name: repo-sanity

on:
  pull_request:
  push:
    branches:
      - main
      - codex
      - opencode

jobs:
  repo-sanity:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Check tracked top-level docs for obvious machine-specific paths
        run: |
          set -euo pipefail
          python3 - <<'PY'
          import re
          import subprocess
          import sys
          from pathlib import Path

          tracked = subprocess.check_output(['git', 'ls-files'], text=True).splitlines()
          allowed = {
              'README.md', 'README.zh-CN.md', 'README.ja-JP.md',
              'CLAUDE.md', 'CLAUDE.zh-CN.md', 'CLAUDE.ja-JP.md',
              'AGENTS.md',
              'MCP_SETUP.md', 'MCP_SETUP.zh-CN.md', 'MCP_SETUP.ja-JP.md',
              'OBSIDIAN_SETUP.md', 'OBSIDIAN_SETUP.zh-CN.md', 'OBSIDIAN_SETUP.ja-JP.md',
              'settings.json.template',
              '.github/PULL_REQUEST_TEMPLATE.md',
              '.github/ISSUE_TEMPLATE/bug_report.yml',
              '.github/ISSUE_TEMPLATE/workflow_gap.yml',
              '.github/ISSUE_TEMPLATE/docs_problem.yml',
              '.github/ISSUE_TEMPLATE/config.yml',
          }
          pattern = re.compile(r'/Users/[A-Za-z0-9_.-]+|/home/[A-Za-z0-9_.-]+|[A-Za-z]:\\Users\\[A-Za-z0-9_. -]+')
          bad = []
          for rel in tracked:
              if rel not in allowed:
                  continue
              try:
                  text = Path(rel).read_text(encoding='utf-8')
              except Exception:
                  continue
              if pattern.search(text):
                  bad.append(rel)
          if bad:
              print('Found machine-specific paths in:')
              for rel in bad:
                  print(rel)
              sys.exit(1)
          PY

      - name: Check tracked junk files
        run: |
          set -euo pipefail
          if git ls-files | rg '(^|/)(\.DS_Store|Thumbs\.db|desktop\.ini)$'; then
            echo "Tracked junk files detected."
            exit 1
          fi