52 lines
1.4 KiB
Plaintext
52 lines
1.4 KiB
Plaintext
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#!/bin/bash
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mirror_rootfs () {
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[[ ! $(command -v rsync) ]] && { echo rsync must be installed to use this function; return 5; }
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dr="--dry-run"
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dest=$(realpath -s $1)
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rootfs=$(realpath -s "${2:-/}")
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[ ! -d "$dest" ] && echo destination $dest is not a directory && return 3
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[ ! -d "$rootfs/etc" ] && echo not root filesystem at $rootfs && return 3
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echo making mirror of root filesystem to
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rfse=rootfs_excludes
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if sudo rsync -axHAWXS $dr --numeric-ids --delete --delete-excluded --force --exclude-from="$(rootfs_excludles)" / /mnt/adrive/nas/@rootfs; then
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echo making mirror of boot partition to /mnt/adrive/nas/@rootfs
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if sudo rsync -axHAWXS $dr --numeric-ids --force --delete /boot/ /mnt/adrive/nas/@boot; then
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echo doit
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else
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echo unable to sync a copy of /boot, aborted backup
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fi
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else
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echo unable to sync a copy of root file system, backkup failed
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fi
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}
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rootfs_excludes () {
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local list; local delete
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[[ $1 == "-l" ]] && list=true && shift
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[[ $1 == "-r" ]] && delete=true && shift
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[[ "$1" == "-"* ]] && >&2 echo bad option, aborting && return 1
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rfse=${1:-/tmp/rootfs_excludes.lst}
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[[ $delete ]] && rm $rfse
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cat <<EOF > $rfse
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.[Tt]rash*
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tmp/
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cache/
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log/
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log[s]/
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lost+found
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EOF
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if [[ $list ]];then
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cat $rfse; rm -f $rfse
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else
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echo $rfse
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fi
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}
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mountpoints () {
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cat /proc/mounts | cut -d ' ' -f2 | sort
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}
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