101 lines
2.7 KiB
Python
101 lines
2.7 KiB
Python
import json
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import os
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import tempfile
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from .dirs import get_clan_flake_toplevel, nixpkgs_flake, nixpkgs_source, unfree_nixpkgs
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def nix_build_machine(machine: str, attr: list[str]) -> list[str]:
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clan_flake = get_clan_flake_toplevel()
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payload = json.dumps(
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dict(
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clan_flake=clan_flake,
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machine=machine,
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attr=attr,
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)
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)
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return [
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"nix",
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"build",
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"--impure",
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"--print-out-paths",
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"--expr",
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f'let args = builtins.fromJSON "{payload}"; in '
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"""
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let
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flake = builtins.getFlake args.clan_flake;
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config = flake.nixosConfigurations.${args.machine}.extendModules {
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modules = [{
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clanCore.clanDir = args.clan_flake;
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}];
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};
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in
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flake.inputs.nixpkgs.lib.getAttrFromPath args.attr config
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""",
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]
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def nix_eval(flags: list[str]) -> list[str]:
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if os.environ.get("IN_NIX_SANDBOX"):
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with tempfile.TemporaryDirectory() as nix_store:
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return [
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"nix",
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"eval",
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"--show-trace",
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"--extra-experimental-features",
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"nix-command flakes",
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"--override-input",
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"nixpkgs",
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str(nixpkgs_source()),
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# --store is required to prevent this error:
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# error: cannot unlink '/nix/store/6xg259477c90a229xwmb53pdfkn6ig3g-default-builder.sh': Operation not permitted
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"--store",
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nix_store,
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] + flags
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return [
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"nix",
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"eval",
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"--show-trace",
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"--extra-experimental-features",
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"nix-command flakes",
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] + flags
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def nix_shell(packages: list[str], cmd: list[str]) -> list[str]:
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# we cannot use nix-shell inside the nix sandbox
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# in our tests we just make sure we have all the packages
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if os.environ.get("IN_NIX_SANDBOX"):
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return cmd
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wrapped_packages = [f"nixpkgs#{p}" for p in packages]
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return (
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[
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"nix",
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"shell",
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"--extra-experimental-features",
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"nix-command flakes",
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"--inputs-from",
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f"{str(nixpkgs_flake())}",
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]
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+ wrapped_packages
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+ ["-c"]
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+ cmd
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)
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def unfree_nix_shell(packages: list[str], cmd: list[str]) -> list[str]:
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if os.environ.get("IN_NIX_SANDBOX"):
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return cmd
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return (
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[
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"nix",
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"shell",
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"--extra-experimental-features",
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"nix-command flakes",
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"-f",
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str(unfree_nixpkgs()),
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]
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+ packages
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+ ["-c"]
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+ cmd
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)
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