actions: Move scripts list into .c file

It's used purely inside action-scripts.c, so move
it there not to pollute the global opts.
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/action-scripts.c

@@ -24,6 +24,8 @@ static const char *action_names[ACT_MAX] = {
 	[ ACT_POST_RESUME ]	= "post-resume",
 };
 
+static LIST_HEAD(scripts);
+
 int run_scripts(enum script_actions act)
 {
 	struct script *script;
@@ -34,7 +36,7 @@ int run_scripts(enum script_actions act)
 
 	pr_debug("Running %s scripts\n", action);
 
-	if (unlikely(list_empty(&opts.scripts)))
+	if (unlikely(list_empty(&scripts)))
 		return 0;
 
 	if (setenv("CRTOOLS_SCRIPT_ACTION", action, 1)) {
@@ -56,7 +58,7 @@ int run_scripts(enum script_actions act)
 		}
 	}
 
-	list_for_each_entry(script, &opts.scripts, node) {
+	list_for_each_entry(script, &scripts, node) {
 		if (script->path == SCRIPT_RPC_NOTIFY) {
 			pr_debug("\tRPC\n");
 			ret |= send_criu_rpc_script(act, (char *)action, script->arg);
@@ -82,7 +84,7 @@ int add_script(char *path, int arg)
 
 	script->path = path;
 	script->arg = arg;
-	list_add(&script->node, &opts.scripts);
+	list_add(&script->node, &scripts);
 
 	return 0;
 }

criu/crtools.c

@@ -56,7 +56,6 @@ void init_opts(void)
 	opts.final_state = TASK_DEAD;
 	INIT_LIST_HEAD(&opts.ext_unixsk_ids);
 	INIT_LIST_HEAD(&opts.veth_pairs);
-	INIT_LIST_HEAD(&opts.scripts);
 	INIT_LIST_HEAD(&opts.ext_mounts);
 	INIT_LIST_HEAD(&opts.inherit_fds);
 	INIT_LIST_HEAD(&opts.external);

criu/include/cr_options.h

@@ -78,7 +78,6 @@ struct cr_options {
 	char			*pidfile;
 	char			*freeze_cgroup;
 	struct list_head	veth_pairs;
-	struct list_head	scripts;
 	struct list_head	ext_mounts;
 	struct list_head	inherit_fds;
 	struct list_head	external;