From 8221e7f78fef1fba046e51696d8b5a69104156ea Mon Sep 17 00:00:00 2001
From: Amadej Kastelic <amadejkastelic7@gmail.com>
Date: Sun, 27 Jul 2025 17:38:25 +0200
Subject: [PATCH] mcp-nixos: init at 1.0.0

---
 pkgs/by-name/mc/mcp-nixos/package.nix         | 63 +++++++++++++++++++
 .../mcp-nixos/tests-mock-nix-channels.patch   | 35 +++++++++++
 2 files changed, 98 insertions(+)
 create mode 100644 pkgs/by-name/mc/mcp-nixos/package.nix
 create mode 100644 pkgs/by-name/mc/mcp-nixos/tests-mock-nix-channels.patch

diff --git a/pkgs/by-name/mc/mcp-nixos/package.nix b/pkgs/by-name/mc/mcp-nixos/package.nix
new file mode 100644
index 000000000000..bc44ee41e5be
--- /dev/null
+++ b/pkgs/by-name/mc/mcp-nixos/package.nix
@@ -0,0 +1,63 @@
+{
+  lib,
+  fetchFromGitHub,
+  python3Packages,
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "mcp-nixos";
+  version = "1.0.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "utensils";
+    repo = "mcp-nixos";
+    tag = "v${version}";
+    hash = "sha256-NwP+zM1VGLOzIm+mLZVK9/9ImFwuiWhRJ9QK3hGpQsY=";
+  };
+
+  patches = [
+    # This patch mocks nix channel listing network calls in tests
+    ./tests-mock-nix-channels.patch
+  ];
+
+  build-system = [ python3Packages.hatchling ];
+
+  dependencies = with python3Packages; [
+    beautifulsoup4
+    mcp
+    requests
+  ];
+
+  nativeCheckInputs = with python3Packages; [
+    anthropic
+    pytestCheckHook
+    pytest-asyncio
+    python-dotenv
+  ];
+
+  disabledTestMarks = [
+    # Require network access
+    "integration"
+  ];
+
+  disabledTestPaths = [
+    # Require network access
+    "tests/test_nixhub_evals.py"
+    "tests/test_mcp_behavior_evals.py"
+    "tests/test_option_info_improvements.py"
+    # Requires configured channels
+    "tests/test_dynamic_channels.py"
+  ];
+
+  pythonImportsCheck = [ "mcp_nixos" ];
+
+  meta = {
+    description = "MCP server for NixOS";
+    homepage = "https://github.com/utensils/mcp-nixos";
+    changelog = "https://github.com/utensils/mcp-nixos/releases/tag/${src.tag}";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.amadejkastelic ];
+    mainProgram = "mcp-nixos";
+  };
+}
diff --git a/pkgs/by-name/mc/mcp-nixos/tests-mock-nix-channels.patch b/pkgs/by-name/mc/mcp-nixos/tests-mock-nix-channels.patch
new file mode 100644
index 000000000000..b7fc92841ab8
--- /dev/null
+++ b/pkgs/by-name/mc/mcp-nixos/tests-mock-nix-channels.patch
@@ -0,0 +1,35 @@
+diff --git a/tests/conftest.py b/tests/conftest.py
+index 0a11295..1172182 100644
+--- a/tests/conftest.py
++++ b/tests/conftest.py
+@@ -3,6 +3,30 @@
+ import pytest  # pylint: disable=unused-import
+ 
+ 
++@pytest.fixture(autouse=True)
++def mock_get_channels(monkeypatch):
++    """Mock get_channels function to return fixed channels for all tests."""
++    def mock_channels():
++        return {
++            "unstable": "latest-43-nixos-unstable",
++            "25.05": "latest-43-nixos-25.05",
++            "25.11": "latest-43-nixos-25.11",
++            "24.11": "latest-43-nixos-24.11",
++            "stable": "latest-43-nixos-25.05",
++            "beta": "latest-43-nixos-25.05"
++        }
++
++    # Patch the function in the server module
++    monkeypatch.setattr('mcp_nixos.server.get_channels', mock_channels)
++
++    # Also patch any imported references in test modules
++    monkeypatch.setattr('tests.test_channel_handling.get_channels', mock_channels)
++    monkeypatch.setattr('tests.test_dynamic_channels.get_channels', mock_channels, raising=False)
++    monkeypatch.setattr('tests.test_mcp_behavior_comprehensive.get_channels', mock_channels, raising=False)
++    monkeypatch.setattr('tests.test_real_world_scenarios.get_channels', mock_channels, raising=False)
++    monkeypatch.setattr('tests.test_server_comprehensive.get_channels', mock_channels, raising=False)
++
++
+ def pytest_addoption(parser):
+     """Add test filtering options."""
+     parser.addoption("--unit", action="store_true", help="Run unit tests only")