From dd9d3dc982eacf1c2eacef1a9b4c7911bffb611f Mon Sep 17 00:00:00 2001
From: deajan <ozy@netpower.fr>
Date: Thu, 8 Jan 2015 17:16:57 +0100
Subject: [PATCH] Added --delete option for backups

---
 CHANGELOG.md     |  1 +
 host_backup.conf |  5 ++++-
 obackup.sh       | 13 +++++++++++--
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2392ac..7b9012a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@ UNDER WORK
 CHANGELOG
 ---------
 
+- Added delete on destination option for files that vanished from source
 - Fixed ignoring compression level in conf file
 - Fixed dry mode sql backup output
 - Prevented triggering TrapError if there are no child processes to terminate on TrapQuit
diff --git a/host_backup.conf b/host_backup.conf
index 0f3c17a..4c674d7 100755
--- a/host_backup.conf
+++ b/host_backup.conf
@@ -2,7 +2,7 @@
 
 ###### Remote (or local) backup script for files & databases
 ###### (L) 2013 by Ozy de Jong (www.netpower.fr)
-###### Config file rev 2711201401
+###### Config file rev 0801201501
 
 ## ---------- GENERAL BACKUP OPTIONS
 
@@ -139,6 +139,9 @@ HARD_MAX_EXEC_TIME_FILE_TASK=7200
 ## Keep partial uploads that can be resumed on next run, experimantal feature
 PARTIAL=no
 
+## Delete files on destination that vanished from source. Do not turn this on unless you enabled backup rotation  or a snapshotting FS like zfs to keep those vanished files on the destination.
+DELETE_VANSIHED_FILES=no
+
 ## ---------- ALERT OPTIONS
 
 ## Alert email adresses separated by a space character
diff --git a/obackup.sh b/obackup.sh
index 7b88199..8aa596c 100755
--- a/obackup.sh
+++ b/obackup.sh
@@ -5,7 +5,7 @@
 AUTHOR="(L) 2013-2014 by Orsiris \"Ozy\" de Jong"
 CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr"
 PROGRAM_VERSION=1.84RC4
-PROGRAM_BUILD=2112201402
+PROGRAM_BUILD=0801201501
 
 ## type doesn't work on platforms other than linux (bash). If if doesn't work, always assume output is not a zero exitcode
 if ! type -p "$BASH" > /dev/null
@@ -1280,6 +1280,11 @@ function Init
                 RSYNC_EXCLUDE="$RSYNC_EXCLUDE --exclude=\"$PARTIAL_DIR\""
         fi
 
+	if [ "DELETE_VANSIHED_FILES" == "yes" ]
+	then
+		SYNC_OPTS=$SYNC_OPTS" --delete"
+	fi
+
         if [ $stats -eq 1 ]
         then
                 SYNC_OPTS=$SYNC_OPTS" --stats"
@@ -1424,7 +1429,8 @@ function Usage
 	echo "--verbose: adds command outputs"
         echo "--stats           Adds rsync transfer statistics to verbose output"
         echo "--partial         Allows rsync to keep partial downloads that can be resumed later (experimental)"
-	echo "--no-maxtime: disables any soft and hard execution time checks"
+	echo "--no-maxtime      disables any soft and hard execution time checks"
+	echo "--delete          Deletes files on destination that vanished on source"
 	exit 128
 }
 
@@ -1470,6 +1476,9 @@ do
 		--no-maxtime)
 		no_maxtime=1
 		;;
+		--delete)
+		DELETE_VANSIHED_FILES="yes"
+		;;
 		--help|-h|--version|-v)
 		Usage
 		;;