changeset-check.yml

name: PR Changeset Check

on:
  pull_request:
    types:
      - opened
      - synchronize

jobs:
  check_changeset:
    runs-on: ubuntu-latest

    steps:
      - name: Check out code
        uses: actions/checkout@v2

      - name: Check for major changes
        run: |
          changed_files=$(git diff --name-only "HEAD..HEAD~1")
          files=$(echo "$changed_files" | grep "\.changeset")
          major_changes=$(grep -c "major" $files)
          echo "$major_changes major changes found."
          if [ "$major_changes" -gt 0 ]; then
            comment="@${{ github.actor }}, 本次 PR 的更改包含 major 变更，请确认是否符合预期。<!-- AUTO_CHANGESET_CHECK_HOOK -->"
            echo "$comment" > comment_body.txt
            echo "comment=$comment" >> $GITHUB_OUTPUT
          else
            echo "comment=" >> $GITHUB_OUTPUT
          fi
    
      # Save PR id to output
      - name: save PR id
        id: pr
        run: echo "id=$(<pr-id.txt)" >> $GITHUB_OUTPUT

  add_comment:
    needs: check_changeset
    runs-on: ubuntu-latest
    if: ${{ needs.check_changeset.outputs.comment != '' }}

    steps:
      - name: update status comment
        uses: actions-cool/maintain-one-comment@v3
        with:
            token: ${{ secrets.GITHUB_TOKEN }}
            body: ${{ needs.check_changeset.outputs.comment }}
            body-include: '<!-- AUTO_CHANGESET_CHECK_HOOK -->'
            number: ${{ steps.pr.outputs.id }}

  delete_comment:
    needs: check_changeset
    runs-on: ubuntu-latest
    if: ${{ needs.check_changeset.outputs.comment == '' }}

    steps:
      - name: Delete comment
        uses: actions-cool/maintain-one-comment@v3
        with:
            token: ${{ secrets.GITHUB_TOKEN }}
            body-include: '<!-- AUTO_CHANGESET_CHECK_HOOK -->'
            number: ${{ steps.pr.outputs.id }}
            delete: true