builtin/apply: introduce 'struct apply_state' to start libifying

diff --git a/builtin/clone.c b/builtin/clone.c
index 6576ecf34309db4135c7a41ad6d0ef70e4a21f24..5f867e67d8066fe70fdd67c3d8e2853ea6c3eaa1 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -40,6 +40,7 @@ static const char * const builtin_clone_usage[] = {
 
 static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
 static int option_local = -1, option_no_hardlinks, option_shared, option_recursive;
+static int option_shallow_submodules = -1;
 static char *option_template, *option_depth;
 static char *option_origin = NULL;
 static char *option_branch = NULL;
@@ -92,6 +93,8 @@ static struct option builtin_clone_options[] = {
                    N_("create a shallow clone of that depth")),
        OPT_BOOL(0, "single-branch", &option_single_branch,
                    N_("clone only one branch, HEAD or --branch")),
+       OPT_BOOL(0, "shallow-submodules", &option_shallow_submodules,
+                   N_("any cloned submodules will be shallow")),
        OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
                   N_("separate git dir from working tree")),
        OPT_STRING_LIST('c', "config", &option_config, N_("key=value"),
@@ -735,6 +738,10 @@ static int checkout(void)
                struct argv_array args = ARGV_ARRAY_INIT;
                argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL);
 
+               if (option_shallow_submodules == 1
+                   || (option_shallow_submodules == -1 && option_depth))
+                       argv_array_push(&args, "--depth=1");
+
                if (max_jobs != -1)
                        argv_array_pushf(&args, "--jobs=%d", max_jobs);