manjaro-architect/bin/btrfs-subvol-functions.in

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# !/bin/bash
#
# Architect Installation Framework (2016-2017)
#
# Written by Carl Duff and @mandog for Archlinux
# Heavily modified and re-written by @Chrysostomus to install Manjaro instead
# Contributors: @papajoker, @oberon and the Manjaro-Community.
#
# This program is free software, provided under the GNU General Public License
# as published by the Free Software Foundation. So feel free to copy, distribute,
# or modify it as you wish.
# scan and update btrfs devices
btrfs_scan(){
btrfs device scan >/dev/null 2>&1
}
# mount btrfs for checks
mount_btrfs(){
btrfs_scan
BTRFSMP="$(mktemp -d /tmp/brtfsmp.XXXX)"
mount ${PART} ${BTRFSMP}
}
# unmount btrfs after checks done
umount_btrfs(){
umount ${BTRFSMP}
rm -r ${BTRFSMP}
}
# Set BTRFS_DEVICES on detected btrfs devices
find_btrfs_raid_devices(){
btrfs_scan
if [[ "${DETECT_CREATE_FILESYSTEM}" = "no" && "${FSTYPE}" = "btrfs" ]]; then
for i in $(btrfs filesystem show ${PART} | cut -d " " -f 11); do
BTRFS_DEVICES="${BTRFS_DEVICES}#${i}"
done
fi
}
find_btrfs_raid_bootloader_devices(){
btrfs_scan
BTRFS_COUNT=1
if [[ "$(${_BLKID} -p -i ${bootdev} -o value -s TYPE)" = "btrfs" ]]; then
BTRFS_DEVICES=""
for i in $(btrfs filesystem show ${bootdev} | cut -d " " -f 11); do
BTRFS_DEVICES="${BTRFS_DEVICES}#${i}"
BTRFS_COUNT=$((${BTRFS_COUNT}+1))
done
fi
}
# find btrfs subvolume
find_btrfs_subvolume(){
if [[ "${DETECT_CREATE_FILESYSTEM}" = "no" ]]; then
# existing btrfs subvolumes
mount_btrfs
for i in $(btrfs subvolume list ${BTRFSMP} | cut -d " " -f 7); do
echo ${i}
[[ "${1}" ]] && echo ${1}
done
umount_btrfs
fi
}
find_btrfs_bootloader_subvolume(){
BTRFS_SUBVOLUME_COUNT=1
if [[ "$(${_BLKID} -p -i ${bootdev} -o value -s TYPE)" = "btrfs" ]]; then
BTRFS_SUBVOLUMES=""
PART="${bootdev}"
mount_btrfs
for i in $(btrfs subvolume list ${BTRFSMP} | cut -d " " -f 7); do
BTRFS_SUBVOLUMES="${BTRFS_SUBVOLUMES}#${i}"
BTRFS_SUBVOLUME_COUNT=$((${BTRFS_COUNT}+1))
done
umount_btrfs
fi
}
# subvolumes already in use
subvolumes_in_use(){
SUBVOLUME_IN_USE=""
for i in $(grep ${PART}[:#] /tmp/.parts); do
if [[ "$(echo ${i} | grep ":btrfs:")" ]]; then
SUBVOLUME_IN_USE="${SUBVOLUME_IN_USE} $(echo ${i} | cut -d: -f 9)"
fi
done
}
# ask for btrfs compress option
btrfs_compress(){
BTRFS_COMPRESS="NONE"
BTRFS_COMPRESSLEVELS="lzo - zlib -"
if [[ "${BTRFS_SUBVOLUME}" = "NONE" ]]; then
DIALOG --defaultno --yesno "Would you like to compress the data on ${PART}?" 0 0 && BTRFS_COMPRESS="compress"
else
DIALOG --defaultno --yesno "Would you like to compress the data on ${PART} subvolume=${BTRFS_SUBVOLUME}?" 0 0 && BTRFS_COMPRESS="compress"
fi
if [[ "${BTRFS_COMPRESS}" = "compress" ]]; then
DIALOG --menu "Select the compression method you want to use" 21 50 9 ${BTRFS_COMPRESSLEVELS} 2>${ANSWER} || return 1
BTRFS_COMPRESS="compress=$(cat ${ANSWER})"
fi
}
# ask for btrfs ssd option
btrfs_ssd(){
BTRFS_SSD="NONE"
if [[ "${BTRFS_SUBVOLUME}" = "NONE" ]]; then
DIALOG --defaultno --yesno "Would you like to optimize the data for ssd disk usage on ${PART}?" 0 0 && BTRFS_SSD="ssd"
else
DIALOG --defaultno --yesno "Would you like to optimize the data for ssd disk usage on ${PART} subvolume=${BTRFS_SUBVOLUME}?" 0 0 && BTRFS_SSD="ssd"
fi
}
# values that are only needed for btrfs creation
clear_btrfs_values(){
: >/tmp/.btrfs-devices
LABEL_NAME=""
FS_OPTIONS=""
BTRFS_DEVICES=""
BTRFS_LEVEL=""
}
# do not ask for btrfs filesystem creation, if already prepared for creation!
check_btrfs_filesystem_creation(){
DETECT_CREATE_FILESYSTEM="no"
SKIP_FILESYSTEM="no"
SKIP_ASK_SUBVOLUME="no"
for i in $(grep ${PART}[:#] /tmp/.parts); do
if [[ "$(echo ${i} | grep ":btrfs:")" ]]; then
FSTYPE="btrfs"
SKIP_FILESYSTEM="yes"
# check on filesystem creation, skip subvolume asking then!
[[ "$(echo ${i} | cut -d: -f 4 | grep yes)" ]] && DETECT_CREATE_FILESYSTEM="yes"
[[ "${DETECT_CREATE_FILESYSTEM}" = "yes" ]] && SKIP_ASK_SUBVOLUME="yes"
fi
done
}
# remove devices with no subvolume from list and generate raid device list
btrfs_parts(){
if [[ -s /tmp/.btrfs-devices ]]; then
BTRFS_DEVICES=""
for i in $(cat /tmp/.btrfs-devices); do
BTRFS_DEVICES="${BTRFS_DEVICES}#${i}"
# remove device if no subvolume is used!
[[ "${BTRFS_SUBVOLUME}" = "NONE" ]] && PARTS="$(echo ${PARTS} | sed -e "s#${i}\ _##g")"
done
else
[[ "${BTRFS_SUBVOLUME}" = "NONE" ]] && PARTS="$(echo ${PARTS} | sed -e "s#${PART}\ _##g")"
fi
}
# choose raid level to use on btrfs device
btrfs_raid_level(){
BTRFS_RAIDLEVELS="NONE - raid0 - raid1 - raid10 - single -"
BTRFS_RAID_FINISH=""
BTRFS_LEVEL=""
BTRFS_DEVICE="${PART}"
: >/tmp/.btrfs-devices
DIALOG --msgbox "BTRFS RAID OPTIONS:\n\nBTRFS has options to control the raid configuration for data and metadata.\nValid choices are raid0, raid1, raid10 and single.\nsingle means that no duplication of metadata is done, which may be desired when using hardware raid. raid10 requires at least 4 devices.\n\nIf you don't need this feature select NONE." 0 0
while [[ "${BTRFS_RAID_FINISH}" != "DONE" ]]; do
DIALOG --menu "Select the raid level you want to use" 21 50 9 ${BTRFS_RAIDLEVELS} 2>${ANSWER} || return 1
BTRFS_LEVEL=$(cat ${ANSWER})
if [[ "${BTRFS_LEVEL}" = "NONE" ]]; then
echo "${BTRFS_DEVICE}" >>/tmp/.btrfs-devices
break
else
# take selected device as 1st device, add additional devices in part below.
select_btrfs_raid_devices
fi
done
}
# select btrfs raid devices
select_btrfs_raid_devices (){
# show all devices with sizes
# DIALOG --msgbox "DISKS:\n$(_getavaildisks)\n\nPARTITIONS:\n$(_getavailpartitions)" 0 0
# select the second device to use, no missing option available!
: >/tmp/.btrfs-devices
BTRFS_PART="${BTRFS_DEVICE}"
BTRFS_PARTS="${PARTS}"
echo "${BTRFS_PART}" >>/tmp/.btrfs-devices
BTRFS_PARTS="$(echo ${BTRFS_PARTS} | sed -e "s#${BTRFS_PART}\ _##g")"
RAIDNUMBER=2
DIALOG --menu "Select device ${RAIDNUMBER}" 21 50 13 ${BTRFS_PARTS} 2>${ANSWER} || return 1
BTRFS_PART=$(cat ${ANSWER})
echo "${BTRFS_PART}" >>/tmp/.btrfs-devices
while [[ "${BTRFS_PART}" != "DONE" ]]; do
BTRFS_DONE=""
RAIDNUMBER=$((${RAIDNUMBER} + 1))
# RAID10 need 4 devices!
[[ "${RAIDNUMBER}" -ge 3 && ! "${BTRFS_LEVEL}" = "raid10" ]] && BTRFS_DONE="DONE _"
[[ "${RAIDNUMBER}" -ge 5 && "${BTRFS_LEVEL}" = "raid10" ]] && BTRFS_DONE="DONE _"
# clean loop from used partition and options
BTRFS_PARTS="$(echo ${BTRFS_PARTS} | sed -e "s#${BTRFS_PART}\ _##g")"
# add more devices
DIALOG --menu "Select device ${RAIDNUMBER}" 21 50 13 ${BTRFS_PARTS} ${BTRFS_DONE} 2>${ANSWER} || return 1
BTRFS_PART=$(cat ${ANSWER})
[[ "${BTRFS_PART}" = "DONE" ]] && break
echo "${BTRFS_PART}" >>/tmp/.btrfs-devices
done
# final step ask if everything is ok?
DIALOG --yesno "Would you like to create btrfs raid like this?\n\nLEVEL:\n${BTRFS_LEVEL}\n\nDEVICES:\n$(for i in $(cat /tmp/.btrfs-devices); do echo "${i}\n"; done)" 0 0 && BTRFS_RAID_FINISH="DONE"
}
# prepare new btrfs device
prepare_btrfs(){
btrfs_raid_level || return 1
prepare_btrfs_subvolume || return 1
}
# prepare btrfs subvolume
prepare_btrfs_subvolume(){
DOSUBVOLUME="no"
BTRFS_SUBVOLUME="NONE"
if [[ "${SKIP_ASK_SUBVOLUME}" = "no" ]]; then
DIALOG --defaultno --yesno "Would you like to create a new subvolume on ${PART}?" 0 0 && DOSUBVOLUME="yes"
else
DOSUBVOLUME="yes"
fi
if [[ "${DOSUBVOLUME}" = "yes" ]]; then
BTRFS_SUBVOLUME="NONE"
while [[ "${BTRFS_SUBVOLUME}" = "NONE" ]]; do
DIALOG --inputbox "Enter the SUBVOLUME name for the device, keep it short\nand use no spaces or special\ncharacters." 10 65 2>${ANSWER} || return 1
BTRFS_SUBVOLUME=$(cat ${ANSWER})
check_btrfs_subvolume
done
else
BTRFS_SUBVOLUME="NONE"
fi
}
# check btrfs subvolume
check_btrfs_subvolume(){
[[ "${DOMKFS}" = "yes" && "${FSTYPE}" = "btrfs" ]] && DETECT_CREATE_FILESYSTEM="yes"
if [[ "${DETECT_CREATE_FILESYSTEM}" = "no" ]]; then
mount_btrfs
for i in $(btrfs subvolume list ${BTRFSMP} | cut -d " " -f 7); do
if [[ "$(echo ${i} | grep "${BTRFS_SUBVOLUME}"$)" ]]; then
DIALOG --msgbox "ERROR: You have defined 2 identical SUBVOLUME names or an empty name! Please enter another name." 8 65
BTRFS_SUBVOLUME="NONE"
fi
done
umount_btrfs
else
subvolumes_in_use
if [[ "$(echo ${SUBVOLUME_IN_USE} | egrep "${BTRFS_SUBVOLUME}")" ]]; then
DIALOG --msgbox "ERROR: You have defined 2 identical SUBVOLUME names or an empty name! Please enter another name." 8 65
BTRFS_SUBVOLUME="NONE"
fi
fi
}
# create btrfs subvolume
create_btrfs_subvolume(){
mount_btrfs
btrfs subvolume create ${BTRFSMP}/${_btrfssubvolume} >${LOG}
# change permission from 700 to 755
# to avoid warnings during package installation
chmod 755 ${BTRFSMP}/${_btrfssubvolume}
umount_btrfs
}
# choose btrfs subvolume from list
choose_btrfs_subvolume (){
BTRFS_SUBVOLUME="NONE"
SUBVOLUMES_DETECTED="no"
SUBVOLUMES=$(find_btrfs_subvolume _)
# check if subvolumes are present
[[ -n "${SUBVOLUMES}" ]] && SUBVOLUMES_DETECTED="yes"
subvolumes_in_use
for i in ${SUBVOLUME_IN_USE}; do
SUBVOLUMES=$(echo ${SUBVOLUMES} | sed -e "s#${i}\ _##g")
done
if [[ -n "${SUBVOLUMES}" ]]; then
DIALOG --menu "Select the subvolume to mount" 21 50 13 ${SUBVOLUMES} 2>${ANSWER} || return 1
BTRFS_SUBVOLUME=$(cat ${ANSWER})
else
if [[ "${SUBVOLUMES_DETECTED}" = "yes" ]]; then
DIALOG --msgbox "ERROR: All subvolumes of the device are already in use. Switching to create a new one now." 8 65
SKIP_ASK_SUBVOLUME=yes
prepare_btrfs_subvolume || return 1
fi
fi
}
# boot on btrfs subvolume is not supported
check_btrfs_boot_subvolume(){
if [[ "${MP}" = "/boot" && "${FSTYPE}" = "btrfs" && ! "${BTRFS_SUBVOLUME}" = "NONE" ]]; then
DIALOG --msgbox "ERROR: \n/boot on a btrfs subvolume is not supported by any bootloader yet!" 8 65
FILESYSTEM_FINISH="no"
fi
}
# btrfs subvolume menu
btrfs_subvolume(){
FILESYSTEM_FINISH=""
if [[ "${FSTYPE}" = "btrfs" && "${DOMKFS}" = "no" ]]; then
if [[ "${ASK_MOUNTPOINTS}" = "1" ]]; then
# create subvolume if requested
# choose btrfs subvolume if present
prepare_btrfs_subvolume || return 1
if [[ "${BTRFS_SUBVOLUME}" = "NONE" ]]; then
choose_btrfs_subvolume || return 1
fi
else
# use device if no subvolume is present
choose_btrfs_subvolume || return 1
fi
btrfs_compress
btrfs_ssd
fi
FILESYSTEM_FINISH="yes"
}
select_filesystem(){
FILESYSTEM_FINISH=""
# don't allow vfat as / filesystem, it will not work!
# don't allow ntfs as / filesystem, this is stupid!
FSOPTS=""
[[ "$(which mkfs.ext2 2>/dev/null)" ]] && FSOPTS="${FSOPTS} ext2 Ext2"
[[ "$(which mkfs.ext3 2>/dev/null)" ]] && FSOPTS="${FSOPTS} ext3 Ext3"
[[ "$(which mkfs.ext4 2>/dev/null)" ]] && FSOPTS="${FSOPTS} ext4 Ext4"
[[ "$(which mkfs.btrfs 2>/dev/null)" ]] && FSOPTS="${FSOPTS} btrfs Btrfs-(Experimental)"
[[ "$(which mkfs.nilfs2 2>/dev/null)" ]] && FSOPTS="${FSOPTS} nilfs2 Nilfs2-(Experimental)"
[[ "$(which mkreiserfs 2>/dev/null)" ]] && FSOPTS="${FSOPTS} reiserfs Reiser3"
[[ "$(which mkfs.xfs 2>/dev/null)" ]] && FSOPTS="${FSOPTS} xfs XFS"
[[ "$(which mkfs.jfs 2>/dev/null)" ]] && FSOPTS="${FSOPTS} jfs JFS"
[[ "$(which mkfs.ntfs 2>/dev/null)" && "${DO_ROOT}" = "DONE" ]] && FSOPTS="${FSOPTS} ntfs-3g NTFS"
[[ "$(which mkfs.vfat 2>/dev/null)" && "${DO_ROOT}" = "DONE" ]] && FSOPTS="${FSOPTS} vfat VFAT"
DIALOG --menu "Select a filesystem for ${PART}" 21 50 13 ${FSOPTS} 2>${ANSWER} || return 1
FSTYPE=$(cat ${ANSWER})
}
enter_mountpoint(){
FILESYSTEM_FINISH=""
MP=""
while [[ "${MP}" = "" ]]; do
DIALOG --inputbox "Enter the mountpoint for ${PART}" 8 65 "/boot" 2>${ANSWER} || return 1
MP=$(cat ${ANSWER})
if grep ":${MP}:" /tmp/.parts; then
DIALOG --msgbox "ERROR: You have defined 2 identical mountpoints! Please select another mountpoint." 8 65
MP=""
fi
done
}
# set sane values for paramaters, if not already set
check_mkfs_values(){
# Set values, to not confuse mkfs call!
[[ "${FS_OPTIONS}" = "" ]] && FS_OPTIONS="NONE"
[[ "${BTRFS_DEVICES}" = "" ]] && BTRFS_DEVICES="NONE"
[[ "${BTRFS_LEVEL}" = "" ]] && BTRFS_LEVEL="NONE"
[[ "${BTRFS_SUBVOLUME}" = "" ]] && BTRFS_SUBVOLUME="NONE"
[[ "${DOSUBVOLUME}" = "" ]] && DOSUBVOLUME="no"
[[ "${LABEL_NAME}" = "" && -n "$(${_BLKID} -p -i -o value -s LABEL ${PART})" ]] && LABEL_NAME="$(${_BLKID} -p -i -o value -s LABEL ${PART})"
[[ "${LABEL_NAME}" = "" ]] && LABEL_NAME="NONE"
}
create_filesystem(){
FILESYSTEM_FINISH=""
LABEL_NAME=""
FS_OPTIONS=""
BTRFS_DEVICES=""
BTRFS_LEVEL=""
DIALOG --yesno "Would you like to create a filesystem on ${PART}?\n\n(This will overwrite existing data!)" 0 0 && DOMKFS="yes"
if [[ "${DOMKFS}" = "yes" ]]; then
while [[ "${LABEL_NAME}" = "" ]]; do
DIALOG --inputbox "Enter the LABEL name for the device, keep it short\n(not more than 12 characters) and use no spaces or special\ncharacters." 10 65 \
"$(${_BLKID} -p -i -o value -s LABEL ${PART})" 2>${ANSWER} || return 1
LABEL_NAME=$(cat ${ANSWER})
if grep ":${LABEL_NAME}$" /tmp/.parts; then
DIALOG --msgbox "ERROR: You have defined 2 identical LABEL names! Please enter another name." 8 65
LABEL_NAME=""
fi
done
if [[ "${FSTYPE}" = "btrfs" ]]; then
prepare_btrfs || return 1
btrfs_compress
btrfs_ssd
fi
DIALOG --inputbox "Enter additional options to the filesystem creation utility.\nUse this field only, if the defaults are not matching your needs,\nelse just leave it empty." 10 70 2>${ANSWER} || return 1
FS_OPTIONS=$(cat ${ANSWER})
fi
FILESYSTEM_FINISH="yes"
}
mountpoints(){
NAME_SCHEME_PARAMETER_RUN=""
while [[ "${PARTFINISH}" != "DONE" ]]; do
activate_special_devices
: >/tmp/.device-names
: >/tmp/.fstab
: >/tmp/.parts
#
# Select mountpoints
#
DIALOG --msgbox "Available partitions:\n\n$(_getavailpartitions)\n" 0 0
PARTS=$(findpartitions _)
DO_SWAP=""
while [[ "${DO_SWAP}" != "DONE" ]]; do
FSTYPE="swap"
DIALOG --menu "Select the partition to use as swap" 21 50 13 NONE - ${PARTS} 2>${ANSWER} || return 1
PART=$(cat ${ANSWER})
if [[ "${PART}" != "NONE" ]]; then
DOMKFS="no"
if [[ "${ASK_MOUNTPOINTS}" = "1" ]]; then
create_filesystem
else
FILESYSTEM_FINISH="yes"
fi
else
FILESYSTEM_FINISH="yes"
fi
[[ "${FILESYSTEM_FINISH}" = "yes" ]] && DO_SWAP=DONE
done
check_mkfs_values
if [[ "${PART}" != "NONE" ]]; then
PARTS="$(echo ${PARTS} | sed -e "s#${PART}\ _##g")"
echo "${PART}:swap:swap:${DOMKFS}:${LABEL_NAME}:${FS_OPTIONS}:${BTRFS_DEVICES}:${BTRFS_LEVEL}:${BTRFS_SUBVOLUME}:${DOSUBVOLUME}:${BTRFS_COMPRESS}:${BTRFS_SSD}" >>/tmp/.parts
fi
DO_ROOT=""
while [[ "${DO_ROOT}" != "DONE" ]]; do
DIALOG --menu "Select the partition to mount as /" 21 50 13 ${PARTS} 2>${ANSWER} || return 1
PART=$(cat ${ANSWER})
PART_ROOT=${PART}
# Select root filesystem type
FSTYPE="$(${_BLKID} -p -i -o value -s TYPE ${PART})"
DOMKFS="no"
# clear values first!
clear_btrfs_values
check_btrfs_filesystem_creation
if [[ "${ASK_MOUNTPOINTS}" = "1" && "${SKIP_FILESYSTEM}" = "no" ]]; then
select_filesystem && create_filesystem && btrfs_subvolume
else
btrfs_subvolume
fi
[[ "${FILESYSTEM_FINISH}" = "yes" ]] && DO_ROOT=DONE
done
find_btrfs_raid_devices
btrfs_parts
check_mkfs_values
echo "${PART}:${FSTYPE}:/:${DOMKFS}:${LABEL_NAME}:${FS_OPTIONS}:${BTRFS_DEVICES}:${BTRFS_LEVEL}:${BTRFS_SUBVOLUME}:${DOSUBVOLUME}:${BTRFS_COMPRESS}:${BTRFS_SSD}" >>/tmp/.parts
! [[ "${FSTYPE}" = "btrfs" ]] && PARTS="$(echo ${PARTS} | sed -e "s#${PART}\ _##g")"
#
# Additional partitions
#
while [[ "${PART}" != "DONE" ]]; do
DO_ADDITIONAL=""
while [[ "${DO_ADDITIONAL}" != "DONE" ]]; do
DIALOG --menu "Select any additional partitions to mount under your new root (select DONE when finished)" 21 52 13 ${PARTS} DONE _ 2>${ANSWER} || return 1
PART=$(cat ${ANSWER})
if [[ "${PART}" != "DONE" ]]; then
FSTYPE="$(${_BLKID} -p -i -o value -s TYPE ${PART})"
DOMKFS="no"
# clear values first!
clear_btrfs_values
check_btrfs_filesystem_creation
# Select a filesystem type
if [[ "${ASK_MOUNTPOINTS}" = "1" && "${SKIP_FILESYSTEM}" = "no" ]]; then
enter_mountpoint && select_filesystem && create_filesystem && btrfs_subvolume
else
enter_mountpoint
btrfs_subvolume
fi
check_btrfs_boot_subvolume
else
FILESYSTEM_FINISH="yes"
fi
[[ "${FILESYSTEM_FINISH}" = "yes" ]] && DO_ADDITIONAL="DONE"
done
if [[ "${PART}" != "DONE" ]]; then
find_btrfs_raid_devices
btrfs_parts
check_mkfs_values
echo "${PART}:${FSTYPE}:${MP}:${DOMKFS}:${LABEL_NAME}:${FS_OPTIONS}:${BTRFS_DEVICES}:${BTRFS_LEVEL}:${BTRFS_SUBVOLUME}:${DOSUBVOLUME}:${BTRFS_COMPRESS}:${BTRFS_SSD}" >>/tmp/.parts
! [[ "${FSTYPE}" = "btrfs" ]] && PARTS="$(echo ${PARTS} | sed -e "s#${PART}\ _##g")"
fi
done
DIALOG --yesno "Would you like to create and mount the filesytems like this?\n\nSyntax\n------\nDEVICE:TYPE:MOUNTPOINT:FORMAT:LABEL:FSOPTIONS:BTRFS_DETAILS\n\n$(for i in $(cat /tmp/.parts | sed -e 's, ,#,g'); do echo "${i}\n";done)" 0 0 && PARTFINISH="DONE"
done
# disable swap and all mounted partitions
_umountall
if [[ "${NAME_SCHEME_PARAMETER_RUN}" = "" ]]; then
set_device_name_scheme || return 1
fi
printk off
for line in $(cat /tmp/.parts); do
PART=$(echo ${line} | cut -d: -f 1)
FSTYPE=$(echo ${line} | cut -d: -f 2)
MP=$(echo ${line} | cut -d: -f 3)
DOMKFS=$(echo ${line} | cut -d: -f 4)
LABEL_NAME=$(echo ${line} | cut -d: -f 5)
FS_OPTIONS=$(echo ${line} | cut -d: -f 6)
BTRFS_DEVICES=$(echo ${line} | cut -d: -f 7)
BTRFS_LEVEL=$(echo ${line} | cut -d: -f 8)
BTRFS_SUBVOLUME=$(echo ${line} | cut -d: -f 9)
DOSUBVOLUME=$(echo ${line} | cut -d: -f 10)
BTRFS_COMPRESS=$(echo ${line} | cut -d: -f 11)
BTRFS_SSD=$(echo ${line} | cut -d: -f 12)
if [[ "${DOMKFS}" = "yes" ]]; then
if [[ "${FSTYPE}" = "swap" ]]; then
DIALOG --infobox "Creating and activating swapspace on ${PART}" 0 0
else
DIALOG --infobox "Creating ${FSTYPE} on ${PART},\nmounting to ${DESTDIR}${MP}" 0 0
fi
_mkfs yes ${PART} ${FSTYPE} ${DESTDIR} ${MP} ${LABEL_NAME} ${FS_OPTIONS} ${BTRFS_DEVICES} ${BTRFS_LEVEL} ${BTRFS_SUBVOLUME} ${DOSUBVOLUME} ${BTRFS_COMPRESS} ${BTRFS_SSD} || return 1
else
if [[ "${FSTYPE}" = "swap" ]]; then
DIALOG --infobox "Activating swapspace on ${PART}" 0 0
else
DIALOG --infobox "Mounting ${FSTYPE} on ${PART} to ${DESTDIR}${MP}" 0 0
fi
_mkfs no ${PART} ${FSTYPE} ${DESTDIR} ${MP} ${LABEL_NAME} ${FS_OPTIONS} ${BTRFS_DEVICES} ${BTRFS_LEVEL} ${BTRFS_SUBVOLUME} ${DOSUBVOLUME} ${BTRFS_COMPRESS} ${BTRFS_SSD} || return 1
fi
sleep 1
done
printk on
DIALOG --msgbox "Partitions were successfully mounted." 0 0
NEXTITEM="5"
S_MKFS=1
}
# _mkfs()
# Create and mount filesystems in our destination system directory.
#
# args:
# domk: Whether to make the filesystem or use what is already there
# device: Device filesystem is on
# fstype: type of filesystem located at the device (or what to create)
# dest: Mounting location for the destination system
# mountpoint: Mount point inside the destination system, e.g. '/boot'
# returns: 1 on failure
_mkfs(){
local _domk=${1}
local _device=${2}
local _fstype=${3}
local _dest=${4}
local _mountpoint=${5}
local _labelname=${6}
local _fsoptions=${7}
local _btrfsdevices="$(echo ${8} | sed -e 's|#| |g')"
local _btrfslevel=${9}
local _btrfssubvolume=${10}
local _dosubvolume=${11}
local _btrfscompress=${12}
local _btrfsssd=${13}
# correct empty entries
[[ "${_fsoptions}" = "NONE" ]] && _fsoptions=""
[[ "${_btrfsssd}" = "NONE" ]] && _btrfsssd=""
[[ "${_btrfscompress}" = "NONE" ]] && _btrfscompress=""
[[ "${_btrfssubvolume}" = "NONE" ]] && _btrfssubvolume=""
# add btrfs raid level, if needed
[[ ! "${_btrfslevel}" = "NONE" && "${_fstype}" = "btrfs" ]] && _fsoptions="${_fsoptions} -d ${_btrfslevel}"
# we have two main cases: "swap" and everything else.
if [[ "${_fstype}" = "swap" ]]; then
swapoff ${_device} >/dev/null 2>&1
if [[ "${_domk}" = "yes" ]]; then
mkswap -L ${_labelname} ${_device} >${LOG} 2>&1
if [[ $? != 0 ]]; then
DIALOG --msgbox "Error creating swap: mkswap ${_device}" 0 0
return 1
fi
fi
swapon ${_device} >${LOG} 2>&1
if [[ $? != 0 ]]; then
DIALOG --msgbox "Error activating swap: swapon ${_device}" 0 0
return 1
fi
else
# make sure the fstype is one we can handle
local knownfs=0
for fs in xfs jfs reiserfs ext2 ext3 ext4 btrfs nilfs2 ntfs-3g vfat; do
[[ "${_fstype}" = "${fs}" ]] && knownfs=1 && break
done
if [[ ${knownfs} -eq 0 ]]; then
DIALOG --msgbox "unknown fstype ${_fstype} for ${_device}" 0 0
return 1
fi
# if we were tasked to create the filesystem, do so
if [[ "${_domk}" = "yes" ]]; then
local ret
case ${_fstype} in
xfs) mkfs.xfs ${_fsoptions} -L ${_labelname} -f ${_device} >${LOG} 2>&1; ret=$? ;;
jfs) yes | mkfs.jfs ${_fsoptions} -L ${_labelname} ${_device} >${LOG} 2>&1; ret=$? ;;
reiserfs) yes | mkreiserfs ${_fsoptions} -l ${_labelname} ${_device} >${LOG} 2>&1; ret=$? ;;
ext2) mkfs.ext2 ${_fsoptions} -F -L ${_labelname} ${_device} >${LOG} 2>&1; ret=$? ;;
ext3) mke2fs ${_fsoptions} -F -L ${_labelname} -t ext3 ${_device} >${LOG} 2>&1; ret=$? ;;
ext4) mke2fs ${_fsoptions} -F -L ${_labelname} -t ext4 ${_device} >${LOG} 2>&1; ret=$? ;;
btrfs) mkfs.btrfs ${_fsoptions} -L ${_labelname} ${_btrfsdevices} >${LOG} 2>&1; ret=$? ;;
nilfs2) mkfs.nilfs2 ${_fsoptions} -L ${_labelname} ${_device} >${LOG} 2>&1; ret=$? ;;
ntfs-3g) mkfs.ntfs ${_fsoptions} -L ${_labelname} ${_device} >${LOG} 2>&1; ret=$? ;;
vfat) mkfs.vfat ${_fsoptions} -n ${_labelname} ${_device} >${LOG} 2>&1; ret=$? ;;
# don't handle anything else here, we will error later
esac
if [[ ${ret} != 0 ]]; then
DIALOG --msgbox "Error creating filesystem ${_fstype} on ${_device}" 0 0
return 1
fi
sleep 2
fi
if [[ "${_fstype}" = "btrfs" && -n "${_btrfssubvolume}" && "${_dosubvolume}" = "yes" ]]; then
create_btrfs_subvolume
fi
btrfs_scan
sleep 2
# create our mount directory
mkdir -p ${_dest}${_mountpoint}
# prepare btrfs mount options
_btrfsmountoptions=""
[[ -n "${_btrfssubvolume}" ]] && _btrfsmountoptions="subvol=${_btrfssubvolume}"
[[ -n "${_btrfscompress}" ]] && _btrfsmountoptions="${_btrfsmountoptions} ${_btrfscompress}"
[[ -n "${_btrfsssd}" ]] && _btrfsmountoptions="${_btrfsmountoptions} ${_btrfsssd}"
_btrfsmountoptions="$(echo ${_btrfsmountoptions} | sed -e 's#^ ##g' | sed -e 's# #,#g')"
# mount the bad boy
if [[ "${_fstype}" = "btrfs" && -n "${_btrfsmountoptions}" ]]; then
mount -t ${_fstype} -o ${_btrfsmountoptions} ${_device} ${_dest}${_mountpoint} >${LOG} 2>&1
else
mount -t ${_fstype} ${_device} ${_dest}${_mountpoint} >${LOG} 2>&1
fi
if [[ $? != 0 ]]; then
DIALOG --msgbox "Error mounting ${_dest}${_mountpoint}" 0 0
return 1
fi
# change permission of base directories to correct permission
# to avoid btrfs issues
if [[ "${_mountpoint}" = "/tmp" ]]; then
chmod 1777 ${_dest}${_mountpoint}
elif [[ "${_mountpoint}" = "/root" ]]; then
chmod 750 ${_dest}${_mountpoint}
else
chmod 755 ${_dest}${_mountpoint}
fi
fi
# add to .device-names for config files
local _fsuuid="$(getfsuuid ${_device})"
local _fslabel="$(getfslabel ${_device})"
if [[ "${GUID_DETECTED}" == "1" ]]; then
local _partuuid="$(getpartuuid ${_device})"
local _partlabel="$(getpartlabel ${_device})"
echo "# DEVICE DETAILS: ${_device} PARTUUID=${_partuuid} PARTLABEL=${_partlabel} UUID=${_fsuuid} LABEL=${_fslabel}" >> /tmp/.device-names
else
echo "# DEVICE DETAILS: ${_device} UUID=${_fsuuid} LABEL=${_fslabel}" >> /tmp/.device-names
fi
# add to temp fstab
if [[ "${NAME_SCHEME_PARAMETER}" == "FSUUID" ]]; then
if [[ -n "${_fsuuid}" ]]; then
_device="UUID=${_fsuuid}"
fi
elif [[ "${NAME_SCHEME_PARAMETER}" == "FSLABEL" ]]; then
if [[ -n "${_fslabel}" ]]; then
_device="LABEL=${_fslabel}"
fi
else
if [[ "${GUID_DETECTED}" == "1" ]]; then
if [[ "${NAME_SCHEME_PARAMETER}" == "PARTUUID" ]]; then
if [[ -n "${_partuuid}" ]]; then
_device="PARTUUID=${_partuuid}"
fi
elif [[ "${NAME_SCHEME_PARAMETER}" == "PARTLABEL" ]]; then
if [[ -n "${_partlabel}" ]]; then
_device="PARTLABEL=${_partlabel}"
fi
fi
fi
fi
if [[ "${_fstype}" = "btrfs" && -n "${_btrfsmountoptions}" ]]; then
echo -n "${_device} ${_mountpoint} ${_fstype} defaults,${_btrfsmountoptions} 0 " >>/tmp/.fstab
else
echo -n "${_device} ${_mountpoint} ${_fstype} defaults 0 " >>/tmp/.fstab
fi
if [[ "${_fstype}" = "swap" ]]; then
echo "0" >>/tmp/.fstab
else
echo "1" >>/tmp/.fstab
fi
}
# auto_fstab()
# preprocess fstab file
# comments out old fields and inserts new ones
# according to partitioning/formatting stage
#
auto_fstab(){
# Modify fstab
if [[ "${S_MKFS}" = "1" || "${S_MKFSAUTO}" = "1" ]]; then
if [[ -f /tmp/.device-names ]]; then
sort /tmp/.device-names >>${DESTDIR}/etc/fstab
fi
if [[ -f /tmp/.fstab ]]; then
# clean fstab first from /dev entries
sed -i -e '/^\/dev/d' ${DESTDIR}/etc/fstab
sort /tmp/.fstab >>${DESTDIR}/etc/fstab
fi
fi
}
# check for btrfs bootpart and abort if detected
abort_btrfs_bootpart(){
FSTYPE="$(${_BLKID} -p -i ${bootdev} -o value -s TYPE)"
if [[ "${FSTYPE}" = "btrfs" ]]; then
DIALOG --msgbox "Error:\nYour selected bootloader cannot boot from btrfs partition with /boot on it." 0 0
return 1
fi
}