release_tarball.yml

name: Generate Source Tarball

# Trigger whenever a release is created
on:
  release:
    types:
      - created

jobs:
  build:
    name: build
    runs-on: ubuntu-latest
    steps:

    - uses: actions/checkout@v3
      with:
        submodules: recursive

    - name: archive
      id: archive
      run: |
        THISDIR="$PWD"
        cd desmume/src/frontend/posix
        autoreconf -i
        cd "$THISDIR"
        VERSION=$(printf "%s\n" ${{ github.event.release.tag_name }} | sed -e 's/^release_//' -e 's/_/./g')
        PKGNAME="desmume-$VERSION"
        mkdir -p /tmp/$PKGNAME
        mv * /tmp/$PKGNAME
        mv /tmp/$PKGNAME .
        TARBALL=$PKGNAME.tar.xz
        tar cJf $TARBALL $PKGNAME
        echo "::set-output name=tarball::$TARBALL"

    - name: upload tarball
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ github.event.release.upload_url }}
        asset_path: ./${{ steps.archive.outputs.tarball }}
        asset_name: ${{ steps.archive.outputs.tarball }}
        asset_content_type: application/x-xz