From ec27ae1489f92848d03d950a40d0ac96ca68216a Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sat, 14 Apr 2018 17:51:27 +0200
Subject: propagate exit code

---
 custom/lvm-snapshots.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'custom')

diff --git a/custom/lvm-snapshots.nix b/custom/lvm-snapshots.nix
index 5e4557f3..5525f822 100644
--- a/custom/lvm-snapshots.nix
+++ b/custom/lvm-snapshots.nix
@@ -82,7 +82,10 @@ in {
       
       script = ''
         (
-          flock -xn -E 4 9 || exit 1
+          flock -xn -E 4 9
+          if [[ "$?" -ne 0 ]]; then
+            exit $?
+          fi
           
           lvcreate -s ${scfg.cowSize} --name ${snapshotName name} ${scfg.VG}/${scfg.LV}
 
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