From 36a33c32a094f65900d04b7e75ae828622561f92 Mon Sep 17 00:00:00 2001
From: Adar Nimrod <nimrod@shore.co.il>
Date: Sat, 13 Mar 2021 19:05:15 +0200
Subject: [PATCH] Handle cases where there are no btrfs volumes.
---
roles/debian_server/files/btrfs-scrub | 3 +++
1 file changed, 3 insertions(+)
diff --git a/roles/debian_server/files/btrfs-scrub b/roles/debian_server/files/btrfs-scrub
index ac980d3..28e1240 100755
--- a/roles/debian_server/files/btrfs-scrub
+++ b/roles/debian_server/files/btrfs-scrub
@@ -5,6 +5,9 @@ for mp in $(lsblk --list --noheadings --output fstype,mountpoint | \
awk '$1 == "btrfs" {print $2}' | \
sort -u)
do
+ # In case there are no btrfs volumes, the for loop will execute once with an
+ # empty string for mp. Validate that indeed we're passed a mountpoint.
+ [ -d "$mp" ] || continue
status="$(btrfs scrub status "$mp" | awk '$1 == "Status:" {print $2}')"
if [ "$status" = 'running' ]
then
--
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