name: 'Package Pushed'

on:
  push:
    branches:
      - master
      - v3
    paths:
      - packages/**


jobs:
  build-pkg:
    name: Build package
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      
      - name: Login to GitHub registry
        uses: docker/login-action@v1
        with:
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
          registry: docker.pkg.github.com

      - name: Get list of changed files
        uses: lots0logs/gh-action-get-changed-files@2.1.4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
                
      - name: Build Packages
        run: |
          PACKAGES=$(jq '.[]' -r ${HOME}/files.json | awk -F/ '{ print $2 "-" $3 }' | sort -u)
          echo "Packages: $PACKAGES"
          docker run -v "${{ github.workspace }}:/piston" docker.pkg.github.com/engineer-man/piston/repo-builder:latest --no-server $PACKAGES
          ls -la packages

      - name: Upload Packages
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: packages/*.pkg.tar.gz
          tag: pkgs
          overwrite: true
          file_glob: true
  create-index:
    name: Create Index
    runs-on: ubuntu-latest
    needs: build-pkg
    steps:
      - name: "Download all release assets"
        run: curl -s https://api.github.com/repos/engineer-man/piston/releases/latest | jq '.assets[].browser_download_url' -r | xargs curl -sLO
      - name: "Generate index file"
        run: |
          echo "" > index
          BASEURL=https://github.com/engineer-man/piston/releases/download/pkgs/
          for pkg in *.pkg.tar.gz
          do
            PKGFILE=$(basename $pkg)
            PKGFILENAME=$(echo $PKGFILE | sed 's/\.pkg\.tar\.gz//g')

            PKGNAME=$(echo $PKGFILENAME | grep -oP '^\K.+(?=-)')
            PKGVERSION=$(echo $PKGFILENAME | grep -oP '^.+-\K.+')
            PKGCHECKSUM=$(sha256sum $PKGFILE | awk '{print $1}')
            echo "$PKGNAME,$PKGVERSION,$PKGCHECKSUM,$BASEURL$PKGFILE" >> index
            echo "Adding package $PKGNAME-$PKGVERSION"
          done
      - name: Upload index
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: index
          tag: pkgs
          overwrite: true
          file_glob: true