From 1c68fe96bcb66ce340cb1cc40acaddaba2f7fc11 Mon Sep 17 00:00:00 2001
From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Date: Tue, 19 Sep 2006 19:03:20 +0200
Subject: [PATCH] unlink target of rename before renaming

---
 refs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/refs.c b/refs.c
index 7d858637c4..1c0bf70f2c 100644
--- a/refs.c
+++ b/refs.c
@@ -339,6 +339,7 @@ int create_symref(const char *ref_target, const char *refs_heads_master)
 		error("Unable to write to %s", lockpath);
 		return -2;
 	}
+	unlink(git_HEAD);
 	if (rename(lockpath, git_HEAD) < 0) {
 		unlink(lockpath);
 		error("Unable to create %s", git_HEAD);