64 lines
2.0 KiB
Bash
Executable File
64 lines
2.0 KiB
Bash
Executable File
#! /bin/sh -
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# Depends on GNU tar, log.err
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############################### completion start ###############################
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options='--no-chattr --no-sudo'
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if [ -n "${COMP_LINE}" ] ; then
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if [ "${2#-}" = "${2}" ] ; then
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find "$(dirname -- "${2}")" -mindepth 1 -maxdepth 1 -path "$(dirname -- "${2}")/$(basename -- "${2}")*"
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else
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for option in $options ; do
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case "${option}" in
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"${2}"*) printf '%s\n' "${option}" ;;
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esac
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done
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fi
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exit
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fi
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################################ completion end ################################
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############################ argument parsing start ############################
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no_chattr=0
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no_sudo=0
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while : ; do
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case "${1}" in
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--no-chattr|-c) no_chattr=1 ;;
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--no-sudo|-s) no_sudo=1 ;;
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-*) log.err "Invalid option argument: '${1}'" ; exit 1 ;;
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*) break ;;
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esac
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shift
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done
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if [ "${#}" -eq "1" ] && [ -n "${1}" ]; then
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backupdir="${HOME}/backups"
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srcdir="${1}"
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elif [ "${#}" -eq "2" ] && [ -n "${1}" ] && [ -n "${2}" ] ; then
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backupdir="${1}"
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srcdir="${2}"
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else
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log.err "Usage: backup_dir [--no-chattr] [--no-sudo] [BACKUP_DIR] DIR"
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exit 1
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fi
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############################# argument parsing end #############################
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if [ "${no_sudo}" = "1" ] ; then
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sudo_cmd=""
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else
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sudo_cmd="sudo --"
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fi
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backupname="$(basename -- "$srcdir")"
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[ -d "${srcdir}" ] || { log.err "Directory '${srcdir}' does not exist" ; exit 2 ; }
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[ -d "${backupdir}" ] || mkdir -p -- "${backupdir}" || { log.err "Backup Directory '${backupdir}' couldn't be created" ; exit 3 ; }
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if [ -e "${backupdir}/${backupname}" ] && [ "${no_chattr}" = "0" ] ; then
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$sudo_cmd chattr -i "${backupdir}/${backupname}" || { log.err "Can't chattr -i '${backupdir}/${backupname}'" ; exit 4 ; }
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fi
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tar --backup=t -cvzf "${backupdir}/${backupname}" "${srcdir}" || { log.err "Can't tar --backup=t -cvzf '${backupdir}/${backupname}' '${srcdir}'" ; exit 5 ; }
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if [ "${no_chattr}" = "0" ] ; then
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$sudo_cmd find "${backupdir}" -mindepth 1 -exec chattr +i {} + || { log.err "Can't chattr +i some files" ; exit 6 ; }
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fi
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