diagnostic-build-log.yml

name: Diagnostic build log

on:
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]

jobs:
  require-diagnostic-build-log:
    name: Require diagnostic build log bundle in PR
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Verify new diagnostic .logd and .json are committed in this PR
        shell: bash
        run: |
          set -euo pipefail

          base_sha="${{ github.event.pull_request.base.sha }}"
          head_sha="${{ github.event.pull_request.head.sha }}"

          echo "Checking PR diff from ${base_sha} to ${head_sha}"

          mapfile -t new_logd < <(
            git diff --name-only --diff-filter=A "${base_sha}...${head_sha}" -- 'diagnostic/*.logd'
          )

          mapfile -t new_json < <(
            git diff --name-only --diff-filter=A "${base_sha}...${head_sha}" -- 'diagnostic/*.json'
          )

          if [ "${#new_logd[@]}" -eq 0 ]; then
            echo "::error::This PR must commit a new diagnostic .logd file under diagnostic/."
            exit 1
          fi

          if [ "${#new_json[@]}" -eq 0 ]; then
            echo "::error::This PR must commit a new diagnostic .json file under diagnostic/."
            exit 1
          fi

          echo "Found new diagnostic .logd file(s):"
          printf ' - %s\n' "${new_logd[@]}"

          echo "Found new diagnostic .json file(s):"
          printf ' - %s\n' "${new_json[@]}"

          for file in "${new_logd[@]}" "${new_json[@]}"; do
            if [ ! -f "${file}" ]; then
              echo "::error file=${file}::Diagnostic file path is not a file."
              exit 1
            fi

            if [ ! -s "${file}" ]; then
              echo "::error file=${file}::Diagnostic file is empty."
              exit 1
            fi
          done