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#!/bin/bash
set -e
host=${HOST:-$HOSTNAME}
test -n "$host"
dev=$1
dev_basename=${dev##*/}
outfile="$HOME/$host-${dev_basename}-luks-header.bak"
test -n "$dev_basename"
cryptsetup --header-backup-file="$outfile" luksHeaderBackup $dev
gpg --batch -r 0x6D1655C14CE1C13E -e "$outfile"
rm "$outfile"
chown flo:users "$outfile.gpg"
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