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49 lines
1.0 KiB
49 lines
1.0 KiB
7 years ago
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#!/bin/bash
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sudo echo ">>> Initialising"
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PREFIX=$2
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if [[ ! "$PREFIX" == "" ]]; then
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PREFIX=$2-
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fi
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if [[ `id -u` == 0 ]]; then
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echo "WARNING: Running as root? This might not be what you want..."
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fi
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ROOT=~/.backups/disk
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if [[ ! -d $ROOT ]]; then
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mkdir -p $ROOT
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fi
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if stat "$1"; then
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OUTPUT=$ROOT/$PREFIX`basename $1`-`date +%Y-%m-%d-%H%M%S`.disk
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sudo umount "$1" &> /dev/null
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echo ">>> Will backup disk '$1' to file $OUTPUT"
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read -p "Is this okay (y/N)? " -n 1 -r
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echo
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if [[ $REPLY =~ ^[Yy]$ ]]; then
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set -e
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set -o pipefail
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if sudo dd "if=$1" conv=sync,noerror status=progress | gzip -9 -c | openssl aes-192-cbc -salt -e > $OUTPUT; then
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echo ">>> Calculating hash"
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sha256sum $OUTPUT > $OUTPUT.sha256
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echo ">>> Signing image"
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gpg --detach-sign -o $OUTPUT.sig $OUTPUT
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echo ">>> Setting permissions"
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sudo chmod 0444 $OUTPUT
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sudo chmod 0444 $OUTPUT.sha256
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sudo chmod 0444 $OUTPUT.sig
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echo ">>> Done"
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else
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echo "ERROR - Stopping"
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fi
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else
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echo "Doing nothing"
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fi
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else
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echo "ERROR - File not found"
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fi
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