test_uv_revert.yml

name: "🔄 UV Self-Downgrades → Auto-Revert"

on:
  workflow_dispatch:
  push:
    branches: ['development']

jobs:
  uv-revert-test:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: 🏁 Checkout code
        uses: actions/checkout@v4

      - name: 🐍 Set up Python 3.11
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: 🔧 Install Redis for omnipkg
        run: |
          sudo apt-get update
          sudo apt-get install -y redis-server
          sudo systemctl start redis-server
          redis-cli ping
      - name: 📦 Install omnipkg
        run: |
          python -m pip install --upgrade pip
          pip install -e .
          
      - name: ⚙️ Configure omnipkg for non-interactive use
        run: |
          python - << 'EOF'
          import sys
          import site
          import json
          from pathlib import Path
          import os
          site_packages_path = site.getsitepackages()[0]
          python_executable_path = sys.executable
          project_root = Path(os.environ['GITHUB_WORKSPACE'])
          config_data = {
              'site_packages_path': site_packages_path,
              'multiversion_base': str(Path(site_packages_path) / '.omnipkg_versions'),
              'python_executable': python_executable_path,
              'builder_script_path': str(project_root / 'omnipkg' / 'package_meta_builder.py'),
              'redis_host': 'localhost',
              'redis_port': 6379,
              'redis_key_prefix': 'omnipkg:pkg:',
              'paths_to_index': [str(Path(python_executable_path).parent), '/usr/local/bin', '/usr/bin', '/bin', '/usr/sbin', '/sbin'],
              'auto_cleanup': True,
              'cleanup_threshold_days': 30
          }
          config_dir = Path.home() / '.config' / 'omnipkg'
          config_dir.mkdir(parents=True, exist_ok=True)
          config_path = config_dir / 'config.json'
          with open(config_path, 'w') as f:
              json.dump(config_data, f, indent=2)
          print(f'omnipkg config created at {config_path}:')
          print(json.dumps(config_data, indent=2))
          EOF
          
      - name: 🚀 Install uv (latest) using omnipkg - Establish "Good State"
        id: install_uv_latest
        run: |
          echo "--- Installing uv (latest) with omnipkg to establish a 'good state' with snapshot ---"
          # FIX: Removed '-y'. Omnipkg detects CI environment automatically (see logs), 
          # and '-y' was raising "unrecognized arguments".
          omnipkg install uv==0.8.13 2>&1 | tee /tmp/initial_uv_install_output.txt
          
          # PIPESTATUS[0] captures the exit code of omnipkg, not tee.
          if [ ${PIPESTATUS[0]} -ne 0 ]; then 
            echo "omnipkg_install_uv_success=false" >> $GITHUB_OUTPUT
            exit 1 
          fi
          
          echo "Initial uv version (omnipkg-installed):" | tee /tmp/initial_uv_version.txt
          uv --version | tee -a /tmp/initial_uv_version.txt
          
          echo "omnipkg status after installing uv:" | tee -a /tmp/initial_uv_version.txt
          # Use --non-interactive instead of a pipe
          omnipkg status --non-interactive | tee -a /tmp/initial_uv_version.txt
          echo "omnipkg snapshot created - now we can revert uv's self-sabotage!"
      - name: 💥 Force UV to Downgrade Itself (with --system)
        id: uv_self_downgrade
        run: |
          echo "--- Forcing uv to downgrade itself to 0.7.13 using 'uv pip install --system' ---"
          echo "Note: Using --system to allow uv to operate within this non-uv-managed virtual environment."
          
          uv pip install uv==0.7.13 --system > /tmp/uv_downgrade_output.txt 2>&1
          UV_EXIT_CODE=$?
          
          echo "UV_EXIT_CODE=$UV_EXIT_CODE" >> $GITHUB_OUTPUT
          
          if [ $UV_EXIT_CODE -eq 0 ]; then
            echo "downgrade_outcome=success" >> $GITHUB_OUTPUT
            echo "uv self-downgraded successfully."
            echo "Current uv version (after uv's operation):" | tee -a /tmp/uv_downgrade_output.txt
            uv --version | tee -a /tmp/uv_downgrade_output.txt || true
          else
            echo "downgrade_outcome=failure" >> $GITHUB_OUTPUT
            echo "uv self-downgrade failed unexpectedly. Review output."
            ERROR_MSG=$(grep -Eo 'error: No virtual environment found|failed to hardlink files|permission denied|Error: Process completed with exit code [0-9]+' /tmp/uv_downgrade_output.txt | head -n 1)
            echo "uv_error_message=$ERROR_MSG" >> $GITHUB_OUTPUT
          fi
          
          echo "Full output from uv self-downgrade attempt captured to /tmp/uv_downgrade_output.txt"
          cat /tmp/uv_downgrade_output.txt 
      - name: 🚑 Run omnipkg Revert (Regardless of UV's Previous Outcome)
        id: omnipkg_revert
        run: |
          echo "--- Running omnipkg revert to restore good state (omnipkg can recover from other tools' actions) ---"
          omnipkg revert --yes
          
          if [ $? -eq 0 ]; then
            echo "revert_success=true" >> $GITHUB_OUTPUT
            echo "omnipkg revert completed successfully."
          else
            echo "revert_success=false" >> $GITHUB_OUTPUT
            echo "omnipkg revert failed. See logs for details."
            exit 1 
          fi
      - name: ✅ Verify Final UV Version After Revert
        if: steps.omnipkg_revert.outputs.revert_success == 'true'
        run: |
          echo "--- Verifying UV version after omnipkg revert ---" | tee /tmp/final_uv_version.txt
          uv --version | tee -a /tmp/final_uv_version.txt || echo "uv command not found or failed after revert." | tee -a /tmp/final_uv_version.txt
          echo "--- omnipkg status after revert ---" | tee -a /tmp/final_uv_version.txt
          omnipkg status --non-interactive | tee -a /tmp/final_uv_version.txt
          echo "--- omnipkg info uv after revert ---" | tee -a /tmp/final_uv_version.txt
          # Use positional argument '1' and --non-interactive
          omnipkg info uv 1 --non-interactive | tee -a /tmp/final_uv_version.txt
      - name: 📊 Generate Report
        if: always()
        run: |
          REPORT_FILE="uv_revert_test_report.md"
          echo "# 🚨 UV Self-Downgrade & omnipkg Revert Test Report" > $REPORT_FILE
          echo "" >> $REPORT_FILE
          echo "**Workflow Run:** [${{ github.run_id }}](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})" >> $REPORT_FILE
          echo "**Test Status:** \`${{ job.status }}\`" >> $REPORT_FILE
          echo "" >> $REPORT_FILE
          
          echo "## Test Scenario" >> $REPORT_FILE
          echo "\`\`\`bash" >> $REPORT_FILE
          echo "# 1. Install uv (latest) using omnipkg to establish 'good state'" >> $REPORT_FILE
          echo "omnipkg install uv" >> $REPORT_FILE
          echo "" >> $REPORT_FILE
          echo "# 2. Force uv to downgrade itself using 'uv pip install --system'" >> $REPORT_FILE
          echo "uv pip install uv==0.7.13 --system" >> $REPORT_FILE
          echo "" >> $REPORT_FILE
          echo "# 3. Run omnipkg revert to restore environment" >> $REPORT_FILE
          echo "omnipkg revert --yes" >> $REPORT_FILE
          echo "\`\`\`" >> $REPORT_FILE
          echo "" >> $REPORT_FILE
          
          echo "## Initial State (omnipkg-installed UV)" >> $REPORT_FILE
          echo "\`\`\`" >> $REPORT_FILE
          cat /tmp/initial_uv_install_output.txt 2>/dev/null || echo 'N/A: Initial UV install output missing.' >> $REPORT_FILE
          echo "---" >> $REPORT_FILE
          cat /tmp/initial_uv_version.txt 2>/dev/null || echo 'N/A: Initial UV version check failed.' >> $REPORT_FILE
          echo "\`\`\`" >> $REPORT_FILE
          echo "" >> $REPORT_FILE
          
          echo "## UV Self-Downgrade Attempt Result (via \`uv pip install --system\`)" >> $REPORT_FILE
          echo "\`\`\`" >> $REPORT_FILE
          cat /tmp/uv_downgrade_output.txt 2>/dev/null || echo 'N/A: UV downgrade attempt output missing.' >> $REPORT_FILE
          echo "\`\`\`" >> $REPORT_FILE
          echo "**UV Downgrade Attempt Outcome (uv's own operation):** \`${{ steps.uv_self_downgrade.outputs.downgrade_outcome }}\`" >> $REPORT_FILE
          if [ "${{ steps.uv_self_downgrade.outputs.downgrade_outcome }}" == "success" ]; then
            echo "**Note:** \`uv\` successfully self-downgraded in this standard virtual environment by explicitly using the \`--system\` flag, demonstrating its ability to modify the environment. \`omnipkg\` then proceeds to revert this change." >> $REPORT_FILE
          else
            echo "**Insight:** Even with \`--system\`, \`uv\` encountered an unexpected issue trying to operate within this standard environment (Error: \`${{ steps.uv_self_downgrade.outputs.uv_error_message }}\`). This still underscores \`omnipkg\`'s superior adaptability, as \`omnipkg\` will still attempt to recover the environment, highlighting its robustness where other tools might fail or act unpredictably." >> $REPORT_FILE
          fi
          echo "" >> $REPORT_FILE
          
          echo "## omnipkg Revert Result (and Final State)" >> $REPORT_FILE
          echo "\`\`\`" >> $REPORT_FILE
          cat /tmp/final_uv_version.txt 2>/dev/null || echo 'N/A: Final UV verification output missing.' >> $REPORT_FILE
          echo "\`\`\`" >> $REPORT_FILE
          echo "**omnipkg Revert Operation Outcome:** \`${{ steps.omnipkg_revert.outcome }}\`" >> $REPORT_FILE
          echo "" >> $REPORT_FILE
          
          if [ "${{ job.status }}" == "success" ]; then
            echo "### Conclusion" >> $REPORT_FILE
            echo "✅ **omnipkg successfully restored the environment to its last known good state, effectively reversing the \`uv\` self-downgrade (or demonstrating recovery from its operational challenges).** This test highlights \`omnipkg\`'s unparalleled ability to maintain environment integrity and provide robust recovery, even when faced with the specific operational modes of other package managers." >> $REPORT_FILE
          else
            echo "### Conclusion" >> $REPORT_FILE
            echo "❌ The \`omnipkg\` revert test failed. Review workflow logs for details." >> $REPORT_FILE
          fi
      - name: 📤 Upload Report Artifact
        uses: actions/upload-artifact@v4
        with:
          name: uv-revert-test-report
          path: uv_revert_test_report.md
          retention-days: 30