👷 enable devenv by default

Add `centered_widget` element which allows to place any widget in the
center

cmake/StandardProjectSettings.cmake

@@ -44,3 +44,9 @@ endif()
 if(CMAKE_BUILD_TYPE STREQUAL "Debug")
   add_definitions(-D_GLIBCXX_ASSERTIONS)
 endif()
+
+# Enables dev environment.
+option(ENABLE_DEVENV "Enable dev environment" ON)
+if(NOT ENABLE_DEVENV)
+  add_definitions(-DNDEVENV)
+endif()

meson.build

@@ -9,6 +9,7 @@ project('cachyos-installer', 'cpp',
                           'b_ndebug=if-release'])
 
 is_debug_build = get_option('buildtype').startswith('debug')
+is_dev_environment = get_option('devenv')
 cc = meson.get_compiler('cpp')
 if cc.get_id() == 'clang'
     specific_cc_flags = [
@@ -22,6 +23,14 @@ if cc.get_id() == 'clang'
     add_global_link_arguments(cc.get_supported_link_arguments(specific_link_flags), language : 'cpp')
 endif
 
+if is_debug_build
+    add_global_arguments('-D_GLIBCXX_ASSERTIONS', language : 'cpp')
+endif
+
+if not is_dev_environment
+    add_global_arguments('-DNDEVENV', language : 'cpp')
+endif
+
 # Common dependencies
 fmt = dependency('fmt', version : ['>=8.0.0'], fallback : ['fmt', 'fmt_dep'])
 ftxui = dependency('ftxui', modules : ['ftxui::screen', 'ftxui::dom', 'ftxui::component'], fallback : ['ftxui', 'ftxui_dep'])
@@ -66,11 +75,7 @@ if cc.get_id() == 'gcc'
     ]
 endif
 
-if is_debug_build
-    possible_cc_flags += [
-        '-D_GLIBCXX_ASSERTIONS',
-    ]
-else
+if not is_debug_build
    if cc.get_id() == 'gcc'
       possible_cc_flags += [
          '-flto',
@@ -81,6 +86,10 @@ else
          '-flto=thin',
       ]
    endif
+
+   possible_cc_flags += ['-fdata-sections', '-ffunction-sections']
+   possible_link_flags = ['-Wl,--gc-sections']
+   add_project_link_arguments(cc.get_supported_link_arguments(possible_link_flags), language : 'cpp')
 endif
 
 add_project_arguments(cc.get_supported_arguments(possible_cc_flags), language : 'cpp')

meson_options.txt

@@ -0,0 +1 @@
+option('devenv', type: 'boolean', value: true, description: 'enable dev environment')

src/main.cpp

@@ -14,13 +14,11 @@ int main() {
         utils::exec("setterm -blank 0 -powersave off");
     }
 
-#ifdef NDEBUG
     if (!utils::check_root()) {
         std::this_thread::sleep_for(std::chrono::seconds(3));
         utils::clear_screen();
         return 1;
     }
-#endif
 
     if (!Config::initialize()) {
         return 1;

src/tui.cpp

@@ -11,6 +11,26 @@
 using namespace ftxui;
 
 namespace tui {
+
+ftxui::Element centered_widget(ftxui::Component& container, const std::string_view& title, const ftxui::Element& widget) {
+    return vbox({
+        //  -------- Title --------------
+        text(title.data()) | bold,
+        filler(),
+        //  -------- Center Menu --------------
+        hbox({
+            filler(),
+            border(vbox({
+                widget,
+                separator(),
+                container->Render() | hcenter | size(HEIGHT, LESS_THAN, 3) | size(WIDTH, GREATER_THAN, 25),
+            })),
+            filler(),
+        }) | center,
+        filler(),
+    });
+}
+
 void init() noexcept {
     auto screen = ScreenInteractive::Fullscreen();
 
@@ -28,22 +48,7 @@ void init() noexcept {
     });
 
     auto renderer = Renderer(container, [&] {
-        return vbox({
-            //  -------- Title --------------
-            text("New CLI Installer") | bold,
-            filler(),
-            //  -------- Center Menu --------------
-            hbox({
-                filler(),
-                border(vbox({
-                    text("TODO!!") | size(HEIGHT, GREATER_THAN, 5),
-                    separator(),
-                    container->Render() | hcenter | size(HEIGHT, LESS_THAN, 3) | size(WIDTH, GREATER_THAN, 25),
-                })),
-                filler(),
-            }) | center,
-            filler(),
-        });
+        return tui::centered_widget(container, "New CLI Installer", text("TODO!!") | size(HEIGHT, GREATER_THAN, 5));
     });
 
     screen.Loop(renderer);

src/tui.hpp

@@ -1,7 +1,10 @@
 #ifndef TUI_HPP
 #define TUI_HPP
 
+#include <ftxui/component/component.hpp>
+
 namespace tui {
+ftxui::Element centered_widget(ftxui::Component& container, const std::string_view& title, const ftxui::Element& widget);
 void init() noexcept;
 }  // namespace tui
 

src/utils.cpp

@@ -20,17 +20,23 @@ namespace utils {
 static constexpr std::int32_t CONNECTION_TIMEOUT = 15;
 
 bool is_connected() noexcept {
+#ifdef NDEVENV
     /* clang-format off */
     auto r = cpr::Get(cpr::Url{"https://www.google.com"},
              cpr::Timeout{1000});
-
-    info("{}\n", r.status_code);
     /* clang-format on */
     return cpr::status::is_success(static_cast<std::int32_t>(r.status_code)) || cpr::status::is_redirect(static_cast<std::int32_t>(r.status_code));
+#else
+    return true;
+#endif
 }
 
 bool check_root() noexcept {
+#ifdef NDEVENV
     return (utils::exec("whoami") == "root\n");
+#else
+    return true;
+#endif
 }
 
 void clear_screen() noexcept {