quick check with linters

src/content/Content.cpp

@@ -95,9 +95,7 @@ Content* ContentBuilder::build() {
         }
 
         blockDefsIndices.push_back(def);
-        if (groups->find(def->drawGroup) == groups->end()) {
-            groups->insert(def->drawGroup);
-        }
+        groups->insert(def->drawGroup);
     }
 
     std::vector<ItemDef*> itemDefsIndices;

src/content/ContentLoader.cpp

@@ -228,15 +228,15 @@ void ContentLoader::loadCustomBlockModel(Block& def, dynamic::Map* primitives) {
             def.modelBoxes.push_back(modelbox);
 
             if (boxarr->size() == 7)
-                for (uint i = 6; i < 12; i++) {
+                for (uint j = 6; j < 12; j++) {
                     def.modelTextures.push_back(boxarr->str(6));
                 }
             else if (boxarr->size() == 12)
-                for (uint i = 6; i < 12; i++) {
-                    def.modelTextures.push_back(boxarr->str(i));
+                for (uint j = 6; j < 12; j++) {
+                    def.modelTextures.push_back(boxarr->str(j));
                 }
             else
-                for (uint i = 6; i < 12; i++) {
+                for (uint j = 6; j < 12; j++) {
                     def.modelTextures.push_back("notfound");
                 }
         }

src/content/PacksManager.cpp

@@ -74,7 +74,7 @@ static bool resolve_dependencies (
     const ContentPack* pack,
     const std::unordered_map<std::string, ContentPack>& packs,
     std::vector<std::string>& allNames,
-    std::vector<std::string>& added,
+    const std::vector<std::string>& added,
     std::queue<const ContentPack*>& queue,
     bool resolveWeaks
 ) {