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-rw-r--r--guix/git-authenticate.scm7
1 files changed, 5 insertions, 2 deletions
diff --git a/guix/git-authenticate.scm b/guix/git-authenticate.scm
index 00d22ef479..c333717136 100644
--- a/guix/git-authenticate.scm
+++ b/guix/git-authenticate.scm
@@ -184,8 +184,11 @@ to remove '.guix-authorizations' file")
default-authorizations)
(throw key error)))))
- (apply lset-intersection bytevector=?
- (map commit-authorizations (commit-parents commit))))
+ (match (commit-parents commit)
+ (() default-authorizations)
+ (parents
+ (apply lset-intersection bytevector=?
+ (map commit-authorizations parents)))))
(define* (authenticate-commit repository commit keyring
#:key (default-authorizations '()))