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

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Originally-by: Väinö Järvelä <v@xxxxxxxxxx>
Signed-off-by: Alex Riesen <raa.lkml@xxxxxxxxx>
---
 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 <hjemli@xxxxxxxxx> 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

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