breaking_changes_detector.yml

name: "Detect breaking changes"

on:
  pull_request:
    branches:
      - main

jobs:
  check-semver:
    name: Check semver
    runs-on: ubuntu-latest
    outputs:
      logs: ${{ steps.check_semver.outputs.logs }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable

      - name: Install cargo-semver-checks
        run: cargo install cargo-semver-checks

      - name: Run cargo-semver-checks
        id: check_semver
        run: |
          set +e
          cargo semver-checks --baseline-rev origin/main 2>&1 | tee /tmp/semver-output.txt
          EXIT_CODE=${PIPESTATUS[0]}
          OUTPUT=$(sed 's/\x1b\[[0-9;]*m//g' /tmp/semver-output.txt)
          echo "logs<<EOF" >> "$GITHUB_OUTPUT"
          echo "$OUTPUT" >> "$GITHUB_OUTPUT"
          echo "EOF" >> "$GITHUB_OUTPUT"
          exit $EXIT_CODE

  comment-on-pr:
    name: Comment on pull request
    runs-on: ubuntu-latest
    needs: check-semver
    if: always()
    permissions:
      pull-requests: write
    steps:
      - name: Comment
        if: ${{ needs.check-semver.result != 'success' }}
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: pr-semver-check-error
          message: |
            Thank you for opening this pull request!

            Reviewer note: [cargo-semver-checks](https://github.com/obi1kenobi/cargo-semver-checks) reported the current version number is not SemVer-compatible with the changes made since the last release.

            Details:

            ```
            ${{ needs.check-semver.outputs.logs }}
            ```

      - name: Delete comment
        if: ${{ needs.check-semver.result == 'success' }}
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: pr-semver-check-error
          delete: true