name: Comment on Discussion When dist-arch/ Changes

on:
  push:
    paths:
      - 'dist-arch/**'

jobs:
  comment_on_discussion:
    runs-on: ubuntu-latest
    steps:
      - name: Create comment on discussion #2140
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          # https://docs.github.com/en/graphql/reference/mutations#adddiscussioncomment
        run: |
          gh api graphql -f query='
            mutation {
              addDiscussionComment(
                input: {
                  discussionId: "DISCUSSION_ID",
                  body: "dist-arch/ directory has changed in commit ${{ github.sha }} by ${{ github.actor }}."
                }
              ) {
                comment {
                  id
                  body
                }
              }
            }
          '