;
+  EmacsCGFloat alpha = f->alpha_background;
+ 
+   block_input ();
+   if (ns_lisp_to_color (arg, &col))
+@@ -316,11 +316,10 @@ Turn the input menu (an NSMenu) into a lisp list for tracking on lisp side.
+   f->output_data.ns->background_color = col;
+ 
+   FRAME_BACKGROUND_PIXEL (f) = [col unsignedLong];
+-  alpha = [col alphaComponent];
+ 
+   if (view != nil)
+     {
+-      [[view window] setBackgroundColor: col];
+      [[view window] setBackgroundColor: [col colorWithAlphaComponent: alpha]];
+ 
+       if (alpha != (EmacsCGFloat) 1.0)
+           [[view window] setOpaque: NO];
+@@ -330,10 +329,7 @@ Turn the input menu (an NSMenu) into a lisp list for tracking on lisp side.
+       face = FRAME_DEFAULT_FACE (f);
+       if (face)
+         {
+-          col = [NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)];
+-          face->background = [[col colorWithAlphaComponent: alpha]
+-                               unsignedLong];
+-
+          face->background = [col unsignedLong];
+           update_face_from_frame_parameter (f, Qbackground_color, arg);
+         }
+ 
+@@ -346,6 +342,36 @@ Turn the input menu (an NSMenu) into a lisp list for tracking on lisp side.
+   unblock_input ();
+ }
+ 
+static void
+ns_set_alpha_background (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
+{
+  NSView *view = FRAME_NS_VIEW (f);
+  double alpha = 1.0;
+
+  if (NILP (arg))
+    alpha = 1.0;
+  else if (FLOATP (arg))
+    {
+      alpha = XFLOAT_DATA (arg);
+      if (! (0 <= alpha && alpha <= 1.0))
+	args_out_of_range (make_float (0.0), make_float (1.0));
+    }
+  else if (FIXNUMP (arg))
+    {
+      EMACS_INT ialpha = XFIXNUM (arg);
+      if (! (0 <= ialpha && ialpha <= 100))
+	args_out_of_range (make_fixnum (0), make_fixnum (100));
+      alpha = ialpha / 100.0;
+    }
+  else
+    wrong_type_argument (Qnumberp, arg);
+
+  f->alpha_background = alpha;
+  [[view window] setBackgroundColor: [f->output_data.ns->background_color
+					 colorWithAlphaComponent: alpha]];
+  recompute_basic_faces (f);
+  SET_FRAME_GARBAGED (f);
+}
+ 
+ static void
+ ns_set_cursor_color (struct frame *f, Lisp_Object arg, Lisp_Object oldval)
+@@ -1065,7 +1091,7 @@ Turn the input menu (an NSMenu) into a lisp list for tracking on lisp side.
+   ns_set_z_group,
+   0, /* x_set_override_redirect */
+   gui_set_no_special_glyphs,
+-  gui_set_alpha_background,
+  ns_set_alpha_background,
+   NULL,
+ #ifdef NS_IMPL_COCOA
+   ns_set_appearance,
+diff --git a/src/nsterm.m b/src/nsterm.m
+index 518b38658d17..bda3a12172f5 100644
+--- a/src/nsterm.m
+++ b/src/nsterm.m
+@@ -2618,8 +2618,9 @@ Hide the window (X11 semantics)
+ 
+   block_input ();
+   ns_focus (f, &r, 1);
+-  [[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND
+-			    (FACE_FROM_ID (f, DEFAULT_FACE_ID))] set];
+  [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND
+				 (FACE_FROM_ID (f, DEFAULT_FACE_ID))]
+                                 colorWithAlphaComponent: f->alpha_background] set];
+   NSRectFill (r);
+   ns_unfocus (f);
+ 
+@@ -2647,7 +2648,7 @@ Hide the window (X11 semantics)
+ 
+   r = NSIntersectionRect (r, [view frame]);
+   ns_focus (f, &r, 1);
+-  [[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] set];
+  [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] colorWithAlphaComponent: f->alpha_background] set];
+ 
+   NSRectFill (r);
+ 
+@@ -2751,7 +2752,7 @@ Hide the window (X11 semantics)
+         return;
+ 
+       ns_focus (f, NULL, 1);
+-      [[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] set];
+      [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] colorWithAlphaComponent: f->alpha_background] set];
+       NSRectFill (NSMakeRect (0, margin, width, border));
+       NSRectFill (NSMakeRect (0, 0, border, height));
+       NSRectFill (NSMakeRect (0, margin, width, border));
+@@ -2802,7 +2803,7 @@ Hide the window (X11 semantics)
+           NSRect r = NSMakeRect (0, y, FRAME_PIXEL_WIDTH (f), height);
+           ns_focus (f, &r, 1);
+ 
+-          [[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] set];
+          [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] colorWithAlphaComponent: f->alpha_background] set];
+           NSRectFill (NSMakeRect (0, y, width, height));
+           NSRectFill (NSMakeRect (FRAME_PIXEL_WIDTH (f) - width,
+                                   y, width, height));
+@@ -2966,8 +2967,7 @@ Hide the window (X11 semantics)
+   if (! NSIsEmptyRect (clearRect))
+     {
+       NSTRACE_RECT ("clearRect", clearRect);
+-
+-      [[NSColor colorWithUnsignedLong:face->background] set];
+      [[[NSColor colorWithUnsignedLong:face->background] colorWithAlphaComponent: f->alpha_background] set];
+       NSRectFill (clearRect);
+     }
+ 
+@@ -2998,7 +2998,7 @@ Hide the window (X11 semantics)
+       else
+         bm_color = f->output_data.ns->cursor_color;
+ 
+-      [bm_color set];
+      [[bm_color colorWithAlphaComponent:f->alpha_background] set];
+       [bmp fill];
+ 
+       [bmp release];
+@@ -3719,7 +3719,7 @@ Function modeled after x_draw_glyph_string_box ().
+   if (s->face->box == FACE_SIMPLE_BOX && s->face->box_color)
+     {
+       ns_draw_box (r, abs (hthickness), abs (vthickness),
+-                   [NSColor colorWithUnsignedLong:face->box_color],
+                   [[NSColor colorWithUnsignedLong:face->box_color] colorWithAlphaComponent: s->f->alpha_background],
+                    left_p, right_p);
+     }
+   else
+@@ -3757,8 +3757,10 @@ Function modeled after x_draw_glyph_string_box ().
+             {
+               if (s->hl != DRAW_CURSOR)
+                 [(NS_FACE_BACKGROUND (face) != 0
+-                  ? [NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)]
+		  ? [[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)]
+		      colorWithAlphaComponent: s->f->alpha_background]
+                   : FRAME_BACKGROUND_COLOR (s->f)) set];
+
+               else if (face && (NS_FACE_BACKGROUND (face)
+                                 == [(NSColor *) FRAME_CURSOR_COLOR (s->f)
+                                                 unsignedLong]))
+@@ -3902,7 +3904,7 @@ Function modeled after x_draw_glyph_string_box ().
+      otherwise, since we composite the image under NS (instead of mucking
+      with its background color), we must clear just the image area.  */
+ 
+-  [[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] set];
+  [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] colorWithAlphaComponent: s->f->alpha_background] set];
+ 
+   if (bg_height > s->slice.height || s->img->hmargin || s->img->vmargin
+       || s->img->mask || s->img->pixmap == 0 || s->width != s->background_width)
+@@ -3972,7 +3974,7 @@ Function modeled after x_draw_glyph_string_box ().
+   if (s->hl == DRAW_CURSOR)
+     {
+       [FRAME_CURSOR_COLOR (s->f) set];
+-      tdCol = [NSColor colorWithUnsignedLong: NS_FACE_BACKGROUND (face)];
+      tdCol = [[NSColor colorWithUnsignedLong: NS_FACE_BACKGROUND (face)] colorWithAlphaComponent: s->f->alpha_background];
+     }
+   else
+     tdCol = [NSColor colorWithUnsignedLong: NS_FACE_FOREGROUND (face)];
+@@ -4066,10 +4068,10 @@ Function modeled after x_draw_glyph_string_box ().
+ 		face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
+ 	      prepare_face_for_display (s->f, face);
+ 
+-	      [[NSColor colorWithUnsignedLong: face->background] set];
+	      [[[NSColor colorWithUnsignedLong: face->background] colorWithAlphaComponent: s->f->alpha_background] set];
+ 	    }
+ 	  else
+-	    [[NSColor colorWithUnsignedLong: s->face->background] set];
+	    [[[NSColor colorWithUnsignedLong: s->face->background] colorWithAlphaComponent: s->f->alpha_background] set];
+ 	  NSRectFill (NSMakeRect (x, y, w, h));
+ 	}
+     }
+@@ -4095,7 +4097,7 @@ Function modeled after x_draw_glyph_string_box ().
+ 	  if (s->hl == DRAW_CURSOR)
+ 	    [FRAME_CURSOR_COLOR (s->f) set];
+ 	  else
+-	    [[NSColor colorWithUnsignedLong: s->face->background] set];
+	    [[[NSColor colorWithUnsignedLong: s->face->background] colorWithAlphaComponent: s->f->alpha_background] set];
+ 
+ 	  NSRectFill (NSMakeRect (x, s->y, background_width, s->height));
+ 	}
+@@ -8436,8 +8438,8 @@ - (void)toggleFullScreen: (id)sender
+         }
+ 
+       [w setContentView:[fw contentView]];
+-      [w setBackgroundColor: col];
+-      if ([col alphaComponent] != (EmacsCGFloat) 1.0)
+      [w setBackgroundColor: [col colorWithAlphaComponent: f->alpha_background]];
+      if (f->alpha_background != (EmacsCGFloat) 1.0)
+         [w setOpaque: NO];
+ 
+       f->border_width = [w borderWidth];
+@@ -9172,9 +9174,9 @@ - (instancetype) initWithEmacsFrame: (struct frame *) f
+       f->border_width = [self borderWidth];
+ 
+       col = [NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND
+-                                     (FACE_FROM_ID (f, DEFAULT_FACE_ID))];
+-      [self setBackgroundColor:col];
+-      if ([col alphaComponent] != (EmacsCGFloat) 1.0)
+		      (FACE_FROM_ID (f, DEFAULT_FACE_ID))];
+      [self setBackgroundColor:[col colorWithAlphaComponent:f->alpha_background]];
+      if (f->alpha_background != (EmacsCGFloat) 1.0)
+         [self setOpaque:NO];
+ 
+       /* toolbar support */
+
+From 58cf6e6da20eefca161c1ab1fd0d6ad67d1ba710 Mon Sep 17 00:00:00 2001
+From: Jon Rubens <jonathanrubens@gmail.com>
+Date: Fri, 26 Jan 2024 09:35:15 -0800
+Subject: [PATCH 2/3] Fix code formatting
+
+---
+ src/macfont.m |  8 ++++----
+ src/nsterm.m  | 30 ++++++++++++++++++++----------
+ 2 files changed, 24 insertions(+), 14 deletions(-)
+
+diff --git a/src/macfont.m b/src/macfont.m
+index 56c1eb57024e..8fb835c7ff01 100644
+--- a/src/macfont.m
+++ b/src/macfont.m
+@@ -2953,14 +2953,14 @@ So we use CTFontDescriptorCreateMatchingFontDescriptor (no
+             CG_SET_FILL_COLOR_WITH_FACE_FOREGROUND (context, face);
+           else
+             CG_SET_FILL_COLOR_WITH_FRAME_CURSOR (context, f);
+-	  CGContextSetAlpha(context, 1);
+	  CGContextSetAlpha (context, 1);
+ 	}
+       else
+ 	{
+-	  CGContextSetAlpha(context, f->alpha_background);
+	  CGContextSetAlpha (context, f->alpha_background);
+ 	  CG_SET_FILL_COLOR_WITH_FACE_BACKGROUND (context, face);
+ 	}
+-      CGContextClearRect(context, background_rect);
+      CGContextClearRect (context, background_rect);
+       CGContextFillRects (context, &background_rect, 1);
+     }
+ 
+@@ -2969,7 +2969,7 @@ So we use CTFontDescriptorCreateMatchingFontDescriptor (no
+       CGAffineTransform atfm;
+ 
+       CGContextScaleCTM (context, 1, -1);
+-      CGContextSetAlpha(context, 1);
+      CGContextSetAlpha (context, 1);
+       if (s->hl == DRAW_CURSOR)
+         {
+           if (face && (NS_FACE_BACKGROUND (face)
+diff --git a/src/nsterm.m b/src/nsterm.m
+index bda3a12172f5..9ab3ff8f783f 100644
+--- a/src/nsterm.m
+++ b/src/nsterm.m
+@@ -2803,7 +2803,8 @@ Hide the window (X11 semantics)
+           NSRect r = NSMakeRect (0, y, FRAME_PIXEL_WIDTH (f), height);
+           ns_focus (f, &r, 1);
+ 
+-          [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] colorWithAlphaComponent: f->alpha_background] set];
+          [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)]
+	     colorWithAlphaComponent: f->alpha_background] set];
+           NSRectFill (NSMakeRect (0, y, width, height));
+           NSRectFill (NSMakeRect (FRAME_PIXEL_WIDTH (f) - width,
+                                   y, width, height));
+@@ -2967,7 +2968,8 @@ Hide the window (X11 semantics)
+   if (! NSIsEmptyRect (clearRect))
+     {
+       NSTRACE_RECT ("clearRect", clearRect);
+-      [[[NSColor colorWithUnsignedLong:face->background] colorWithAlphaComponent: f->alpha_background] set];
+      [[[NSColor colorWithUnsignedLong:face->background]
+	 colorWithAlphaComponent: f->alpha_background] set];
+       NSRectFill (clearRect);
+     }
+ 
+@@ -3719,7 +3721,8 @@ Function modeled after x_draw_glyph_string_box ().
+   if (s->face->box == FACE_SIMPLE_BOX && s->face->box_color)
+     {
+       ns_draw_box (r, abs (hthickness), abs (vthickness),
+-                   [[NSColor colorWithUnsignedLong:face->box_color] colorWithAlphaComponent: s->f->alpha_background],
+                   [[NSColor colorWithUnsignedLong:face->box_color]
+		     colorWithAlphaComponent: s->f->alpha_background],
+                    left_p, right_p);
+     }
+   else
+@@ -3904,7 +3907,8 @@ Function modeled after x_draw_glyph_string_box ().
+      otherwise, since we composite the image under NS (instead of mucking
+      with its background color), we must clear just the image area.  */
+ 
+-  [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] colorWithAlphaComponent: s->f->alpha_background] set];
+  [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)]
+     colorWithAlphaComponent: s->f->alpha_background] set];
+ 
+   if (bg_height > s->slice.height || s->img->hmargin || s->img->vmargin
+       || s->img->mask || s->img->pixmap == 0 || s->width != s->background_width)
+@@ -3974,7 +3978,8 @@ Function modeled after x_draw_glyph_string_box ().
+   if (s->hl == DRAW_CURSOR)
+     {
+       [FRAME_CURSOR_COLOR (s->f) set];
+-      tdCol = [[NSColor colorWithUnsignedLong: NS_FACE_BACKGROUND (face)] colorWithAlphaComponent: s->f->alpha_background];
+      tdCol = [[NSColor colorWithUnsignedLong: NS_FACE_BACKGROUND (face)]
+		colorWithAlphaComponent: s->f->alpha_background];
+     }
+   else
+     tdCol = [NSColor colorWithUnsignedLong: NS_FACE_FOREGROUND (face)];
+@@ -4068,10 +4073,12 @@ Function modeled after x_draw_glyph_string_box ().
+ 		face = FACE_FROM_ID (s->f, MOUSE_FACE_ID);
+ 	      prepare_face_for_display (s->f, face);
+ 
+-	      [[[NSColor colorWithUnsignedLong: face->background] colorWithAlphaComponent: s->f->alpha_background] set];
+	      [[[NSColor colorWithUnsignedLong: face->background]
+		 colorWithAlphaComponent: s->f->alpha_background] set];
+ 	    }
+ 	  else
+-	    [[[NSColor colorWithUnsignedLong: s->face->background] colorWithAlphaComponent: s->f->alpha_background] set];
+	    [[[NSColor colorWithUnsignedLong: s->face->background]
+	       colorWithAlphaComponent: s->f->alpha_background] set];
+ 	  NSRectFill (NSMakeRect (x, y, w, h));
+ 	}
+     }
+@@ -4097,7 +4104,8 @@ Function modeled after x_draw_glyph_string_box ().
+ 	  if (s->hl == DRAW_CURSOR)
+ 	    [FRAME_CURSOR_COLOR (s->f) set];
+ 	  else
+-	    [[[NSColor colorWithUnsignedLong: s->face->background] colorWithAlphaComponent: s->f->alpha_background] set];
+	    [[[NSColor colorWithUnsignedLong: s->face->background]
+	       colorWithAlphaComponent: s->f->alpha_background] set];
+ 
+ 	  NSRectFill (NSMakeRect (x, s->y, background_width, s->height));
+ 	}
+@@ -8438,7 +8446,8 @@ - (void)toggleFullScreen: (id)sender
+         }
+ 
+       [w setContentView:[fw contentView]];
+-      [w setBackgroundColor: [col colorWithAlphaComponent: f->alpha_background]];
+      [w setBackgroundColor: [col colorWithAlphaComponent:
+				    f->alpha_background]];
+       if (f->alpha_background != (EmacsCGFloat) 1.0)
+         [w setOpaque: NO];
+ 
+@@ -9175,7 +9184,8 @@ - (instancetype) initWithEmacsFrame: (struct frame *) f
+ 
+       col = [NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND
+ 		      (FACE_FROM_ID (f, DEFAULT_FACE_ID))];
+-      [self setBackgroundColor:[col colorWithAlphaComponent:f->alpha_background]];
+      [self setBackgroundColor:
+	      [col colorWithAlphaComponent:f->alpha_background]];
+       if (f->alpha_background != (EmacsCGFloat) 1.0)
+         [self setOpaque:NO];
+ 
+
+From 896596aac2932ab98dbeb68f48a963275fdb76c5 Mon Sep 17 00:00:00 2001
+From: Jon Rubens <jonathanrubens@gmail.com>
+Date: Wed, 31 Jan 2024 13:30:13 -0800
+Subject: [PATCH 3/3] More code formatting
+
+---
+ src/nsfns.m  | 11 ++++++-----
+ src/nsterm.m |  8 +++++---
+ 2 files changed, 11 insertions(+), 8 deletions(-)
+
+diff --git a/src/nsfns.m b/src/nsfns.m
+index 3e19cce89de9..67d8449c70dd 100644
+--- a/src/nsfns.m
+++ b/src/nsfns.m
+@@ -321,11 +321,6 @@ Turn the input menu (an NSMenu) into a lisp list for tracking on lisp side.
+     {
+       [[view window] setBackgroundColor: [col colorWithAlphaComponent: alpha]];
+ 
+-      if (alpha != (EmacsCGFloat) 1.0)
+-          [[view window] setOpaque: NO];
+-      else
+-          [[view window] setOpaque: YES];
+-
+       face = FRAME_DEFAULT_FACE (f);
+       if (face)
+         {
+@@ -369,6 +364,12 @@ Turn the input menu (an NSMenu) into a lisp list for tracking on lisp side.
+   f->alpha_background = alpha;
+   [[view window] setBackgroundColor: [f->output_data.ns->background_color
+ 					 colorWithAlphaComponent: alpha]];
+
+  if (alpha != (EmacsCGFloat) 1.0)
+    [[view window] setOpaque: NO];
+  else
+    [[view window] setOpaque: YES];
+
+   recompute_basic_faces (f);
+   SET_FRAME_GARBAGED (f);
+ }
+diff --git a/src/nsterm.m b/src/nsterm.m
+index 9ab3ff8f783f..6feef6236449 100644
+--- a/src/nsterm.m
+++ b/src/nsterm.m
+@@ -2648,9 +2648,11 @@ Hide the window (X11 semantics)
+ 
+   r = NSIntersectionRect (r, [view frame]);
+   ns_focus (f, &r, 1);
+-  [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] colorWithAlphaComponent: f->alpha_background] set];
+  [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)]
+     colorWithAlphaComponent: f->alpha_background] set];
+ 
+   NSRectFill (r);
+  [[view window] invalidateShadow];
+ 
+   ns_unfocus (f);
+   return;
+@@ -2752,7 +2754,8 @@ Hide the window (X11 semantics)
+         return;
+ 
+       ns_focus (f, NULL, 1);
+-      [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)] colorWithAlphaComponent: f->alpha_background] set];
+      [[[NSColor colorWithUnsignedLong:NS_FACE_BACKGROUND (face)]
+	 colorWithAlphaComponent: f->alpha_background] set];
+       NSRectFill (NSMakeRect (0, margin, width, border));
+       NSRectFill (NSMakeRect (0, 0, border, height));
+       NSRectFill (NSMakeRect (0, margin, width, border));
+@@ -4106,7 +4109,6 @@ Function modeled after x_draw_glyph_string_box ().
+ 	  else
+ 	    [[[NSColor colorWithUnsignedLong: s->face->background]
+ 	       colorWithAlphaComponent: s->f->alpha_background] set];
+-
+ 	  NSRectFill (NSMakeRect (x, s->y, background_width, s->height));
+ 	}
+     }
--- a/patches/native-comp-env-setup.diff.erb
+++ b/patches/native-comp-env-setup.diff.erb
@@ -1,57 +0,0 @@
-diff --git a/lisp/emacs-lisp/comp.el b/lisp/emacs-lisp/comp.el
-index 638d4b274c..2599211936 100644
--- a/lisp/emacs-lisp/comp.el
-+++ b/lisp/emacs-lisp/comp.el
-@@ -4224,6 +4224,52 @@ native-compile-async
-   (let ((load (not (not load))))
-     (native--compile-async files recursively load selector)))
- 
-+;;;###autoload
-+(defun native-compile-setup-environment-variables (&rest _args)
-+  "Ensure LIBRARY_PATH is set correctly when libgccjit is bundled."
-+  (when (and (eq system-type 'darwin)
-+             (string-match-p "\.app\/Contents\/MacOS\/?$"
-+                             invocation-directory))
-+    (let* ((library-path-env (getenv "LIBRARY_PATH"))
-+           (devtools-dir
-+            "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib")
-+           (gcc-dir (expand-file-name
-+                     "<%= app_bundle_relative_lib_dir %>"
-+                     invocation-directory))
-+           (darwin-dir (expand-file-name
-+                        "<%= app_bundle_relative_darwin_lib_dir %>"
-+                        invocation-directory))
-+           (lib-paths (list)))
-+
-+      (if library-path-env
-+          (push library-path-env lib-paths))
-+      (if (file-directory-p devtools-dir)
-+          (push devtools-dir lib-paths))
-+      (push darwin-dir lib-paths)
-+      (push gcc-dir lib-paths)
-+
-+      (setenv "LIBRARY_PATH" (mapconcat 'identity lib-paths ":"))))
-+
-+  ;; Remove advice, as it only needs to run once.
-+  (advice-remove 'native-compile
-+                 'native-compile-setup-environment-variables)
-+  (advice-remove 'comp--native-compile
-+                 'native-compile-setup-environment-variables)
-+  (advice-remove 'native-compile-async
-+                 'native-compile-setup-environment-variables)
-+  (advice-remove 'native--compile-async
-+                 'native-compile-setup-environment-variables))
-+
-+;; Ensure environment setup runs before any native compilation.
-+(advice-add 'native-compile :before
-+            'native-compile-setup-environment-variables)
-+(advice-add 'comp--native-compile :before
-+            'native-compile-setup-environment-variables)
-+(advice-add 'native-compile-async :before
-+            'native-compile-setup-environment-variables)
-+(advice-add 'native--compile-async :before
-+            'native-compile-setup-environment-variables)
-+
- (provide 'comp)
- 
- ;; LocalWords: limplified limplified limplification limplify Limple LIMPLE libgccjit elc eln
--- a/pkg/cask/release_info.go
+++ b/pkg/cask/release_info.go
@@ -28,10 +28,11 @@ func (s *ReleaseInfo) Asset(needles ...string) *ReleaseAsset {
 		return assets[i].Filename < assets[j].Filename
 	})

+assetsLoop:
 	for _, a := range assets {
 		for _, needle := range needles {
 			if !strings.Contains(a.Filename, needle) {
-				continue
+				continue assetsLoop
 			}
 		}

--- a/pkg/cask/release_info_test.go
+++ b/pkg/cask/release_info_test.go
@@ -0,0 +1,80 @@
+package cask
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAsset(t *testing.T) {
+	// Define test cases
+	tests := []struct {
+		name    string
+		release ReleaseInfo
+		needles []string
+		want    *ReleaseAsset
+	}{
+		{
+			name: "single needle, exact match",
+			release: ReleaseInfo{
+				Assets: map[string]*ReleaseAsset{
+					"asset1": {Filename: "asset1.zip"},
+					"asset2": {Filename: "asset2.zip"},
+				},
+			},
+			needles: []string{"asset1"},
+			want:    &ReleaseAsset{Filename: "asset1.zip"},
+		},
+		{
+			name: "multiple needles, all",
+			release: ReleaseInfo{
+				Assets: map[string]*ReleaseAsset{
+					"asset1": {Filename: "asset1.zip"},
+					"asset2": {Filename: "asset2.zip"},
+				},
+			},
+			needles: []string{"zip", "asset1"},
+			want:    &ReleaseAsset{Filename: "asset1.zip"},
+		},
+		{
+			name: "multiple needles, one match",
+			release: ReleaseInfo{
+				Assets: map[string]*ReleaseAsset{
+					"asset1": {Filename: "asset1.zip"},
+					"asset2": {Filename: "asset2.zip"},
+				},
+			},
+			needles: []string{"rar", "asset2"},
+			want:    nil,
+		},
+		{
+			name: "multiple needles, no match",
+			release: ReleaseInfo{
+				Assets: map[string]*ReleaseAsset{
+					"asset1": {Filename: "asset1.zip"},
+					"asset2": {Filename: "asset2.zip"},
+				},
+			},
+			needles: []string{"rar", "asset3"},
+			want:    nil,
+		},
+		{
+			name: "no needles",
+			release: ReleaseInfo{
+				Assets: map[string]*ReleaseAsset{
+					"asset1": {Filename: "asset1.zip"},
+					"asset2": {Filename: "asset2.zip"},
+				},
+			},
+			needles: nil,
+			want:    &ReleaseAsset{Filename: "asset1.zip"},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := tt.release.Asset(tt.needles...)
+
+			assert.Equal(t, tt.want, got)
+		})
+	}
+}
--- a/pkg/cask/update.go
+++ b/pkg/cask/update.go
@@ -145,7 +145,7 @@ func (s *Updater) Update(
 }

 func (s *Updater) putFile(
-	ctx context.Context,
+	_ context.Context,
 	chk *LiveCheck,
 	filename string,
 	content []byte,
@@ -287,7 +287,7 @@ func (s *Updater) createRepoFile(
 	s.logger.Info(
 		"new commit created",
 		"commit", contResp.GetSHA(), "message", contResp.GetMessage(),
-		"url", contResp.Commit.GetHTMLURL(),
+		"url", contResp.GetHTMLURL(),
 	)

 	return nil
@@ -354,12 +354,13 @@ func (s *Updater) updateRepoFile(
 	s.logger.Info(
 		"new commit created",
 		"commit", contResp.GetSHA(), "message", contResp.GetMessage(),
-		"url", contResp.Commit.GetHTMLURL(),
+		"url", contResp.GetHTMLURL(),
 	)

 	return true, nil
 }

+//nolint:funlen
 func (s *Updater) renderCask(
 	ctx context.Context,
 	chk *LiveCheck,
@@ -393,9 +394,7 @@ func (s *Updater) renderCask(
 		filename := asset.GetName()
 		s.logger.Debug("processing asset", "filename", filename)

-		if strings.HasSuffix(filename, ".sha256") {
-			filename = strings.TrimSuffix(filename, ".sha256")
-		}
+		filename = strings.TrimSuffix(filename, ".sha256")

 		if _, ok := info.Assets[filename]; !ok {
 			info.Assets[filename] = &ReleaseAsset{
@@ -435,12 +434,24 @@ func (s *Updater) renderCask(
 		}
 	}

-	templateFile := filepath.Join(s.TemplatesDir, chk.Cask+".rb.tpl")
-	tplContent, err := os.ReadFile(templateFile)
+	tplContent, err := os.ReadFile(
+		filepath.Join(s.TemplatesDir, chk.Cask+".rb.tpl"),
+	)
 	if err != nil {
 		return nil, err
 	}

+	helperContent, err := os.ReadFile(
+		filepath.Join(s.TemplatesDir, "_helpers.tpl"),
+	)
+	if err != nil && !os.IsNotExist(err) {
+		return nil, err
+	}
+
+	if len(helperContent) > 0 {
+		tplContent = append(helperContent, tplContent...)
+	}
+
 	tpl, err := template.New(chk.Cask).Parse(string(tplContent))
 	if err != nil {
 		return nil, err
--- a/pkg/cli/cli.go
+++ b/pkg/cli/cli.go
@@ -46,6 +46,7 @@ func New(version, commit, date string) *CLI {
 			Commands: []*cli2.Command{
 				planCmd(),
 				signCmd(),
+				signFilesCmd(),
 				notarizeCmd(),
 				packageCmd(),
 				releaseCmd(),
--- a/pkg/cli/notarize.go
+++ b/pkg/cli/notarize.go
@@ -25,9 +25,9 @@ func notarizeCmd() *cli2.Command {
 				EnvVars: []string{"AC_USERNAME"},
 			},
 			&cli2.StringFlag{
-				Name:  "ac-password",
-				Usage: "Apple Connect password",
-				Value: "@env:AC_PASSWORD",
+				Name:    "ac-password",
+				Usage:   "Apple Connect password",
+				EnvVars: []string{"AC_PASSWORD"},
 			},
 			&cli2.StringFlag{
 				Name:    "ac-provider",
--- a/pkg/cli/package.go
+++ b/pkg/cli/package.go
@@ -76,9 +76,9 @@ func packageCmd() *cli2.Command {
 				EnvVars: []string{"AC_USERNAME"},
 			},
 			&cli2.StringFlag{
-				Name:  "ac-password",
-				Usage: "(with --sign) Apple Connect password",
-				Value: "@env:AC_PASSWORD",
+				Name:    "ac-password",
+				Usage:   "(with --sign) Apple Connect password",
+				EnvVars: []string{"AC_PASSWORD"},
 			},
 			&cli2.StringFlag{
 				Name:    "ac-provider",
--- a/pkg/cli/plan.go
+++ b/pkg/cli/plan.go
@@ -38,6 +38,10 @@ func planCmd() *cli2.Command {
 				Name:  "sha",
 				Usage: "override commit SHA of specified git branch/tag",
 			},
+			&cli2.IntFlag{
+				Name:  "build-variant",
+				Usage: "build variant to add to the end of the version string",
+			},
 			&cli2.StringFlag{
 				Name:    "format",
 				Aliases: []string{"f"},
@@ -90,6 +94,7 @@ func planAction(c *cli2.Context, opts *Options) error {
 		EmacsRepo:     c.String("emacs-repo"),
 		Ref:           ref,
 		SHAOverride:   c.String("sha"),
+		BuildVariant:  c.Int("build-variant"),
 		OutputDir:     c.String("output-dir"),
 		TestBuild:     c.String("test-build"),
 		TestBuildType: plan.Prerelease,
--- a/pkg/cli/sign.go
+++ b/pkg/cli/sign.go
@@ -112,3 +112,49 @@ func signAction(c *cli2.Context, opts *Options) error {

 	return sign.Emacs(c.Context, app, signOpts)
 }
+
+func signFilesCmd() *cli2.Command {
+	signCmd := signCmd()
+
+	var flags []cli2.Flag
+	for _, f := range signCmd.Flags {
+		n := f.Names()
+		if len(n) > 0 && n[0] == "plan" {
+			continue
+		}
+
+		flags = append(flags, f)
+	}
+
+	return &cli2.Command{
+		Name:      "sign-files",
+		Usage:     "sign files with codesign",
+		ArgsUsage: "<file> [<file>...]",
+		Hidden:    true,
+		Flags:     flags,
+		Action:    actionWrapper(signFilesAction),
+	}
+}
+
+func signFilesAction(c *cli2.Context, opts *Options) error {
+	signOpts := &sign.Options{
+		Identity:    c.String("sign"),
+		Options:     c.StringSlice("options"),
+		Deep:        c.Bool("deep"),
+		Timestamp:   c.Bool("timestamp"),
+		Force:       c.Bool("force"),
+		Verbose:     c.Bool("verbose"),
+		CodeSignCmd: c.String("codesign"),
+	}
+
+	if v := c.StringSlice("entitlements"); len(v) > 0 {
+		e := sign.Entitlements(v)
+		signOpts.Entitlements = &e
+	}
+
+	if !opts.quiet {
+		signOpts.Output = os.Stdout
+	}
+
+	return sign.Files(c.Context, c.Args().Slice(), signOpts)
+}
--- a/pkg/dmg/assets/assets.go
+++ b/pkg/dmg/assets/assets.go
@@ -8,6 +8,7 @@ import (
 //go:generate tiffutil -cathidpicheck bg.png bg@2x.png -out bg.tif

 // Background is a raw byte slice of bytes of bg.tiff
+//
 //go:embed bg.tif
 var Background []byte

@@ -19,6 +20,7 @@ func BackgroundTempFile() (string, error) {
 }

 // Icon is a raw byte slice of bytes of vol.icns
+//
 //go:embed vol.icns
 var Icon []byte

--- a/pkg/dmg/dmg.go
+++ b/pkg/dmg/dmg.go
@@ -22,8 +22,9 @@ type Options struct {
 	Output          io.Writer
 }

-//nolint:funlen
 // Create will create a *.dmg disk image as specified by the given Options.
+//
+//nolint:funlen
 func Create(ctx context.Context, opts *Options) (string, error) {
 	logger := hclog.FromContext(ctx).Named("package")

@@ -109,6 +110,18 @@ func Create(ctx context.Context, opts *Options) (string, error) {
 		})
 	}

+	configureOutputFile := filepath.Join(sourceDir, "configure_output.txt")
+	fi, err = os.Stat(configureOutputFile)
+	if err != nil && !os.IsNotExist(err) {
+		return "", err
+	} else if err == nil && fi.Mode().IsRegular() {
+		settings.Files = append(settings.Files, &dmgbuild.File{
+			Path: configureOutputFile,
+			PosX: 340,
+			PosY: 756,
+		})
+	}
+
 	if opts.Output != nil {
 		settings.Stdout = opts.Output
 		settings.Stderr = opts.Output
--- a/pkg/dmgbuild/settings.go
+++ b/pkg/dmgbuild/settings.go
@@ -90,9 +90,10 @@ func NewSettings() *Settings {
 	}
 }

-//nolint:funlen,gocyclo
 // Render returns a string slice where each string is a separate settings
 // statement.
+//
+//nolint:funlen,gocyclo
 func (s *Settings) Render() ([]string, error) {
 	r := []string{
 		"# -*- coding: utf-8 -*-\n",
--- a/pkg/notarize/notarize.go
+++ b/pkg/notarize/notarize.go
@@ -7,9 +7,9 @@ import (
 	"sync"
 	"time"

+	"github.com/bearer/gon/notarize"
+	"github.com/bearer/gon/staple"
 	"github.com/hashicorp/go-hclog"
-	"github.com/mitchellh/gon/notarize"
-	"github.com/mitchellh/gon/staple"
 )

 type Options struct {
@@ -25,21 +25,23 @@ func Notarize(ctx context.Context, opts *Options) error {
 	logger := hclog.FromContext(ctx).Named("notarize")

 	notarizeOpts := &notarize.Options{
-		File:     opts.File,
-		BundleId: opts.BundleID,
-		Username: opts.Username,
-		Password: opts.Password,
-		Provider: opts.Provider,
-		BaseCmd:  exec.CommandContext(ctx, ""),
+		File:        opts.File,
+		DeveloperId: opts.Username,
+		Password:    opts.Password,
+		Provider:    opts.Provider,
+		BaseCmd:     exec.CommandContext(ctx, ""),
 		Status: &status{
 			Lock:   &sync.Mutex{},
 			Logger: logger,
 		},
+		// Ensure we don't log anything from the notarize package, as it will
+		// log the password. We'll handle logging ourselves.
+		Logger: hclog.NewNullLogger(),
 	}

 	logger.Info("notarizing", "file", filepath.Base(opts.File))

-	info, err := notarize.Notarize(ctx, notarizeOpts)
+	info, _, err := notarize.Notarize(ctx, notarizeOpts)
 	if err != nil {
 		return err
 	}
@@ -68,9 +70,15 @@ type status struct {
 	Lock   *sync.Mutex
 	Logger hclog.Logger

-	lastStatusTime time.Time
+	lastinfoStatus     string
+	lastInfoStatusTime time.Time
+
+	lastLogStatus     string
+	lastLogStatusTime time.Time
 }

+var _ notarize.Status = (*status)(nil)
+
 func (s *status) Submitting() {
 	s.Lock.Lock()
 	defer s.Lock.Unlock()
@@ -82,17 +90,34 @@ func (s *status) Submitted(uuid string) {
 	s.Lock.Lock()
 	defer s.Lock.Unlock()

-	s.Logger.Info("submitted")
-	s.Logger.Debug("request", "uuid", uuid)
-	s.Logger.Info("waiting for result from Apple...")
+	msg := "submitted, waiting for result from Apple"
+	if s.Logger.IsDebug() {
+		s.Logger.Debug(msg, "uuid", uuid)
+	} else {
+		s.Logger.Info(msg)
+	}
 }

-func (s *status) Status(info notarize.Info) {
+func (s *status) InfoStatus(info notarize.Info) {
 	s.Lock.Lock()
 	defer s.Lock.Unlock()

-	if time.Now().After(s.lastStatusTime.Add(60 * time.Second)) {
-		s.lastStatusTime = time.Now()
+	if s.lastinfoStatus != info.Status ||
+		time.Now().After(s.lastInfoStatusTime.Add(60*time.Second)) {
+		s.lastinfoStatus = info.Status
+		s.lastInfoStatusTime = time.Now()
 		s.Logger.Info("status update", "status", info.Status)
 	}
 }
+
+func (s *status) LogStatus(log notarize.Log) {
+	s.Lock.Lock()
+	defer s.Lock.Unlock()
+
+	if s.lastLogStatus != log.Status ||
+		time.Now().After(s.lastLogStatusTime.Add(60*time.Second)) {
+		s.lastLogStatus = log.Status
+		s.lastLogStatusTime = time.Now()
+		s.Logger.Info("log status update", "status", log.Status)
+	}
+}
--- a/pkg/osinfo/osinfo.go
+++ b/pkg/osinfo/osinfo.go
@@ -1,50 +1,71 @@
 package osinfo

 import (
+	"os"
 	"os/exec"
 	"strconv"
 	"strings"
 )

 type OSInfo struct {
-	Name    string `yaml:"name" json:"name"`
-	Version string `yaml:"version" json:"version"`
-	Arch    string `yaml:"arch" json:"arch"`
+	Name       string `yaml:"name" json:"name"`
+	Version    string `yaml:"version" json:"version"`
+	SDKVersion string `yaml:"sdk_version" json:"sdk_version"`
+	Arch       string `yaml:"arch" json:"arch"`
 }

 func New() (*OSInfo, error) {
-	version, err := exec.Command("sw_vers", "-productVersion").CombinedOutput()
+	version, err := exec.Command("sw_vers", "-productVersion").Output()
 	if err != nil {
 		return nil, err
 	}

+	sdkVersion := os.Getenv("MACOSX_DEPLOYMENT_TARGET")
+	if sdkVersion == "" {
+		var ver []byte
+		ver, err = exec.Command("xcrun", "--show-sdk-version").Output()
+		if err != nil {
+			return nil, err
+		}
+
+		sdkVersion = string(ver)
+	}
+
 	arch, err := exec.Command("uname", "-m").CombinedOutput()
 	if err != nil {
 		return nil, err
 	}

 	return &OSInfo{
-		Name:    "macOS",
-		Version: strings.TrimSpace(string(version)),
-		Arch:    strings.TrimSpace(string(arch)),
+		Name:       "macOS",
+		Version:    strings.TrimSpace(string(version)),
+		SDKVersion: strings.TrimSpace(sdkVersion),
+		Arch:       strings.TrimSpace(string(arch)),
 	}, nil
 }

-// DistinctVersion returns macOS version down to a distinct "major"
-// version. For macOS 10.x, this will include the first two numeric parts of the
-// version (10.15), while for 11.x and later, the first numeric part is enough
-// (11).
+// DistinctVersion returns macOS version down to a distinct "major" version. For
+// macOS 10.x, this will include the first two numeric parts of the version
+// (10.15), while for 11.x and later, the first numeric part is enough (11).
 func (s *OSInfo) DistinctVersion() string {
-	parts := strings.Split(s.Version, ".")
+	return s.distinctVersion(s.Version)
+}
+
+// DistinctSDKVersion returns macOS version down to a distinct "major" version.
+// For macOS 10.x, this will include the first two numeric parts of the version
+// (10.15), while for 11.x and later, the first numeric part is enough (11).
+func (s *OSInfo) DistinctSDKVersion() string {
+	return s.distinctVersion(s.SDKVersion)
+}
+
+func (s *OSInfo) distinctVersion(version string) string {
+	parts := strings.Split(version, ".")

 	if n, _ := strconv.Atoi(parts[0]); n >= 11 {
 		return parts[0]
 	}

-	max := len(parts)
-	if max > 2 {
-		max = 2
-	}
+	end := min(len(parts), 2)

-	return strings.Join(parts[0:max], ".")
+	return strings.Join(parts[0:end], ".")
 }
--- a/pkg/plan/create.go
+++ b/pkg/plan/create.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"regexp"
+	"strconv"
 	"strings"

 	"github.com/hashicorp/go-hclog"
@@ -13,10 +14,13 @@ import (
 	"github.com/jimeh/build-emacs-for-macos/pkg/osinfo"
 	"github.com/jimeh/build-emacs-for-macos/pkg/release"
 	"github.com/jimeh/build-emacs-for-macos/pkg/repository"
+	"github.com/jimeh/build-emacs-for-macos/pkg/sanitize"
 	"github.com/jimeh/build-emacs-for-macos/pkg/source"
 )

-var nonAlphaNum = regexp.MustCompile(`[^\w_-]+`)
+var gitTagMatcher = regexp.MustCompile(
+	`^emacs(-.*)?-((\d+\.\d+)(?:\.(\d+))?(-rc\d+)?(.+)?)$`,
+)

 type TestBuildType string

@@ -31,13 +35,14 @@ type Options struct {
 	EmacsRepo     string
 	Ref           string
 	SHAOverride   string
+	BuildVariant  int
 	OutputDir     string
 	TestBuild     string
 	TestBuildType TestBuildType
 	Output        io.Writer
 }

-func Create(ctx context.Context, opts *Options) (*Plan, error) {
+func Create(ctx context.Context, opts *Options) (*Plan, error) { //nolint:funlen
 	logger := hclog.FromContext(ctx).Named("plan")

 	repo, err := repository.NewGitHub(opts.EmacsRepo)
@@ -66,19 +71,49 @@ func Create(ctx context.Context, opts *Options) (*Plan, error) {
 		return nil, err
 	}

-	version := fmt.Sprintf(
+	absoluteVersion := fmt.Sprintf(
 		"%s.%s.%s",
 		commitInfo.DateString(),
 		commitInfo.ShortSHA(),
-		sanitizeString(opts.Ref),
+		sanitize.String(opts.Ref),
 	)

-	releaseName := fmt.Sprintf("Emacs.%s", version)
+	version, channel, err := parseGitRef(opts.Ref)
+	if err != nil {
+		return nil, err
+	}
+
+	var releaseName string
+	switch channel {
+	case release.Stable, release.RC:
+		releaseName = "Emacs-" + version
+	case release.Pretest:
+		version += "-pretest"
+		absoluteVersion += "-pretest"
+		releaseName = "Emacs-" + version
+	default:
+		version = absoluteVersion
+		releaseName = "Emacs." + version
+	}
+
+	if opts.BuildVariant != 0 {
+		variant := strconv.Itoa(opts.BuildVariant)
+		absoluteVersion += "-" + variant
+		releaseName += "-" + variant
+	}
+
+	// Attempt to get the macOS SDK version from the environment, if it's not
+	// available, use the version from the system.
+	targetMacOSVersion := osInfo.DistinctSDKVersion()
+	if targetMacOSVersion == "" {
+		targetMacOSVersion = osInfo.DistinctVersion()
+	}
+
 	buildName := fmt.Sprintf(
 		"Emacs.%s.%s.%s",
-		version,
-		sanitizeString(osInfo.Name+"-"+osInfo.DistinctVersion()),
-		sanitizeString(osInfo.Arch),
+		absoluteVersion,
+		sanitize.String(osInfo.Name+"-"+targetMacOSVersion),
+		sanitize.String(osInfo.Arch),
 	)
 	diskImage := buildName + ".dmg"

@@ -97,7 +132,8 @@ func Create(ctx context.Context, opts *Options) (*Plan, error) {
 		OS: osInfo,
 		Release: &Release{
 			Name:       releaseName,
-			Prerelease: true,
+			Prerelease: channel != release.Stable,
+			Channel:    channel,
 		},
 		Output: &Output{
 			Directory: opts.OutputDir,
@@ -105,28 +141,18 @@ func Create(ctx context.Context, opts *Options) (*Plan, error) {
 		},
 	}

-	// If given git ref is a stable release tag (emacs-23.2b, emacs-27.2, etc.)
-	// we modify release properties accordingly.
-	if v, err := release.GitRefToStableVersion(opts.Ref); err == nil {
-		plan.Release.Prerelease = false
-		plan.Release.Name, err = release.VersionToName(v)
-		if err != nil {
-			return nil, err
-		}
-	}
-
 	if opts.TestBuild != "" {
-		testName := sanitizeString(opts.TestBuild)
+		testName := sanitize.String(opts.TestBuild)

 		plan.Build.Name += ".test." + testName
-		plan.Release.Title = "Test Builds"
-		plan.Release.Name = "test-builds"
+		plan.Release.Title = "Test Builds (" + testName + ")"
+		plan.Release.Name = "test-builds-" + testName

-		plan.Release.Prerelease = true
-		plan.Release.Draft = false
-		if opts.TestBuildType == Draft {
-			plan.Release.Prerelease = false
-			plan.Release.Draft = true
+		plan.Release.Prerelease = false
+		plan.Release.Draft = true
+		if opts.TestBuildType == Prerelease {
+			plan.Release.Prerelease = true
+			plan.Release.Draft = false
 		}

 		index := strings.LastIndex(diskImage, ".")
@@ -137,6 +163,35 @@ func Create(ctx context.Context, opts *Options) (*Plan, error) {
 	return plan, nil
 }

-func sanitizeString(s string) string {
-	return nonAlphaNum.ReplaceAllString(s, "-")
+func parseGitRef(ref string) (string, release.Channel, error) {
+	m := gitTagMatcher.FindStringSubmatch(ref)
+
+	if len(m) == 0 {
+		return "", release.Nightly, nil
+	}
+
+	if strings.Contains(m[1], "pretest") {
+		return m[2], release.Pretest, nil
+	}
+
+	if m[4] != "" {
+		n, err := strconv.Atoi(m[4])
+		if err != nil {
+			return "", "", err
+		}
+
+		if n >= 90 {
+			return m[2], release.Pretest, nil
+		}
+	}
+
+	if strings.HasPrefix(m[5], "-rc") {
+		return m[2], release.RC, nil
+	}
+
+	if m[2] == m[3] {
+		return m[2], release.Stable, nil
+	}
+
+	return "", "", nil
 }
--- a/pkg/plan/create_test.go
+++ b/pkg/plan/create_test.go
@@ -0,0 +1,421 @@
+package plan
+
+import (
+	"testing"
+
+	"github.com/jimeh/build-emacs-for-macos/pkg/release"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_parseGitRef(t *testing.T) {
+	t.Parallel()
+
+	type args struct {
+		ref string
+	}
+	type want struct {
+		version string
+		channel release.Channel
+		err     string
+	}
+	tests := []struct {
+		name string
+		args args
+		want want
+	}{
+		{
+			name: "master",
+			args: args{ref: "master"},
+			want: want{version: "", channel: release.Nightly, err: ""},
+		},
+		{
+			name: "emacs-28",
+			args: args{ref: "emacs-28"},
+			want: want{version: "", channel: release.Nightly, err: ""},
+		},
+		{
+			name: "emacs-27",
+			args: args{ref: "emacs-27"},
+			want: want{version: "", channel: release.Nightly, err: ""},
+		},
+		{
+			name: "emacs-26",
+			args: args{ref: "emacs-26"},
+			want: want{version: "", channel: release.Nightly, err: ""},
+		},
+		{
+			name: "emacs-24",
+			args: args{ref: "emacs-24"},
+			want: want{version: "", channel: release.Nightly, err: ""},
+		},
+		{
+			name: "feature/native-comp",
+			args: args{ref: "feature/native-comp"},
+			want: want{version: "", channel: release.Nightly, err: ""},
+		},
+		{
+			name: "feature/pgtk",
+			args: args{ref: "feature/pgtk"},
+			want: want{version: "", channel: release.Nightly, err: ""},
+		},
+		{
+			name: "emacs-19.34",
+			args: args{ref: "emacs-19.34"},
+			want: want{version: "19.34", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-20.4",
+			args: args{ref: "emacs-20.4"},
+			want: want{version: "20.4", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-22.3",
+			args: args{ref: "emacs-22.3"},
+			want: want{version: "22.3", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-23.4",
+			args: args{ref: "emacs-23.4"},
+			want: want{version: "23.4", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-24.0.97",
+			args: args{ref: "emacs-24.0.97"},
+			want: want{version: "24.0.97", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-24.2",
+			args: args{ref: "emacs-24.2"},
+			want: want{version: "24.2", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-24.2.90",
+			args: args{ref: "emacs-24.2.90"},
+			want: want{version: "24.2.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-24.2.93",
+			args: args{ref: "emacs-24.2.93"},
+			want: want{version: "24.2.93", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-24.3",
+			args: args{ref: "emacs-24.3"},
+			want: want{version: "24.3", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-24.3-rc1",
+			args: args{ref: "emacs-24.3-rc1"},
+			want: want{version: "24.3-rc1", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-24.3.90",
+			args: args{ref: "emacs-24.3.90"},
+			want: want{version: "24.3.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-24.3.94",
+			args: args{ref: "emacs-24.3.94"},
+			want: want{version: "24.3.94", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-24.4",
+			args: args{ref: "emacs-24.4"},
+			want: want{version: "24.4", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-24.4-rc1",
+			args: args{ref: "emacs-24.4-rc1"},
+			want: want{version: "24.4-rc1", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-24.4.90",
+			args: args{ref: "emacs-24.4.90"},
+			want: want{version: "24.4.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-24.4.91",
+			args: args{ref: "emacs-24.4.91"},
+			want: want{version: "24.4.91", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-24.5",
+			args: args{ref: "emacs-24.5"},
+			want: want{version: "24.5", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-24.5-rc1",
+			args: args{ref: "emacs-24.5-rc1"},
+			want: want{version: "24.5-rc1", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-24.5-rc3",
+			args: args{ref: "emacs-24.5-rc3"},
+			want: want{version: "24.5-rc3", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-24.5-rc3-fixed",
+			args: args{ref: "emacs-24.5-rc3-fixed"},
+			want: want{version: "24.5-rc3-fixed", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-25.0.90",
+			args: args{ref: "emacs-25.0.90"},
+			want: want{version: "25.0.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-25.0.95",
+			args: args{ref: "emacs-25.0.95"},
+			want: want{version: "25.0.95", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-25.1",
+			args: args{ref: "emacs-25.1"},
+			want: want{version: "25.1", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-25.1-rc1",
+			args: args{ref: "emacs-25.1-rc1"},
+			want: want{version: "25.1-rc1", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-25.1-rc2",
+			args: args{ref: "emacs-25.1-rc2"},
+			want: want{version: "25.1-rc2", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-25.1.90",
+			args: args{ref: "emacs-25.1.90"},
+			want: want{version: "25.1.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-25.1.91",
+			args: args{ref: "emacs-25.1.91"},
+			want: want{version: "25.1.91", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-25.2",
+			args: args{ref: "emacs-25.2"},
+			want: want{version: "25.2", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-25.2-rc1",
+			args: args{ref: "emacs-25.2-rc1"},
+			want: want{version: "25.2-rc1", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-25.2-rc2",
+			args: args{ref: "emacs-25.2-rc2"},
+			want: want{version: "25.2-rc2", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-26.0.90",
+			args: args{ref: "emacs-26.0.90"},
+			want: want{version: "26.0.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-26.0.91",
+			args: args{ref: "emacs-26.0.91"},
+			want: want{version: "26.0.91", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-26.1",
+			args: args{ref: "emacs-26.1"},
+			want: want{version: "26.1", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-26.1-rc1",
+			args: args{ref: "emacs-26.1-rc1"},
+			want: want{version: "26.1-rc1", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-26.1.90",
+			args: args{ref: "emacs-26.1.90"},
+			want: want{version: "26.1.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-26.1.92",
+			args: args{ref: "emacs-26.1.92"},
+			want: want{version: "26.1.92", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-26.2",
+			args: args{ref: "emacs-26.2"},
+			want: want{version: "26.2", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-26.2.90",
+			args: args{ref: "emacs-26.2.90"},
+			want: want{version: "26.2.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-26.3",
+			args: args{ref: "emacs-26.3"},
+			want: want{version: "26.3", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-26.3-rc1",
+			args: args{ref: "emacs-26.3-rc1"},
+			want: want{version: "26.3-rc1", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-27.0.90",
+			args: args{ref: "emacs-27.0.90"},
+			want: want{version: "27.0.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-27.0.91",
+			args: args{ref: "emacs-27.0.91"},
+			want: want{version: "27.0.91", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-27.1",
+			args: args{ref: "emacs-27.1"},
+			want: want{version: "27.1", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-27.1-rc1",
+			args: args{ref: "emacs-27.1-rc1"},
+			want: want{version: "27.1-rc1", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-27.1-rc2",
+			args: args{ref: "emacs-27.1-rc2"},
+			want: want{version: "27.1-rc2", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-27.1.90",
+			args: args{ref: "emacs-27.1.90"},
+			want: want{version: "27.1.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-27.1.91",
+			args: args{ref: "emacs-27.1.91"},
+			want: want{version: "27.1.91", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-27.2",
+			args: args{ref: "emacs-27.2"},
+			want: want{version: "27.2", channel: release.Stable, err: ""},
+		},
+		{
+			name: "emacs-27.2-rc1",
+			args: args{ref: "emacs-27.2-rc1"},
+			want: want{version: "27.2-rc1", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-27.2-rc2",
+			args: args{ref: "emacs-27.2-rc2"},
+			want: want{version: "27.2-rc2", channel: release.RC, err: ""},
+		},
+		{
+			name: "emacs-28.0.90",
+			args: args{ref: "emacs-28.0.90"},
+			want: want{version: "28.0.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-21.0.100",
+			args: args{ref: "emacs-pretest-21.0.100"},
+			want: want{version: "21.0.100", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-21.0.106",
+			args: args{ref: "emacs-pretest-21.0.106"},
+			want: want{version: "21.0.106", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-21.0.90",
+			args: args{ref: "emacs-pretest-21.0.90"},
+			want: want{version: "21.0.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-21.0.99",
+			args: args{ref: "emacs-pretest-21.0.99"},
+			want: want{version: "21.0.99", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-22.0.90",
+			args: args{ref: "emacs-pretest-22.0.90"},
+			want: want{version: "22.0.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-22.0.99",
+			args: args{ref: "emacs-pretest-22.0.99"},
+			want: want{version: "22.0.99", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-22.0.990",
+			args: args{ref: "emacs-pretest-22.0.990"},
+			want: want{version: "22.0.990", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-22.1.90",
+			args: args{ref: "emacs-pretest-22.1.90"},
+			want: want{version: "22.1.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-22.2.90",
+			args: args{ref: "emacs-pretest-22.2.90"},
+			want: want{version: "22.2.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-23.0.90",
+			args: args{ref: "emacs-pretest-23.0.90"},
+			want: want{version: "23.0.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-23.1.90",
+			args: args{ref: "emacs-pretest-23.1.90"},
+			want: want{version: "23.1.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-23.2.90",
+			args: args{ref: "emacs-pretest-23.2.90"},
+			want: want{version: "23.2.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-23.2.91",
+			args: args{ref: "emacs-pretest-23.2.91"},
+			want: want{version: "23.2.91", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-23.2.93",
+			args: args{ref: "emacs-pretest-23.2.93"},
+			want: want{version: "23.2.93", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-23.2.93.1",
+			args: args{ref: "emacs-pretest-23.2.93.1"},
+			want: want{version: "23.2.93.1", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-23.3.90",
+			args: args{ref: "emacs-pretest-23.3.90"},
+			want: want{version: "23.3.90", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-24.0.05",
+			args: args{ref: "emacs-pretest-24.0.05"},
+			want: want{version: "24.0.05", channel: release.Pretest, err: ""},
+		},
+		{
+			name: "emacs-pretest-24.0.90",
+			args: args{ref: "emacs-pretest-24.0.90"},
+			want: want{version: "24.0.90", channel: release.Pretest, err: ""},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, gotChannel, err := parseGitRef(tt.args.ref)
+
+			assert.Equal(t, tt.want.version, got)
+			assert.Equal(t, tt.want.channel, gotChannel)
+
+			if tt.want.err == "" {
+				assert.NoError(t, err)
+			} else {
+				assert.EqualError(t, err, tt.want.err)
+			}
+		})
+	}
+}
--- a/pkg/plan/plan.go
+++ b/pkg/plan/plan.go
@@ -7,6 +7,7 @@ import (
 	"os"

 	"github.com/jimeh/build-emacs-for-macos/pkg/osinfo"
+	"github.com/jimeh/build-emacs-for-macos/pkg/release"
 	"github.com/jimeh/build-emacs-for-macos/pkg/source"
 	"gopkg.in/yaml.v3"
 )
@@ -78,10 +79,11 @@ type Build struct {
 }

 type Release struct {
-	Name       string `yaml:"name" json:"name"`
-	Title      string `yaml:"title,omitempty" json:"title,omitempty"`
-	Draft      bool   `yaml:"draft,omitempty" json:"draft,omitempty"`
-	Prerelease bool   `yaml:"prerelease,omitempty" json:"prerelease,omitempty"`
+	Name       string          `yaml:"name" json:"name"`
+	Title      string          `yaml:"title,omitempty" json:"title,omitempty"`
+	Draft      bool            `yaml:"draft,omitempty" json:"draft,omitempty"`
+	Prerelease bool            `yaml:"prerelease,omitempty" json:"prerelease,omitempty"`
+	Channel    release.Channel `yaml:"channel,omitempty" json:"channel,omitempty"`
 }

 type Output struct {
--- a/pkg/release/channel.go
+++ b/pkg/release/channel.go
@@ -0,0 +1,11 @@
+package release
+
+type Channel string
+
+// Release channels
+const (
+	Stable  Channel = "stable"
+	RC      Channel = "release-candidate"
+	Pretest Channel = "pretest"
+	Nightly Channel = "nightly"
+)
--- a/pkg/release/version.go
+++ b/pkg/release/version.go
@@ -17,8 +17,9 @@ var (
 )

 var (
-	stableVersion = regexp.MustCompile(`^\d+\.\d+(?:[a-z]+)?$`)
-	stableGetRef  = regexp.MustCompile(`^emacs-(\d+\.\d+(?:[a-z]+)?)$`)
+	stableVersion  = regexp.MustCompile(`^\d+\.\d+(?:[a-z]+)?(-\d+)?$`)
+	pretestVersion = regexp.MustCompile(`-pretest(-\d+)?$`)
+	stableGitRef   = regexp.MustCompile(`^emacs-(\d+\.\d+(?:[a-z]+)?)$`)
 )

 func VersionToName(version string) (string, error) {
@@ -26,7 +27,8 @@ func VersionToName(version string) (string, error) {
 		return "", ErrEmptyVersion
 	}

-	if stableVersion.MatchString(version) {
+	if stableVersion.MatchString(version) ||
+		pretestVersion.MatchString(version) {
 		return "Emacs-" + version, nil
 	}

@@ -34,7 +36,7 @@ func VersionToName(version string) (string, error) {
 }

 func GitRefToStableVersion(ref string) (string, error) {
-	if m := stableGetRef.FindStringSubmatch(ref); len(m) > 1 {
+	if m := stableGitRef.FindStringSubmatch(ref); len(m) > 1 {
 		return m[1], nil
 	}

--- a/pkg/release/version_test.go
+++ b/pkg/release/version_test.go
@@ -30,6 +30,27 @@ func TestVersionToName(t *testing.T) {
 			},
 			want: "Emacs.2021-07-01.1b88404.master",
 		},
+		{
+			name: "nightly with variant",
+			args: args{
+				version: "2021-07-01.1b88404.master-1",
+			},
+			want: "Emacs.2021-07-01.1b88404.master-1",
+		},
+		{
+			name: "pretest",
+			args: args{
+				version: "30.0.93-pretest",
+			},
+			want: "Emacs-30.0.93-pretest",
+		},
+		{
+			name: "pretest with variant",
+			args: args{
+				version: "30.0.93-pretest-1",
+			},
+			want: "Emacs-30.0.93-pretest-1",
+		},
 		{
 			name: "stable",
 			args: args{
@@ -44,6 +65,20 @@ func TestVersionToName(t *testing.T) {
 			},
 			want: "Emacs-23.3b",
 		},
+		{
+			name: "stable with variant",
+			args: args{
+				version: "23.3-1",
+			},
+			want: "Emacs-23.3-1",
+		},
+		{
+			name: "stable with letter and variant",
+			args: args{
+				version: "23.3b-1",
+			},
+			want: "Emacs-23.3b-1",
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
--- a/pkg/repository/repository.go
+++ b/pkg/repository/repository.go
@@ -128,3 +128,15 @@ func (s *Repository) ActionRunURL(runID string) string {
 		return ""
 	}
 }
+
+func (s *Repository) ReleaseURL(releaseName string) string {
+	if releaseName == "" {
+		return ""
+	}
+	switch s.Type {
+	case GitHub:
+		return GitHubBaseURL + s.Source + "/releases/tag/" + releaseName
+	default:
+		return ""
+	}
+}
--- a/pkg/repository/repository_test.go
+++ b/pkg/repository/repository_test.go
@@ -0,0 +1,54 @@
+package repository
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRepository_ReleaseURL(t *testing.T) {
+	type fields struct {
+		Type   Type
+		Source string
+	}
+	type args struct {
+		releaseName string
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		args   args
+		want   string
+	}{
+		{
+			name:   "empty name",
+			fields: fields{Type: GitHub, Source: "foo/bar"},
+			args:   args{releaseName: ""},
+			want:   "",
+		},
+		{
+			name:   "GitHub, foo/bar, v1.0.0",
+			fields: fields{Type: GitHub, Source: "foo/bar"},
+			args:   args{releaseName: "v1.0.0"},
+			want:   "https://github.com/foo/bar/releases/tag/v1.0.0",
+		},
+		{
+			name:   "Not GitHub, foo/bar, v1.0.0",
+			fields: fields{Type: Type("oops"), Source: "foo/bar"},
+			args:   args{releaseName: "v1.0.0"},
+			want:   "",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			repo := &Repository{
+				Type:   tt.fields.Type,
+				Source: tt.fields.Source,
+			}
+
+			got := repo.ReleaseURL(tt.args.releaseName)
+
+			assert.Equal(t, tt.want, got)
+		})
+	}
+}
--- a/pkg/sanitize/string.go
+++ b/pkg/sanitize/string.go
@@ -0,0 +1,9 @@
+package sanitize
+
+import "regexp"
+
+var nonAlphaNum = regexp.MustCompile(`[^\w_-]+`)
+
+func String(s string) string {
+	return nonAlphaNum.ReplaceAllString(s, "-")
+}
--- a/pkg/sign/emacs.go
+++ b/pkg/sign/emacs.go
@@ -123,7 +123,7 @@ func signCLIHelper(ctx context.Context, appBundle string, opts *Options) error {
 // app bundle itself.
 func elnFiles(emacsApp string) ([]string, error) {
 	var files []string
-	walkDirFunc := func(path string, d fs.DirEntry, _err error) error {
+	walkDirFunc := func(path string, d fs.DirEntry, _ error) error {
 		if d.Type().IsRegular() && strings.HasSuffix(path, ".eln") &&
 			!strings.Contains(path, ".app/Contents/Frameworks/") {
 			files = append(files, path)
--- a/pkg/sign/entitlements.go
+++ b/pkg/sign/entitlements.go
@@ -14,6 +14,7 @@ var DefaultEmacsEntitlements = []string{
 	"com.apple.security.cs.allow-jit",
 	"com.apple.security.network.client",
 	"com.apple.security.cs.disable-library-validation",
+	"com.apple.security.cs.allow-dyld-environment-variables",
 	"com.apple.security.automation.apple-events",
 }

--- a/pkg/sign/entitlements_test.go
+++ b/pkg/sign/entitlements_test.go
@@ -50,6 +50,7 @@ var entitlementsTestCases = []struct {
 			"com.apple.security.cs.allow-jit",
 			"com.apple.security.network.client",
 			"com.apple.security.cs.disable-library-validation",
+			"com.apple.security.cs.allow-dyld-environment-variables",
 			"com.apple.security.automation.apple-events",
 		},
 		//nolint:lll
@@ -64,6 +65,8 @@ var entitlementsTestCases = []struct {
                <true/>
                <key>com.apple.security.cs.disable-library-validation</key>
                <true/>
+                <key>com.apple.security.cs.allow-dyld-environment-variables</key>
+                <true/>
                <key>com.apple.security.automation.apple-events</key>
                <true/>
              </dict>
@@ -78,6 +81,7 @@ func TestDefaultEmacsEntitlements(t *testing.T) {
 			"com.apple.security.cs.allow-jit",
 			"com.apple.security.network.client",
 			"com.apple.security.cs.disable-library-validation",
+			"com.apple.security.cs.allow-dyld-environment-variables",
 			"com.apple.security.automation.apple-events",
 		},
 		DefaultEmacsEntitlements,