[WIP] Add GitHub Actions workflow to build releases

.github/workflows/build.yaml

@@ -0,0 +1,177 @@
+name: build
+
+# Run manually or each time a version tag is pushed
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - '[0-9]+.[0-9]+.[0-9]+'
+
+jobs:
+  build:
+    name: "Build Invader"
+    runs-on: ubuntu-20.04
+    # Repos contain:
+    #  - cmake v3.16.3
+    #  - mingw-w64 v7.0.0 (gcc/g++ v9.3.0)
+    #  - python3 v3.8.2
+
+    steps:
+      - name: "Checkout Invader"
+        uses: actions/checkout@v2
+
+      - name: "Install deps"
+        run: |-
+          # Make apt retry
+          echo 'Acquire::Retries "5";' | sudo tee -a /etc/apt/apt.conf.d/80-retries >/dev/null
+
+          # Add Debian bullseye repo to get:
+          #  - cmake v3.18.2
+          #  - mingw-w64 v8.0.0 (gcc/g++ v10.1.0)
+          #  - python3 v3.8.6
+          sudo apt-get update
+          sudo apt-get install -y gnupg
+          echo "deb http://http.us.debian.org/debian/ bullseye contrib main" | sudo tee -a /etc/apt/sources.list >/dev/null
+          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 04EE7237B7D453EC
+          sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 648ACFD622F3D138
+          sudo apt-get update
+          sudo apt-get install -y build-essential cmake mingw-w64 python3 git zip
+
+          # Tools to download and extract mingw-w64 packages
+          sudo apt-get install -y curl zstd xz-utils
+
+          # Install qt meta-compilation tools (moc and rcc) to build invader-edit-qt_autogen
+          sudo apt-get install -y qtbase5-dev-tools
+
+          # Install deps for building pacman
+          sudo apt-get install -y pkg-config m4 libarchive-dev libssl-dev libcurl4-openssl-dev
+
+      - name: "Build and install pacman for downloading mingw deps"
+        run: |-
+          mkdir pacman
+          curl --silent --location 'https://sources.archlinux.org/other/pacman/pacman-5.2.2.tar.gz' | tar --extract --gzip --strip-components=1 --directory=pacman
+          cd pacman
+          ./configure --disable-doc --sysconfdir=/etc
+          make
+          sudo make install
+
+          # Make libalpm load properly
+          sudo ldconfig
+          sudo mkdir -p /usr/local/var/lib/pacman/
+
+          # Configure mingw64 repo
+          echo '[mingw64]' | sudo tee -a /etc/pacman.conf >/dev/null
+          echo 'Server = https://repo.msys2.org/mingw/x86_64/' | sudo tee -a /etc/pacman.conf >/dev/null
+
+      - name: "Download and install mingw deps"
+        run: |-
+          tmp="$(mktemp -d)"
+
+          # Download the deps
+          sudo pacman --sync --refresh --noconfirm --downloadonly --cachedir="$tmp" \
+              mingw-w64-x86_64-libarchive \
+              mingw-w64-x86_64-libogg \
+              mingw-w64-x86_64-flac \
+              mingw-w64-x86_64-libsamplerate \
+              mingw-w64-x86_64-libvorbis \
+              mingw-w64-x86_64-zlib \
+              mingw-w64-x86_64-freetype \
+              mingw-w64-x86_64-zstd \
+              mingw-w64-x86_64-libtiff \
+              mingw-w64-x86_64-qt5
+
+          # Extract deps to the mingw directory
+          for x in "${tmp}"/*; do
+            sudo tar --extract --file="$x" --strip-components=1 --directory=/usr/x86_64-w64-mingw32/
+          done
+
+          rm -rf "$tmp"
+
+      - name: "Build Invader"
+        run: |-
+          cmake . \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_SYSTEM_NAME=Windows \
+            -DCMAKE_FIND_ROOT_PATH=/usr/x86_64-w64-mingw32 \
+            -DCMAKE_C_COMPILER=/usr/bin/x86_64-w64-mingw32-gcc-posix \
+            -DCMAKE_CXX_COMPILER=/usr/bin/x86_64-w64-mingw32-g++-posix \
+            -DCMAKE_RC_COMPILER=/usr/bin/x86_64-w64-mingw32-windres \
+            -DCMAKE_AR=/usr/bin/x86_64-w64-mingw32-gcc-ar-posix \
+            -DCMAKE_RANLIB=/usr/bin/x86_64-w64-mingw32-gcc-ranlib-posix
+
+          # Gross hacks to the generated files to use the host qt's meta-compilation tools
+          # Have to change the minor version to match so moc's 'output-dep-file' option (new in 5.15) isn't used
+          qtminver=$(/usr/bin/moc -v | cut --delimiter=' ' --fields=2 | cut --delimiter='.' --fields=2)
+          sed --in-place \
+            --expression='s#"[^"]*\(moc\|rcc\)\.exe"#"/usr/bin/\1"#g' \
+            --expression="s#\(\"QT_VERSION_MINOR\"[^0-9]\+\)[0-9]\+#\1${qtminver}#g" \
+            $(find CMakeFiles -iname "*.json")
+
+          make -j$(nproc)
+
+      - name: "Package Invader"
+        run: |-
+          # Resolve mingw deps and copy them into the package directory
+          shopt -s nullglob
+          while true; do
+            new=0
+            while read dll; do
+              [ -f "${dll,,}" ] && continue
+              while read f; do
+                cp "$f" .
+                touch "$(basename "${f,,}")"
+                new=1
+              done < <(find /usr/x86_64-w64-mingw32 -iname "$dll")
+            done < <( objdump --private-headers *.{exe,dll} | grep -oP "DLL Name: \K.*" | sort -u )
+            (( $new )) || break
+          done
+          find . -name "*.dll" -size 0 -delete
+
+          # Copy files into the package directory and make the zip file to release
+          mkdir package
+          mv *.dll *.exe package/
+          cp -r /usr/x86_64-w64-mingw32/share/qt5/plugins/{platforms,styles,audio} package/
+          cd package
+          zip ../invader.zip -r *
+
+      # Push an artifact if this was a manually-started build
+      - name: "Get short sha"
+        id: get_sha
+        if: "!startsWith(github.ref, 'refs/tags/')"
+        run: echo ::set-output name=SHA::${GITHUB_SHA::8}
+
+      - name: Upload artifact
+        if: "!startsWith(github.ref, 'refs/tags/')"
+        uses: actions/upload-artifact@v2
+        with:
+          name: invader-${{ steps.get_sha.outputs.SHA }}
+          path: ./invader.zip
+
+      # Make a release and upload the build if this is a tagged commit
+      - name: "Get version from tag"
+        id: get_version
+        if: startsWith(github.ref, 'refs/tags/')
+        run: echo ::set-output name=VERSION::${GITHUB_REF#refs/tags/}
+
+      - name: "Create release"
+        id: create_release
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ steps.get_version.outputs.VERSION }}
+          release_name: Invader v${{ steps.get_version.outputs.VERSION }}
+          draft: false
+          prerelease: false
+
+      - name: "Upload build"
+        uses: actions/upload-release-asset@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./invader.zip
+          asset_name: invader-${{ steps.get_version.outputs.VERSION }}.zip
+          asset_content_type: application/zip