bashup/sbin/bashup-restore-files.sh
2022-07-16 15:25:51 -07:00

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#!/bin/bash
#
# Bashup - A set of bash scripts for managing backups.
# https://git.stack-source.com/msb/bashup
# MIT License Copyright (c) 2021 Matthew Saunders Brown
# load include file
source $(dirname $0)/bashup.sh
help()
{
thisfilename=$(basename -- "$0")
echo "Bashup - A set of bash scripts for managing backups."
echo "https://git.stack-source.com/msb/bashup"
echo "MIT License Copyright (c) 2021 Matthew Saunders Brown"
echo ""
echo "Restore file(s) from backup."
echo ""
echo "Usage: $thisfilename [-b BACKUPDATE] [-p PATH]"
echo ""
echo " -b BACKUPDATE Backup date/archive to restore from."
echo " -p PATH Path to file or directory to restore."
echo " -h Print this help."
echo " You will be prompted to select backup date and file"
echo " or directory if not specified on the command line"
echo " with the above options."
exit
}
# set any options that were passed
while getopts "b:p:h" opt; do
case "${opt}" in
h )
help
exit;;
b )
backup=${OPTARG}
;;
p )
pathtorestore=${OPTARG}
;;
\? )
echo "Invalid option: $OPTARG" 1>&2
exit 1;;
: )
echo "Invalid option: $OPTARG requires an argument" 1>&2
exit 1;;
esac
done
bashup::set_existing_backups
# prompt if backup was not set on command line
if [ -z "$backup" ] ; then
# select backup to restore from
PS3="Select number of backup to restore from: "
existing_backups_len=${#existing_backups[@]}
select backup in ${existing_backups[@]}
do
if [[ $REPLY -gt 0 ]] && [[ $REPLY -le $existing_backups_len ]]; then
echo $backup
break
else
echo "ERROR: Invalid entry, try again."
fi
done
fi
# set path to file or directory to restore
if [ -z "$pathtorestore" ] ; then
if [ -d $backup_storage_dir/$backup/files ]; then
# select backup file or directory to restore
PS3="Select number of backup directory to restore from: "
backup_dirs_len=${#backup_dirs[@]}
select backup_dir in ${backup_dirs[@]}
do
if [[ $REPLY -gt 0 ]] && [[ $REPLY -le $backup_dirs_len ]]; then
echo "Complete path to specific file or directory to restore."
read -e -p "Just press enter to recursively restore entire dir: " -i $backup_storage_dir/$backup/files$backup_dir pathtobackup
pathtorestore=${pathtobackup#"$backup_storage_dir/$backup/files"}
break
else
echo "ERROR: Invalid entry, try again."
fi
done
else
echo "ERROR: Backup dir for $backup/files/ does not exist."
exit 1
fi
else
pathtobackup="$backup_storage_dir/$backup/files$pathtorestore"
fi
if [ -d $pathtobackup ]; then
# restore is a direcotry, make sure paths end in a slash (/) for proper rsync
if [[ ! "$pathtobackup" == */ ]]; then
pathtobackup="$pathtobackup/"
fi
if [[ ! "$pathtorestore" == */ ]]; then
pathtorestore="$pathtorestore/"
fi
elif [ ! -f $pathtobackup ]; then
# restore is not a file nor a direcotry, does not exist
echo "ERROR: Backup file/directory ($pathtobackup) does not exist."
exit 1
fi
# make sure parent dir of destination exists
if [ ! -d $(/usr/bin/dirname $pathtorestore) ]; then
echo "ERROR: Parent directory missing for restore location."
exit 1
fi
# make sure pathtorestore is for a file/dir *within* one of the backup_dirs
verify_back_dir=FALSE
for dir in "${backup_dirs[@]}"; do
if [[ $pathtorestore == $dir ]] || [[ $pathtorestore == $dir* ]]; then
verify_back_dir=TRUE
fi
done
if [[ $verify_back_dir == FALSE ]]; then
echo "ERROR: File or directory to restore does not exist within one of the backed up directories."
exit 1
fi
# perform restore
echo "Running:"
echo "/usr/bin/rsync -v --archive --numeric-ids --one-file-system --delete $pathtobackup $pathtorestore"
/usr/bin/rsync -v --archive --numeric-ids --one-file-system --delete $pathtobackup $pathtorestore
bashup::unmount_storage_dir
exit 0