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-rw-r--r--lib/eval-source.nix8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/eval-source.nix b/lib/eval-source.nix
index 468fc92d1..ff853185b 100644
--- a/lib/eval-source.nix
+++ b/lib/eval-source.nix
@@ -10,6 +10,12 @@ let
};
};
};
+ sanitize = x: getAttr (typeOf x) {
+ set = mapAttrs
+ (const sanitize)
+ (filterAttrs (name: value: name != "_module" && value != null) x);
+ string = x;
+ };
in
# This function's return value can be used as pkgs.populate input.
- _file: source: (eval _file source).config.source
+ _file: source: sanitize (eval _file source).config.source