From 33c3370700083b9138b167778814d5af06ccf0b4 Mon Sep 17 00:00:00 2001
From: nulltoken <emeric.fermas@gmail.com>
Date: Wed, 4 Jul 2012 12:20:43 +0200
Subject: [PATCH] refs: deploy git_reference_has_log()

---
 include/git2/reflog.h |  2 ++
 src/refs.c            | 12 +++---------
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/include/git2/reflog.h b/include/git2/reflog.h
index f490e29de..8acba349b 100644
--- a/include/git2/reflog.h
+++ b/include/git2/reflog.h
@@ -53,6 +53,8 @@ GIT_EXTERN(int) git_reflog_write(git_reference *ref, const git_oid *oid_old, con
 /**
  * Rename the reflog for the given reference
  *
+ * The reflog to be renamed is expected to already exist
+ *
  * @param ref the reference
  * @param new_name the new name of the reference
  * @return 0 or an error code
diff --git a/src/refs.c b/src/refs.c
index 2aba83ef5..fbbb86689 100644
--- a/src/refs.c
+++ b/src/refs.c
@@ -1404,18 +1404,12 @@ int git_reference_rename(git_reference *ref, const char *new_name, int force)
 	}
 
 	/*
-	 * Rename the reflog file.
+	 * Rename the reflog file, if it exists.
 	 */
-	git_buf_clear(&aux_path);
-	if (git_buf_join_n(&aux_path, '/', 3, ref->owner->path_repository, GIT_REFLOG_DIR, ref->name) < 0)
+	if ((git_reference_has_log(ref)) && (git_reflog_rename(ref, new_name) < 0))
 		goto cleanup;
 
-	if (git_path_exists(aux_path.ptr) == true) {
-		if (git_reflog_rename(ref, new_name) < 0)
-			goto cleanup;
-	} else {
-		giterr_clear();
-	}
+	giterr_clear();
 
 	/*
 	 * Change the name of the reference given by the user.