ci: Add i386 build check

Signed-off-by: Artem Senichev <[email protected]>

.github/workflows/Alpine.yml

@@ -0,0 +1,57 @@
+name: Alpine i386
+on: [push, pull_request]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    env:
+      BUILD_PATH: /tmp/build
+      INSTALL_PATH: /tmp/install
+
+    steps:
+
+    - name: Check out source code
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Get swayimg version
+      run: echo "VERSION=$(git describe --tags --long --always | sed 's/^v//;s/-/./')" >> $GITHUB_OUTPUT
+      id: version
+
+    - name: Build docker image
+      run: docker build --tag=swayimg --file=.github/workflows/Dockerfile.Alpine .
+
+    - name: Run docker container
+      run: docker run --tty --detach --name=swayimg --volume=$PWD:$PWD:ro --workdir=$PWD swayimg
+
+    - name: Configure
+      run: >
+        docker exec swayimg
+        meson setup
+        -D version=${{steps.version.outputs.VERSION}}
+        -D heif=enabled
+        -D bash=enabled
+        -D exif=enabled
+        -D gif=enabled
+        -D jpeg=enabled
+        -D jxl=auto
+        -D svg=enabled
+        -D webp=enabled
+        -D man=true
+        -D desktop=true
+        --prefix=/usr
+        --werror
+        ${{ env.BUILD_PATH }}
+
+    - name: Compile and link
+      run: docker exec swayimg meson compile -C ${{ env.BUILD_PATH }}
+
+    - name: Install
+      run: >
+        docker exec swayimg
+        env DESTDIR=${{ env.INSTALL_PATH }}
+        meson install -C ${{ env.BUILD_PATH }}
+
+    - name: Run installed
+      run: docker exec swayimg ${{ env.INSTALL_PATH }}/usr/bin/swayimg --version

.github/workflows/Dockerfile.Alpine

@@ -0,0 +1,22 @@
+FROM i386/alpine:latest
+
+RUN apk add \
+    build-base \
+    bash-completion-dev \
+    giflib-dev \
+    json-c-dev \
+    libexif-dev \
+    libheif-dev \
+    libjpeg-turbo-dev \
+    libjxl-dev \
+    librsvg-dev \
+    libwebp-dev \
+    libxkbcommon-dev \
+    meson \
+    wayland-dev \
+    wayland-protocols
+
+RUN useradd --create-home builder
+ENV USER=builder
+ENV HOME=/home/builder
+USER builder