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-rw-r--r--guix/scripts/describe.scm8
1 files changed, 7 insertions, 1 deletions
diff --git a/guix/scripts/describe.scm b/guix/scripts/describe.scm
index b6287d3a4c..fa6b6cae37 100644
--- a/guix/scripts/describe.scm
+++ b/guix/scripts/describe.scm
@@ -18,6 +18,7 @@
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix scripts describe)
+ #:use-module ((guix config) #:select (%guix-version))
#:use-module ((guix ui) #:hide (display-profile-content))
#:use-module (guix channels)
#:use-module (guix scripts)
@@ -114,7 +115,12 @@ within a Git checkout."
(lambda ()
(repository-discover (dirname program)))
(lambda (key err)
- (leave (G_ "failed to determine origin~%")))))
+ (report-error (G_ "failed to determine origin~%"))
+ (display-hint (format #f (G_ "Perhaps this
+@command{guix} command was not obtained with @command{guix pull}? Its version
+string is ~a.~%")
+ %guix-version))
+ (exit 1))))
(repository (repository-open directory))
(head (repository-head repository))
(commit (oid->string (reference-target head))))