From: Alexander Barton <alex@barton.de>
Date: Wed, 29 Jul 2015 08:28:44 +0000 (+0200)
Subject: Use correct counter when checking which generations to delete
X-Git-Url: https://arthur.barton.de/gitweb/?p=backup-script.git;a=commitdiff_plain;h=a83a80300bbc667242d4f89959700a42b5edef4c

Use correct counter when checking which generations to delete

In a18f7fb9 we fixed the counter, but up to now didn't use the
correct counter at all :-/
---

diff --git a/bin/backup-script b/bin/backup-script
index 79b171d..478e505 100755
--- a/bin/backup-script
+++ b/bin/backup-script
@@ -452,8 +452,8 @@ for f in $sys; do
 			ln -s "$sys_target" "$sys_root/latest"
 		fi
 		# Clean up old generations
-		to_delete=$(ls -1t "$sys_root" 2>/dev/null | tail -n+$generations | sort)
 		declare -i gen_count=$generations+2
+		to_delete=$(ls -1t "$sys_root" 2>/dev/null | tail -n+$gen_count | sort)
 		if [ -n "$to_delete" -a $ok -eq 1 ]; then
 			[ "$DRYRUN" -eq 0 ] \
 				&& echo "Deleting old backup generations (keep $generations) ..." \