commit 4b5553b5f31c99f5c0a770d4bab2175fa89dd53a
author Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Thu Jan 03 21:03:08 2013 +0700
committer Junio C Hamano <gitster@pobox.com> Thu Jan 03 07:43:12 2013 -0800
tree 05346de5ab5d43f1c973691efddc53c4484e00e0
parent a5ba2cbe1443b7fe7b2977e07dbe7c08435e71b4

branch: delete branch description if it's empty

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/branch.c

diff --git a/builtin/branch.c b/builtin/branch.c
index 0e060f2..a6d3350 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -700,7 +700,7 @@
 	stripspace(&buf, 1);
 
 	strbuf_addf(&name, "branch.%s.description", branch_name);
-	status = git_config_set(name.buf, buf.buf);
+	status = git_config_set(name.buf, buf.len ? buf.buf : NULL);
 	strbuf_release(&name);
 	strbuf_release(&buf);