From 4b0805b3a000b39ff89866d94b065bed68d34528 Mon Sep 17 00:00:00 2001
From: James Bunton <jamesbunton@delx.net.au>
Date: Wed, 7 Jul 2021 23:24:56 +1000
Subject: [PATCH] lib-ext-backup: don't fail if LUKS volume is already opened

---
 hacks/lib-ext-backup | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hacks/lib-ext-backup b/hacks/lib-ext-backup
index c1d5d2e..4a1d119 100644
--- a/hacks/lib-ext-backup
+++ b/hacks/lib-ext-backup
@@ -7,6 +7,9 @@ function cryptsetup_open {
         fi
         DISKNAME="$(basename "$DEVICE")"
         CRYPTNAME="crypt-$DISKNAME"
+        if [ -L "/run/ext-backup-crypt/$CRYPTNAME" ]; then
+            continue
+        fi
         echo "> cryptsetup luksOpen $DEVICE $CRYPTNAME"
         cryptsetup luksOpen "$DEVICE" "$CRYPTNAME" --key-file "/etc/lukskeys/${DISKNAME}"
         mkdir -p /run/ext-backup-crypt/
-- 
2.39.2