git-diff.yaml

name: git diff

on:
  pull_request:
    branches:
      - master

jobs:
  list-diff:
    name: Fetch changed file names
    if: "!contains(github.event.pull_request.labels.*.name, 'dependencies')"
    runs-on: ubuntu-latest
    outputs:
      result: ${{ steps.changed-files.outputs.diff }}
    steps:
      - uses: actions/checkout@v4
      - name: Fetch base branch
        run: git fetch --prune --depth=1 origin ${{ github.base_ref }}

      - name: Fetch changed file names
        id: changed-files
        run: |
          echo "diff=$(git diff --diff-filter=d --name-only origin/${{ github.base_ref }} | tr '\n' ' ')" >> $GITHUB_OUTPUT

  check-files-included:
    name: Check the CHANGELOG.md is changed
    needs: list-diff
    if: contains(needs.list-diff.outputs.result, 'src')
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Fetch base branch
        run: git fetch --prune --depth=1 origin ${{ github.base_ref }}

      - name: Check the CHANGELOG.md is updated.
        run: git diff --diff-filter=d --name-only origin/${{ github.base_ref }} | grep CHANGELOG.md