From 57098e472a1677883b7f95d0d0b5c815ca1b2b3b Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sun, 3 Jul 2016 19:41:31 +0200
Subject: [PATCH] absolute-pathname: check stringLength > 0
---
krebs/4lib/types.nix | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/krebs/4lib/types.nix b/krebs/4lib/types.nix
index 0d5b51f76..be0acd584 100644
--- a/krebs/4lib/types.nix
+++ b/krebs/4lib/types.nix
@@ -342,7 +342,9 @@ types // rec {
absolute-pathname = mkOptionType {
name = "POSIX absolute pathname";
check = x: let xs = splitString "/" x; xa = head xs; in
- isString x && (xa == "/" || (xa == "" && all filename.check (tail xs)));
+ isString x
+ && stringLength x > 0
+ && (xa == "/" || (xa == "" && all filename.check (tail xs)));
merge = mergeOneOption;
};