Init: don't pay for unused module

Networking can be very slow

src/common/init.c

@@ -363,10 +363,6 @@ static void exitSignalHandler(int signal)
 
 void ffStart(FFinstance* instance)
 {
-    ffPrepareCPUUsage();
-    ffPreparePublicIp(instance);
-    ffPrepareWeather(instance);
-
     if(instance->config.multithreading)
         startDetectionThreads(instance);
 

src/fastfetch.c

@@ -1485,6 +1485,19 @@ int main(int argc, const char** argv)
     if(data.structure.length == 0)
         ffStrbufAppendS(&data.structure, FASTFETCH_DATATEXT_STRUCTURE);
 
+    #define FF_CONTAINS_MODULE_NAME(moduleName)\
+        ffStrbufContainIgnCaseS(&data.structure, ":" #moduleName ":") ||\
+        ffStrbufStartsWithIgnCaseS(&data.structure, #moduleName ":") ||\
+        ffStrbufEndsWithIgnCaseS(&data.structure, ":" #moduleName)
+
+    if(FF_CONTAINS_MODULE_NAME(CPUUsage))
+        ffPrepareCPUUsage();
+    if(FF_CONTAINS_MODULE_NAME(PublicIp))
+        ffPreparePublicIp(&instance);
+    if(FF_CONTAINS_MODULE_NAME(Weather))
+        ffPrepareWeather(&instance);
+    #undef FF_CONTAINS_MODULE_NAME
+
     ffStart(&instance);
 
     //Parse the structure and call the modules

src/flashfetch.c

@@ -10,6 +10,10 @@ int main(int argc, char** argv)
 
     //Modify instance.config here
 
+    // ffPrepareCPUUsage();
+    // ffPreparePublicIp(&instance);
+    // ffPrepareWeather(&instance);
+
     //Does things like starting detection threads, disabling line wrap, etc
     ffStart(&instance);