clan-core/pkgs/clan-cli/clan_cli/nix.py
DavHau df10ca6ece
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clan-cli: fix nix_shell
2023-09-06 15:18:22 +02:00

70 lines
1.8 KiB
Python

import os
import tempfile
from .dirs import nixpkgs, unfree_nixpkgs
def nix_eval(flags: list[str]) -> list[str]:
if os.environ.get("IN_NIX_SANDBOX"):
with tempfile.TemporaryDirectory() as nix_store:
return [
"nix",
"eval",
"--show-trace",
"--extra-experimental-features",
"nix-command flakes",
"--override-input",
"nixpkgs",
str(nixpkgs()),
# --store is required to prevent this error:
# error: cannot unlink '/nix/store/6xg259477c90a229xwmb53pdfkn6ig3g-default-builder.sh': Operation not permitted
"--store",
nix_store,
] + flags
return [
"nix",
"eval",
"--show-trace",
"--extra-experimental-features",
"nix-command flakes",
] + flags
def nix_shell(packages: list[str], cmd: list[str]) -> list[str]:
# we cannot use nix-shell inside the nix sandbox
# in our tests we just make sure we have all the packages
if os.environ.get("IN_NIX_SANDBOX"):
return cmd
wrapped_packages = [f"nixpkgs#{p}" for p in packages]
return (
[
"nix",
"shell",
"--extra-experimental-features",
"nix-command flakes",
"--inputs-from",
f"{str(nixpkgs())}",
]
+ wrapped_packages
+ ["-c"]
+ cmd
)
def unfree_nix_shell(packages: list[str], cmd: list[str]) -> list[str]:
if os.environ.get("IN_NIX_SANDBOX"):
return cmd
return (
[
"nix",
"shell",
"--extra-experimental-features",
"nix-command flakes",
"-f",
str(unfree_nixpkgs()),
]
+ packages
+ ["-c"]
+ cmd
)