commit_message.yml

name: 'Commit Message'

on: [push]

jobs:
  check-commit-message:
    name: Check Commit Message
    runs-on: ubuntu-latest
    steps:
      - name: Check Title Capitalize
        uses: gsactions/commit-message-checker@v1
        with:
          pattern: '^[^a-z]'
          flags: ''
          error: 'Your title should capitalize first word, read CONTRIBUTING.md for more details.'
      - name: Check Title Length
        uses: gsactions/commit-message-checker@v1
        with:
          pattern: '^[^\s]+([ \t]+[^\s]+){2,}[ \t]*(\n.*)?$'
          flags: 's'
          error: 'A meaningful title should contain at least 3 words, read CONTRIBUTING.md for more details.'
      - name: Check Title Line Length
        uses: gsactions/commit-message-checker@v1
        with:
          pattern: '^([^\n]{1,50}|Merge pull request.*|Merge .*branch .*)(\n.*)?$'
          flags: 's'
          error: 'The maximum title line length of 50 characters is exceeded, read CONTRIBUTING.md for more details.'
      - name: Check Title Line Separator
        uses: gsactions/commit-message-checker@v1
        with:
          pattern: '^[^\n]+(\n\n.+)?$'
          flags: 's'
          error: 'Should leave an empty line after title'
      - name: Check Line Length
        uses: gsactions/commit-message-checker@v1
        with:
          pattern: '^[^\n]+(\n[^\n]{0,72})*$'
          flags: 's'
          error: 'The maximum line length of 72 characters is exceeded, read CONTRIBUTING.md for more details.'