01/01: git-download: Print a message when falling back to a full fetch.

[Maxim Cournoyer]

apteryx pushed a commit to branch master
in repository guix.

commit 2f18b7329d9260cbada8cdec081765adfa82a5f4
Author: Maxim Cournoyer <address@hidden>
Date:   Wed Oct 24 08:49:50 2018 -0400

    git-download: Print a message when falling back to a full fetch.
    
    Otherwise the user might believe that git-fetch stalled, observing the lack 
of
    output following a 'fatal' git error message (see:
    https://debbugs.gnu.org/33100).
    
    * guix/build/git.scm (git-fetch): Print message when falling back to a full
    fetch.
---
 guix/build/git.scm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/guix/build/git.scm b/guix/build/git.scm
index 14d415a..2d1700a 100644
--- a/guix/build/git.scm
+++ b/guix/build/git.scm
@@ -45,6 +45,8 @@ recursively.  Return #t on success, #f otherwise."
     (if (zero? (system* git-command "fetch" "--depth" "1" "origin" commit))
         (invoke git-command "checkout" "FETCH_HEAD")
         (begin
+          (setvbuf (current-output-port) 'line)
+          (format #t "Failed to do a shallow fetch; retrying a full 
fetch...~%")
           (invoke git-command "fetch" "origin")
           (invoke git-command "checkout" commit)))
     (when recursive?