builtin/submodule--helper: factor out submodule updating

diff --git a/builtin/write-tree.c b/builtin/write-tree.c
index 299a121531c6d54d519d4daa9f52dada1ab84d4c..c9d3c544e79f46bab9e5fd50079d1bb574b722f2 100644 (file)
--- a/builtin/write-tree.c
+++ b/builtin/write-tree.c
@@ -38,7 +38,7 @@ int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
        argc = parse_options(argc, argv, unused_prefix, write_tree_options,
                             write_tree_usage, 0);
 
-       ret = write_cache_as_tree(oid.hash, flags, prefix);
+       ret = write_cache_as_tree(&oid, flags, prefix);
        switch (ret) {
        case 0:
                printf("%s\n", oid_to_hex(&oid));