[PATCH] Fix a crash in ls-remote when refspec expands into nothing

Originally-by: Väinö Järvelä [off-list ref]
Signed-off-by: Alex Riesen <redacted>
---
 remote.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

Shawn O. Pearce, Fri, Oct 12, 2007 06:07:45 +0200:

I think the above patch is the only thing to do here.  Perhaps Alex
can write up a formal patch and send it to back to the list and CC
Lars Hjemli [off-list ref] so he can put it into the patch queue.

here you go

diff --git a/remote.c b/remote.c
index e7d735b..a25f66d 100644
--- a/remote.c
+++ b/remote.c

@@ -882,7 +882,8 @@ int get_fetch_map(struct ref *remote_refs,
 			    rm->peer_ref->name);
 	}
 
-	tail_link_ref(ref_map, tail);
+	if (ref_map)
+		tail_link_ref(ref_map, tail);
 
 	return 0;
 }

-- 
1.5.3.4.232.ga843