Merge branch 'develop'

data/cdata/ui_scripts/settings/settings.lua

@@ -61,6 +61,31 @@ LUI.MenuBuilder.m_types_build["settings_menu"] = function(a1)
         })
     end
 
+    if (Engine.InFrontend()) then
+        local dev = "@LUA_MENU_SWITCH_TO_DEVELOP"
+        local main = "@LUA_MENU_SWITCH_TO_MAIN"
+
+        local text = nil
+        local branch = updater.getcurrentbranch()
+
+        local oppositebranch = nil
+
+        if (branch == updater.develop) then
+            text = main
+            oppositebranch = updater.main
+        else
+            text = dev
+            oppositebranch = updater.develop
+        end
+
+        menu:AddButton(text, function()
+            updater.setbranch(oppositebranch)
+            LUI.tryupdating(false)
+        end, nil, true, nil, {
+            desc_text = Engine.Localize("@LUA_MENU_SWITCH_BRANCH_DESC")
+        })
+    end
+
     createdivider(menu, "@LUA_MENU_DRAWING")
 
     LUI.Options.CreateOptionButton(

data/zonetool/localizedstrings/english.json

@@ -65,6 +65,9 @@
     "LUA_MENU_MODE3": "Debug shader",
     "LUA_MENU_INTRO": "Intro movie",
     "LUA_MENU_INTRO_DESC": "Show or skip intro movie with companies' logos on startup.",
+    "LUA_MENU_SWITCH_TO_DEVELOP": "Switch to the ^3Develop^7 branch",
+    "LUA_MENU_SWITCH_TO_MAIN": "Switch to the ^3Main^7 branch",
+    "LUA_MENU_SWITCH_BRANCH_DESC": "Switch the h2-mod branch (develop: latest changes, main: latest stable release).",
 
     "MENU_MUSIC_VOLUME": "Music Volume",
     "MENU_MUSIC_VOLUME_DESC": "Move the slider to adjust the volume of the music.",

src/client/component/config.cpp

@@ -4,6 +4,7 @@
 #include "config.hpp"
 #include "console.hpp"
 #include "language.hpp"
+#include "updater.hpp"
 
 #include <utils/hook.hpp>
 #include <utils/io.hpp>
@@ -35,6 +36,7 @@ namespace config
 			{define_field("disable_custom_fonts", field_type::boolean, false)},
 			{define_field("language", field_type::string, language::get_default_language(), language::is_valid_language)},
 			{define_field("motd_last_seen", field_type::number_unsigned, 0)},
+			{define_field("branch", field_type::string, updater::get_git_branch(), updater::is_valid_git_branch)},
 		};
 
 		std::string get_config_file_path()

src/client/component/ui_scripting.cpp

@@ -446,6 +446,20 @@ namespace ui_scripting
 			updater_table["getlasterror"] = updater::get_last_error;
 			updater_table["getcurrentfile"] = updater::get_current_file;
 
+			updater_table["getcurrentbranch"] = []()
+			{
+				const auto branch = updater::get_current_branch();
+				return static_cast<int>(branch);
+			};
+
+			updater_table["setbranch"] = [](const std::uint32_t branch)
+			{
+				updater::set_branch(static_cast<updater::git_branch>(branch));
+			};
+
+			updater_table["develop"] = static_cast<int>(updater::branch_develop);
+			updater_table["main"] = static_cast<int>(updater::branch_main);
+
 			auto mods_table = table();
 			lua["mods"] = mods_table;
 

src/client/component/updater.cpp

@@ -7,6 +7,7 @@
 #include "console.hpp"
 #include "command.hpp"
 #include "database.hpp"
+#include "config.hpp"
 
 #include "version.h"
 
@@ -72,11 +73,33 @@ namespace updater
 
 		utils::concurrency::container<update_data_t> update_data;
 
+		std::unordered_map<std::string, git_branch> git_branches =
+		{
+			{"develop", branch_develop},
+			{"main", branch_main},
+		};
+
+		std::string get_branch_name(const git_branch branch)
+		{
+			for (const auto& [name, b] : git_branches)
+			{
+				if (branch == b)
+				{
+					return name;
+				}
+			}
+
+			throw std::runtime_error("invalid branch");
+		}
+
 		std::string select(const std::string& main, const std::string& develop)
 		{
-			if (GIT_BRANCH == "develop"s)
+			switch (updater::get_current_branch())
 			{
+			case branch_develop:
 				return develop;
+			case branch_main:
+				return main;
 			}
 
 			return main;
@@ -579,6 +602,45 @@ namespace updater
 		return !utils::io::directory_exists(folder) || utils::io::directory_is_empty(folder);
 	}
 
+	bool is_valid_git_branch(const std::string& branch)
+	{
+		return git_branches.contains(branch);
+	}
+
+	std::string get_git_branch()
+	{
+		return GIT_BRANCH;
+	}
+
+	git_branch get_current_branch()
+	{
+		const auto get_branch_name = []()
+			-> std::string
+		{
+			const auto branch_opt = config::get<std::string>("branch");
+			if (!branch_opt.has_value())
+			{
+				return GIT_BRANCH;
+			}
+
+			return branch_opt.value();
+		};
+
+		const auto branch_name = get_branch_name();
+		return git_branches.at(branch_name);
+	}
+
+	void set_branch(const git_branch branch)
+	{
+		if (branch >= branch_count)
+		{
+			return;
+		}
+
+		const auto name = get_branch_name(branch);
+		config::set("branch", name);
+	}
+
 	class component final : public component_interface
 	{
 	public:

src/client/component/updater.hpp

@@ -4,6 +4,13 @@
 
 namespace updater
 {
+	enum git_branch
+	{
+		branch_develop,
+		branch_main,
+		branch_count
+	};
+
 	std::optional<std::string> get_server_file(const std::string& endpoint);
 
 	void relaunch();
@@ -29,4 +36,9 @@ namespace updater
 	void cancel_update();
 
 	bool should_force_update();
+
+	bool is_valid_git_branch(const std::string& branch);
+	std::string get_git_branch();
+	git_branch get_current_branch();
+	void set_branch(const git_branch branch);
 }