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#!/bin/bash
function detect_version() {
version=""
if has_label Share; then
version="1.0"
elif has_label MDVUSBROOT; then
version="1.05"
elif has_label Mdv_Flash; then
version="2.0"
elif has_label MDV_FLASH; then
version="2.05"
fi
usbroot_device=$_device
source_version_variables
[ -n "$version" ]
}
function source_version_variables {
local _version
_version=$1
[ -z "$_version" ] && _version=$version
if [ "$_version" = "1.0" ]; then
label=MDVUSBROOT
boot_rel="/boot"
loopbacks_rel="/loopbacks"
elif [ "$_version" = "1.05" ]; then
label=MDVUSBROOT
boot_rel="/.boot"
loopbacks_rel="/.loopbacks"
elif [ "$_version" = "2.0" ]; then
label=Mdv_Flash
boot_rel="/.boot"
loopbacks_rel="/.loopbacks"
elif [ "$_version" = "2.05" ]; then
label=MDV_FLASH
boot_rel="/.boot"
loopbacks_rel="/.loopbacks"
fi
}
function has_label() {
local _label _tmpdir
_label=$1
_tmpdir="/tmp/$$"
mkdir -p $_tmpdir
nash --force > /dev/null 2>&1 <<EOF
mount -t vfat LABEL=$_label $_tmpdir
EOF
rc=$?
_device=`perl -ne 'my @l = split; $l[1] eq "'$_tmpdir'" and print "$l[0]\n"' /proc/mounts`
[ -z "$_device" ] && rc=1
umount $_tmpdir 2> /dev/null
rmdir $_tmpdir 2> /dev/null
return $rc
}
function check_vendor() {
# list of supported vendors/models
# mandriva flash 1.0 (france)
vendors[0]="13fe"
models[0]="1a00"
# mandriva flash 1.0 (brazil)
vendors[1]="0930"
models[1]="653e"
# mandriva flash 4GB (france)
vendors[2]="13fe"
models[2]="1d00"
rc=1
mount -t usbfs none /proc/bus/usb 2> /dev/null
i=0
while [ ! -z "${vendors[$i]}" ]; do
grep "P:" /proc/bus/usb/devices | grep -q \
"Vendor=${vendors[$i]} ProdID=${models[$i]}"
if [ $? -eq 0 ]; then
rc=0
break
fi
let i++
done
umount /proc/bus/usb 2> /dev/null
return $rc
}
function insert_pendrive() {
_tmpdir="/tmp/rescue-temp"
mkdir -p $_tmpdir
modprobe usb-storage > /dev/null 2>&1
modprobe vfat > /dev/null 2>&1
echo
echo -n 'Please insert your Mandriva Flash pen drive and press ENTER when ready: '
read READY
echo
echo -n 'Detecting pen drive: '
for ((i=0; $i <= 15 ; i++)); do
detect_version && nash --force > /dev/null 2>&1 <<EOF
mount -t vfat LABEL=$label $_tmpdir
EOF
if [ $? -ne 0 ]; then
echo -n '.'
sleep 1
else
echo -n ' found!'
if ! check_vendor; then
echo
echo "This is not an official Mandriva Flash key!"
echo
fi
cat /proc/mounts | grep $_tmpdir | cut -d' ' -f1 | \
sed 's/[0-9]*$//g' > /tmp/rescue-device
umount $_tmpdir
rmdir $_tmpdir 2> /dev/null
return 0
fi
done
rmdir $_tmpdir 2> /dev/null
echo
echo
echo "Couldn't detect Mandriva Flash pen drive!"
echo
return 1
}
function mount_usbroot() {
nash --force > /dev/null 2>&1 <<EOF
mount -t vfat LABEL=$label $1
EOF
if [ $? -ne 0 ]; then
echo "Error mounting device labeled $label"
return 1
fi
return 0
}
function mount_sharedroot() {
nash --force > /dev/null 2>&1 <<EOF
mount -t vfat LABEL=Share $1
EOF
if [ $? -ne 0 ]; then
echo "Error mounting device labeled Share"
return 1
fi
return 0
}
function progress() {
echo -ne '\b|'
usleep 100000
echo -ne '\b/'
usleep 100000
echo -ne '\b-'
usleep 100000
echo -ne '\b\\'
usleep 100000
}
function lumount() {
local dir=$1
loop=$(perl -ne '@l = split; if ($l[1] eq "'$dir'") { print $l[0]; exit }' /proc/mounts)
umount $dir
losetup -d $loop
}
function set_sfs_loop() {
local dir=$1
sfs_loop_std="$dir$loopbacks_rel/distrib.sqfs"
sfs_loop_lzma="$dir$loopbacks_rel/distrib-lzma.sqfs"
if [ -e $sfs_loop_lzma ]; then
sfs_loop=$sfs_loop_lzma
else
sfs_loop=$sfs_loop_std
fi
}
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