From 3f0f29798b394167f6685e5aa5e983d6e340f104 Mon Sep 17 00:00:00 2001
From: Vincent Riquer <v.riquer@b2f-concept.com>
Date: Thu, 19 Nov 2015 14:05:13 +0100
Subject: [PATCH] weekly, monthly

---
 defaults.conf |  2 ++
 remote-backup | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+)

diff --git a/defaults.conf b/defaults.conf
index 40cc775..907be8e 100644
--- a/defaults.conf
+++ b/defaults.conf
@@ -5,6 +5,8 @@ REMOTE_LOCATION=""
 EXCLUDES=/dev/null
 DEST=""
 MAX_ROTATE=7
+WEEK_KEEP=0
+MONTH_KEEP=0
 BWLIMIT=0 # kBps
 TIMEOUT=1800
 RETRY=5
diff --git a/remote-backup b/remote-backup
index 80235c6..6273e2b 100755
--- a/remote-backup
+++ b/remote-backup
@@ -207,6 +207,58 @@ rotateBackup() {
 			fi
 		done
 	fi
+	if (( WEEK_KEEP && $(date +%u) == 1 ))
+	then
+		if [ -d "$SNAPSHOT_RW/$NAME/weekly.${WEEK_KEEP}" ]
+		then
+			echo -e "$(date +%Y-%m-%d:%H:%M:%S)\t\tDeleting $SNAPSHOT_RW/$NAME/weekly.${WEEK_KEEP}"
+			$RM -rf "$SNAPSHOT_RW/$NAME/weekly.${WEEK_KEEP}"
+		fi
+		for (( backup_num=$WEEK_KEEP ; backup_num >= 0 ; backup_num-- ))
+		do
+			if [ -d "$SNAPSHOT_RW/$NAME/weekly.${backup_num}" ]
+			then
+				echo -e "$(date +%Y-%m-%d:%H:%M:%S)\t\tRename"		\
+					"$SNAPSHOT_RW/$NAME/weekly.${backup_num}" 		\
+					"to"											\
+					"$SNAPSHOT_RW/$NAME/weekly.$(( backup_num + 1 ))"
+				$MV -f "$SNAPSHOT_RW/$NAME/weekly.${backup_num}"		\
+					"$SNAPSHOT_RW/$NAME/weekly.$(( backup_num + 1 ))"
+			fi
+		done
+		echo -e "$(date +%Y-%m-%d:%H:%M:%S)\t\tCopying"	\
+			"$SNAPSHOT_RW/$NAME/daily.1"		\
+			to					\
+			"$SNAPSHOT_RW/$NAME/weekly.0"
+		cp -al "$SNAPSHOT_RW/$NAME/daily.1"		\
+			"$SNAPSHOT_RW/$NAME/weekly.0"
+	fi
+	if (( MONTH_KEEP && $(date +%d) == 1))
+	then
+		if [ -d "$SNAPSHOT_RW/$NAME/monthly.${MONTH_KEEP}" ]
+		then
+			echo -e "$(date +%Y-%m-%d:%H:%M:%S)\t\tDeleting $SNAPSHOT_RW/$NAME/monthly.${MONTH_KEEP}"
+			$RM -rf "$SNAPSHOT_RW/$NAME/monthly.${MONTH_KEEP}"
+		fi
+		for (( backup_num=$MONTH_KEEP ; backup_num >= 0 ; backup_num-- ))
+		do
+			if [ -d "$SNAPSHOT_RW/$NAME/monthly.${backup_num}" ]
+			then
+				echo -e "$(date +%Y-%m-%d:%H:%M:%S)\t\tRename"		\
+					"$SNAPSHOT_RW/$NAME/monthly.${backup_num}" 		\
+					"to"											\
+					"$SNAPSHOT_RW/$NAME/monthly.$(( backup_num + 1 ))"
+				$MV -f "$SNAPSHOT_RW/$NAME/monthly.${backup_num}"		\
+					"$SNAPSHOT_RW/$NAME/monthly.$(( backup_num + 1 ))"
+			fi
+		done
+		echo -e "$(date +%Y-%m-%d:%H:%M:%S)\t\tCopying"	\
+			"$SNAPSHOT_RW/$NAME/daily.1"		\
+			to					\
+			"$SNAPSHOT_RW/$NAME/monthly.0"
+		cp -al "$SNAPSHOT_RW/$NAME/daily.1"		\
+			"$SNAPSHOT_RW/$NAME/monthly.0"
+	fi
 }
 
 runBackup() {
@@ -244,6 +296,22 @@ runBackup() {
 			echo -e "$(date +%Y-%m-%d:%H:%M:%S)\t\t\tdaily.$backup_num"
 		fi
 	done
+	for (( backup_num=0 ; backup_num <= WEEK_KEEP ; backup_num++ ))
+	do
+		if [ -d "$SNAPSHOT_RW/$NAME/weekly.$backup_num" ]
+		then
+			RSYNC_OPTS="$RSYNC_OPTS --link-dest=$SNAPSHOT_RW/$NAME/weekly.$backup_num"
+			echo -e "$(date +%Y-%m-%d:%H:%M:%S)\t\t\tweekly.$backup_num"
+		fi
+	done
+	for (( backup_num=0 ; backup_num <= MONTH_KEEP ; backup_num++ ))
+	do
+		if [ -d "$SNAPSHOT_RW/$NAME/monthly.$backup_num" ]
+		then
+			RSYNC_OPTS="$RSYNC_OPTS --link-dest=$SNAPSHOT_RW/$NAME/monthly.$backup_num"
+			echo -e "$(date +%Y-%m-%d:%H:%M:%S)\t\t\tmonthly.$backup_num"
+		fi
+	done
 	if (( TIMEOUT ))
 	then
 		RSYNC_OPTS="$RSYNC_OPTS --timeout=$TIMEOUT"