Add ability to export patch packs

Co-authored-by: Poq Xert <poqxert@poqxert.ru>

1 files changed, 25 insertions, 2 deletions

diff --git a/main/main.cpp b/main/main.cpp
index 439cd385c0..9d350e60e7 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -650,6 +650,8 @@ void Main::print_help(const char *p_binary) {
 	print_help_option("", "The target directory must exist.\n");
 	print_help_option("--export-debug <preset> <path>", "Export the project in debug mode using the given preset and output path. See --export-release description for other considerations.\n", CLI_OPTION_AVAILABILITY_EDITOR);
 	print_help_option("--export-pack <preset> <path>", "Export the project data only using the given preset and output path. The <path> extension determines whether it will be in PCK or ZIP format.\n", CLI_OPTION_AVAILABILITY_EDITOR);
+	print_help_option("--export-patch <preset> <path>", "Export pack with changed files only. See --export-pack description for other considerations.\n", CLI_OPTION_AVAILABILITY_EDITOR);
+	print_help_option("--patches <paths>", "List of patches to use with --export-patch. The list is comma-separated.\n", CLI_OPTION_AVAILABILITY_EDITOR);
 	print_help_option("--install-android-build-template", "Install the Android build template. Used in conjunction with --export-release or --export-debug.\n", CLI_OPTION_AVAILABILITY_EDITOR);
 #ifndef DISABLE_DEPRECATED
 	// Commands are long; split the description to a second line.
@@ -1469,12 +1471,23 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 			wait_for_import = true;
 			quit_after = 1;
 		} else if (arg == "--export-release" || arg == "--export-debug" ||
-				arg == "--export-pack") { // Export project
+				arg == "--export-pack" || arg == "--export-patch") { // Export project
 			// Actually handling is done in start().
 			editor = true;
 			cmdline_tool = true;
 			wait_for_import = true;
 			main_args.push_back(arg);
+		} else if (arg == "--patches") {
+			if (N) {
+				// Actually handling is done in start().
+				main_args.push_back(arg);
+				main_args.push_back(N->get());
+
+				N = N->next();
+			} else {
+				OS::get_singleton()->print("Missing comma-separated list of patches after --patches, aborting.\n");
+				goto error;
+			}
 #ifndef DISABLE_DEPRECATED
 		} else if (arg == "--export") { // For users used to 3.x syntax.
 			OS::get_singleton()->print("The Godot 3 --export option was changed to more explicit --export-release / --export-debug / --export-pack options.\nSee the --help output for details.\n");
@@ -3480,9 +3493,11 @@ int Main::start() {
 	bool doc_tool_implicit_cwd = false;
 	BitField<DocTools::GenerateFlags> gen_flags;
 	String _export_preset;
+	Vector<String> patches;
 	bool export_debug = false;
 	bool export_pack_only = false;
 	bool install_android_build_template = false;
+	bool export_patch = false;
 #ifdef MODULE_GDSCRIPT_ENABLED
 	String gdscript_docs_path;
 #endif
@@ -3572,6 +3587,14 @@ int Main::start() {
 				editor = true;
 				_export_preset = E->next()->get();
 				export_pack_only = true;
+			} else if (E->get() == "--export-patch") {
+				ERR_FAIL_COND_V_MSG(!editor && !found_project, EXIT_FAILURE, "Please provide a valid project path when exporting, aborting.");
+				editor = true;
+				_export_preset = E->next()->get();
+				export_pack_only = true;
+				export_patch = true;
+			} else if (E->get() == "--patches") {
+				patches = E->next()->get().split(",", false);
 #endif
 			} else {
 				// The parameter does not match anything known, don't skip the next argument
@@ -3975,7 +3998,7 @@ int Main::start() {
 			sml->get_root()->add_child(editor_node);
 
 			if (!_export_preset.is_empty()) {
-				editor_node->export_preset(_export_preset, positional_arg, export_debug, export_pack_only, install_android_build_template);
+				editor_node->export_preset(_export_preset, positional_arg, export_debug, export_pack_only, install_android_build_template, export_patch, patches);
 				game_path = ""; // Do not load anything.
 			}