builtin/merge.c: fix a bug with trivial merges

diff --git a/branch.h b/branch.h
index d3446ed73c0c209f0d6b3dc2a7412a643031ea08..78ad4387cd326ca01f228b109b446e2049f29ee7 100644 (file)
--- a/branch.h
+++ b/branch.h
@@ -43,9 +43,10 @@ void remove_branch_state(void);
 /*
  * Configure local branch "local" as downstream to branch "remote"
  * from remote "origin".  Used by git branch --set-upstream.
+ * Returns 0 on success.
  */
 #define BRANCH_CONFIG_VERBOSE 01
-extern void install_branch_config(int flag, const char *local, const char *origin, const char *remote);
+extern int install_branch_config(int flag, const char *local, const char *origin, const char *remote);
 
 /*
  * Read branch description
@@ -59,12 +60,4 @@ 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