Tighten refspec processing

diff --git a/builtin-merge-recursive.c b/builtin-merge-recursive.c
index 5a0a7b529765fa229318af86a68e58a92e287154..910c0d20e7ba1128c705a49bfd9966212c5420b2 100644 (file)
--- a/builtin-merge-recursive.c
+++ b/builtin-merge-recursive.c
@@ -213,6 +213,8 @@ static int git_merge_trees(int index_only,
        opts.merge = 1;
        opts.head_idx = 2;
        opts.fn = threeway_merge;
+       opts.src_index = &the_index;
+       opts.dst_index = &the_index;
 
        init_tree_desc_from_tree(t+0, common);
        init_tree_desc_from_tree(t+1, head);
@@ -666,9 +668,20 @@ static struct merge_file_info merge_file(struct diff_filespec *o,
                if (!sha_eq(a->sha1, o->sha1) && !sha_eq(b->sha1, o->sha1))
                        result.merge = 1;
 
-               result.mode = a->mode == o->mode ? b->mode: a->mode;
+               /*
+                * Merge modes
+                */
+               if (a->mode == b->mode || a->mode == o->mode)
+                       result.mode = b->mode;
+               else {
+                       result.mode = a->mode;
+                       if (b->mode != o->mode) {
+                               result.clean = 0;
+                               result.merge = 1;
+                       }
+               }
 
-               if (sha_eq(a->sha1, o->sha1))
+               if (sha_eq(a->sha1, b->sha1) || sha_eq(a->sha1, o->sha1))
                        hashcpy(result.sha, b->sha1);
                else if (sha_eq(b->sha1, o->sha1))
                        hashcpy(result.sha, a->sha1);