From 24194b6b543427510766813fdce01cfb79d00651 Mon Sep 17 00:00:00 2001
From: Nikita Karetnikov <nikita@karetnikov.org>
Date: Sat, 15 Mar 2014 11:46:16 +0000
Subject: nar: Clarify that 'assert-valid-signature' accepts a string.

* guix/nar.scm (assert-valid-signature): Improve the wording.
---
 guix/nar.scm | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'guix/nar.scm')

diff --git a/guix/nar.scm b/guix/nar.scm
index 5bf174554c..dfee309d04 100644
--- a/guix/nar.scm
+++ b/guix/nar.scm
@@ -369,8 +369,9 @@ while the locks are held."
     port)
 
   (define (assert-valid-signature signature hash file)
-    ;; Bail out if SIGNATURE, an sexp, doesn't match HASH, a bytevector
-    ;; containing the expected hash for FILE.
+    ;; Bail out if SIGNATURE, which must be a string as produced by
+    ;; 'canonical-sexp->string', doesn't match HASH, a bytevector containing
+    ;; the expected hash for FILE.
     (let* ((signature (catch 'gcry-error
                         (lambda ()
                           (string->canonical-sexp signature))
-- 
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