name: Build

on:
  push:
    branches: ci*
    tags: '*'

jobs:
  create_release:
    name: Create release
    runs-on: ubuntu-latest
    outputs:
      upload_url: ${{ steps.create_release.outputs.upload_url }}
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          submodules: false
      - name: Generate release name
        id: release_name
        # https://github.community/t/how-to-get-just-the-tag-name/16241/4
        run: echo ::set-output name=name::${GITHUB_REF/refs\/*s\//}
      - name: Generate the tag name for a branch build
        if: ${{ startsWith(steps.release_name.outputs.name, 'ci-') }}
        run: |
          echo "RELEASE_TAG_NAME=${GITHUB_REF/refs\/*s\//}-tag" >> $GITHUB_ENV
      - name: Generate the tag name for a branch build
        if: ${{ !startsWith(steps.release_name.outputs.name, 'ci-') }}
        run: |
          echo "RELEASE_TAG_NAME=${GITHUB_REF/refs\/*s\//}" >> $GITHUB_ENV
      - name: Generate changes file
        uses: sarnold/gitchangelog-action@master
        with:
          config_file: .gitchangelog.rc
          github_token: ${{ secrets.GITHUB_TOKEN }}
      - name: Create release
        id: create_release
        uses: softprops/action-gh-release@v1
        with:
          body_path: CHANGES.md
          draft: false
          prerelease: true
          name: ${{ steps.release_name.outputs.name }}
          tag_name: ${{ env.RELEASE_TAG_NAME }}

  build-linux:
    runs-on: ubuntu-20.04
    needs: [create_release]
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: true
      - name: Workaround for apt update failure
        run: sudo rm /etc/apt/sources.list.d/github_git-lfs.*
      - name: Prepare packaging & packagecloud CLI
        run: |
          sudo apt update
          sudo apt install debhelper ruby-dev
          sudo gem install package_cloud
      - name: Build the Debian package
        run: ./debian/rules build && sudo ./debian/rules binary
      - name: Generate archive name
        id: archive_name
        run: echo ::set-output name=name::$(python .github/archive_name.py)
      - name: Upload the package to GitHub
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ needs.create_release.outputs.upload_url }}
          asset_path: ../${{ steps.archive_name.outputs.name }}
          asset_name: ${{ steps.archive_name.outputs.name }}
          asset_content_type: application/vnd.debian.binary-package
      - name: Upload the package to packagecloud
        env:
          USERNAME: brainhackers
          REPO: brainux/any/any
          PACKAGECLOUD_TOKEN: ${{ secrets.PACKAGECLOUD_TOKEN }}
        run: |
          package_cloud push "${USERNAME}/${REPO}" "../${{steps.archive_name.outputs.name}}"