🐎 Do not delete partial patch files from previous runs

src/cdn/funcs/checkLocalCache.ts

@@ -11,7 +11,11 @@ export default function checkLocalCache(fileName: string, size: number): Promise
         if (fileStats.size === size) {
           resolve(true);
         } else {
-          //delete file so we can overwrite it
+          //TODO: use checksum to verify that file is correct
+          if (true) {
+            resolve(false);
+          } else {
+            //file is incorrect; delete it so we can overwrite it
             fs.unlink(fileName, function(error) {
               if (error) {
                 reject(error);
@@ -19,6 +23,7 @@ export default function checkLocalCache(fileName: string, size: number): Promise
               resolve(false);
             });
           }
+        }
       } else {
         resolve(false);
       }