name: Build RPM Package

on:
  workflow_run:
    workflows: [auto-tag]
    types: [completed]
  push:
    tags:
      - v[0-9]+.[0-9]+.[0-9]+

jobs:
  build-upload-rpm:
    name: Build and upload RPM packages
    runs-on: ubuntu-latest
    container:
      image: fedora:latest

    steps:
      - uses: actions/checkout@v4

      - name: install RPM build tools
        run: |
          dnf -y install \
            cmake \
            gcc \
            gcc-c++ \
            git \
            rpm-build \
            rpmdevtools \
            tar

      - name: Setup RPM build tree
        run: |
          rpmdev-setuptree

      - name: Create source tarball
        run: |
          cmake --fresh -B build -S .
          cmake --build build --target sdist

      - name: Set environment variables
        run: |
          echo "PKG_VERSION=$(cat build/version)" >> $GITHUB_ENV
          echo "PKG_NAME=$(grep -Po 'Name:\ *\K[\S ]*' \
            packaging/pkg.spec.in)" >> $GITHUB_ENV

      - name: Copy SOURCES and SPEC file
        run: |
          cp packaging/pkg.spec.in ~/rpmbuild/SPECS/${PKG_NAME}.spec
          rpmdev-bumpspec -n ${PKG_VERSION} ~/rpmbuild/SPECS/${PKG_NAME}.spec
          cp dist/*.src.tar.gz ~/rpmbuild/SOURCES/

      - name: Build RPM packages
        run: |
          dnf -y builddep ~/rpmbuild/SPECS/${PKG_NAME}.spec
          rpmbuild -ba ~/rpmbuild/SPECS/${PKG_NAME}.spec

    - name: Upload built SRPM/RPM packages
      uses: actions/upload-artifact@v4
      with:
        name: artifact-built-rpms
        path: |
          ~/rpmbuild/RPMS/
          ~/rpmbuild/SRPMS/

      - name: Check if package version has corresponding git tag
        id: tagged
        shell: bash
        run: |
          git show-ref \
            --tags --verify --quiet -- \
            "refs/tags/${NEW_TAG}" \
          && echo tagged=1 >> $GITHUB_OUTPUT \
          || echo tagged=0 >> $GITHUB_OUTPUT

    - name: Create GitHub Release
      uses: softprops/action-gh-release@v2
      if: github.ref_type == 'tag' && steps.tagged.output.tagged == 1
      with:
        generate_release_notes: false
        files: |
          ~/rpmbuild/RPMS/*/*.rpm
          ~/rpmbuild/SRPMS/*.rpm