git: Add an exception printer for 'git-error'.

* guix/git.scm (print-git-error): New procedure. <top level>: Call 'set-exception-printer!'.
2019-02-11 22:51:08 +01:00 · 2019-02-11 22:51:08 +01:00 · 1d8b10d00f
commit 1d8b10d00f
parent 70a50305c4
1 changed files with 8 additions and 0 deletions
--- a/guix/git.scm
+++ b/guix/git.scm
@ -300,6 +300,14 @@ Log progress and checkout info to LOG-PORT."
                          #:select? (negate dot-git?))
            commit)))

+(define (print-git-error port key args default-printer)
+  (match args
+    (((? git-error? error) . _)
+     (format port (G_ "Git error: ~a~%")
+             (git-error-message error)))))
+
+(set-exception-printer! 'git-error print-git-error)
+

 ;;;
 ;;; Checkouts.