int branch_has_merge_config(struct branch *branch);
int branch_merge_matches(struct branch *, int n, const char *);
+/**
+ * Return the fully-qualified refname of the tracking branch for `branch`.
+ * I.e., what "branch@{upstream}" would give you. Returns NULL if no
+ * upstream is defined.
+ */
+const char *branch_get_upstream(struct branch *branch);
+
/* Flags to match_refs. */
enum match_refs_flags {
MATCH_REFS_NONE = 0,