notes: handle multiple worktrees

diff --git a/branch.h b/branch.h
index 58aa45fe72ca356a8bd3648782b36e63e207ee36..d3446ed73c0c209f0d6b3dc2a7412a643031ea08 100644 (file)
--- a/branch.h
+++ b/branch.h
@@ -59,4 +59,12 @@ extern int read_branch_desc(struct strbuf *, const char *branch_name);
  */
 extern void die_if_checked_out(const char *branch);
 
+/*
+ * Check if a per-worktree symref points to a ref in the main worktree
+ * or any linked worktree, and return the path to the exising worktree
+ * if it is.  Returns NULL if there is no existing ref.  The caller is
+ * responsible for freeing the returned path.
+ */
+extern char *find_shared_symref(const char *symref, const char *target);
+
 #endif