log which installed files exist

Author: qwcode

pip/req.py

@@ -448,7 +448,7 @@ def uninstall(self, auto_confirm=False):
                 logger.notify("used installed files")
                 for installed_file in dist.get_metadata('installed-files.txt').splitlines():
                     path = os.path.normpath(os.path.join(egg_info_path, installed_file))
-                    logger.notify(path)
+                    logger.notify(str(os.path.exists(path)) + ' ' + path)
                     paths_to_remove.add(path)
             elif dist.has_metadata('top_level.txt'):
                 if dist.has_metadata('namespace_packages.txt'):