From a83739fda81065418cdfddc5b9a77c553bf1d647 Mon Sep 17 00:00:00 2001
From: user062 <48716714+user062@users.noreply.github.com>
Date: Wed, 20 Mar 2019 17:03:07 +0000
Subject: [PATCH] give invalid repo error msg if repo config not found, fixes
 #4411

if the repo config is not there, we definitely have a invalid repo.

for other problems (like permission issues), we'll just let it blow
up with a traceback, so the user can see what the precise problem is.
---
 src/borg/repository.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/borg/repository.py b/src/borg/repository.py
index 1b0a20648..18995af9f 100644
--- a/src/borg/repository.py
+++ b/src/borg/repository.py
@@ -393,8 +393,12 @@ def open(self, path, exclusive, lock_wait=None, lock=True):
         else:
             self.lock = None
         self.config = ConfigParser(interpolation=None)
-        with open(os.path.join(self.path, 'config')) as fd:
-            self.config.read_file(fd)
+        try:
+            with open(os.path.join(self.path, 'config')) as fd:
+                self.config.read_file(fd)
+        except FileNotFoundError:
+            self.close()
+            raise self.InvalidRepository(self.path)
         if 'repository' not in self.config.sections() or self.config.getint('repository', 'version') != 1:
             self.close()
             raise self.InvalidRepository(path)