102 lines
2 KiB
Bash
Executable file
102 lines
2 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
|
|
set -o errexit
|
|
set -o nounset
|
|
set -o pipefail
|
|
|
|
opts=$(getopt --options r:m:b:l:c: --longoptions=root:,mapping:,boot-label:,main-label:,cryptmain-label: --name "$0" -- "$@")
|
|
|
|
eval set -- "$opts"
|
|
|
|
root=/mnt
|
|
mapping=main
|
|
bootlbl=BOOT
|
|
mainlbl=main
|
|
cryptmainlbl=cryptmain
|
|
while true; do
|
|
case "$1" in
|
|
-r | --root)
|
|
root=$2
|
|
shift 2
|
|
;;
|
|
-m | --mapping)
|
|
mapping=$2
|
|
shift 2
|
|
;;
|
|
-b | --boot-label)
|
|
bootlbl=${2^^}
|
|
shift 2
|
|
;;
|
|
-l | --main-label)
|
|
mainlbl=$2
|
|
shift 2
|
|
;;
|
|
-c | --cryptmain-label)
|
|
cryptmainlbl=$2
|
|
shift 2
|
|
;;
|
|
--)
|
|
shift
|
|
break
|
|
;;
|
|
esac
|
|
done
|
|
|
|
if [[ $# != 1 ]]; then
|
|
printf '%s\n' "$0: an argument specifying the block device is required" 1>&2
|
|
exit 1
|
|
fi
|
|
|
|
blkdev=$1
|
|
|
|
sfdisk --label gpt --quiet -- "$blkdev" <<EOF
|
|
,512M,U;
|
|
,,L;
|
|
EOF
|
|
|
|
parts=()
|
|
json=$(sfdisk --json -- "$blkdev")
|
|
while IFS= read -r k; do
|
|
parts+=("$(jq --argjson k "$k" --raw-output '.partitiontable.partitions[$k].node' <<<"$json")")
|
|
done < <(jq '.partitiontable.partitions | keys[]' <<<"$json")
|
|
|
|
bootfs="${parts[0]}"
|
|
mainblkdev="${parts[1]}"
|
|
|
|
mkfs.vfat -F 32 -n "$bootlbl" -- "$bootfs" >/dev/null
|
|
|
|
while true; do
|
|
read -r -p 'Do you want your main partition to be encrypted [y/N]? ' luks
|
|
case "$luks" in
|
|
[Yy]*)
|
|
while true; do
|
|
read -r -s -p 'Enter password: ' password
|
|
printf '\n'
|
|
read -r -s -p 'Re-enter password: ' repassword
|
|
printf '\n'
|
|
if [[ $password == "$repassword" ]]; then
|
|
break
|
|
fi
|
|
done
|
|
|
|
cryptsetup luksFormat --batch-mode --label "$cryptmainlbl" "$mainblkdev" <<<"$password"
|
|
cryptsetup open "$mainblkdev" "$mapping" <<<"$password"
|
|
|
|
mainfs=/dev/mapper/$mapping
|
|
break
|
|
;;
|
|
'' | [Nn]*)
|
|
mainfs=$mainblkdev
|
|
break
|
|
;;
|
|
*) printf 'Please answer with yes or no\n' 1>&2 ;;
|
|
esac
|
|
done
|
|
|
|
mkfs.ext4 -q -F -L "$mainlbl" -- "$mainfs"
|
|
mkdir --parents -- "$root"
|
|
mount --options noatime -- "$mainfs" "$root"
|
|
|
|
mkdir -- "$root/boot"
|
|
mount -- "$bootfs" "$root/boot"
|