Don't save the commit buffer in git-describe.

The commit buffer (message of the commit) is not actually
used by the git-describe process.  We can save some memory
by not keeping it around.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/describe.c b/describe.c
index f4029ee74e..3c2df037eb 100644
--- a/describe.c
+++ b/describe.c
@@ -162,6 +162,7 @@ int main(int argc, char **argv)
 	}
 
 	setup_git_directory();
+	save_commit_buffer = 0;
 
 	if (argc <= i)
 		describe("HEAD", 1);