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Introduce the notion of weekly and monthly snapshots.
[wizbackup.git]
/
wizbackup
diff --git
a/wizbackup
b/wizbackup
index d96ee406b01d31ac0bef2ae064580eb72716ad60..c88cc7e11861aae6220690401a0dadec5f8e302f 100755
(executable)
--- a/
wizbackup
+++ b/
wizbackup
@@
-4,7
+4,7
@@
# Based on incremental-backup 0.1 by Matteo Mattei
#
# Copyright 2006 Matteo Mattei <matteo.mattei@gmail.com>
# Based on incremental-backup 0.1 by Matteo Mattei
#
# Copyright 2006 Matteo Mattei <matteo.mattei@gmail.com>
-# Copyright 2007, 2008, 2009, 2010, 2011 Bernie Innocenti <bernie@codewiz.org>
+# Copyright 2007, 2008, 2009, 2010, 2011
, 2015
Bernie Innocenti <bernie@codewiz.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@
-42,14
+42,19
@@
DEST=$1; shift
# NOTE: --inplace will clobber linked files in older snapshots. DON'T USE IT!
RSYNC_OPTS="-HAXa --stats --timeout 1800 --numeric-ids --delete --delete-excluded --ignore-errors $@"
# NOTE: --inplace will clobber linked files in older snapshots. DON'T USE IT!
RSYNC_OPTS="-HAXa --stats --timeout 1800 --numeric-ids --delete --delete-excluded --ignore-errors $@"
-# Number of
saved snapshots
-SNAPSHOTS=45
+# Number of
months to keep
+MONTHS=3
# Abort backup if the destination volume has less than these GBs free
MIN_FREE_GB=10
RESULT=500
# Abort backup if the destination volume has less than these GBs free
MIN_FREE_GB=10
RESULT=500
-DATE=`date +"%Y%m%d"`
+DATE=$(date +"%Y%m%d")
+if [ $(date +"%d") = 1 ]; then
+ DATE="$DATE-monthly"
+elif [ $(date +"%w") = 0 ]; then
+ DATE="$DATE-weekly"
+fi
DEST="`echo $DEST | sed -e 's/\/$//'`"
DEST="`echo $DEST | sed -e 's/\/$//'`"
@@
-104,15
+109,17
@@
do_init() {
}
do_prune() {
}
do_prune() {
- local old="`ls | grep -v tmp | head -n -$SNAPSHOTS`"
- if [ ! -z "$old" ]; then
+ local num_snapshots="$1"
+ local suffix="$2"
+ local oldest="$(ls -d [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$suffix | head -n -$num_snapshots)"
+ for old in $oldest; do
echo "$(date): Removing oldest snapshot(s): $old..."
rm -rf "$old" || exit 669
echo "$(date): Removing oldest snapshot(s): $old..."
rm -rf "$old" || exit 669
- fi
+ done
}
do_link() {
}
do_link() {
- local newest=`ls
| grep -v tmp
| tail -n 1`
+ local newest=`ls
-d [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]*
| tail -n 1`
if [ -d "$DEST/tmp" ]; then
echo "$(date): Continuing with pre-existing snapshot $DEST/tmp"
elif [ -z "$newest" ]; then
if [ -d "$DEST/tmp" ]; then
echo "$(date): Continuing with pre-existing snapshot $DEST/tmp"
elif [ -z "$newest" ]; then
@@
-164,7
+171,9
@@
if (( `id -u` != 0 )); then { echo "Sorry, must be root. Exiting..."; exit; } f
echo "$(date): BEGIN backup: $SRC -> $DEST"
echo "$(date): $0 $SRC $DEST $@"
do_init
echo "$(date): BEGIN backup: $SRC -> $DEST"
echo "$(date): $0 $SRC $DEST $@"
do_init
-do_prune
+do_prune 6 ""
+do_prune 4 "-weekly"
+do_prune $MONTHS "-monthly"
do_test
do_link
do_backup
do_test
do_link
do_backup