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https://codeberg.org/privacy1st/arch
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installer script: work in progress (10)
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@ -32,7 +32,7 @@ function increase_cow_space() {
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}
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function get_user_input() {
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# return: the following variables:
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# @post
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# BIOS_TYPE (uefi or bios)
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# KERNEL (linux or linux-lts)
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# FS (BTRFS, EXT4, F2FS)
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@ -74,7 +74,7 @@ function get_user_input() {
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}
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function get_cpu_vendor() {
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# return: the following variables:
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# @post
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# CPU_VENDOR ("amd", "intel", "none")
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if [ -z "${CPU_VENDOR}" ]; then
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@ -95,7 +95,9 @@ function get_cpu_vendor() {
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}
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function get_default_mount_options() {
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# return: the following variables:
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# @pre
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# FS
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# @post
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# FS_DEFAULT_MOUNT_OPTIONS (array)
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FS_DEFAULT_MOUNT_OPTIONS=()
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@ -124,7 +126,9 @@ function get_default_mount_options() {
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}
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function choose_mount_options() {
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# return: the following variables:
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# @pre
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# FS
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# @post
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# FS_CHOSEN_MOUNT_OPTIONS (array)
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case "${FS}" in
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@ -153,6 +157,11 @@ function choose_mount_options() {
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}
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function run_pacstrap() {
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# @pre
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# BIOS_TYPE
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# KERNEL
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# CPU_VENDOR
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# TODO: intel/amd/none CPU_VENDOR
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case "${BIOS_TYPE}" in
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@ -171,6 +180,9 @@ function run_pacstrap() {
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}
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function run_genfstab() {
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# @pre
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# FS
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local fstab
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fstab="$(genfstab -U /mnt)"
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@ -200,15 +212,30 @@ function run_genfstab() {
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}
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function main() {
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# @pre
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# bash libraries imported
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# @post
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# installation finished
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check_network || return $?
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# out: BIOS_TYPE, KERNEL, FS, HOSTNAME, USERNAME, USER_PWD, LUKS_PWD
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get_user_input || return $?
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# out: CPU_VENDOR
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get_cpu_vendor || return $?
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# in: FS
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# out: FS_DEFAULT_MOUNT_OPTIONS
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get_default_mount_options || return $?
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# in: FS
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# out: FS_CHOSEN_MOUNT_OPTIONS
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choose_mount_options || return $?
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partition "${TARGET_BLOCK_DEVICE}" "$BIOS_TYPE" || return $?
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format "$BIOS_TYPE" "${BOOT_PART}" "${LUKS_PART}" "${LUKS_PWD}" "${FS}" DATA_PART || return $?
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# in: TARGET_BLOCK_DEVICE, BIOS_TYPE
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# out: BOOT_PART, LUKS_PART
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partition || return $?
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# in: BIOS_TYPE, BOOT_PART, LUKS_PART, LUKS_PWD, FS
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# out: DATA_PART
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format || return $?
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# Combine default and chosen mount options
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TMP1=("${FS_DEFAULT_MOUNT_OPTIONS[@]}" "${FS_CHOSEN_MOUNT_OPTIONS[@]}") || return $?
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@ -224,6 +251,7 @@ function main() {
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run_pacstrap || return $?
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run_genfstab || return $?
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echo "${HOSTNAME}" >/mnt/etc/hostname || return $?
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}
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@ -3,6 +3,8 @@
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HOSTNAME=yodaTest
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USERNAME=arch
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# one should rather enter these interactively than saving in this cfg
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USER_PWD=test
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LUKS_PWD=test
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@ -8,8 +8,8 @@
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# -x, --sort column
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function get_partitions(){
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# $1 block-device
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# return: the following variables:
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# arg $1: block-device
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# @post
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# PARTITIONS (array with one partition per entry)
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# Remove first line of output (which is just the block device $1 itself)
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@ -20,7 +20,7 @@ function get_partitions(){
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}
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function get_block_devices() {
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# return: the following variables:
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# @post
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# BLOCK_DEVICES (array with one entry for each block device)
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# Get list of devices, one per line
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@ -30,7 +30,7 @@ function get_block_devices() {
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}
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function get_block_devices_with_size() {
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# return: the following variables:
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# @post
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# BLOCK_DEVICE_SIZES (array with two entries for each block device: device path and device size)
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# Get list of devices and their sizes, one pair per line
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@ -43,18 +43,12 @@ function get_block_devices_with_size() {
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function partition() {
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# $1: target block device
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# $2: uefi or bios
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if [ "$#" -ne 2 ]; then
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echo "partition requires two args!";
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return 1
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fi
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for i in "$@"; do
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if [ -z "$i" ]; then
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echo "partition: all given args must not be empty";
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return 1;
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fi
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done
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# @pre
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# TARGET_BLOCK_DEVICE
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# BIOS_TYPE
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# @post
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# BOOT_PART
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# LUKS_PART
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# if BOOT_PART_SIZE not given, set to default value
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BOOT_PART_SIZE="${BOOT_PART_SIZE:='261'}"
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@ -66,18 +60,18 @@ function partition() {
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# As our data partition is encrypted,
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# we need a separate boot partition!
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case "$2" in
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case "${BIOS_TYPE}" in
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uefi)
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# EFI boot partition
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#
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# Create a partition with fat32 as the file system type and set the
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# esp flag on it.
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parted --script "$1" -- mklabel gpt \
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parted --script "${TARGET_BLOCK_DEVICE}" -- mklabel gpt \
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mkpart ESP fat32 2Mib "${BOOT_PART_SIZE}MiB" \
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set 1 esp on \
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mkpart primary "${BOOT_PART_SIZE}MiB" 100% || return $?
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get_partitions "$1" || return $?
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get_partitions "${TARGET_BLOCK_DEVICE}" || return $?
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BOOT_PART="${PARTITIONS[0]}"
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LUKS_PART="${PARTITIONS[1]}"
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;;
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@ -88,18 +82,18 @@ function partition() {
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#
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# archwiki -> GRUB#GUID_Partition_Table_(GPT)_specific_instructions
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# https://www.gnu.org/software/grub/manual/grub/html_node/BIOS-installation.html#BIOS-installation
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parted --script "$1" -- mklabel gpt \
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parted --script "${TARGET_BLOCK_DEVICE}" -- mklabel gpt \
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mkpart primary 1MiB 2MiB \
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set 1 bios_grub on \
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mkpart primary 2MiB "${BOOT_PART_SIZE}MiB" \
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mkpart primary "${BOOT_PART_SIZE}MiB" 100% || return $?
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get_partitions "$1" || return $?
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get_partitions "${TARGET_BLOCK_DEVICE}" || return $?
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BOOT_PART="${PARTITIONS[2]}"
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LUKS_PART="${PARTITIONS[3]}"
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;;
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*)
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echo "Expected uefi or bios but got $2 instead!"
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echo "Expected uefi or bios but got ${BIOS_TYPE} instead!"
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return 1
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;;
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esac
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@ -109,54 +103,53 @@ function partition() {
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}
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function format() {
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# $1: uefi or bios
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# $2: boot partition
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# $3: luks partition
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# $4: luks passphrase
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# $5: FS for data partition (opened luks partition): BTRFS, EXT4 or F2FS
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# $6: name of variable to store path to data partition (/dev/mapper/$(basename "$3"))
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# return:
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# -> boot partition formatted
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# -> luks partition formatted and opened at /dev/mapper/$(basename "$3")
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# -> variable with name $6 assigned to path to data partition
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# @pre
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# BIOS_TYPE
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# BOOT_PART
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# LUKS_PART
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# LUKS_PWD
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# FS
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# @post
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# DATA_PART (variable set with value /dev/mapper/$(basename "${LUKS_PART}")
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# boot partition formatted
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# luks partition formatted and opened at DATA_PART
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echo "Wiping old signatures from partitions ..."
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wipefs "${2}" || return $?
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wipefs "${3}" || return $?
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wipefs "${BOOT_PART}" || return $?
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wipefs "${LUKS_PART}" || return $?
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echo "Formatting boot partition $2 ..."
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mkfs.fat -F32 "$2" || return $?
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echo "Formatting boot partition ${BOOT_PART} ..."
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mkfs.fat -F32 "${BOOT_PART}" || return $?
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echo "Creating encrypted luks partition $3 ..."
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printf "%s" "$4" | cryptsetup luksFormat --type luks1 \
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echo "Creating encrypted luks partition ${LUKS_PART} ..."
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printf "%s" "${LUKS_PWD}" | cryptsetup luksFormat --type luks1 \
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--cipher aes-xts-plain64 --key-size 512 --hash sha512 \
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--iter-time 3500 --use-random "$3" || return $?
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--iter-time 10000 --use-random "${LUKS_PART}" || return $?
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local luks_name
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luks_name=$(basename "$3")
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local -n data_part=$6 || return $?
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data_part="/dev/mapper/${luks_name}"
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luks_name=$(basename "${LUKS_PART}")
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DATA_PART="/dev/mapper/${luks_name}"
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# open luks partition
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printf "%s" "$4" | cryptsetup luksOpen "$3" "${luks_name}" || return $?
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printf "%s" "${LUKS_PWD}" | cryptsetup luksOpen "${LUKS_PART}" "${luks_name}" || return $?
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echo "Formatting the data partition ${data_part} ..."
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case "$5" in
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echo "Formatting the data partition ${DATA_PART} ..."
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case "${FS}" in
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BTRFS)
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mkfs.btrfs "${data_part}" || return $?
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mkfs.btrfs "${DATA_PART}" || return $?
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;;
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EXT4)
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# archwiki -> Ext4#Enabling_metadata_checksums
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mkfs.ext4 -O metadata_csum "${data_part}" || return $?
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mkfs.ext4 -O metadata_csum "${DATA_PART}" || return $?
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;;
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F2FS)
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# archwiki -> F2FS#Creating_a_F2FS_file_system
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# - requires f2fs-tools
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# - compression: "-O compression" and when mounting the filesystem, specify compress_algorithm=(lzo|lz4|zstd|lzo-rle)
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mkfs.f2fs -O extra_attr,inode_checksum,sb_checksum,compression "${data_part}" || return $?
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mkfs.f2fs -O extra_attr,inode_checksum,sb_checksum,compression "${DATA_PART}" || return $?
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;;
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*)
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echo "Filesystem $5 is not yet supported!"
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echo "Filesystem ${FS} is not yet supported!"
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return 1
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;;
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esac
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@ -3,8 +3,8 @@ function get_text_input {
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# Only one line user input is allowed.
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# User input must not be empty.
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#
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# $1: name of variable to store user input
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# $2: text to display (e.g. "Enter hostname:")
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# arg $1: name of variable to store user input
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# arg $2: text to display (e.g. "Enter hostname:")
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if [ "$#" -ne 2 ]; then
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echo "get_text_input requires two args!";
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return 1
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@ -33,9 +33,9 @@ function get_text_input {
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function get_single_choice {
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# If variable with name $1 is zero, then ask user to select one option.
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#
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# $1: name of variable to store the selected option
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# $2: text to display
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# $3: name of variable with array of options to display (for each option there must be two entries in the array: Item and description)
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# arg $1: name of variable to store the selected option
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# arg $2: text to display
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# arg $3: name of variable with array of options to display (for each option there must be two entries in the array: Item and description)
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if [ "$#" -ne 3 ]; then
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echo "get_single_choice requires three args!";
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return 1
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@ -64,9 +64,9 @@ function get_single_choice {
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function get_multi_choice {
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# If variable with name $1 is zero, then ask user to select one ore more options.
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#
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# $1: name of variable to store array of selected options
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# $2: text to display
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# $3: name of variable with array of options to display (for each option there must be three entries in the array: Item, description, on/off)
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# arg $1: name of variable to store array of selected options
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# arg $2: text to display
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# arg $3: name of variable with array of options to display (for each option there must be three entries in the array: Item, description, on/off)
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if [ "$#" -ne 3 ]; then
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echo "get_multi_choice requires three args!";
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return 1
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@ -1,8 +1,9 @@
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function join_by() {
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# Join array elements with character $1
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# $1: delimiter
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# $2: name of source array
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# $3: variable name to store result
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#
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# arg $1: delimiter
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# arg $2: name of source array
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# arg $3: variable name to store result
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local -n ptr=$2 || return $?
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local -n ptr2=$3 || return $?
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@ -12,7 +13,8 @@ function join_by() {
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function newline_to_space() {
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# Replaces all newlines with spaces
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# $1: name of variable
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#
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# arg $1: name of variable
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local -n ptr=$1 || return $?
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# Replace newlines with spaces
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@ -27,8 +29,8 @@ function newline_separated_to_array() {
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# Watch out for tailing newlines as these will get an empty array entry at the end.
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# $1 and $2 can be equal (if the result shall be written to the input variable)
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#
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# $1: name of variable with newline separated list
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# $2: name of array to store values into
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# arg $1: name of variable with newline separated list
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# arg $2: name of array to store values into
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local -n ptr=$1 || return $?
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local -n ptr2=$2 || return $?
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@ -38,8 +40,8 @@ function newline_separated_to_array() {
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}
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function space_separated_to_array() {
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# $1: name of variable with space separated list
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# $2: name of array to store values into
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# arg $1: name of variable with space separated list
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# arg $2: name of array to store values into
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local -n ptr=$1 || return $?
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local -n ptr2=$2 || return $?
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