[appimage] fix: not able to import AppImage files (regression from 0.9.21)

CHANGELOG.md

@@ -29,6 +29,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   
 - AppImage
   - trying to download a file without a URL associated with [#210](https://github.com/vinifmor/bauh/issues/210)
+  - regression: not able to import AppImage files (introduced in **0.9.21**)    
 
 - Arch
   - **wget** as a hard requirement for Arch package management

bauh/gems/appimage/controller.py

@@ -566,18 +566,19 @@ class AppImageManager(SoftwareManager):
 
             downloaded, file_name = True, pkg.local_file_path.split('/')[-1]
 
-            file_path = out_dir + '/' + file_name
+            install_file_path = out_dir + '/' + file_name
 
             try:
-                moved, output = handler.handle_simple(SimpleProcess(['mv', pkg.local_file_path, file_path]))
+                moved, output = handler.handle_simple(SimpleProcess(['mv', pkg.local_file_path, install_file_path]))
             except:
-                self.logger.error("Could not rename file '' as '{}'".format(pkg.local_file_path, file_path))
+                output = ''
+                self.logger.error("Could not rename file '' as '{}'".format(pkg.local_file_path, install_file_path))
                 moved = False
 
             if not moved:
                 watcher.show_message(title=self.i18n['error'].capitalize(),
-                                     body=self.i18n['appimage.install.imported.rename_error'].format(
-                                         bold(pkg.local_file_path.split('/')[-1]), bold(output)),
+                                     body=self.i18n['appimage.install.imported.rename_error'].format(bold(pkg.local_file_path.split('/')[-1]),
+                                                                                                     bold(output)),
                                      type_=MessageType.ERROR)
 
                 return TransactionResult.fail()