Closes #6790

Author: Anuken

core/src/mindustry/mod/Mods.java

@@ -476,13 +476,7 @@ public void load(){
             ModMeta meta = null;
 
             try{
-                Fi zip = file.isDirectory() ? file : new ZipFi(file);
-
-                if(zip.list().length == 1 && zip.list()[0].isDirectory()){
-                    zip = zip.list()[0];
-                }
-
-                meta = findMeta(zip);
+                meta = findMeta(resolveRoot(file.isDirectory() ? file : new ZipFi(file)));
             }catch(Throwable ignored){
             }
 
@@ -507,7 +501,7 @@ public void load(){
                 if(steam) mod.addSteamID(file.name());
             }catch(Throwable e){
                 if(e instanceof ClassNotFoundException && e.getMessage().contains("mindustry.plugin.Plugin")){
-                    Log.info("Plugin '@' is outdated and needs to be ported to 6.0! Update its main class to inherit from 'mindustry.mod.Plugin'. See https://mindustrygame.github.io/wiki/modding/6-migrationv6/", file.name());
+                    Log.warn("Plugin '@' is outdated and needs to be ported to v7! Update its main class to inherit from 'mindustry.mod.Plugin'.", file.name());
                 }else if(steam){
                     Log.err("Failed to load mod workshop file @. Skipping.", file);
                     Log.err(e);
@@ -935,10 +929,10 @@ private boolean resolve(String element, ModResolutionContext context){
         return true;
     }
 
-    /** Loads a mod file+meta, but does not add it to the list.
-     * Note that directories can be loaded as mods. */
-    private LoadedMod loadMod(Fi sourceFile) throws Exception{
-        return loadMod(sourceFile, false, true);
+    private Fi resolveRoot(Fi fi){
+        if(OS.isMac && (!(fi instanceof ZipFi))) fi.child(".DS_Store").delete();
+        Fi[] files = fi.list();
+        return files.length == 1 && files[0].isDirectory() ? files[0] : fi;
     }
 
     /** Loads a mod file+meta, but does not add it to the list.
@@ -949,10 +943,7 @@ private LoadedMod loadMod(Fi sourceFile, boolean overwrite, boolean initialize)
         ZipFi rootZip = null;
 
         try{
-            Fi zip = sourceFile.isDirectory() ? sourceFile : (rootZip = new ZipFi(sourceFile));
-            if(zip.list().length == 1 && zip.list()[0].isDirectory()){
-                zip = zip.list()[0];
-            }
+            Fi zip = resolveRoot(sourceFile.isDirectory() ? sourceFile : (rootZip = new ZipFi(sourceFile)));
 
             ModMeta meta = findMeta(zip);