actions: Add GitHub Actions pipeline for building and releasing

.github/workflows/build-release.yml

@@ -0,0 +1,131 @@
+name: Build and Release DeckTX
+
+on:
+  push:
+    branches: [ "main" ]
+    tags: [ '*' ]
+  pull_request:
+    branches: [ "main" ]
+  workflow_dispatch:
+
+jobs:
+  build-windows:
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Set up CMake
+      uses: lukka/[email protected]
+
+    - name: Set reusable strings
+      id: strings
+      run: |
+        echo "build-output-dir=${{ github.workspace }}/build" >> "$env:GITHUB_ENV"
+        echo "install-dir=${{ github.workspace }}/install" >> "$env:GITHUB_ENV"
+        echo "artifact-name=decktx.zip" >> "$env:GITHUB_ENV"
+
+    - name: Configure CMake
+      run: cmake -B ${{ env.build-output-dir }} -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${{ env.install-dir }} -S ${{ github.workspace }}
+
+    - name: Build
+      run: cmake --build ${{ env.build-output-dir }} --config Release --target install
+
+    - name: Zip install directory
+      run: powershell Compress-Archive -Path ${{ env.install-dir }}\* -DestinationPath ${{ env.github.workspace }}\${{ env.artifact-name }}
+
+    - name: Package build artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: DeckTX-Windows
+        path: ${{ env.github.workspace }}\${{ env.artifact-name }}
+
+  build-linux:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Set up Flatpak
+      run: |
+        sudo apt update
+        sudo apt install -y flatpak flatpak-builder
+
+    - name: Add Flathub Remote
+      run: |
+        flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
+
+    - name: Set reusable strings
+      id: strings
+      run: |
+        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_ENV"
+        echo "install-dir=${{ github.workspace }}/install" >> "$GITHUB_ENV"
+        echo "artifact-name=decktx.flatpak" >> "$GITHUB_ENV"
+
+    - name: Build Flatpak
+      run: |
+        mkdir -p ${{ env.build-output-dir }}/flatpak-decktx
+        flatpak-builder --install-deps-from=flathub --force-clean --repo=repo ${{ env.build-output-dir }}/flatpak-decktx ${{ github.workspace }}/flatpak.json
+        flatpak build-bundle repo ${{ env.github.workspace }}/decktx.flatpak com.pixelyion.DeckTX
+
+    - name: Package build artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: DeckTX-Linux
+        path: ${{ env.github.workspace }}/decktx.flatpak
+
+  release:
+    runs-on: ubuntu-latest
+    needs: [build-windows, build-linux]
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Download Windows build artifacts
+      uses: actions/download-artifact@v3
+      with:
+        name: DeckTX-Windows
+        path: ${{ github.workspace }}
+
+    - name: Download Linux build artifacts
+      uses: actions/download-artifact@v3
+      with:
+        name: DeckTX-Linux
+        path: ${{ github.workspace }}
+
+    - name: Create Release
+      id: create_release
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ github.ref }}
+        release_name: Release ${{ github.ref }}
+        body: |
+          Automatic release of DeckTX for tag ${{ github.ref }}.
+        draft: false
+        prerelease: false
+
+    - name: Upload Release Asset (Windows)
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ${{ github.workspace }}/decktx.zip
+        asset_name: decktx-windows.zip
+        asset_content_type: application/zip
+
+    - name: Upload Release Asset (Linux)
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ${{ github.workspace }}/decktx.flatpak
+        asset_name: decktx-linux.flatpak
+        asset_content_type: application/vnd.flatpak