commit-tree: add missing --gpg-sign flag

diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index c05c12d0340d736022d7dd7856ad0797c87abb05..ac255ad2c243192a9afd3b4578a2a501eb250aff 100644 (file)
--- a/builtin/read-tree.c
+++ b/builtin/read-tree.c
@@ -44,6 +44,7 @@ static const char * const read_tree_usage[] = {
 static int index_output_cb(const struct option *opt, const char *arg,
                                 int unset)
 {
+       BUG_ON_OPT_NEG(unset);
        set_alternate_index_output(arg);
        return 0;
 }
@@ -54,6 +55,8 @@ static int exclude_per_directory_cb(const struct option *opt, const char *arg,
        struct dir_struct *dir;
        struct unpack_trees_options *opts;
 
+       BUG_ON_OPT_NEG(unset);
+
        opts = (struct unpack_trees_options *)opt->value;
 
        if (opts->dir)