Give error when datadir in appdir

couchpotato/core/_base/_core/main.py

@@ -43,6 +43,7 @@ class Core(Plugin):
         addEvent('app.base_url', self.createBaseUrl)
         addEvent('app.api_url', self.createApiUrl)
         addEvent('app.version', self.version)
+        addEvent('app.load', self.checkDataDir)
 
         addEvent('setting.save.core.password', self.md5Password)
         addEvent('setting.save.core.api_key', self.checkApikey)
@@ -54,6 +55,12 @@ class Core(Plugin):
     def checkApikey(self, value):
         return value if value and len(value) > 3 else uuid4().hex
 
+    def checkDataDir(self):
+        if Env.get('app_dir') in Env.get('data_dir'):
+            log.error('You should NOT use your CouchPotato directory to save your settings in. Files will get overwritten or be deleted.')
+
+        return True
+
     def available(self):
         return jsonified({
             'succes': True

couchpotato/core/_base/updater/main.py

@@ -305,6 +305,13 @@ class SourceUpdater(BaseUpdater):
                     except Exception, e:
                         log.error('Failed overwriting file: %s', e)
 
+        if Env.get('app_dir') not in Env.get('data_dir'):
+            for still_exists in existing_files:
+                try:
+                    os.remove(still_exists)
+                except:
+                    log.error('Failed removing non-used file: %s', traceback.format_exc())
+
 
     def removeDir(self, path):
         try: