From 3384dd0a5578cc3a26dd076669dd264f5ae9f008 Mon Sep 17 00:00:00 2001
From: tv <tv@shackspace.de>
Date: Thu, 1 Oct 2015 14:29:53 +0200
Subject: krebs lib.shell.escape: add safe chars: +:=

---
 krebs/4lib/shell.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/krebs/4lib/shell.nix b/krebs/4lib/shell.nix
index 2a6da5c16..5910adacc 100644
--- a/krebs/4lib/shell.nix
+++ b/krebs/4lib/shell.nix
@@ -6,7 +6,7 @@ with lib;
 rec {
   escape =
     let
-      isSafeChar = c: match "[-./0-9_a-zA-Z]" c != null;
+      isSafeChar = c: match "[-+./0-9:=A-Z_a-z]" c != null;
     in
     stringAsChars (c:
       if isSafeChar c then c
-- 
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