103 lines
2.2 KiB
Bash
103 lines
2.2 KiB
Bash
#!/bin/bash
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BACKUP_LIST="$(readlink -e ~/)/.backup.lst"
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if [ -n "$BACKUP_LIST" ]
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then
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touch $BACKUP_LIST
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fi
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add() {
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local add_to_backup=$(readlink -m "$OPTARG")
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touch $BACKUP_LIST || exit
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if ! grep -Fxq $add_to_backup $BACKUP_LIST
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then
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echo $add_to_backup >> $BACKUP_LIST
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fi
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}
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remove() {
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grep -v $(readlink -m "$OPTARG") $BACKUP_LIST > remove; mv remove $BACKUP_LIST
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find $BACKUP_LIST -size 0 -delete
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}
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backup() {
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local current_time=`date '+%Y-%m-%d-%H-%M-%S'`
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local latest_backup_date="$(readlink -e ~/)/.latest_backup_date"
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local rsync_path="mkdir -p $REMOTE_OR_LOCAL_DEST && rsync"
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if [ -n "$1" ] && [ -s "$latest_backup_date" ]
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then
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local latest_backup="$BACKUP_PATH/$(cat $latest_backup_date)"
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rsync -Rrtu / --rsync-path="$rsync_path" --compare-dest="$latest_backup" --files-from="$BACKUP_LIST" "$BACKUP_PATH/$current_time"
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else
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rsync -Rrt / --rsync-path="$rsync_path" --files-from="$BACKUP_LIST" "$BACKUP_PATH/$current_time"
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fi
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echo "$current_time" > "$latest_backup_date"
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}
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do_backup() {
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if [ -n "$DO_UPDATED_BACKUP" ]
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then
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backup true
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else
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backup
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fi
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}
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help() {
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local AUTHOR=$'Author: \u2605 Patryk Zdunowski\u2605'
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local DESC="Description: Simple script for backup your data."
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local OPTIONS="
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* -a - add new file to defined backup list
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* -r - remove file from defined list
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* -b - send defined files to remote server / local folder
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* -u - update defined files which has differences against latest created backup
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* -h - help
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"
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echo "$AUTHOR"
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echo $DESC
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printf "$OPTIONS"
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}
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while getopts "a:r:b:uh" opt; do
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case $opt in
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a)
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add
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;;
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r)
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remove
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;;
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b)
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#check if backup path from remote server (bad but only for student project)
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if [[ $OPTARG == *[:]* ]]
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then
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BACKUP_PATH=$OPTARG
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REMOTE_OR_LOCAL_DEST=$(echo $OPTARG | cut -f2 -d:)
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else
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BACKUP_PATH=$(readlink -m "$OPTARG")
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REMOTE_OR_LOCAL_DEST=$BACKUP_PATH
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mkdir -p $REMOTE_OR_LOCAL_DEST
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fi
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;;
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u)
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DO_UPDATED_BACKUP=true
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;;
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h)
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SHOW_HELP=true
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;;
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esac
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done
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if [ -n "$BACKUP_PATH" ]
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then
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do_backup
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fi
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if [ -n "$SHOW_HELP" ]
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then
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help
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fi
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