name: Build AppImage
on:
  push:
    branches:
      - dev
  pull_request:
    branches:
      - dev
  workflow_dispatch:
jobs:
  build:
    runs-on: ubuntu-18.04
    steps:
      - name: Checkout source
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Install dependencies
        run: |
          echo "Running apt update."
          sudo apt update
          echo "Installing dependencies with apt."
          DEBIAN_FRONTEND=noninteractive sudo apt install -y cmake libgtk-3-dev libgtkmm-3.0-dev liblensfun-dev librsvg2-dev liblcms2-dev libfftw3-dev libiptcdata0-dev libtiff5-dev libcanberra-gtk3-dev liblensfun-bin
      - name: Configure build
        run: |
          echo "Getting branch name."
          BRANCH="$(git branch --show-current)"
          echo "Branch name is '$BRANCH'."
          echo "Making build directory."
          mkdir build
          echo "Changing working directory to the build directory."
          cd build
          echo "Running CMake configure."
          cmake \
            -DCMAKE_BUILD_TYPE="release"  \
            -DCACHE_NAME_SUFFIX="5-$BRANCH-AppImage" \
            -DPROC_TARGET_NUMBER="1" \
            -DBUILD_BUNDLE="ON" \
            -DBUNDLE_BASE_INSTALL_DIR="/" \
            -DOPTION_OMP="ON" \
            -DWITH_LTO="OFF" \
            -DWITH_PROF="OFF" \
            -DWITH_SAN="OFF" \
            -DWITH_SYSTEM_KLT="OFF" \
            -DCMAKE_INSTALL_PREFIX=/usr \
            -DLENSFUNDBDIR="../share/lensfun/version_1" \
            ..
      - name: Build RawTherapee
        working-directory: ./build
        run: |
          echo "Running make install."
          make -j$(nproc) install DESTDIR=AppDir/usr/bin
          echo "Moving usr/bin/share to usr/share."
          mv AppDir/usr/bin/share AppDir/usr/
      - name: Include Lensfun
        run: |
          echo "Updating Lensfun database."
          lensfun-update-data
          echo "Creating Lensfun directory in the build directory."
          mkdir -p build/AppDir/usr/share/lensfun
          echo "Copying Lensfun database to the build directory."
          cp -R ~/.local/share/lensfun/updates/* build/AppDir/usr/share/lensfun/
      - name: Download AppImage tools
        working-directory: ./build
        run: |
          echo "Downloading linuxdeploy."
          curl --location 'https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage' > linuxdeploy-x86_64.AppImage
          echo "Downloading GTK plugin for linuxdeploy."
          curl --location 'https://raw.githubusercontent.com/linuxdeploy/linuxdeploy-plugin-gtk/master/linuxdeploy-plugin-gtk.sh' > linuxdeploy-plugin-gtk.sh
          echo "Setting execute bit on all AppImage tools."
          chmod u+x linuxdeploy-*
      - name: Package AppImage
        working-directory: ./build
        run: |
          echo "Getting RawTherapee version."
          export VERSION="$(grep -m 1 '^Version: .*$' AboutThisBuild.txt | sed 's/^Version: \(.\+\)$/\1/')"
          echo "Version is '$VERSION'."
          echo "Generating AppImage file name."
          FILTERED_VERSION="$(echo "$VERSION" | sed 's/[^A-z0-9_.-]//g')"
          export OUTPUT="RawTherapee-$FILTERED_VERSION-x86_64.AppImage"
          echo "AppImage file name will be '$OUTPUT'."
          echo "Packaging AppImage."
          ./linuxdeploy-x86_64.AppImage \
            --appimage-extract-and-run \
            --appdir AppDir \
            --plugin gtk \
            --output appimage
          echo "Recording RawTherapee version."
          echo "RT_VERSION=$VERSION" >> $GITHUB_ENV
          echo "Recording AppImage file name."
          echo "APPIMAGE_NAME=$OUTPUT" >> $GITHUB_ENV
      - name: Upload artifacts
        uses: actions/upload-artifact@v2
        with:
          name: ${{env.APPIMAGE_NAME}}
          path: ${{github.workspace}}/build/${{env.APPIMAGE_NAME}}
      - name: Prepare for publishing
        run: |
          echo "Setting dev AppImage file name."
          APPIMAGE_DEV_NAME="RawTherapee-dev-x86_64.AppImage"
          echo "dev AppImage file name is '$APPIMAGE_DEV_NAME'."
          echo "Renaming dev AppImage."
          cp "build/$APPIMAGE_NAME" "$APPIMAGE_DEV_NAME"
          echo "Recording dev AppImage file name."
          echo "APPIMAGE_DEV_NAME=$APPIMAGE_DEV_NAME" >> $GITHUB_ENV
          echo "Setting dev AppImage version file name."
          APPIMAGE_DEV_VERSION_NAME="RawTherapee-dev-x86_64-version.txt"
          echo "dev AppImage version file name is '$APPIMAGE_DEV_VERSION_NAME'."
          echo "Creating dev AppImage version file."
          echo "$RT_VERSION" > "$APPIMAGE_DEV_VERSION_NAME"
          echo "Recording dev AppImage version file name."
          echo "APPIMAGE_DEV_VERSION_NAME=$APPIMAGE_DEV_VERSION_NAME" >> $GITHUB_ENV
      - name: Publish artifacts
        uses: softprops/action-gh-release@v1
        if: ${{github.ref == 'refs/heads/dev'}}
        with:
          tag_name: nightly-github-actions
          files: |
            ${{env.APPIMAGE_DEV_NAME}}
            ${{env.APPIMAGE_DEV_VERSION_NAME}}