GH actions: Get commit message in a PR

get-commit.yml

name: Notify on Pull Request

on:
  pull_request:
    branches: [dev]

jobs:
  send_notification:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
          ref: ${{github.event.after}}
      - name: Get Commit Message
        run: |
          MSG=$(git log --format=%B -n 1 ${{github.event.after}})
          echo "::set-env name=COMMIT_MESSAGE::${MSG}"
      - name: Echo commit message
        run: echo "Commit SHA: ${{github.event.after}}, commit message: ${{env.COMMIT_MESSAGE}} (or ${COMMIT_MESSAGE})"

@neotan no, it doesn't work in PR events as mentioned above (only push).

ah, my bad! Overlooked the mentions above, ya it works in pushing. Thanks for pointing out!

This thread helped me get where I needed to go!