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#!/bin/sh
# procedural code from quickinst functionized.
# there were functions like this in the setup script too, with some subtle differences. see below
# NOTE: why were the functions in the setup called CHROOT_mount/umount? this is not chrooting ?
target_special_fs ()
{
[ "$1" = on -o "$1" = off ] || die_error "special_fs needs on/off argument"
if [ "$1" = on ]
then
# mount proc/sysfs first, so mkinitrd can use auto-detection if it wants
! [ -d $TARGET_DIR/proc ] && mkdir $TARGET_DIR/proc
! [ -d $TARGET_DIR/sys ] && mkdir $TARGET_DIR/sys
! [ -d $TARGET_DIR/dev ] && mkdir $TARGET_DIR/dev
mount -t proc none $TARGET_DIR/proc || die_error "Could not mount $TARGET_DIR/proc" #NOTE: setup script uses mount -t proc proc ? what's best?
mount -t sysfs none $TARGET_DIR/sys || die_error "Could not mount $TARGET_DIR/sys" # NOTE: setup script uses mount -t sysfs sysfs ? what's best?
mount -o bind /dev $TARGET_DIR/dev || die_error "Could not mount $TARGET_DIR/dev"
elif [ "$1" = off ]
then
umount $TARGET_DIR/proc || die_error "Could not umount $TARGET_DIR/proc"
umount $TARGET_DIR/sys || die_error "Could not umount $TARGET_DIR/sys"
umount $TARGET_DIR/dev || die_error "Could not umount $TARGET_DIR/dev"
fi
}
# taken from setup
# Disable swap and all mounted partitions for the destination system. Unmount
# the destination root partition last!
target_umountall()
{
DIALOG --infobox "Disabling swapspace, unmounting already mounted disk devices..." 0 0
swapoff -a >/dev/null 2>&1
umount $(mount | grep -v "${TARGET_DIR} " | grep "${TARGET_DIR}" | sed 's|\ .*||g') >/dev/null 2>&1
umount $(mount | grep "${TARGET_DIR} " | sed 's|\ .*||g') >/dev/null 2>&1
}
# literally taken from setup script
finddisks() {
workdir="$PWD"
cd /sys/block
# ide devices
for dev in $(ls | egrep '^hd'); do
if [ "$(cat $dev/device/media)" = "disk" ]; then
echo "/dev/$dev"
[ "$1" ] && echo $1
fi
done
#scsi/sata devices
for dev in $(ls | egrep '^sd'); do
# TODO: what is the significance of 5?
if ! [ "$(cat $dev/device/type)" = "5" ]; then
echo "/dev/$dev"
[ "$1" ] && echo $1
fi
done
# cciss controllers
if [ -d /dev/cciss ] ; then
cd /dev/cciss
for dev in $(ls | egrep -v 'p'); do
echo "/dev/cciss/$dev"
[ "$1" ] && echo $1
done
fi
# Smart 2 controllers
if [ -d /dev/ida ] ; then
cd /dev/ida
for dev in $(ls | egrep -v 'p'); do
echo "/dev/ida/$dev"
[ "$1" ] && echo $1
done
fi
cd "$workdir"
}
# getuuid(). taken and modified from setup. this can probably be more improved. return an exit code, rely on blkid's exit codes etc.
# converts /dev/[hs]d?[0-9] devices to UUIDs
#
# parameters: device file
# outputs: UUID on success
# nothing on failure
# returns: nothing
getuuid()
{
[ -z "$1" ] && die_error "getuuid needs an argument"
[ "${1%%/[hs]d?[0-9]}" != "${1}" ] && echo "$(blkid -s UUID -o value ${1})"
}
# taken from setup. slightly optimized. TODO: fix identation + can be improved more
findpartitions() {
workdir="$PWD"
for devpath in $(finddisks); do
disk=$(echo $devpath | sed 's|.*/||')
cd /sys/block/$disk
for part in $disk*; do
# check if not already assembled to a raid device
if ! [ "$(cat /proc/mdstat 2>/dev/null | grep $part)" -o "$(fstype 2>/dev/null </dev/$part | grep "lvm2")" \
-o "$(sfdisk -c /dev/$disk $(echo $part | sed -e "s#$disk##g") 2>/dev/null | grep "5")" ]
then
if [ -d $part ]; then
echo "/dev/$part"
[ "$1" ] && echo $1
fi
fi
done
done
# include any mapped devices
for devpath in $(ls /dev/mapper 2>/dev/null | grep -v control); do
echo "/dev/mapper/$devpath"
[ "$1" ] && echo $1
done
# include any raid md devices
for devpath in $(ls -d /dev/md* | grep '[0-9]' 2>/dev/null); do
if grep -qw $(echo $devpath /proc/mdstat | sed -e 's|/dev/||g'); then
echo "$devpath"
[ "$1" ] && echo $1
fi
done
# inlcude cciss controllers
if [ -d /dev/cciss ] ; then
cd /dev/cciss
for dev in $(ls | egrep 'p'); do
echo "/dev/cciss/$dev"
[ "$1" ] && echo $1
done
fi
# inlcude Smart 2 controllers
if [ -d /dev/ida ] ; then
cd /dev/ida
for dev in $(ls | egrep 'p'); do
echo "/dev/ida/$dev"
[ "$1" ] && echo $1
done
fi
cd "$workdir"
}
# taken from setup
get_grub_map() {
rm /tmp/dev.map
$TARGET_DIR/sbin/grub --no-floppy --device-map /tmp/dev.map >/tmp/grub.log 2>&1 <<EOF
quit
EOF
}
# taken from setup. slightly edited.
mapdev() {
partition_flag=0
device_found=0
devs=$( grep -v fd /tmp/dev.map | sed 's/ *\t/ /' | sed ':a;$!N;$!ba;s/\n/ /g')
linuxdevice=$(echo $1 | cut -b1-8)
if [ "$(echo $1 | egrep '[0-9]$')" ]; then
# /dev/hdXY
pnum=$(echo $1 | cut -b9-)
pnum=$(($pnum-1))
partition_flag=1
fi
for dev in $devs
do
if [ "(" = $(echo $dev | cut -b1) ]; then
grubdevice="$dev"
else
if [ "$dev" = "$linuxdevice" ]; then
device_found=1
break
fi
fi
done
if [ "$device_found" = "1" ]; then
if [ "$partition_flag" = "0" ]; then
echo "$grubdevice"
else
grubdevice_stringlen=${#grubdevice}
grubdevice_stringlen=$(($grubdevice_stringlen - 1))
grubdevice=$(echo $grubdevice | cut -b1-$grubdevice_stringlen)
echo "$grubdevice,$pnum)"
fi
else
echo "DEVICE NOT FOUND" >&2
fi
}
# _mkfs() taken from setup code and slightly improved. TODO: decouple GUI code, improve more
# Create and mount filesystems in our destination system directory.
#
# args:
# $1 domk: Whether to make the filesystem or use what is already there
# $2 device: Device filesystem is on
# $3 fstype: type of filesystem located at the device (or what to create)
# $4 dest: Mounting location for the destination system
# $5 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=$5
# we have two main cases: "swap" and everything else.
if [ "${_fstype}" = "swap" ]; then
swapoff ${_device} >/dev/null 2>&1
if [ "${_domk}" = "yes" ]; then
mkswap ${_device} >$LOG 2>&1 || DIALOG --msgbox "Error creating swap: mkswap ${_device}" 0 0 && return 1
fi
swapon ${_device} >$LOG 2>&1 || DIALOG --msgbox "Error activating swap: swapon ${_device}" 0 0 && return 1
else
# make sure the fstype is one we can handle
local knownfs=0
for fs in xfs jfs reiserfs ext2 ext3 vfat; do
[ "${_fstype}" = "${fs}" ] && knownfs=1 && break
done
[ $knownfs -eq 0 ] && DIALOG --msgbox "unknown fstype ${_fstype} for ${_device}" 0 0 && return 1
# if we were tasked to create the filesystem, do so
if [ "${_domk}" = "yes" ]; then
local ret
case ${_fstype} in
xfs) mkfs.xfs -f ${_device} >$LOG 2>&1; ret=$? ;;
jfs) yes | mkfs.jfs ${_device} >$LOG 2>&1; ret=$? ;;
reiserfs) yes | mkreiserfs ${_device} >$LOG 2>&1; ret=$? ;;
ext2) mke2fs "${_device}" >$LOG 2>&1; ret=$? ;;
ext3) mke2fs -j ${_device} >$LOG 2>&1; ret=$? ;;
vfat) mkfs.vfat ${_device} >$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
# create our mount directory
mkdir -p ${_dest}${_mountpoint}
# mount the bad boy
mount -t ${_fstype} ${_device} ${_dest}${_mountpoint} >$LOG 2>&1
if [ $? != 0 ]; then
DIALOG --msgbox "Error mounting ${_dest}${_mountpoint}" 0 0
return 1
fi
fi
# add to temp fstab
local _uuid="$(getuuid ${_device})"
if [ -n "${_uuid}" ]; then
_device="UUID=${_uuid}"
fi
echo -n "${_device} ${_mountpoint} ${_fstype} defaults 0 " >>/tmp/.fstab
if [ "${_fstype}" = "swap" ]; then
echo "0" >>/tmp/.fstab
else
echo "1" >>/tmp/.fstab
fi
}
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