From 38e440ae67cd88cd88a975eb275144ffda3ec57a Mon Sep 17 00:00:00 2001
From: smckown <smckown@986fd584-583e-0410-b54d-b9fe63dff8e5>
Date: Mon, 9 Nov 2009 15:04:19 +0000
Subject: [PATCH] This script can selectively remove backups.

Be sure no backuppc tasks run during execution of this script, and call
BackupPC_nightly afterward.
---
 BackupPC_deleteBackup | 123 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 BackupPC_deleteBackup

diff --git a/BackupPC_deleteBackup b/BackupPC_deleteBackup
new file mode 100644
index 0000000..620752d
--- /dev/null
+++ b/BackupPC_deleteBackup
@@ -0,0 +1,123 @@
+#! /bin/sh
+#
+usage="\
+Usage: $0 -c <client> [-d <backupnumber> -b <before data> | -l]
+
+delete specified backups.
+Attention!
+ If a full backup deleted all depending incr. backups
+ will also be deleted.
+
+	-c <client>	- client machine for which the backup was made
+	-d <number>	- number of Backup which should be deleted
+	-b <date>	- delete all backups before this date (YYYY-MM-DD)
+	-l		- list the backups which made for <client>
+	-h		- this help
+
+Example:
+list backups of <client>
+ $0 -c <name of the client which was backed up> -l
+
+remove backup #3 from <client>
+ $0 -c <name of the client which was backed up> -d 3
+
+remove all backups before 2007-07-02 from <client>
+ $0 -c <name of the client which was backed up> -b 2007-07-02
+"
+
+typeset -i len
+clUser=root
+type="rsa"
+
+while test $# -gt 0; do
+	case "$1" in
+	-c | --client )
+		shift; client=$1; shift;;
+	-b | --before )
+		shift; bDate=$1; shift;;
+	-d | --delete )
+		shift; bNumber=$1; shift;;
+	-l | --list )
+		list="true"; shift;;
+	* | -h | --help)
+		echo "$usage"
+		exit 0
+		;;
+	esac
+done
+
+if [ -z "$client" ] || [ -z $list ] && [ -z $bNumber ] && [ -z $bDate ]
+then
+	echo "$usage"
+	exit 0
+fi
+
+TopDir=`grep $Conf{TopDir} /etc/backuppc/config.pl | awk '{print $3}'`
+len=${#TopDir}-3
+TopDir=${TopDir:1:len}
+ls $TopDir/pc > /dev/null 2>&1
+while [ $? != 0 ]
+do
+	read -p "examined $TopDir seems wrong. What is TopDir ? " TopDir
+	ls $TopDir/pc > /dev/null 2>&1
+done
+
+ls $TopDir/pc/$client > /dev/null 2>&1
+if [ $? != 0 ]
+then
+	echo "$client have no backups"
+	exit 1
+fi
+
+if [ ! -z $list ]
+then
+	while read CLine
+	do
+		BackupNumber=`echo $CLine | awk '{print $1}'`
+		BackupType=`echo $CLine | awk '{print $2}'`
+		BackupTime=`stat -c "%y" $TopDir/pc/$client/$BackupNumber | awk '{print $1}'`
+		echo "BackupNumber $BackupNumber - $BackupType-Backup from $BackupTime"
+	done < $TopDir/pc/$client/backups
+	exit 0
+fi
+
+if [ ! -z $bNumber ] && [ ! -e $TopDir/pc/$client/$bNumber ]
+then
+	echo "Backup Number $bNumber does not exist for client $client"
+	exit 1
+fi
+
+delete2full="false"
+rm -f $TopDir/pc/$client/backups.new > /dev/null 2>&1
+while read CLine
+do
+	BackupNumber=`echo $CLine | awk '{print $1}'`
+	BackupTime=`stat -c "%y" $TopDir/pc/$client/$BackupNumber | awk '{print $1}'`
+	BackupType=`echo $CLine | awk '{print $2}'`
+	if [ $BackupType == "full" ]
+	then
+		delete2full="false"
+	fi
+	if [ "$BackupTime" \< "$bDate" ] || [ $BackupNumber == "$bNumber" ] || [ $delete2full == "true" ]
+	then
+		if [ $BackupType == "full" ]
+		then
+			if [ $delete2full == "false" ]
+			then
+				delete2full="true"
+			else
+				delete2full="false"
+			fi
+		fi
+		bNumber=$BackupNumber
+		echo "remove $TopDir/pc/$client/$bNumber"
+		rm -fr $TopDir/pc/$client/$bNumber > /dev/null 2>&1
+	fi
+	if [ $BackupNumber != $bNumber ]
+	then
+		echo "$CLine" >> $TopDir/pc/$client/backups.new
+	fi
+done < $TopDir/pc/$client/backups
+mv $TopDir/pc/$client/backups.new $TopDir/pc/$client/backups
+
+exit $?
\ No newline at end of file
-- 
2.39.2