config: add test cases for empty value and no value config variables.

diff --git a/unpack-trees.c b/unpack-trees.c
index aea16adde846b404900555f5f0dd6d87daea8bbf..aa2513ed798969c02fc5e14097666eb4c4c02bae 100644 (file)
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -71,12 +71,8 @@ static int unpack_trees_rec(struct tree_entry_list **posns, int len,
        int remove;
        int baselen = strlen(base);
        int src_size = len + 1;
-       int i_stk = i_stk;
        int retval = 0;
 
-       if (o->dir)
-               i_stk = push_exclude_per_directory(o->dir, base, strlen(base));
-
        do {
                int i;
                const char *first;
@@ -255,8 +251,6 @@ static int unpack_trees_rec(struct tree_entry_list **posns, int len,
        } while (1);
 
  leave_directory:
-       if (o->dir)
-               pop_exclude_per_directory(o->dir, i_stk);
        return retval;
 }
 
@@ -596,7 +590,7 @@ static int merged_entry(struct cache_entry *merge, struct cache_entry *old,
                 * a match.
                 */
                if (same(old, merge)) {
-                       *merge = *old;
+                       memcpy(merge, old, offsetof(struct cache_entry, name));
                } else {
                        verify_uptodate(old, o);
                        invalidate_ce_path(old);