Makefile: help people who run 'make check' by mistake

diff --git a/unpack-trees.c b/unpack-trees.c
index cba0aca062f201c5cd5f8799f2190d4a6f06e7c7..e5749ef638b4a9a490894d9d4fc5876d904ab9ac 100644 (file)
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -376,12 +376,13 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
        state.refresh_cache = 1;
 
        memset(&o->result, 0, sizeof(o->result));
+       o->result.initialized = 1;
        if (o->src_index)
                o->result.timestamp = o->src_index->timestamp;
        o->merge_size = len;
 
        if (!dfc)
-               dfc = xcalloc(1, sizeof(struct cache_entry) + 1);
+               dfc = xcalloc(1, cache_entry_size(0));
        o->df_conflict_entry = dfc;
 
        if (len) {
@@ -940,8 +941,17 @@ int twoway_merge(struct cache_entry **src, struct unpack_trees_options *o)
                        return -1;
                }
        }
-       else if (newtree)
+       else if (newtree) {
+               if (oldtree && !o->initial_checkout) {
+                       /*
+                        * deletion of the path was staged;
+                        */
+                       if (same(oldtree, newtree))
+                               return 1;
+                       return reject_merge(oldtree, o);
+               }
                return merged_entry(newtree, current, o);
+       }
        return deleted_entry(oldtree, current, o);
 }