# Cut a release whenever a new tag is pushed to the repo.
# You should use an annotated tag, like `git tag -a v1.2.3`
# and put the release notes into the commit message for the tag.
name: Release

on:
  push:
    tags:
      - "v*.*.*"

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Mount bazel caches
        uses: actions/cache@v2
        with:
          path: |
            "~/.cache/bazel"
            "~/.cache/bazel-repo"
          key: bazel-cache-${{ hashFiles('**/BUILD.bazel', '**/*.bzl', 'WORKSPACE') }}
          restore-keys: bazel-cache-
      - name: bazel test //...
        env:
          # Bazelisk will download bazel to here
          XDG_CACHE_HOME: ~/.cache/bazel-repo
        run: bazel --bazelrc=.github/workflows/ci.bazelrc --bazelrc=.bazelrc test //...
      - name: Prepare workspace snippet
        run: .github/workflows/workspace_snippet.sh ${{ env.GITHUB_REF_NAME }} > release_notes.txt
      - uses: tibdex/github-app-token@v1
        id: generate-token
        with:
          app_id: ${{ secrets.BCR_APP_ID }}
          private_key: ${{ secrets.BCR_APP_PRIVATE_KEY }}
      - name: Release
        uses: softprops/action-gh-release@v1
        with:
          prerelease: true
          # Use GH feature to populate the changelog automatically
          generate_release_notes: true
          body_path: release_notes.txt
          token: ${{ steps.generate-token.outputs.token }}