From fce0ab3ff400a19b88d0d71a2586b691d8cfbaaf Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Mon, 9 Apr 2018 12:31:43 +0200
Subject: =?UTF-8?q?=E2=80=A6?=
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---
 custom/lvm-snapshots.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/custom/lvm-snapshots.nix b/custom/lvm-snapshots.nix
index ede67c58..55044ca0 100644
--- a/custom/lvm-snapshots.nix
+++ b/custom/lvm-snapshots.nix
@@ -24,7 +24,8 @@ let
       
       cowSize = mkOption {
         type = types.str;
-        default = "-l20%ORIGIN";
+        default = "-l20%%ORIGIN";
+        description = "Literate argument to lvcreate, escape for systemd";
       };
 
       readOnly = mkOption {
-- 
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