bazel.yml

name: Bazel

on:
  workflow_dispatch:
  pull_request:
    branches: [ main ]
  push: 
    branches: [ main ]

jobs:
  bazel:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    
    - name: Install Bazel
      uses: bazelbuild/setup-bazelisk@v3

    - name: Restore cache
      id: restore-cache
      uses: actions/cache/restore@v3
      with:
        path: "~/.cache/bazel"
        key: bazel-${{ hashFiles(
            '**/*.go',
            'go.sum',
            'MODULE.bazel.lock',
            '**/BUILD.bazel',
            '**/*.bzl',
            'WORKSPACE'
          ) }}
        restore-keys: bazel-

    - name: Check BUILD files
      run: |
        bazel run //:gazelle_diff

    - name: Build
      run: |
        bazel build //...

    - name: Test
      run: |
        bazel test --test_output=errors //...

    - name: Save cache
      # Only on merge to main and if previously missed
      if: |
        github.ref == 'refs/heads/main' &&
        github.event_name != 'pull_request' &&
        steps.restore-cache.outputs.cache-hit != 'true'
      uses: actions/cache/save@v3
      with:
        path: "~/.cache/bazel"
        key: ${{ steps.restore-cache.outputs.cache-primary-key }}