38 lines
1.0 KiB
Python
38 lines
1.0 KiB
Python
from pathlib import Path
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from testlib.fixtures.file_helper import with_files
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from testlib.fixtures.nix import Nix
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from testlib.utils import get_global_asset
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@with_files({"config.nix": get_global_asset("config.nix")})
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def test_selfref_gc(nix: Nix):
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expr = """
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with import ./config.nix;
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let d1 = mkDerivation {
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name = "selfref-gc";
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outputs = [ "out" ];
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buildCommand = "
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echo SELF_REF: $out > $out
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";
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}; in
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# the only change from d1 is d1 as an (unused) build input
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# to get identical store path in CA.
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mkDerivation {
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name = "selfref-gc";
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outputs = [ "out" ];
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buildCommand = "
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echo UNUSED: ${d1}
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echo SELF_REF: $out > $out
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";
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}
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"""
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out = Path(nix.nix_build(["--no-out-link", "-E", expr]).run().ok().stdout_plain)
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assert out.exists()
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nix.nix([], nix_exe="nix-collect-garbage").run().ok()
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assert list(nix.env.dirs.real_store_dir.glob("*selfref*")) == []
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