builtin/submodule--helper.c: rename option struct to "opt"

In a later commit, update_clone()'s options will be stored in a struct
update_data instead of submodule_update_clone. Preemptively rename the
options struct to "opt" to shrink that commit's diff.

Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: avar

builtin/submodule--helper.c

@@ -2498,40 +2498,40 @@ static int update_clone(int argc, const char **argv, const char *prefix)
 {
 	const char *update = NULL;
 	struct pathspec pathspec;
-	struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;
+	struct submodule_update_clone opt = SUBMODULE_UPDATE_CLONE_INIT;
 	struct list_objects_filter_options filter_options;
 	int ret;
 
 	struct option module_update_clone_options[] = {
-		OPT_BOOL(0, "init", &suc.init,
+		OPT_BOOL(0, "init", &opt.init,
 			 N_("initialize uninitialized submodules before update")),
 		OPT_STRING(0, "prefix", &prefix,
 			   N_("path"),
 			   N_("path into the working tree")),
-		OPT_STRING(0, "recursive-prefix", &suc.recursive_prefix,
+		OPT_STRING(0, "recursive-prefix", &opt.recursive_prefix,
 			   N_("path"),
 			   N_("path into the working tree, across nested "
 			      "submodule boundaries")),
 		OPT_STRING(0, "update", &update,
 			   N_("string"),
 			   N_("rebase, merge, checkout or none")),
-		OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
+		OPT_STRING_LIST(0, "reference", &opt.references, N_("repo"),
 			   N_("reference repository")),
-		OPT_BOOL(0, "dissociate", &suc.dissociate,
+		OPT_BOOL(0, "dissociate", &opt.dissociate,
 			   N_("use --reference only while cloning")),
-		OPT_STRING(0, "depth", &suc.depth, "<depth>",
+		OPT_STRING(0, "depth", &opt.depth, "<depth>",
 			   N_("create a shallow clone truncated to the "
 			      "specified number of revisions")),
-		OPT_INTEGER('j', "jobs", &suc.max_jobs,
+		OPT_INTEGER('j', "jobs", &opt.max_jobs,
 			    N_("parallel jobs")),
-		OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow,
+		OPT_BOOL(0, "recommend-shallow", &opt.recommend_shallow,
 			    N_("whether the initial clone should follow the shallow recommendation")),
-		OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
-		OPT_BOOL(0, "progress", &suc.progress,
+		OPT__QUIET(&opt.quiet, N_("don't print cloning progress")),
+		OPT_BOOL(0, "progress", &opt.progress,
 			    N_("force cloning progress")),
-		OPT_BOOL(0, "require-init", &suc.require_init,
+		OPT_BOOL(0, "require-init", &opt.require_init,
 			   N_("disallow cloning into non-empty directory")),
-		OPT_BOOL(0, "single-branch", &suc.single_branch,
+		OPT_BOOL(0, "single-branch", &opt.single_branch,
 			 N_("clone only one branch, HEAD or --branch")),
 		OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
 		OPT_END()
@@ -2546,16 +2546,16 @@ static int update_clone(int argc, const char **argv, const char *prefix)
 		" [--recursive] [--[no-]single-branch] [--] [<path>...]"),
 		NULL
 	};
-	suc.prefix = prefix;
+	opt.prefix = prefix;
 
-	update_clone_config_from_gitmodules(&suc.max_jobs);
-	git_config(git_update_clone_config, &suc.max_jobs);
+	update_clone_config_from_gitmodules(&opt.max_jobs);
+	git_config(git_update_clone_config, &opt.max_jobs);
 
 	memset(&filter_options, 0, sizeof(filter_options));
 	argc = parse_options(argc, argv, prefix, module_update_clone_options,
 			     git_submodule_helper_usage, 0);
 
-	if (filter_options.choice && !suc.init) {
+	if (filter_options.choice && !opt.init) {
 		/*
 		 * NEEDSWORK: Don't use usage_with_options() because the
 		 * usage string is for "git submodule update", but the
@@ -2567,25 +2567,25 @@ static int update_clone(int argc, const char **argv, const char *prefix)
 		usage(git_submodule_helper_usage[0]);
 	}
 
-	suc.filter_options = &filter_options;
+	opt.filter_options = &filter_options;
 
 	if (update)
-		if (parse_submodule_update_strategy(update, &suc.update) < 0)
+		if (parse_submodule_update_strategy(update, &opt.update) < 0)
 			die(_("bad value for update parameter"));
 
-	if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0) {
+	if (module_list_compute(argc, argv, prefix, &pathspec, &opt.list) < 0) {
 		list_objects_filter_release(&filter_options);
 		return 1;
 	}
 
 	if (pathspec.nr)
-		suc.warn_if_uninitialized = 1;
+		opt.warn_if_uninitialized = 1;
 
-	if (suc.init) {
+	if (opt.init) {
 		struct module_list list = MODULE_LIST_INIT;
 		struct init_cb info = INIT_CB_INIT;
 
-		if (module_list_compute(argc, argv, suc.prefix,
+		if (module_list_compute(argc, argv, opt.prefix,
 					&pathspec, &list) < 0)
 			return 1;
 
@@ -2596,15 +2596,15 @@ static int update_clone(int argc, const char **argv, const char *prefix)
 		if (!argc && git_config_get_value_multi("submodule.active"))
 			module_list_active(&list);
 
-		info.prefix = suc.prefix;
-		info.superprefix = suc.recursive_prefix;
-		if (suc.quiet)
+		info.prefix = opt.prefix;
+		info.superprefix = opt.recursive_prefix;
+		if (opt.quiet)
 			info.flags |= OPT_QUIET;
 
 		for_each_listed_submodule(&list, init_submodule_cb, &info);
 	}
 
-	ret = update_submodules(&suc);
+	ret = update_submodules(&opt);
 	list_objects_filter_release(&filter_options);
 	return ret;
 }