fix: search windows apps path (#65)

find_ecsact_cli/find_ecsact_cli.cc

@@ -39,13 +39,46 @@ result::find_ecsact_cli ecsact::rtb::find_ecsact_cli(
 		auto ecsact_cli_from_path = bp::search_path(search_exe);
 		if(!ecsact_cli_from_path.empty()) {
 			path = ecsact_cli_from_path.string();
+		} else {
+#ifdef _WIN32
+			// boost search_path does not find WindowsApps
+			auto local_app_data = std::getenv("LOCALAPPDATA");
+			if(local_app_data != nullptr) {
+				auto windows_apps_dir =
+					fs::path(std::string(local_app_data)) / "Microsoft" / "WindowsApps";
+
+				path = (windows_apps_dir / "ecsact.exe").string();
+			}
+#endif
 		}
 	}
 
 	if(!path.empty()) {
-		options.reporter.report(ecsact_rtb::info_message{
-			.content = "Using Ecsact CLI: "s + path,
-		});
+		auto ec = boost::system::error_code{};
+		auto stdout_stream = bp::ipstream{};
+		auto ecsact_proc = bp::child(
+			bp::exe(path),
+			bp::args({"--version"}),
+			bp::std_out > stdout_stream
+		);
+
+		auto ecsact_version = std::string{};
+		std::getline(stdout_stream, ecsact_version);
+
+		ecsact_proc.wait();
+
+		if(ecsact_proc.exit_code() == 0 && !ecsact_version.empty()) {
+			options.reporter.report(ecsact_rtb::info_message{
+				.content = "Using Ecsact CLI (" + ecsact_version + "): "s + path,
+			});
+		} else {
+			options.reporter.report(ecsact_rtb::error_message{
+				.content = "ecsact --version exited with code " +
+					std::to_string(ecsact_proc.exit_code()),
+			});
+
+			path = "";
+		}
 	}
 
 	return {