auto_update.yml

name: Auto Update
on:
  workflow_dispatch:
  schedule:
    # Check everyday at 20:00 UTC
    - cron:  '0 20 * * *'

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
  cancel-in-progress: true

jobs:
  auto_update_module:
    name: "Auto Update Module"
    runs-on: ubuntu-22.04
    steps:
    - name: Set up Go 1.20.x
      uses: actions/setup-go@v5
      with:
        go-version: 1.20.x
        cache: false
      id: go

    - uses: actions/checkout@v4

    - name: Install Buildifier
      run: |
        cd $(mktemp -d)
        GO111MODULE=on go install github.com/bazelbuild/buildtools/buildifier@latest

    # Checkout repository
    - uses: actions/checkout@v4
      with:
        path: libraries/bzlmodrio-ni

    # Checkout gentool
    - uses: actions/checkout@v4
      with:
        repository: 'bzlmodRio/gentool.git'
        fetch-depth: 0
        path: gentool
        ref: refactor_dev



    - name: Setup Cache
      uses: actions/cache@v3
      with:
        path: |
          ~/bzlmod_cache/*.sha256
        key: ${{ runner.os }}-${{ hashFiles('**/generate/**') }}
        restore-keys: |
          ${{ runner.os }}-
          ${{ runner.os }}

    # Run update
    - name: Run update
      run: bazel run //:auto_update
      working-directory: libraries/bzlmodrio-ni/generate

    - name: Generate if changed
      run: |
        if [[ $(git --no-pager diff --exit-code HEAD) != '' ]]; then
          echo "Something changed, need to re-generate"
          bazel run //:generate
          buildifier -warnings all --lint=fix -r ..
          cd ..
          bazel build //... --nobuild --enable_bzlmod --lockfile_mode=update -k || true
          cd tests
          bazel build //... --nobuild --enable_bzlmod --lockfile_mode=update -k || true

          # Pull requests won't be created if the github actions change. Since for this
          # We mostly care about the actual code changes, we will just revert those files
          git checkout ../.github/workflows
        else
          echo "No changes!"
        fi;
      working-directory: libraries/bzlmodrio-ni/generate

    - name: Store new version
      run: echo "NEW_VERSION=$(bazel run //:get_version)" >> $GITHUB_ENV
      working-directory: libraries/bzlmodrio-ni/generate

    # Create pull requests
    - name: Create Pull Request
      uses: peter-evans/create-pull-request@v6
      env:
        GITHUB_TOKEN: ${{ secrets.AUTO_UPDATE_KEY }}
      with:
        path: libraries/bzlmodrio-ni
        base: main
        token: ${{ secrets.AUTO_UPDATE_KEY }}
        branch: autoupdate_${{ env.NEW_VERSION }}
        title: "Auto Update to '${{ env.NEW_VERSION }}'"