Ensure tail pointer gets setup correctly when we fetch HEAD only

If we ever decided to append onto the end of this list the tail
pointer must be looking at the right memory cell at the end of
the HEAD ref_map.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/builtin-fetch.c b/builtin-fetch.c
index 1348a0e952..5bce20f94f 100644
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
@@ -157,6 +157,7 @@ static struct ref *get_ref_map(struct transport *transport,
 			if (!ref_map)
 				die("Couldn't find remote ref HEAD");
 			ref_map->merge = 1;
+			tail = &ref_map->next;
 		}
 	}
 	ref_remove_duplicates(ref_map);