name: release

on:
  push:
    tags:
      - '*'

jobs:
  goreleaser:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Unshallow
        run: git fetch --prune --unshallow
      - name: Setup Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.15.x
      - name: Download release notes utility
        env:
          GH_REL_URL: https://github.com/buchanae/github-release-notes/releases/download/0.2.0/github-release-notes-linux-amd64-0.2.0.tar.gz
        run: cd /tmp && curl -sSL ${GH_REL_URL} | tar xz && sudo mv github-release-notes /usr/local/bin/
      - name: Generate release notes
        run: |
          echo 'CHANGELOG' > /tmp/release.txt
          github-release-notes -org fluxcd -repo toolkit -since-latest-release -include-author >> /tmp/release.txt
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Setup Kustomize
        uses: fluxcd/pkg//actions/kustomize@main
      - name: Generate manifests tarball
        run: |
          mkdir -p ./output
          files=""

          # build controllers
          for controller in ./manifests/bases/*/; do
              output_path="./output/$(basename $controller).yaml"
              echo "building $controller to $output_path"

              kustomize build $controller > $output_path
              files+=" $(basename $output_path)"
          done

          # build rbac
          rbac_path="./manifests/rbac"
          rbac_output_path="./output/rbac.yaml"
          echo "building $rbac_path to $rbac_output_path"
          kustomize build $rbac_path > $rbac_output_path
          files+=" $(basename $rbac_output_path)"

          # build policies
          policies_path="./manifests/policies"
          policies_output_path="./output/policies.yaml"
          echo "building $policies_path to $policies_output_path"
          kustomize build $policies_path > $policies_output_path
          files+=" $(basename $policies_output_path)"

          # create tarball
          cd ./output && tar -cvzf manifests.tar.gz $files
      - name: Create release
        id: create_release
        uses: actions/create-release@latest
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ github.ref }}
          release_name: ${{ github.ref }}
      - name: Upload artifacts
        id: upload-release-asset
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
          asset_path: ./output/manifests.tar.gz
          asset_name: manifests.tar.gz
          asset_content_type: application/gzip
      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v1
        with:
          version: latest
          args: release --release-notes=/tmp/release.txt --skip-validate
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          HOMEBREW_TAP_GITHUB_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}