Cycling backup script

1 files changed, 47 insertions, 0 deletions

diff --git a/scripts/backup.cron b/scripts/backup.cron
new file mode 100755
index 0000000..0f12cab
--- /dev/null
+++ b/scripts/backup.cron
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+basedir="/var/backup"
+prefix="daily"
+count="25"
+list="dirs.list"
+
+echo mount -o remount,rw ${basedir}
+mount -o remount,rw ${basedir}
+
+last=${basedir}/${prefix}.${count}
+if [ -d ${last} ]; then
+	echo rm -r ${last}
+	rm -r ${last}
+fi
+
+for n in `seq ${count} -1 1`; do
+	((m=$n - 1))
+	src=${basedir}/${prefix}.$m
+	dest=${basedir}/${prefix}.$n
+	if [ -d ${src} ]; then
+		if [ ${m} -eq 0 ]; then
+			echo cp -rl ${src} ${dest}
+			cp -rl ${src} ${dest}
+		else
+			echo mv ${src} ${dest}
+			mv ${src} ${dest}
+		fi
+	else
+		echo mkdir ${dest}
+		mkdir ${dest}
+	fi
+done
+
+for src in `cat ${basedir}/${list}`; do
+	dest=${basedir}/${prefix}.0${src}
+	if [ ! -d ${dest} ]; then
+		echo mkdir -p ${dest}
+		mkdir -p ${dest}
+	fi
+	echo rsync -avx --delete ${src} ${dest}
+	rsync -avx --delete ${src} ${dest}
+done
+
+echo mount -o remount,ro ${basedir}
+mount -o remount,ro ${basedir}
+