unpack-trees: fix sparse checkout's "unable to match directories"

diff --git a/dir.c b/dir.c
index b2dfb69eb5606a7538cc5e1876a91f703ec4969c..39eb7a3a4f9d26f2a5944f233cbe1d358a9b6440 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -223,6 +223,18 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size)
        return data;
 }
 
+void free_excludes(struct exclude_list *el)
+{
+       int i;
+
+       for (i = 0; i < el->nr; i++)
+               free(el->excludes[i]);
+       free(el->excludes);
+
+       el->nr = 0;
+       el->excludes = NULL;
+}
+
 int add_excludes_from_file_to_list(const char *fname,
                                   const char *base,
                                   int baselen,