commit-check-workflow.yml

name: Commit Message Check
run-name: ${{ format('{0} triggered by {1} on {2} {3}', github.workflow, (github.event_name == 'workflow_dispatch' && format('user {0}', github.actor) || format('{0} event', github.event_name) ), github.repository, github.ref_name) }}
on:
  pull_request:

jobs:
  CheckCommitMessages:
    permissions:
      contents: read
    runs-on: ubuntu-22.04
    steps:
      - name: Check out PR code
        uses: actions/checkout@v4
        with:
          fetch-depth: ${{github.event.pull_request.commits}} # only checkout commits from this PR
          ref: ${{ github.ref }}

      - name: Check PR commit messages don't start with 'FIXUP'
        run: "[ $(git log --grep '^FIXUP' | wc -c) -eq 0 ]"

      - name: Check PR commit messages don't start with 'SQUASH'
        run: "[ $(git log --grep '^SQUASH' | wc -c) -eq 0 ]"

      - name: Check PR commit messages don't start with 'AMEND'
        run: "[ $(git log --grep '^AMEND' | wc -c) -eq 0 ]"

      - name: Check PR commit messages don't start with 'REWORD'
        run: "[ $(git log --grep '^REWORD' | wc -c) -eq 0 ]"

      - name: Check PR commit messages don't start with 'DONOTMERGE'
        run: "[ $(git log --grep '^DONOTMERGE' | wc -c) -eq 0 ]"

      - name: Check PR commit messages don't start with 'WIP'
        run: "[ $(git log --grep '^WIP' | wc -c) -eq 0 ]"

      - name: Check PR commit messages don't start with 'TEMP'
        run: "[ $(git log --grep '^TEMP' | wc -c) -eq 0 ]"

      - name: Check PR commit messages don't start with '!fixup'
        run: "[ $(git log --grep '^!fixup' | wc -c) -eq 0 ]"

      - name: Check PR commit messages don't start with '!squash'
        run: "[ $(git log --grep '^!squash' | wc -c) -eq 0 ]"

      - name: Check PR commit messages don't start with '!amend'
        run: "[ $(git log --grep '^!amend' | wc -c) -eq 0 ]"

      - name: Check PR commit messages don't start with '!reword'
        run: "[ $(git log --grep '^!reword' | wc -c) -eq 0 ]"