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installer script: work in progress (7)

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This commit is contained in:
Daniel Langbein 2021-05-01 14:24:42 +02:00
parent 0f26bfbe69
commit cee4da2675
2 changed files with 61 additions and 3 deletions
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6
pkg/de-p1st-installer/de-p1st-installer.sh
View File

@ -160,8 +160,12 @@ function main() {
get_default_mount_options || return $?
choose_mount_options || return $?
partition "${TARGET_BLOCK_DEVICE}" "$BIOS_TYPE"
partition "${TARGET_BLOCK_DEVICE}" "$BIOS_TYPE" || return $?
format "$BIOS_TYPE" "${BOOT_PART}" "${LUKS_PART}" "${LUKS_PWD}" "${FS}" DATA_PART || return $?
# TODO: use FS_DEFAULT_MOUNT_OPTIONS and FS_MOUNT_OPTIONS in combination
mount "$DATA_PART" /mnt || return $?
mkdir /mnt/boot && mount "$BOOT_PART" /mnt/boot || return $?
}
main "$@"

58
pkg/de-p1st-installer/lib/block-device.sh
View File

@ -104,6 +104,60 @@ function partition() {
;;
esac
echo "boot partition: $BOOT_PART"
echo "luks partition: $LUKS_PART"
echo "boot partition: ${BOOT_PART}"
echo "luks partition: ${LUKS_PART}"
}
function format() {
# $1: uefi or bios
# $2: boot partition
# $3: luks partition
# $4: luks passphrase
# $5: FS for data partition (opened luks partition): BTRFS, EXT4 or F2FS
# $6: name of variable to store path to data partition (/dev/mapper/$(basename "$3"))
# return:
# -> boot partition formatted
# -> luks partition formatted and opened at /dev/mapper/$(basename "$3")
# -> variable with name $6 assigned to path to data partition
echo "Wiping old signatures from partitions ..."
wipefs "${2}" || return $?
wipefs "${3}" || return $?
echo "Formatting boot partition $2 ..."
mkfs.fat -F32 "$2" || return $?
echo "Creating encrypted luks partition $3 ..."
printf "%s" "$4" | cryptsetup luksFormat --type luks1 \
--cipher aes-xts-plain64 --key-size 512 --hash sha512 \
--iter-time 3500 --use-random "$3" || return $?
local luks_name
luks_name=$(basename "$3")
local -n data_part=$6 || return $?
data_part="/dev/mapper/${luks_name}"
# open luks partition
printf "%s" "$4" | cryptsetup luksOpen "$3" "${luks_name}" || return $?
echo "Formatting the data partition ${data_part} ..."
case "$5" in
BTRFS)
mkfs.btrfs "${data_part}" || return $?
;;
EXT4)
# archwiki -> Ext4#Enabling_metadata_checksums
mkfs.ext4 -O metadata_csum "${data_part}" || return $?
;;
F2FS)
# archwiki -> F2FS#Creating_a_F2FS_file_system
# - requires f2fs-tools
# - compression: "-O compression" and when mounting the filesystem, specify compress_algorithm=(lzo|lz4|zstd|lzo-rle)
mkfs.f2fs -O extra_attr,inode_checksum,sb_checksum,compression "${data_part}" || return $?
;;
*)
echo "Filesystem $5 is not yet supported!"
return 1
;;
esac
}