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simplify reading hostPlaform.system from nixos

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This commit is contained in:
Jörg Thalheim
2024-11-11 16:17:54 +01:00
parent cd6d585bea
commit 7cb296e717
1 changed files with 4 additions and 11 deletions
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15
pkgs/clan-cli/clan_cli/machines/machines.py
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@@ -49,21 +49,14 @@ class Machine:
@property @property
def system(self) -> str: def system(self) -> str:
# We filter out function attributes because they are not serializable. # We filter out function attributes because they are not serializable.
attr = f""" attr = f'(builtins.getFlake "{self.flake}").nixosConfigurations.{self.name}.pkgs.hostPlatform.system'
(let output = self._eval_cache.get(attr)
machine = ((builtins.getFlake "{self.flake}").nixosConfigurations.{self.name}); if output is None:
in
{{ x = machine.pkgs.stdenv.hostPlatform.system; }}).x
"""
if attr in self._eval_cache:
output = self._eval_cache[attr]
else:
output = run_no_stdout( output = run_no_stdout(
nix_eval(["--impure", "--expr", attr]) nix_eval(["--impure", "--expr", attr])
).stdout.strip() ).stdout.strip()
self._eval_cache[attr] = output self._eval_cache[attr] = output
value = json.loads(output) return json.loads(output)
return value
@property @property
def can_build_locally(self) -> bool: def can_build_locally(self) -> bool: