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-rw-r--r--guix/scripts/build.scm6
1 files changed, 4 insertions, 2 deletions
diff --git a/guix/scripts/build.scm b/guix/scripts/build.scm
index 8326d64f48..d7d71b7ab9 100644
--- a/guix/scripts/build.scm
+++ b/guix/scripts/build.scm
@@ -99,8 +99,10 @@ found. Return #f if no build log was found."
(define (register-root store paths root)
"Register ROOT as an indirect GC root for all of PATHS."
- (let* ((root (string-append (canonicalize-path (dirname root))
- "/" root)))
+ (let* ((root (if (string-prefix? "/" root)
+ root
+ (string-append (canonicalize-path (dirname root))
+ "/" root))))
(catch 'system-error
(lambda ()
(match paths