release.yml

# 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:
            - uses: actions/checkout@v3

            - name: Mount bazel caches
              uses: actions/cache@v3
              with:
                  path: |
                      ~/.cache/bazel
                      ~/.cache/bazel-repo
                  key: bazel-cache-${{ hashFiles('**/BUILD.bazel', '**/*.bzl', 'WORKSPACE') }}
                  restore-keys: bazel-cache-

            - name: Prepare workspace snippet
              run: .github/workflows/workspace_snippet.sh ${{ env.GITHUB_REF_NAME }} > release_notes.txt

            - name: Release
              uses: softprops/action-gh-release@v1
              with:
                  prerelease: true
                  generate_release_notes: true
                  body_path: release_notes.txt