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-rw-r--r--guix/utils.scm5
1 files changed, 3 insertions, 2 deletions
diff --git a/guix/utils.scm b/guix/utils.scm
index 2d51e44a22..d0a09c9f5c 100644
--- a/guix/utils.scm
+++ b/guix/utils.scm
@@ -460,11 +460,12 @@ starting from the right of S."
;; Capture the build-time value of $NIXPKGS.
(compile-time-value (getenv "NIXPKGS"))))
-(define (nixpkgs-derivation attribute)
+(define* (nixpkgs-derivation attribute #:optional (system (%current-system)))
"Return the derivation path of ATTRIBUTE in Nixpkgs."
(let* ((p (open-pipe* OPEN_READ (or (getenv "NIX_INSTANTIATE")
"nix-instantiate")
- "-A" attribute (%nixpkgs-directory)))
+ "-A" attribute (%nixpkgs-directory)
+ "--argstr" "system" system))
(l (read-line p))
(s (close-pipe p)))
(and (zero? (status:exit-val s))