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-rw-r--r--guix/build/utils.scm10
1 files changed, 10 insertions, 0 deletions
diff --git a/guix/build/utils.scm b/guix/build/utils.scm
index 6d3c29d001..7391307c87 100644
--- a/guix/build/utils.scm
+++ b/guix/build/utils.scm
@@ -84,6 +84,7 @@
fold-port-matches
remove-store-references
wrap-program
+ invoke
locale-category->string))
@@ -579,6 +580,15 @@ Where every <*-phase-name> is an expression evaluating to a symbol, and
((_ phases (add-after old-phase-name new-phase-name new-phase))
(alist-cons-after old-phase-name new-phase-name new-phase phases))))
+(define (invoke program . args)
+ "Invoke PROGRAM with the given ARGS. Raise an error if the exit
+code is non-zero; otherwise return #t."
+ (let ((status (apply system* program args)))
+ (unless (zero? status)
+ (error (format #f "program ~s exited with non-zero code" program)
+ status))
+ #t))
+
;;;
;;; Text substitution (aka. sed).