name: 'Commit Message Check'
on:
  pull_request:
    types:
      - opened
      - edited
      - reopened
      - synchronize

jobs:
  check-commit-message:
    name: Check Commit Message
    runs-on: ubuntu-latest
    steps:
      - name: Get PR Commits
        id: 'get-pr-commits'
        uses: tim-actions/get-pr-commits@master
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Check Subject Line Length
        uses: tim-actions/commit-message-checker-with-regex@v0.3.1
        with:
          commits: ${{ steps.get-pr-commits.outputs.commits }}
          pattern: '^.{0,75}(\n.*)*$'
          error: 'Subject too long (max 75)'

      - name: Check Body Line Length
        if: ${{ success() || failure() }}
        uses: tim-actions/commit-message-checker-with-regex@v0.3.1
        with:
          commits: ${{ steps.get-pr-commits.outputs.commits }}
          pattern: '^.+(\n.{0,72})*$'
          error: 'Body line too long (max 72)'

      - name: Check Fixes
        if: ${{ success() || failure() }}
        uses: tim-actions/commit-message-checker-with-regex@v0.3.1
        with:
          commits: ${{ steps.get-pr-commits.outputs.commits }}
          pattern: '\s*Fixes\s*:?\s*(#\d+|github\.com\/kata-containers\/[a-z-.]*#\d+)'
          error: 'No "Fixes" found'
          one_pass_all_pass: 'true'

      - name: Check subsystem
        if: ${{ success() || failure() }}
        uses: tim-actions/commit-message-checker-with-regex@v0.3.1
        with:
          commits: ${{ steps.get-pr-commits.outputs.commits }}
          pattern: '^[\h]*([^:\h\n]+)[\h]*:'
          error: 'Failed to find subsystem in subject'