add an option to list available components

src/cli/extract.cpp

@@ -59,6 +59,7 @@
 #include "setup/file.hpp"
 #include "setup/info.hpp"
 #include "setup/language.hpp"
+#include "setup/component.hpp"
 
 #include "stream/chunk.hpp"
 #include "stream/file.hpp"
@@ -628,7 +629,7 @@ bool print_file_info(const extract_options & o, const setup::info & info) {
 	}
 	#endif
 	
-	bool multiple_sections = (o.list_languages + o.gog_game_id + o.list + o.show_password > 1);
+	bool multiple_sections = (o.list_languages + o.list_components + o.gog_game_id + o.list + o.show_password > 1);
 	if(!o.quiet && multiple_sections) {
 		std::cout << '\n';
 	}
@@ -657,6 +658,26 @@ bool print_file_info(const extract_options & o, const setup::info & info) {
 			std::cout << '\n';
 		}
 	}
+
+	if (o.list_components) {
+		if (multiple_sections) {
+			std::cout << "Components:\n";
+		}
+		BOOST_FOREACH(const setup::component_entry & component, info.components) {
+			std::cout << " - " << color::green << component.name << color::reset;
+			if (!component.description.empty()) {
+				std::cout << ": " << color::white << component.description << color::reset;
+			}
+			std::cout << '\n';
+		}
+		if (info.components.empty()) {
+			std::cout << " (none)\n";
+		}
+
+		if ((o.silent || !o.quiet) && multiple_sections) {
+			std::cout << '\n';
+		}
+	}
 	
 	if(o.gog_game_id) {
 		std::string id = gog::get_game_id(info);
@@ -952,6 +973,9 @@ void process_file(const fs::path & installer, const extract_options & o) {
 	if(o.list_languages) {
 		entries |= setup::info::Languages;
 	}
+	if(o.list_components) {
+		entries |= setup::info::Components;
+	}
 	if(o.gog_game_id || o.gog) {
 		entries |= setup::info::RegistryEntries;
 	}
@@ -992,7 +1016,7 @@ void process_file(const fs::path & installer, const extract_options & o) {
 		throw format_error(oss.str());
 	}
 	
-	if(o.gog_galaxy && (o.list || o.test || o.extract || o.list_languages)) {
+	if(o.gog_galaxy && (o.list || o.test || o.extract || o.list_languages || o.list_components)) {
 		gog::parse_galaxy_files(info, o.gog);
 	}
 	

src/cli/extract.hpp

@@ -64,6 +64,7 @@ struct extract_options {
 	bool test; //!< Test files (but don't extract)
 	bool extract; //!< Extract files
 	bool list_languages; //!< List available languages
+	bool list_components; //!< List available components
 	bool gog_game_id; //!< Show the GOG.com game id
 	bool show_password; //!< Show password check information
 	bool check_password; //!< Abort if the provided password is incorrect
@@ -102,6 +103,7 @@ struct extract_options {
 		, test(false)
 		, extract(false)
 		, list_languages(false)
+		, list_components(false)
 		, gog_game_id(false)
 		, show_password(false)
 		, check_password(false)

src/cli/main.cpp

@@ -137,6 +137,7 @@ int main(int argc, char * argv[]) {
 		("list-checksums", "List file checksums")
 		("info,i", "Print information about the installer")
 		("list-languages", "List languages supported by the installer")
+		("list-components", "List components supported by the installer")
 		("gog-game-id", "Determine the installer's GOG.com game ID")
 		("show-password", "Show password check information")
 		("check-password", "Abort if the password is incorrect")
@@ -261,16 +262,19 @@ int main(int argc, char * argv[]) {
 	o.extract = (options.count("extract") != 0);
 	o.test = (options.count("test") != 0);
 	o.list_languages = (options.count("list-languages") != 0);
+	o.list_components = (options.count("list-components") != 0);
 	o.gog_game_id = (options.count("gog-game-id") != 0);
 	o.show_password = (options.count("show-password") != 0);
 	o.check_password = (options.count("check-password") != 0);
 	if(options.count("info") != 0) {
+		o.list_components = true;
 		o.list_languages = true;
 		o.gog_game_id = true;
 		o.show_password = true;
 	}
 	bool explicit_action = o.list || o.test || o.extract || o.list_languages
-	                       || o.gog_game_id || o.show_password || o.check_password;
+	                       || o.gog_game_id || o.show_password || o.check_password
+	                       || o.list_components;
 	if(!explicit_action) {
 		o.extract = true;
 	}