From: David Turner <dtur...@twopensource.com>
Signed-off-by: David Turner <dtur...@twopensource.com>
Signed-off-by: Junio C Hamano <gits...@pobox.com>
Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
refs/refs-internal.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index efe5847..d8a2606 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -240,6 +240,11 @@ const char *find_descendant_ref(const char *dirname,
const struct string_list *extras,
const struct string_list *skip);
+/*
+ * Check if the new name does not conflict with any existing refs
+ * (other than possibly the old ref). Return 0 if the ref can be
+ * renamed to the new name.
+ */
int rename_ref_available(const char *oldname, const char *newname);
/* We allow "recursive" symbolic refs. Only within reason, though */
--
2.8.1
--
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