124 lines
3.8 KiB
Bash
Executable file
124 lines
3.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -ex
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root" 1>&2
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sudo $0 $1 $2 $3 $4 $5 $6 $7 $8 $9
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exit 0
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fi
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echo "Als root Angemeldet"
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timetoday="$(date "+%Y%m%d-%H%M%S")"
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if [ "make" == "$1" ] || [ "add" == "$1" ] || [ "backup" == "$1" ] || [ "cp" == "$1" ] || [ "create" == "$1" ]; then
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while (( "$(expr $# - 1)" ))
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do
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pfad="${2}"
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echo "${timetoday}" > /btrfs-root/__current/${pfad}/SNAPSHOT
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echo "BACKUP" >> /btrfs-root/__current/${pfad}/SNAPSHOT
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cp /etc/fstab /etc/fstab.backup
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sed -i "s|__current/${pfad}|__snapshot/${pfad}@`head -n 1 /btrfs-root/__current/${pfad}/SNAPSHOT`|g;" /etc/fstab
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mkdir -p /btrfs-root/__snapshot/${pfad%/*}
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btrfs subvolume snapshot /btrfs-root/__current/${pfad} /btrfs-root/__snapshot/${pfad}@`head -n 1 /btrfs-root/__current/${pfad}/SNAPSHOT`
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#btrfs subvolume snapshot -r /btrfs-root/__current/${pfad} /btrfs-root/__snapshot/${pfad}@`head -n 1 /btrfs-root/__current/${pfad}/SNAPSHOT`
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#if ! [ "${pfad}" == "ROOT" ]; then
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# rm /btrfs-root/__current/${pfad}/SNAPSHOT
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#fi
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shift
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done
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#reset-fstab
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cp /etc/fstab.backup /etc/fstab
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kernel="initramfs-linux.img"
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linuz="vmlinuz-linux"
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kernelback="initramfs-linux-fallback.img"
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cp /boot/${kernel} /boot/backup_initramfs-linux.img
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cp /boot/${linuz} /boot/backup_vmlinuz-linux
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#stable-snapshot-boot
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#if [ -f "/boot/arch-uefi.conf.default" ]; then
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# kernel="initramfs-stable.img"
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# linuz="vmlinuz-stable"
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# sed "s|%LINUZ%|${linuz}|g;s|%KERNEL%|${kernel}|g;s|rootflags=subvol=__current/ROOT|rootflags=subvol=__snapshot/ROOT@`head -n 1 /btrfs-root/__current/ROOT/SNAPSHOT`|g" /boot/arch-uefi.conf.default > /boot/loader/entries/arch-uefi-stable.conf
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#fi
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echo "__snapshot/ROOT@`head -n 1 /btrfs-root/__current/ROOT/SNAPSHOT`" >> /etc/grub-snapshot
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grub-mkconfig -o /boot/grub/grub.cfg
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#if [ -f /btrfs-root/__current/ROOT/SNAPSHOT ]; then
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# rm /btrfs-root/__current/ROOT/SNAPSHOT
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#fi
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elif [ "restore" == "$1" ] || [ "remake" == "$1" ] || [ "mv" == "$1" ]; then
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while (( "$(expr $# - 1)" ))
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do
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pfad="${2}"
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if [ -d /btrfs-root/__current/${pfad/@*}.old ]; then
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btrfs subvolume delete /btrfs-root/__current/${pfad/@*}.old
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fi
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mv /btrfs-root/__current/${pfad/@*} /btrfs-root/__current/${pfad/@*}.old
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btrfs subvolume snapshot /btrfs-root/__snapshot/${pfad} /btrfs-root/__current/${pfad/@*}
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#only root for the fstab
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if [ "${pfad}" == "ROOT" ]; then
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cp /etc/fstab /btrfs-root/__current/${pfad/@*}/etc/fstab
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fi
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shift
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done
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btrfs subvolume list -p /
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#echo "Bitte noch die /etc/fstab editieren und die neuen IDs eintragen!!!"
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echo "Bitte damit die Änderungen wirksam werden das System neustarten!!!"
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#reboot
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elif [ "delete" == "$1" ] || [ "del" == "$1" ] || [ "rm" == "$1" ]; then
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while (( "$(expr $# - 1)" ))
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do
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pfad="${2}"
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if btrfs subvolume delete /btrfs-root/__snapshot/${pfad}\@* ;then
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echo "${pfad} erfolgreich gelöscht!!!"
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else
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echo "${pfad} konnte nicht gefunden werden!!!"
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fi
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shift
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done
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else
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echo "bash ./snapshot.sh PARAMETER PFAD"
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echo "Parameters: make restore"
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echo "make var/cache/pacman/pkg opt home ROOT"
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echo "restore ROOT@20170725-235544 home@20170725-235544 opt@20170725-235544 var/cache/pacman/pkg@20170725-235544"
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btrfs subvolume list -p /
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fi
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echo "Fertig !!!"
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