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lib/types: check paths in pathWith with hasStorePathPrefix (#387304)

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Johannes Kirschbauer 2025-04-21 10:45:23 +02:00 • committed by GitHub
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4 changed files with 18 additions and 2 deletions
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9
lib/types.nix
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@ -678,7 +678,14 @@ let
check =
x:
let
isInStore = builtins.match "${builtins.storeDir}/[^.].*" (toString x) != null;
isInStore = lib.path.hasStorePathPrefix (
if builtins.isPath x then
x
# Discarding string context is necessary to convert the value to
# a path and safe as the result is never used in any derivation.
else
/. + builtins.unsafeDiscardStringContext x
);
isAbsolute = builtins.substring 0 1 (toString x) == "/";
isExpectedType = (
if inStore == null || inStore then isStringLike x else isString x # Do not allow a true path, which could be copied to the store later on.