Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 builtin/branch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/builtin/branch.c b/builtin/branch.c
index 1ec9c02..873f624 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -725,7 +725,7 @@ static int edit_branch_description(const char *branch_name)
        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);
 
-- 
1.8.0.rc2.23.g1fb49df

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