No logging with -lsilent, and reduce compile by not pulling spdlog so eagerly

src/dds.main.cpp

@@ -27,7 +27,6 @@
 #include <range/v3/view/concat.hpp>
 #include <range/v3/view/group_by.hpp>
 #include <range/v3/view/transform.hpp>
-#include <spdlog/spdlog.h>
 
 #include <dds/3rd/args.hxx>
 
@@ -73,7 +72,6 @@ struct toolchain_flag : string_flag {
             return std::move(*tc);
         } else {
             return dds::parse_toolchain_json5(dds::slurp_file(tc_path));
-            // return dds::parse_toolchain_dds(dds::slurp_file(tc_path));
         }
     }
 };
@@ -1195,7 +1193,7 @@ struct cli_build_deps {
 */
 
 int main_fn(const std::vector<std::string>& argv) {
-    spdlog::set_pattern("[%H:%M:%S] [%^%-5l%$] %v");
+    dds::log::init_logger();
     args::ArgumentParser parser("DDS - The drop-dead-simple library manager");
 
     cli_base         cli{parser};

src/dds/util/log.cpp

@@ -18,6 +18,11 @@ static void set_utf8_output() {
 }
 #endif
 
+void dds::log::init_logger() noexcept {
+    // spdlog::set_pattern("[%H:%M:%S] [%^%-5l%$] %v");
+    spdlog::set_pattern("[%^%-5l%$] %v");
+}
+
 void dds::log::log_print(dds::log::level l, std::string_view msg) noexcept {
     static auto logger_inst = [] {
         auto logger = spdlog::default_logger_raw();
@@ -40,6 +45,8 @@ void dds::log::log_print(dds::log::level l, std::string_view msg) noexcept {
             return spdlog::level::err;
         case level::critical:
             return spdlog::level::critical;
+        case level::_silent:
+            return spdlog::level::off;
         }
         neo_assert_always(invariant, false, "Invalid log level", msg, int(l));
     }();

src/dds/util/log.hpp

@@ -13,12 +13,15 @@ enum class level : int {
     warn,
     error,
     critical,
+    _silent,
 };
 
 inline level current_log_level = level::info;
 
 void log_print(level l, std::string_view s) noexcept;
 
+void init_logger() noexcept;
+
 template <typename T>
 concept formattable = requires(const T item) {
     fmt::format("{}", item);