cache-tree: mark istate->cache_changed on cache tree invalidation

diff --git a/cache-tree.c b/cache-tree.c
index 52f8692efa2367c369d48ae1b61516be26981813..23ddc73720490fd400cc4dd7ff2456ae1305b456 100644 (file)
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -98,7 +98,7 @@ struct cache_tree_sub *cache_tree_sub(struct cache_tree *it, const char *path)
        return find_subtree(it, path, pathlen, 1);
 }
 
-void cache_tree_invalidate_path(struct cache_tree *it, const char *path)
+static int do_invalidate_path(struct cache_tree *it, const char *path)
 {
        /* a/b/c
         * ==> invalidate self
@@ -116,7 +116,7 @@ void cache_tree_invalidate_path(struct cache_tree *it, const char *path)
 #endif
 
        if (!it)
-               return;
+               return 0;
        slash = strchrnul(path, '/');
        namelen = slash - path;
        it->entry_count = -1;
@@ -137,11 +137,18 @@ void cache_tree_invalidate_path(struct cache_tree *it, const char *path)
                                (it->subtree_nr - pos - 1));
                        it->subtree_nr--;
                }
-               return;
+               return 1;
        }
        down = find_subtree(it, path, namelen, 0);
        if (down)
-               cache_tree_invalidate_path(down->cache_tree, slash + 1);
+               do_invalidate_path(down->cache_tree, slash + 1);
+       return 1;
+}
+
+void cache_tree_invalidate_path(struct index_state *istate, const char *path)
+{
+       if (do_invalidate_path(istate->cache_tree, path))
+               istate->cache_changed |= CACHE_TREE_CHANGED;
 }
 
 static int verify_cache(const struct cache_entry * const *cache,