Improve error message about fetch into current branch

Otherwise, it is hard to guess why the fetch failed.
Make sure we at least mention that the repository must be bare.
Also the current branch is printed.

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-fetch.c b/builtin-fetch.c
index 7fb35fca9d1b57dacaebfd3cb9b2af4d035e750c..7293146525f525f628499744481796dad8a4a861 100644 (file)
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
@@ -544,7 +544,8 @@ static void check_not_current_branch(struct ref *ref_map)
        for (; ref_map; ref_map = ref_map->next)
                if (ref_map->peer_ref && !strcmp(current_branch->refname,
                                        ref_map->peer_ref->name))
-                       die("Refusing to fetch into current branch");
+                       die("Refusing to fetch into current branch %s "
+                           "of non-bare repository", current_branch->refname);
 }
 
 static int do_fetch(struct transport *transport,