name: Test Virgin

on:
  push:
    branches:
      - main
      - master
      - develop
      - "*"
  pull_request:

jobs:
  test-virgin:
    runs-on: ubuntu-latest
    timeout-minutes: 45

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Show Docker version
        run: docker version

      - name: Virgin Arch pkgmgr flake test
        run: |
          set -euo pipefail

          echo ">>> Starting virgin ArchLinux container test (with shared caches)..."

          docker run --rm \
            -v "$PWD":/src \
            -v pkgmgr_nix_store:/nix \
            -v pkgmgr_nix_cache:/root/.cache/nix \
            -v pkgmgr_repos:/root/Repositories \
            -v pkgmgr_pip_cache:/root/.cache/pip \
            -w /src \
            archlinux:latest \
            bash -lc '
              set -euo pipefail

              echo ">>> Updating and upgrading Arch system..."
              pacman -Syu --noconfirm git python python-pip nix >/dev/null

              echo ">>> Creating isolated virtual environment for pkgmgr..."
              python -m venv /tmp/pkgmgr-venv

              echo ">>> Activating virtual environment..."
              source /tmp/pkgmgr-venv/bin/activate

              echo ">>> Upgrading pip (cached)..."
              python -m pip install --upgrade pip >/dev/null

              echo ">>> Installing pkgmgr from current source tree (cached pip)..."
              python -m pip install /src >/dev/null

              echo ">>> Enabling Nix experimental features..."
              export NIX_CONFIG="experimental-features = nix-command flakes"

              echo ">>> Running: pkgmgr update pkgmgr --clone-mode shallow --no-verification"
              pkgmgr update pkgmgr --clone-mode shallow --no-verification

              echo ">>> Running: pkgmgr version"
              pkgmgr version pkgmgr

              echo ">>> Virgin Arch test completed successfully."
            '