test_vars_deployment: set hostPlatform depending on current system

pkgs/clan-cli/tests/nix_config.py

@@ -0,0 +1,24 @@
+import json
+import subprocess
+from dataclasses import dataclass
+
+import pytest
+
+
+@dataclass
+class ConfigItem:
+    aliases: list[str]
+    defaultValue: bool  # noqa: N815
+    description: str
+    documentDefault: bool  # noqa: N815
+    experimentalFeature: str  # noqa: N815
+    value: str | bool | list[str] | dict[str, str]
+
+
+@pytest.fixture(scope="session")
+def nix_config() -> dict[str, ConfigItem]:
+    proc = subprocess.run(
+        ["nix", "show-config", "--json"], check=True, stdout=subprocess.PIPE
+    )
+    data = json.loads(proc.stdout)
+    return {name: ConfigItem(**c) for name, c in data.items()}