From 267851bd898208380bb9af6a4014c07b7efbcfbb Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@freedombone.net>
Date: Sun, 6 Aug 2017 12:50:31 +0100
Subject: [PATCH] Only alter fstab if needed
---
src/freedombone-utils-filesystem | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/freedombone-utils-filesystem b/src/freedombone-utils-filesystem
index f88d65485..f2bd79a3d 100755
--- a/src/freedombone-utils-filesystem
+++ b/src/freedombone-utils-filesystem
@@ -124,7 +124,11 @@ function defrag_filesystem {
}
function optimise_filesystem {
- sed -i 's|btrfs subvol=@|btrfs defaults,subvol=@,compress=lzo,ssd|g' /etc/fstab
+ if grep -q "btrfs" /etc/fstab; then
+ if ! grep -q "btrfs defaults,subvol=@,compress=lzo,ssd" /etc/fstab; then
+ sed -i 's|btrfs subvol=@|btrfs defaults,subvol=@,compress=lzo,ssd|g' /etc/fstab
+ fi
+ fi
}
# NOTE: deliberately no exit 0
--
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