+/*
+ * Try using the given conflict resolution "ID" to see
+ * if that recorded conflict resolves cleanly what we
+ * got in the "cur".
+ */
+static int try_merge(const struct rerere_id *id, const char *path,
+ mmfile_t *cur, mmbuffer_t *result)
+{
+ int ret;
+ mmfile_t base = {NULL, 0}, other = {NULL, 0};
+
+ if (read_mmfile(&base, rerere_path(id, "preimage")) ||
+ read_mmfile(&other, rerere_path(id, "postimage")))
+ ret = 1;
+ else
+ /*
+ * A three-way merge. Note that this honors user-customizable
+ * low-level merge driver settings.
+ */
+ ret = ll_merge(result, path, &base, NULL, cur, "", &other, "", NULL);
+
+ free(base.ptr);
+ free(other.ptr);
+
+ return ret;
+}
+