rename_ref 728 builtin/branch.c if (rename_ref(oldref.buf, newref.buf, logmsg.buf)) rename_ref 721 builtin/remote.c if (rename_ref(item->string, buf.buf, buf2.buf)) rename_ref 292 refs.h extern int rename_ref(const char *oldref, const char *newref, const char *logmsg);