pack-objects: reuse data from existing packs.

diff --git a/commit-tree.c b/commit-tree.c
index b60299fed0442edec21f123e92774238d4533bea..b1c8dca48d803d06c3340df32fcaa57c291ce32d 100644 (file)
--- a/commit-tree.c
+++ b/commit-tree.c
@@ -86,6 +86,8 @@ int main(int argc, char **argv)
        unsigned int size;
 
        setup_ident();
+       setup_git_directory();
+
        git_config(git_default_config);
 
        if (argc < 2 || get_sha1_hex(argv[1], tree_sha1) < 0)