name: Attach Debug APKs To Release

on:
  release:
    types:
      - published

jobs:
  attach-apks:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        package_variant: [ apt-android-7, apt-android-5 ]
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    steps:
      - name: Clone repository
        uses: actions/checkout@v2
        with:
          ref: ${{ env.GITHUB_REF }}

      - name: Build and attach APKs to release
        shell: bash {0}
        env:
          PACKAGE_VARIANT: ${{ matrix.package_variant }}
        run: |
          exit_on_error() {
              echo "$1"
              echo "Deleting '$RELEASE_VERSION_NAME' release and '$GITHUB_REF' tag"
              hub release delete "$RELEASE_VERSION_NAME"
              git push --delete origin "$GITHUB_REF"
              exit 1
          }

          echo "Setting vars"
          RELEASE_VERSION_NAME="${GITHUB_REF/refs\/tags\//}"
          if ! printf "%s" "${RELEASE_VERSION_NAME/v/}" | grep -qP '^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$'; then
           exit_on_error "The versionName '${RELEASE_VERSION_NAME/v/}' is not a valid version as per semantic version '2.0.0' spec in the format 'major.minor.patch(-prerelease)(+buildmetadata)'. https://semver.org/spec/v2.0.0.html."
          fi

          APK_DIR_PATH="./app/build/outputs/apk/debug"
          APK_VERSION_TAG="$RELEASE_VERSION_NAME+${{ env.PACKAGE_VARIANT }}-github-debug"
          APK_BASENAME_PREFIX="termux-app_$APK_VERSION_TAG"

          echo "Building APKs for 'APK_VERSION_TAG' release"
          export TERMUX_APK_VERSION_TAG="$APK_VERSION_TAG" # Used by app/build.gradle
          export TERMUX_PACKAGE_VARIANT="${{ env.PACKAGE_VARIANT }}" # Used by app/build.gradle
          if ! ./gradlew assembleDebug; then
            exit_on_error "Build failed for '$APK_VERSION_TAG' release."
          fi

          echo "Validating APKs"
          for abi in universal arm64-v8a armeabi-v7a x86_64 x86; do
            if ! test -f "$APK_DIR_PATH/${APK_BASENAME_PREFIX}_$abi.apk"; then
              files_found="$(ls "$APK_DIR_PATH")"
              exit_on_error "Failed to find built APK at '$APK_DIR_PATH/${APK_BASENAME_PREFIX}_$abi.apk'. Files found: "$'\n'"$files_found"
            fi
          done

          echo "Generating sha25sums file"
          if ! (cd "$APK_DIR_PATH"; sha256sum \
            "${APK_BASENAME_PREFIX}_universal.apk" \
            "${APK_BASENAME_PREFIX}_arm64-v8a.apk" \
            "${APK_BASENAME_PREFIX}_armeabi-v7a.apk" \
            "${APK_BASENAME_PREFIX}_x86_64.apk" \
            "${APK_BASENAME_PREFIX}_x86.apk" \
            > "${APK_BASENAME_PREFIX}_sha256sums"); then
            exit_on_error "Generate sha25sums failed for '$APK_VERSION_TAG' release."
          fi

          echo "Attaching APKs to github release"
          if ! hub release edit \
          -m "" \
          -a "$APK_DIR_PATH/${APK_BASENAME_PREFIX}_universal.apk" \
          -a "$APK_DIR_PATH/${APK_BASENAME_PREFIX}_arm64-v8a.apk" \
          -a "$APK_DIR_PATH/${APK_BASENAME_PREFIX}_armeabi-v7a.apk" \
          -a "$APK_DIR_PATH/${APK_BASENAME_PREFIX}_x86_64.apk" \
          -a "$APK_DIR_PATH/${APK_BASENAME_PREFIX}_x86.apk" \
          -a "$APK_DIR_PATH/${APK_BASENAME_PREFIX}_sha256sums" \
          "$RELEASE_VERSION_NAME"; then
            exit_on_error "Attach APKs to release failed for '$APK_VERSION_TAG' release."
          fi