diff.yml

# Print the diff between the official and the generated file
name: Diff
on:
  pull_request:
    branches: [ main ]

permissions:
  contents: read

jobs:
  diff:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

      - name: Generate Diff
        id: diff
        run: |
          bash dockerhub_doc_config_update.sh
          diff=$(git --no-pager diff -U0 --ignore-matching-lines='^GitCommit:' --no-index official-eclipse-temurin eclipse-temurin)
          echo "diff=$diff" >> "$GITHUB_OUTPUT"
    
      - name: Print diff as a comment
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
        if: ${{ steps.diff.outputs.diff != '' }}
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            github.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: '```diff\n' + ${{ steps.diff.outputs.diff }} + '\n```'
            });