t4006-diff-mode.sh: use the $( ... ) construct for command substitution

diff --git a/fetch-pack.c b/fetch-pack.c
index f061f1fe85ea20549f860c4bf37980941f480833..90d47da8a902f24bb6a7ae63654a104626751b1e 100644 (file)
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -948,17 +948,6 @@ static void update_shallow(struct fetch_pack_args *args,
        if (!si->shallow || !si->shallow->nr)
                return;
 
-       if (alternate_shallow_file) {
-               /*
-                * The temporary shallow file is only useful for
-                * index-pack and unpack-objects because it may
-                * contain more roots than we want. Delete it.
-                */
-               if (*alternate_shallow_file)
-                       unlink(alternate_shallow_file);
-               free((char *)alternate_shallow_file);
-       }
-
        if (args->cloning) {
                /*
                 * remote is shallow, but this is a clone, there are