feat(icon): use custom Liquid Glass icon for Emacs.app

Use EmacsLG1 icon from in all builds:
https://github.com/jimeh/emacs-liquid-glass-icons

.github/workflows/_build.yml

@@ -20,6 +20,10 @@ on:
         required: false
         default: ""
         type: string
+      build_variant:
+        description: "Optional build number used as version suffix"
+        required: false
+        type: string
       test_build_name:
         description: "Test build name"
         required: false
@@ -65,6 +69,7 @@ jobs:
       git_ref: ${{ inputs.git_ref }}
       git_sha: ${{ inputs.git_sha }}
       build_args: ${{ inputs.builder_args }}
+      build_variant: ${{ inputs.build_variant }}
       test_build_name: ${{ inputs.test_build_name }}
       test_release_type: ${{ inputs.test_release_type }}
     secrets: inherit
@@ -104,6 +109,7 @@ jobs:
       git_ref: ${{ inputs.git_ref }}
       git_sha: ${{ inputs.git_sha }}
       build_args: ${{ inputs.builder_args }}
+      build_variant: ${{ inputs.build_variant }}
       test_build_name: ${{ inputs.test_build_name }}
       test_release_type: ${{ inputs.test_release_type }}
     secrets: inherit

.github/workflows/_build_emacs.yml

@@ -34,6 +34,10 @@ on:
         description: Custom arguments passed to build script
         type: string
         required: false
+      build_variant:
+        description: "Optional build number used as version suffix"
+        type: string
+        required: false
       test_build_name:
         description: "Test build name"
         type: string
@@ -66,8 +70,8 @@ jobs:
           path: bin
       - name: Ensure emacs-builder is executable
         run: chmod +x bin/emacs-builder
-      - uses: nixbuild/nix-quick-install-action@v29
-      - uses: nix-community/cache-nix-action@v5
+      - uses: nixbuild/nix-quick-install-action@v32
+      - uses: nix-community/cache-nix-action@v6
         with:
           primary-key: nix-${{ runner.arch }}-${{ hashFiles('**/flake.*') }}
       - name: Install dependencies
@@ -77,6 +81,11 @@ jobs:
         if: inputs.test_build_name != ''
         run: >-
           echo "args=--test-build '${{ inputs.test_build_name }}' --test-release-type '${{ inputs.test_release_type }}'" >> "$GITHUB_OUTPUT"
+      - name: Prepare build variant args
+        id: build_variant_args
+        if: inputs.build_variant != ''
+        run: >-
+          echo "args=--build-variant ${{ inputs.build_variant }}" >> "$GITHUB_OUTPUT"
       - name: Set git SHA override
         id: emacs_sha
         if: inputs.git_sha != ''
@@ -87,6 +96,7 @@ jobs:
           nix develop --command
           bin/emacs-builder -l debug plan --output build-plan.yml
           --output-dir '${{ github.workspace }}/builds'
+          ${{ steps.build_variant_args.outputs.args }}
           ${{ steps.test_plan_args.outputs.args }}
           ${{ steps.emacs_sha.outputs.sha }}
           '${{ inputs.git_ref }}'
@@ -122,8 +132,8 @@ jobs:
           repository: jimeh/build-emacs-for-macos
           ref: ${{ inputs.builder_ref }}
           path: builder
-      - uses: nixbuild/nix-quick-install-action@v29
-      - uses: nix-community/cache-nix-action@v5
+      - uses: nixbuild/nix-quick-install-action@v32
+      - uses: nix-community/cache-nix-action@v6
         with:
           primary-key: nix-${{ runner.arch }}-${{ hashFiles('**/flake.*') }}
       - name: Download build-plan artifact
@@ -148,6 +158,9 @@ jobs:
           --plan build-plan.yml
           --native-full-aot
           --no-self-sign
+          --icon-uri 'https://github.com/jimeh/emacs-liquid-glass-icons/releases/download/v1.0.1/EmacsLG1-Default.icns'
+          --tahoe-icon-uri 'https://github.com/jimeh/emacs-liquid-glass-icons/releases/download/v1.0.1/Assets.car'
+          --tahoe-icon-name EmacsLG1
           ${{ inputs.build_args }}
         working-directory: builder
         env:

.github/workflows/_prepare.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Default git ref check
         id: ref
         run: |
-          DEFAULT_BUILDER_REF="v0.6.57"
+          DEFAULT_BUILDER_REF="v0.6.63"
           BUILDER_REF="${{ inputs.builder_ref }}"
           echo "ref=${BUILDER_REF:-$DEFAULT_BUILDER_REF}" >> "$GITHUB_OUTPUT"
       - name: Checkout build-emacs-for-macos repo

.github/workflows/_release.yml

@@ -49,11 +49,11 @@ jobs:
           name: ${{ inputs.dmg_artifact }}
           path: builds
       - name: Publish disk images to a GitHub Release
-        if: steps.dmg.outputs.result != 'fail'
+        if: steps.dmg.outcome != 'failure'
         run: >-
           bin/emacs-builder -l debug release --plan build-plan.yml publish
           $(find builds -name '*.dmg' -or -name '*.sha256')
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - run: echo 'No DMG artifact available, was there a new commit to build?'
-        if: steps.dmg.outputs.result == 'fail'
+        if: steps.dmg.outcome == 'failure'

.github/workflows/build.yml

@@ -26,6 +26,10 @@ on:
         description: "prerelease or draft"
         required: false
         default: ""
+      build_variant:
+        description: "Optional build number used as version suffix"
+        required: false
+        type: string
       x86_64:
         description: "Build x86_64 version of Emacs"
         required: false
@@ -46,6 +50,7 @@ jobs:
       git_sha: ${{ inputs.git_sha }}
       builder_ref: ${{ inputs.builder_ref }}
       builder_args: ${{ inputs.builder_args }}
+      build_variant: ${{ inputs.build_variant }}
       test_build_name: ${{ inputs.test_build_name }}
       test_release_type: ${{ inputs.test_release_type }}
       x86_64: ${{ inputs.x86_64 }}

README.md

@@ -1,27 +1,21 @@
-<p align="center">
-  <img width="192px" src="https://github.com/emacs-mirror/emacs/raw/emacs-27.2/etc/images/icons/hicolor/scalable/apps/emacs.svg" alt="Logo">
-</p>
+<div align="center">
 
-<h1 align="center">
-  Emacs Builds
-</h1>
+<img width="196px" src="https://raw.githubusercontent.com/jimeh/emacs-liquid-glass-icons/main/Icons/Exports/EmacsLG1-Default.iconset/icon_512x512.png" alt="Logo">
 
-<p align="center">
-  <a href="https://github.com/jimeh/emacs-builds/releases/latest"><img alt="GitHub release (stable)" src="https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Fhomebrew-emacs-builds%2Fmeta%2FCasks%2Femacs-app%2Fshield.json"></a>
-  <a href="https://github.com/jimeh/emacs-builds/releases?q=pretest&expanded=true"><img alt="GitHub release (pretest)" src="https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Fhomebrew-emacs-builds%2Fmeta%2FCasks%2Femacs-app-pretest%2Fshield.json"></a>
-  <a href="https://github.com/jimeh/emacs-builds/releases?q=master&expanded=true"><img alt="GitHub release (nightly)" src="https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Fhomebrew-emacs-builds%2Fmeta%2FCasks%2Femacs-app-nightly%2Fshield.json"></a>
-  <a href="https://github.com/jimeh/emacs-builds/releases?q=master&expanded=true"><img alt="GitHub release (monthly)" src="https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Fhomebrew-emacs-builds%2Fmeta%2FCasks%2Femacs-app-monthly%2Fshield.json"></a>
-  <a href="https://github.com/jimeh/emacs-builds/issues/7"><img alt="GitHub release (known good nightly)" src="https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Fhomebrew-emacs-builds%2Fmeta%2FCasks%2Femacs-app-good%2Fshield.json"></a>
-  <a href="https://github.com/jimeh/emacs-builds/issues"><img alt="GitHub issues" src="https://img.shields.io/github/issues-raw/jimeh/emacs-builds?style=flat&logo=github&logoColor=white"></a>
-  <a href="https://github.com/jimeh/emacs-builds/pulls"><img alt="GitHub pull requests" src="https://img.shields.io/github/issues-pr-raw/jimeh/emacs-builds?style=flat&logo=github&logoColor=white"></a>
-  <a href="https://github.com/jimeh/emacs-builds/releases"><img alt="GitHub all releases" src="https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Femacs-builds%2Fmeta%2Ftotal-downloads%2Fshield.json"></a>
-</p>
+# Emacs Builds
 
-<p align="center">
-  <strong>
-    Self-contained Emacs.app builds for macOS, with native-compilation support.
-  </strong>
-</p>
+[![GitHub release (stable)](https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Fhomebrew-emacs-builds%2Fmeta%2FCasks%2Femacs-app%2Fshield.json)](https://github.com/jimeh/emacs-builds/releases/latest)
+[![GitHub release (pretest)](https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Fhomebrew-emacs-builds%2Fmeta%2FCasks%2Femacs-app-pretest%2Fshield.json)](https://github.com/jimeh/emacs-builds/releases?q=pretest&expanded=true)
+[![GitHub release (nightly)](https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Fhomebrew-emacs-builds%2Fmeta%2FCasks%2Femacs-app-nightly%2Fshield.json)](https://github.com/jimeh/emacs-builds/releases?q=master&expanded=true)
+[![GitHub release (monthly)](https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Fhomebrew-emacs-builds%2Fmeta%2FCasks%2Femacs-app-monthly%2Fshield.json)](https://github.com/jimeh/emacs-builds/releases?q=master&expanded=true)
+[![GitHub release (known good nightly)](https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Fhomebrew-emacs-builds%2Fmeta%2FCasks%2Femacs-app-good%2Fshield.json)](https://github.com/jimeh/emacs-builds/issues/7)
+[![GitHub issues](https://img.shields.io/github/issues-raw/jimeh/emacs-builds?style=flat&logo=github&logoColor=white)](https://github.com/jimeh/emacs-builds/issues)
+[![GitHub pull requests](https://img.shields.io/github/issues-pr-raw/jimeh/emacs-builds?style=flat&logo=github&logoColor=white)](https://github.com/jimeh/emacs-builds/pulls)
+[![GitHub all releases](https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2Fjimeh%2Femacs-builds%2Fmeta%2Ftotal-downloads%2Fshield.json)](https://github.com/jimeh/emacs-builds/releases)
+
+**Self-contained Emacs.app builds for macOS, with native-compilation support.**
+
+</div>
 
 ## Features
 
@@ -82,37 +76,32 @@ for at least a day or two without any obvious issues.
 
 ### Homebrew Cask
 
-1. Install the
-   [`jimeh/emacs-builds`](https://github.com/jimeh/homebrew-emacs-builds)
-   Homebrew tap:
-   ```
-   brew tap jimeh/emacs-builds
-   ```
-2. Install one of the available casks:
-   - `emacs-app` — Latest stable release of Emacs.
-     ```
-     brew install --cask emacs-app
-     ```
-   - `emacs-app-pretest` — Latest pretest build of Emacs.
-     ```
-     brew install --cask emacs-app-pretest
-     ```
-   - `emacs-app-nightly` — Build of Emacs from the `master` branch, updated
-     every night.
-     ```
-     brew install --cask emacs-app-nightly
-     ```
-   - `emacs-app-monthly` — Build of Emacs from the `master` branch, updated on
-     the 1st of each month. These includes native Apple Silicon support.
-     ```
-     brew install --cask emacs-app-monthly
-     ```
-   - `emacs-app-good` for the latest known good nightly build listed on [#7][7]:
-     ```
-     brew install --cask emacs-app-good
-     ```
+The [`jimeh/emacs-builds`](https://github.com/jimeh/homebrew-emacs-builds)
+Homebrew Tap provides the following casks:
 
-[7]: https://github.com/jimeh/emacs-builds/issues/7
+- `jimeh/emacs-builds/emacs-app` — Latest stable release of Emacs.
+  ```bash
+  brew install --cask jimeh/emacs-builds/emacs-app
+  ```
+- `jimeh/emacs-builds/emacs-app-pretest` — Latest pretest build of Emacs.
+  ```bash
+  brew install --cask jimeh/emacs-builds/emacs-app-pretest
+  ```
+- `jimeh/emacs-builds/emacs-app-nightly` — Build of Emacs from the `master`
+  branch, updated every night.
+  ```bash
+  brew install --cask jimeh/emacs-builds/emacs-app-nightly
+  ```
+- `jimeh/emacs-builds/emacs-app-monthly` — Build of Emacs from the `master`
+  branch, updated on the 1st of each month.
+  ```bash
+  brew install --cask jimeh/emacs-builds/emacs-app-monthly
+  ```
+- `jimeh/emacs-builds/emacs-app-good` for the latest known good nightly build
+  listed on [#7][7]:
+  ```bash
+  brew install --cask jimeh/emacs-builds/emacs-app-good
+  ```
 
 ## Apple Silicon
 
@@ -192,8 +181,6 @@ All builds also come with a SHA256 checksum file, which itself can be double
 checked against the SHA256 checksum log output from the packaging step of the
 GitHub Actions workflow run which produced the build.
 
-[emacs-mirror/emacs]: https://github.com/emacs-mirror/emacs
-
 ## Issues / To-Do
 
 Please see [Issues][] for details of things to come, or to report issues.