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-rwxr-xr-xnixpkgs/maintainers/scripts/update.nix8
1 files changed, 7 insertions, 1 deletions
diff --git a/nixpkgs/maintainers/scripts/update.nix b/nixpkgs/maintainers/scripts/update.nix
index 66ea18ddf62..9568c6cbbcc 100755
--- a/nixpkgs/maintainers/scripts/update.nix
+++ b/nixpkgs/maintainers/scripts/update.nix
@@ -9,7 +9,13 @@
# TODO: add assert statements
let
- pkgs = import ./../../default.nix (if include-overlays then { } else { overlays = []; });
+ pkgs = import ./../../default.nix (
+ if include-overlays == false then
+ { overlays = []; }
+ else if include-overlays == true then
+ { } # Let Nixpkgs include overlays impurely.
+ else { overlays = include-overlays; }
+ );
inherit (pkgs) lib;