check-code-generation-task.yml

name: Check Code Generation

env:
  # See: https://github.com/actions/setup-go/tree/v2#readme
  GO_VERSION: "1.17"

on:
  create:
  push:
    paths:
      - ".github/workflows/check-code-generation-task.ya?ml"
      - "Taskfile.ya?ml"
      - "go.mod"
      - "go.sum"
      - "**.go"
      - "etc/schemas/**/*.json"
  pull_request:
    paths:
      - ".github/workflows/check-code-generation-task.ya?ml"
      - "Taskfile.ya?ml"
      - "go.mod"
      - "go.sum"
      - "**.go"
      - "etc/schemas/**/*.json"

jobs:
  run-determination:
    runs-on: ubuntu-latest
    outputs:
      result: ${{ steps.determination.outputs.result }}
    steps:
      - name: Determine if the rest of the workflow should run
        id: determination
        run: |
          RELEASE_BRANCH_REGEX="refs/heads/[0-9]+.[0-9]+.x"
          # The `create` event trigger doesn't support `branches` filters, so it's necessary to use Bash instead.
          if [[ \
            "${{ github.event_name }}" != "create" || \
            "${{ github.ref }}" =~ $RELEASE_BRANCH_REGEX \
          ]]; then
            # Run the other jobs.
            RESULT="true"
          else
            # There is no need to run the other jobs.
            RESULT="false"
          fi

          echo "::set-output name=result::$RESULT"

  check:
    needs: run-determination
    if: needs.run-determination.outputs.result == 'true'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout local repository
        uses: actions/checkout@v3

      - name: Install Go
        uses: actions/setup-go@v3
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Install Task
        uses: arduino/setup-task@v1
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          version: 3.x

      - name: Generate code
        run: task go:generate

      - name: Check for forgotten code generation
        run: git diff --color --exit-code