piston/.github/workflows/package-release.yaml

name: "Package Index"

on:
  release:
  workflow_dispatch:

jobs:
  create_index:
    name: Create Index
    runs-on: ubuntu-latest
    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