Add branch --set-upstream

diff --git a/xdiff/xprepare.c b/xdiff/xprepare.c
index a43aa72cd088af07b13a6bc8de304ecc178047e5..16890852350cb62bb9f9aec5e52eea8ba46f1192 100644 (file)
--- a/xdiff/xprepare.c
+++ b/xdiff/xprepare.c
@@ -290,7 +290,8 @@ int xdl_prepare_env(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
 
        xdl_free_classifier(&cf);
 
-       if (xdl_optimize_ctxs(&xe->xdf1, &xe->xdf2) < 0) {
+       if (!(xpp->flags & XDF_PATIENCE_DIFF) &&
+                       xdl_optimize_ctxs(&xe->xdf1, &xe->xdf2) < 0) {
 
                xdl_free_ctx(&xe->xdf2);
                xdl_free_ctx(&xe->xdf1);