protobuf: automate derived file generation #4
Workflow file for this run
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| name: protobuf | |
| # CI tests to run against the protobuf schema on change: | |
| on: | |
| # run for any PRs raising changes to the protobuf files or setup | |
| pull_request: | |
| paths: | |
| - 'cylc/flow/network/protobuf/**' | |
| jobs: | |
| protobuf: | |
| runs-on: ubuntu-latest | |
| timeout-minutes: 10 | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| # we need all of the commits on the PR branch in order to be able to add new ones | |
| fetch-depth: 100 | |
| - name: Configure git | |
| uses: cylc/release-actions/configure-git@v1 | |
| - name: Install Protobuf | |
| uses: mamba-org/setup-micromamba@v1 | |
| with: | |
| # install protobuf into a mamba env (note use shell = "bash -el {0}" | |
| # to access this envionment) | |
| environment-name: protobuf | |
| create-args: protobuf | |
| init-shell: bash | |
| - name: Install bufbuild/buf | |
| run: | | |
| eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)" # activate homebrew | |
| # NOTE: bufbuild does exist on conda-forge but hasn't been updated for a while | |
| brew install bufbuild/buf/buf | |
| - name: Lint | |
| run: | | |
| # lint .proto files | |
| eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)" # activate homebrew | |
| cd cylc/flow/network/protobuf | |
| buf lint | |
| - name: Compatibility | |
| shell: bash -el {0} | |
| run: | | |
| eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)" # activate homebrew | |
| cd cylc/flow/network/protobuf | |
| # NOTE: there is currently no process for committing a breaking change. | |
| # If a breaking change is needed: | |
| # - Increment the Cylc API version number. | |
| # - Increment the protobuf schema version number to match. | |
| # - Increment the API number filter in cylc-uiserver. | |
| # - Bypass this step of the workflow. | |
| buf breaking \ | |
| --against 'https://github.com/cylc/cylc-flow.git#tag=${{ github.base_ref }},subdir=cylc/flow/network/protobuf' | |
| - name: Build | |
| shell: bash -el {0} | |
| run: | | |
| # generate .py and .pyi files from the .proto files | |
| eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)" # activate homebrew | |
| micromamba activate protobuf | |
| cd cylc/flow/network/protobuf | |
| buf generate | |
| - name: Commit & Push | |
| run: | | |
| if [[ -z $(git diff --stat) ]]; then | |
| echo '::error:: No functional changes made to the protobuf schema' | |
| exit 0 | |
| else | |
| echo '::info:: pushing update commit' | |
| git add -u | |
| git commit -m 'protobuf: updating generated files' | |
| git remote add pr https://github.com/${{ github.event.pull_request.head.repo.owner.login }}/cylc-flow | |
| git push pr HEAD:${{ github.head_ref }} | |
| exit 0 | |
| fi |