worktree: allow "-" short-hand for @{-1} in add command

diff --git a/cache-tree.c b/cache-tree.c
index 20ee7b52df0c33d4473a198270705dffead01cdc..ddf0cc9f9aa51f577b0d1a764ebc3e0a318fe1ba 100644 (file)
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -79,11 +79,9 @@ static struct cache_tree_sub *find_subtree(struct cache_tree *it,
        ALLOC_GROW(it->down, it->subtree_nr + 1, it->subtree_alloc);
        it->subtree_nr++;
 
-       down = xmalloc(sizeof(*down) + pathlen + 1);
+       FLEX_ALLOC_MEM(down, name, path, pathlen);
        down->cache_tree = NULL;
        down->namelen = pathlen;
-       memcpy(down->name, path, pathlen);
-       down->name[pathlen] = 0;
 
        if (pos < it->subtree_nr)
                memmove(it->down + pos + 1,
@@ -665,7 +663,7 @@ static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
                        cnt++;
                else {
                        struct cache_tree_sub *sub;
-                       struct tree *subtree = lookup_tree(entry.sha1);
+                       struct tree *subtree = lookup_tree(entry.oid->hash);
                        if (!subtree->object.parsed)
                                parse_tree(subtree);
                        sub = cache_tree_sub(it, entry.path);
@@ -712,7 +710,7 @@ int cache_tree_matches_traversal(struct cache_tree *root,
 
        it = find_cache_tree_from_traversal(root, info);
        it = cache_tree_find(it, ent->path);
-       if (it && it->entry_count > 0 && !hashcmp(ent->sha1, it->sha1))
+       if (it && it->entry_count > 0 && !hashcmp(ent->oid->hash, it->sha1))
                return it->entry_count;
        return 0;
 }