Add Alpine Linux APKBUILD generation to release workflow

.github/APKBUILD.template

@@ -0,0 +1,59 @@
+# Contributor: Frederic Laing <dev@fredfunk.tech>
+# Maintainer: Frederic Laing <dev@fredfunk.tech>
+pkgname=camera
+pkgver=@@VERSION@@
+pkgrel=0
+pkgdesc="Camera application for the COSMIC Desktop Environment"
+url="https://github.com/cosmic-utils/camera"
+arch="all"
+license="GPL-3.0-only"
+depends="
+	cosmic-icons
+	gst-plugins-base
+	gst-plugins-bad
+"
+makedepends="
+	cargo
+	clang-libclang
+	cmake
+	eudev-dev
+	glib-dev
+	gst-plugins-bad-dev
+	gst-plugins-base-dev
+	gstreamer-dev
+	just
+	libcamera-dev
+	libinput-dev
+	libseat-dev
+	libxkbcommon-dev
+	nasm
+	samurai
+	pkgconf
+	wayland-dev
+"
+options="net !check"  # fetch dependencies, no tests
+source="$pkgname-$pkgver.tar.gz::https://github.com/cosmic-utils/camera/archive/refs/tags/v$pkgver.tar.gz"
+
+prepare() {
+	default_prepare
+	cargo fetch --target="$CTARGET" --locked
+}
+
+build() {
+	export VERGEN_GIT_COMMIT_DATE="$(date -d @"$SOURCE_DATE_EPOCH" '+%Y-%m-%d')"
+	export VERGEN_GIT_SHA="unknown"
+
+	just build-release --frozen
+}
+
+check() {
+	cargo test --release --frozen
+}
+
+package() {
+	just rootdir="$pkgdir" install
+}
+
+sha512sums="
+@@CHECKSUM@@  camera-@@VERSION@@.tar.gz
+"

.github/workflows/ci.yml

@@ -107,6 +107,7 @@ jobs:
       - name: Run checks
         run: just check
 
+
   # Cross-compiled debug builds to verify compilation on all target architectures
   build:
     name: Build (${{ matrix.arch }})
@@ -214,6 +215,78 @@ jobs:
             just build-debug --target ${{ matrix.target }}
           fi
 
+  apkbuild:
+    name: APKBUILD
+    runs-on: ubuntu-latest
+    needs: check
+    container:
+      image: alpine:edge
+    steps:
+      - name: Install build dependencies
+        run: |
+          apk add --no-cache \
+            alpine-sdk sudo git atools \
+            cargo \
+            clang-libclang \
+            cmake \
+            cosmic-icons \
+            eudev-dev \
+            glib-dev \
+            gst-plugins-bad-dev \
+            gst-plugins-base-dev \
+            gstreamer-dev \
+            just \
+            libcamera-dev \
+            libinput-dev \
+            libseat-dev \
+            libxkbcommon-dev \
+            nasm \
+            pkgconf \
+            samurai \
+            wayland-dev
+
+      - name: Set up abuild
+        run: |
+          adduser -D builder
+          addgroup builder abuild
+          echo "builder ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
+          sudo -Hu builder abuild-keygen -a -n
+          cp /home/builder/.abuild/*.rsa.pub /etc/apk/keys/
+
+      - name: Checkout repository
+        uses: actions/checkout@v6
+        with:
+          fetch-tags: true
+
+      - name: Generate APKBUILD and source tarball
+        run: |
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"
+          VERSION=$(grep '^version' Cargo.toml | head -1 | sed 's/.*"\(.*\)"/\1/')
+
+          # Create source tarball matching GitHub's archive format
+          git archive --format=tar.gz --prefix=camera-$VERSION/ HEAD > /tmp/camera-$VERSION.tar.gz
+          CHECKSUM=$(sha512sum /tmp/camera-$VERSION.tar.gz | awk '{print $1}')
+
+          # Place tarball in distfiles cache where abuild expects it
+          mkdir -p /var/cache/distfiles
+          cp /tmp/camera-$VERSION.tar.gz /var/cache/distfiles/camera-$VERSION.tar.gz
+          chmod 644 /var/cache/distfiles/camera-$VERSION.tar.gz
+
+          # Generate APKBUILD from template
+          mkdir -p /home/builder/apkbuild
+          sed -e "s/@@VERSION@@/$VERSION/g" \
+              -e "s/@@CHECKSUM@@/$CHECKSUM/g" \
+              .github/APKBUILD.template > /home/builder/apkbuild/APKBUILD
+          chown -R builder:builder /home/builder/apkbuild
+
+      - name: Lint APKBUILD
+        run: apkbuild-lint /home/builder/apkbuild/APKBUILD
+
+      - name: Build package
+        run: |
+          cd /home/builder/apkbuild
+          sudo -Hu builder abuild -r
+
   flatpak-x86_64:
     name: Flatpak (x86_64)
     runs-on: ubuntu-latest

.github/workflows/release.yml

@@ -302,6 +302,23 @@ jobs:
           fi
           git archive --format=zip --prefix=camera-${{ github.ref_name }}/ -o release-assets/camera-${{ github.ref_name }}-source.zip HEAD
 
+      - name: Generate Alpine Linux APKBUILD
+        run: |
+          TAG="${{ github.ref_name }}"
+          VERSION="${TAG#v}"
+
+          # Download the source tarball that Alpine will use and compute checksum
+          curl -sL -o /tmp/source.tar.gz \
+            "https://github.com/${{ github.repository }}/archive/refs/tags/${TAG}.tar.gz"
+          CHECKSUM=$(sha512sum /tmp/source.tar.gz | awk '{print $1}')
+
+          # Generate APKBUILD from template
+          sed -e "s/@@VERSION@@/${VERSION}/g" \
+              -e "s/@@CHECKSUM@@/${CHECKSUM}/g" \
+              .github/APKBUILD.template > release-assets/APKBUILD
+
+          echo "Generated APKBUILD for camera ${VERSION}"
+
       - name: Generate release notes
         run: |
           cat << 'EOF' > release_notes_footer.md
@@ -331,6 +348,7 @@ jobs:
           | `camera-x86_64-musl-linux.tar.gz` | Linux binary for x86_64 (musl/static) |
           | `camera-aarch64-musl-linux.tar.gz` | Linux binary for ARM64 (musl/static) |
           | `camera-${{ github.ref_name }}-source.zip` | Source code |
+          | `APKBUILD` | Alpine Linux package build recipe |
           EOF
           # Add aarch64 flatpak to release notes if it was built
           if [ -f "release-assets/camera-aarch64.flatpak" ]; then

README.md

@@ -33,6 +33,7 @@ flatpak install camera-x86_64.flatpak
 #### Dependencies
 
 - Rust (stable)
+- [cosmic-icons](https://github.com/pop-os/cosmic-icons)
 - GStreamer 1.0 with plugins (base, good, bad, ugly)
 - libcamera (>= 0.4.0)
 - cmake (for building embedded libjpeg-turbo)

RELEASE.md

@@ -39,8 +39,9 @@ This triggers the **Release** workflow, which:
 
 1. **Builds binaries** - For x86_64, aarch64, and riscv64
 2. **Builds Flatpak bundles** - For x86_64 and aarch64
-3. **Creates GitHub Release** - With all artifacts and release notes
-4. **Publishes to Flathub** - Updates the Flathub repository (if `FLATHUB_TOKEN` is configured)
+3. **Generates APKBUILD** - Alpine Linux package recipe with correct sha512sum
+4. **Creates GitHub Release** - With all artifacts and release notes
+5. **Publishes to Flathub** - Updates the Flathub repository (if `FLATHUB_TOKEN` is configured)
 
 ## Version Numbering
 
@@ -112,7 +113,11 @@ Each release includes:
 |----------|-------------|
 | `camera-x86_64-linux.tar.gz` | Linux binary for x86_64 |
 | `camera-aarch64-linux.tar.gz` | Linux binary for ARM64 |
+| `camera-armhf-linux.tar.gz` | Linux binary for armhf (32-bit) |
 | `camera-riscv64-linux.tar.gz` | Linux binary for RISC-V 64 |
+| `camera-x86_64-musl-linux.tar.gz` | Linux binary for x86_64 (musl/static) |
+| `camera-aarch64-musl-linux.tar.gz` | Linux binary for ARM64 (musl/static) |
 | `camera-x86_64.flatpak` | Flatpak bundle for x86_64 |
 | `camera-aarch64.flatpak` | Flatpak bundle for ARM64 |
 | `camera-vX.Y.Z-source.zip` | Source code archive |
+| `APKBUILD` | Alpine Linux package build recipe |