[PATCH 5/8] submodule--helper update: use one param per type

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From: Glen Choo <chooglen@xxxxxxxxxx>

git-submodule.sh accepts literal 'update types' as options, but parses
them into a "--update" option for "git submodule--helper update", e.g.
"--checkout" becomes "--update=checkout".

Teach the 'update type' options to "git submodule--helper update" so
that we no longer have to do this parsing in git-submodule.sh, and
append them to `opts`.

Signed-off-by: Glen Choo <chooglen@xxxxxxxxxx>
---
 builtin/submodule--helper.c | 37 ++++++++++++++++++++++++-------------
 git-submodule.sh            |  8 +++-----
 2 files changed, 27 insertions(+), 18 deletions(-)

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index a40f9f143e8..09510ebc026 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -1818,7 +1818,7 @@ static int module_clone(int argc, const char **argv, const char *prefix)
 static void determine_submodule_update_strategy(struct repository *r,
 						int just_cloned,
 						const char *path,
-						const char *update,
+						enum submodule_update_type update,
 						struct submodule_update_strategy *out)
 {
 	const struct submodule *sub = submodule_from_path(r, null_oid(), path);
@@ -1828,9 +1828,7 @@ static void determine_submodule_update_strategy(struct repository *r,
 	key = xstrfmt("submodule.%s.update", sub->name);
 
 	if (update) {
-		if (parse_submodule_update_strategy(update, out) < 0)
-			die(_("Invalid update mode '%s' for submodule path '%s'"),
-				update, path);
+		out->type = update;
 	} else if (!repo_config_get_string_tmp(r, key, &val)) {
 		if (parse_submodule_update_strategy(val, out) < 0)
 			die(_("Invalid update mode '%s' configured for submodule path '%s'"),
@@ -1882,7 +1880,6 @@ struct update_data {
 	const char *prefix;
 	const char *recursive_prefix;
 	const char *displaypath;
-	const char *update_default;
 	struct object_id suboid;
 	struct string_list references;
 	struct submodule_update_strategy update_strategy;
@@ -1892,6 +1889,7 @@ struct update_data {
 	int max_jobs;
 	int single_branch;
 	int recommend_shallow;
+	enum submodule_update_type update_default;
 	unsigned int require_init;
 	unsigned int force;
 	unsigned int quiet;
@@ -2429,8 +2427,20 @@ static void update_data_to_args(struct update_data *update_data, struct strvec *
 		strvec_push(args, "--require-init");
 	if (update_data->depth)
 		strvec_pushf(args, "--depth=%d", update_data->depth);
-	if (update_data->update_default)
-		strvec_pushl(args, "--update", update_data->update_default, NULL);
+	switch (update_data->update_default) {
+	case SM_UPDATE_MERGE:
+		strvec_push(args, "--merge");
+		break;
+	case SM_UPDATE_CHECKOUT:
+		strvec_push(args, "--checkout");
+		break;
+	case SM_UPDATE_REBASE:
+		strvec_push(args, "--rebase");
+		break;
+	default:
+		break;
+	}
+
 	if (update_data->references.nr) {
 		struct string_list_item *item;
 		for_each_string_list_item(item, &update_data->references)
@@ -2600,9 +2610,12 @@ static int module_update(int argc, const char **argv, const char *prefix)
 			   N_("path"),
 			   N_("path into the working tree, across nested "
 			      "submodule boundaries")),
-		OPT_STRING(0, "update", &opt.update_default,
-			   N_("string"),
-			   N_("rebase, merge, checkout or none")),
+		OPT_SET_INT(0, "checkout", &opt.update_default,
+			    N_("update using checkout"), SM_UPDATE_CHECKOUT),
+		OPT_SET_INT('r', "rebase", &opt.update_default,
+			    N_("update using rebase"), SM_UPDATE_REBASE),
+		OPT_SET_INT('m', "merge", &opt.update_default,
+			    N_("update using merge"), SM_UPDATE_MERGE),
 		OPT_STRING_LIST(0, "reference", &opt.references, N_("repo"),
 			   N_("reference repository")),
 		OPT_BOOL(0, "dissociate", &opt.dissociate,
@@ -2654,9 +2667,7 @@ static int module_update(int argc, const char **argv, const char *prefix)
 	opt.filter_options = &filter_options;
 
 	if (opt.update_default)
-		if (parse_submodule_update_strategy(opt.update_default,
-						    &opt.update_strategy) < 0)
-			die(_("bad value for update parameter"));
+		opt.update_strategy.type = opt.update_default;
 
 	if (module_list_compute(argc, argv, prefix, &pathspec, &opt.list) < 0) {
 		list_objects_filter_release(&filter_options);
diff --git a/git-submodule.sh b/git-submodule.sh
index f61d12ccd21..d93b6dfbbd7 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -35,7 +35,6 @@ force=
 cached=
 recursive=
 files=
-update=
 prefix=
 custom_name=
 depth=
@@ -267,7 +266,7 @@ cmd_update()
 			opts="$opts $1"
 			;;
 		-r|--rebase)
-			update="rebase"
+			opts="$opts $1"
 			;;
 		--reference)
 			case "$2" in '') usage ;; esac
@@ -281,13 +280,13 @@ cmd_update()
 			opts="$opts $1"
 			;;
 		-m|--merge)
-			update="merge"
+			opts="$opts $1"
 			;;
 		--recursive)
 			opts="$opts $1"
 			;;
 		--checkout)
-			update="checkout"
+			opts="$opts $1"
 			;;
 		--recommend-shallow)
 			opts="$opts $1"
@@ -343,7 +342,6 @@ cmd_update()
 		${GIT_QUIET:+--quiet} \
 		${wt_prefix:+--prefix "$wt_prefix"} \
 		${prefix:+--recursive-prefix "$prefix"} \
-		${update:+--update "$update"} \
 		$opts \
 		-- \
 		"$@"
-- 
gitgitgadget




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