Added wirekit installation requirement checks

include/install.hpp

@@ -2,6 +2,7 @@
 #include <filesystem>
 #include <list>
 #include <string>
+#include <functional>
 
 class InstallManager {
 	static constexpr const char* INSTALL_PATH = ".rewire/wirekits"; // Relative to home directory
@@ -20,7 +21,8 @@ public:
 
 	operator bool() const;
 
-	bool install(const char* from, const char* to);
+	bool install(const char* from, const char* to,
+		std::function<bool(const std::filesystem::path&)> check = {});
 	bool uninstall(const char* name);
 	bool get(const char* name, std::filesystem::path& path) const;
 	std::list<std::string> installs() const;

src/install.cpp

@@ -41,7 +41,7 @@ InstallManager::operator bool() const {
 	return m_valid;
 }
 
-bool InstallManager::install(const char* from, const char* to) {
+bool InstallManager::install(const char* from, const char* to, std::function<bool(const std::filesystem::path&)> check) {
 	if (!m_valid || !from)
 		return false;
 
@@ -65,6 +65,10 @@ bool InstallManager::install(const char* from, const char* to) {
 	if (!std::filesystem::exists(src) || !std::filesystem::is_regular_file(src))
 		return false;
 
+	std::filesystem::path src_absolute = std::filesystem::absolute(src);
+	if (!check(src_absolute))
+		return false;
+
 	return std::filesystem::copy_file(src, install_dst, std::filesystem::copy_options::overwrite_existing);
 }
 

src/main.cpp

@@ -52,7 +52,27 @@ int launch_install(int argc, char** argv) {
 		return 1;
 	}
 
-	if (!im.install(argv[2], (argc == 4 ? argv[3] : nullptr))) {
+	auto kitcheck = [](const std::filesystem::path& kit) -> bool {
+		DL tmp_dl { kit };
+		if (!tmp_dl) {
+			std::cout << "Failed to check wirekit requirements for installation!" << std::endl;
+			return false;
+		}
+
+		if (!tmp_dl.resolve("wirekit_prepare")) {
+			std::cout << "Wirekit must implement \"wirekit_prepare\" to be installed!" << std::endl;
+			return false;
+		}
+
+		if (!tmp_dl.resolve("wirekit_command_start")) {
+			std::cout << "Wirekit must implement \"wirekit_command_start\" to be installed!" << std::endl;
+			return false;
+		}
+
+		return true;
+	};
+
+	if (!im.install(argv[2], (argc == 4 ? argv[3] : nullptr), kitcheck)) {
 		std::cout << "Failed to install wirekit!" << std::endl;
 		return 1;
 	}