1 files changed, 18 insertions, 0 deletions
diff --git a/branch.h b/branch.h
index 4026e3832b..1285158dd4 100644
--- a/branch.h
+++ b/branch.h
@@ -16,6 +16,24 @@ void create_branch(const char *head, const char *name, const char *start_name,
 		   int force, int reflog, enum branch_track track);
 
 /*
+ * Validates that the requested branch may be created, returning the
+ * interpreted ref in ref, force indicates whether (non-head) branches
+ * may be overwritten. A non-zero return value indicates that the force
+ * parameter was non-zero and the branch already exists.
+ *
+ * Contrary to all of the above, when attr_only is 1, the caller is
+ * not interested in verifying if it is Ok to update the named
+ * branch to point at a potentially different commit. It is merely
+ * asking if it is OK to change some attribute for the named branch
+ * (e.g. tracking upstream).
+ *
+ * NEEDSWORK: This needs to be split into two separate functions in the
+ * longer run for sanity.
+ *
+ */
+int validate_new_branchname(const char *name, struct strbuf *ref, int force, int attr_only);
+
+/*
  * Remove information about the state of working on the current
  * branch. (E.g., MERGE_HEAD)
  */