From b9bdcd3bcf679f011966565c352181a748a2847e Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sat, 17 Oct 2020 23:04:33 +0200
Subject: targets: check that at least one dir to backup is given

It makes no sense to backup zero dirs and some things might break in
potentially dangerous ways if attempted.
---
 lbup/targets.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lbup/targets.py b/lbup/targets.py
index ddd0257..217c253 100644
--- a/lbup/targets.py
+++ b/lbup/targets.py
@@ -44,6 +44,9 @@ class Target(ABC):
         if excludes is None:
             excludes = []
 
+        if len(dirs) < 1:
+            raise ValueError('One or more dirs to backup required')
+
         self.name     = name
         self.dirs     = dirs
         self.excludes = excludes
-- 
cgit v1.2.3