action.yaml

name: Commit message standards checks
description: Check the integrity of commit messages against Space ROS project standards

runs:
  using: composite
  steps:
    - name: Un-shallow the git history so we can poke around in it
      run: git fetch --unshallow
      shell: bash

    - name: Support forks by grabbing the commit history from the PR branch
      run: git fetch origin pull/${{ github.event.number }}/head:updated_head_ref
      shell: bash

    - name: Check that every commit name includes an issue reference like "#1"
      run: |
        set -eo pipefail
        IFS=$'\n'
        commits=$(git log --oneline origin/${{github.base_ref}}..updated_head_ref)
        for commit in $commits
        do
          if [[ $commit =~ ^.*#[0-9]+.*$ ]];
          then
            continue
          else
            echo "Found commit with no issue number: $commit"
            exit 1
          fi
        done
      shell: bash