File live-fat-stick of Package live-fat-stick

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File live-fat-stick of Package live-fat-stick

#!/bin/bash
# live-fat-stick
#
# Copyright (c) 2012 CyberOrg Info
# Copyright (c) 2014 Mindaugas Baranauskas

# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Original authors:      Jigish Gohil <cyberorg@opensuse.org>
# Contributors:          Mindaugas Baranauskas <opensuse.lietuviu.kalba@gmail.com>
#
# This script creates bootable openSUSE, Fedora or Ubuntu(or clones)
# live usb stick on fat partition
#
# To get POT file for localization, execute:
# bash --dump-po-strings live-fat-stick > live-fat-stick.pot

PATH=$PATH:/sbin:/usr/sbin:/usr/local/sbin:/usr/local/bin:/usr/bin:/bin
ionice -c3 -p$$
umount_everything () {
	sync
	if [[ $distroname != isohybrid ]]; then
                umount $isomount &>/dev/null             
                umount $stickdevpart &>/dev/null
		rmdir $isomount &>/dev/null || echo "unable to remove $isomount, please remove manually"
                umount $stickmount &>/dev/null
		while $(mount | grep $stickmount &>/dev/null); do
			umount $stickdevpart &>/dev/null
			sleep 2
		done
		rmdir $stickmount &>/dev/null || echo "unable to remove $stickmount, please remove manually"
                if [[ -f $liveusbgui ]]; then
                        rm $liveusbgui &>/dev/null
                fi
                if [[ -h $iso_symlink ]]; then
                        rm "$iso_symlink" &>/dev/null
                fi
	fi
}
clean_up () {
	if [[ $1 == user_killed ]] ; then
		echo "aborting and cleaning up"
		umount_everything
		exit 1
	else
		echo "cleaning up"
		umount_everything
		echo "Your bootable usb stick is now ready"
		echo "have a lot of fun..."
	fi
}
trap "clean_up user_killed" SIGINT SIGTERM
need_help() {
	cat <<EOF
        Create multi boot USB stick/hard disk with whole iso/s on vfat/fat32 partition
        keeping existing data untouched.

Note: File size greater than 4G is not usable on vfat/fat32 partition so the
        live CD/DVD iso file should not exceed this limit. Use live-grub-stick on
	grub supported non-vfat partition for image size greater than 4G such as 
	openSUSE installation DVD.

Note2: Install 32bit/x86 iso on the stick first if creating multiboot with both
        x86 and x86_64 arch images.

Note3: Requires: syslinux and dd_rescue/ddrescue installed on the system running this.

Run this command as root (su -, not sudo)
                live-fat-stick isopath stickpartition
        e.g.: 
                live-fat-stick /home/geeko/openSUSE-Edu-li-f-e-12.2-1-i686.iso /dev/sdXY

To add various distribution iso to the stick, run the following:
                For openSUSE    : live-fat-stick --suse /path/to/openSUSE-filename.iso /dev/sdXY
                For openSUSE with persistence    : live-fat-stick --suse-persistent /path/to/openSUSE-filename.iso /dev/sdXY
                For Ubuntu clones     : live-fat-stick --ubuntu /path/to/ubuntu-filename.iso /dev/sdXY
                For Ubuntu clones with persistence      : live-fat-stick --ubuntu-persistent /path/to/ubuntu-filename.iso /dev/sdXY
                For Mint        : live-fat-stick --mint /path/to/mint-filename.iso /dev/sdXY
                For Fedora      : live-fat-stick --fedora /path/to/fedora-filename.iso /dev/sdXY
                For iPXE        : live-fat-stick --ipxe /path/to/ipxe.iso /dev/sdXY

For isohybrid   : live-fat-stick --isohybrid /path/to/isohybridimage.iso /dev/sdX

isopath should be full absolute path of iso image and the device should be 
        actual partition on the stick like /dev/sdb1, /dev/sdc1,/dev/sdc2...

The stick partition has to be vfat/fat32 format if the image is not isohybrid.

Persistent option requires minimum 500M free space on the USB device apart from the spare needed by iso image.
        To allocate more space for cow file use cowsize variable like this example: "export cowsize=1000M" before running the script

Please note that using isohybrid option will remove all existing data on the USB device
        and create new partitions.

Run live-fat-stick -l(or --list) to list the possible usb storage devices available.

openSUSE users can install it via 1-click from here:
        http://software.opensuse.org/package/live-fat-stick

EOF
}
if [[ $(id -u) != 0 ]]; then
	echo "run this command as root"
	need_help
	exit 1
fi
while [ $# -gt 2 ]; do
        case $1 in
                --fedora)
                distroname=fedora
                ;;
                --suse|--opensuse)
                distroname=suse
                ;;
                --ubuntu|--mint)
                distroname=ubuntu
                ;;
                --suse-persistent|--opensuse-persistent)
                distroname=suse
		PERSISTENT_IMAGE=true
                ;;
                --ubuntu-persistent|--mint-persistent)
                distroname=ubuntu
                PERSISTENT_IMAGE=true
                ;;                
		--isohybrid)
		distroname=isohybrid
		;;
                --ipxe)
                distroname=ipxe
                ;;
                *)
                echo "invalid arg -- $1, check spelling or if the distribution is supported"
		need_help
                exit 1
                ;;
        esac
        shift
done
if [ "$1" == "-h" -o "$1" == "--help" ]; then
        need_help
        exit
fi
if [ "$1" == "-l" -o "$1" == "--list" ]; then
        echo "Here is the list of possible usb storage devices on your computer,"
        echo "use the correct one, usually the one with a number at the end:"
        echo "$(for i in $(find /dev/disk/by-path/ |grep usb); do readlink -f $i;done)"
        exit
fi
if [[ x"$1" == x ]]; then
	echo "Requires first argument as iso image path"
	need_help
	exit 1
fi
if [[ x"$2" == x ]]; then
	echo "Requires second arguement as device partition path, /dev/sdb1 for example"
	need_help
	echo "Here is the list of possible usb storage devices on your computer, "
	echo "use the correct one, usually the one with a number at the end: "
	echo "$(for i in $(find /dev/disk/by-path/ |grep usb); do readlink -f $i;done)"
	exit 1
fi
if [[ ! -e /usr/bin/syslinux ]]; then
	echo "syslinux not found, please install syslinux package"
	exit 1
fi
if [[ ! -e $(which qemu-img) ]]; then
       	echo "qemu-img not found, please install qemu-tools package"
       	exit 1
fi
if [[ ! -e $1 ]]; then
	echo "File $1 does not exist"
	exit 1
fi
if [[ ! -e $2 ]]; then
        echo "Device $2 does not exist"
        exit 1
fi

#variables
distroname=${distroname:-suse}
isomount=$(mktemp -d)
isopath=$(readlink -f "$1")
isosize=$(stat -c%s "$isopath")
iso_symlink=$(mktemp) ; rm $iso_symlink ; ln -s "$isopath" $iso_symlink
stickmount=$(mktemp -d)
stickdevice=$(echo $2 | sed 's/[0-9]*//g')
stickbase=$(basename $2)
isoname=$(basename "$1")
isonametr=$(echo $isoname | tr " " _)
isonameshort=$(echo $isoname | cut -d "-" -f 1,2,3 | tr " " _)
#stickuuid=$(ls -l /dev/disk/by-uuid/ |grep $stickbase | cut -d " " -f 9)
stickuuid=$(blkid -s UUID -o value $2)
stickpart=$(basename $2 | sed 's/[a-z]*//g')
syslinuxpath=$stickmount/boot/syslinux
stickdevpart=$2
liveusbgui=/tmp/liveusbgui
benice="nice ionice -c3"
cowsize=${cowsize:-500M}
if [[ $distroname != isohybrid ]]; then
	if [[ $isosize -gt 4187593113 ]]; then
		echo "ISO size is larger than that allowed on vfat partition"
		echo "Use live-grub-stick script on grub supported partition format"
	        exit 1
	fi
fi
if [[ $isoname != $isonametr ]]; then
	echo "removing space/s from iso name copied to the destination disk"
	export isoname=$isonametr
fi

if [[ ! -h /dev/disk/by-uuid/$stickuuid ]]; then
        echo "wrong uuid detected, please file bug with output of: blkid $2"
fi

if echo $isoname | grep -qi "Li-f-e" | grep -qi "suse"; then
	isonameshort=openSUSE-Li-f-e
fi
are_you_sure ()  {
        echo  -n "$1 [$2/$3]? "
        while true; do
                read answer
                case $answer in
                        y | Y | yes | YES ) answer="y"; break;;
                        n | N | no | NO ) exit;;
                        *) echo "Please answer (y)es or (n)o.";;
                esac
        done
}
try_cp_with_progress () {
	sync
        if [ -x /usr/bin/dd_rescue ]; then
        	$benice dd_rescue -A -b 4M -y 4M "$iso_symlink" "$2"
	elif [ -x /usr/bin/ddrescue ]; then
		$benice ddrescue --force -b 4M "$iso_symlink" "$2"
	else
		echo "dd_rescue or ddrescue not found, please install one of them, using dd for now"
		$benice dd if="$iso_symlink" of="$2" bs=4M
	fi
}
copy_kernel_initrd () {
	mount -o loop $isopath $isomount &>/dev/null
	echo "copying kernel and initrd from iso image to $stickdevpart"
	if [[ $distroname == suse ]]; then
		if [[ $PERSISTENT_IMAGE == true ]]; then
                        echo "Creating image file for persistent data"
			if ! qemu-img create $stickmount/boot/$isonameshort-cowfile $cowsize &>/dev/null;then
				echo "Can't create cow file"
			else
				persistopts="kiwi_cowdevice=/dev/disk/by-uuid/$stickuuid kiwi_cowsystem=/boot/$isonameshort-cowfile"
			fi
		fi	
		rm $stickmount/syslinux.cfg &>/dev/null
		if [[ ! -f $stickmount/fatstick ]]; then
			cp -r $isomount/boot $stickmount/
			mv $stickmount/boot/*/loader $syslinuxpath
			mv $syslinuxpath/linux $syslinuxpath/linux-$isonameshort
			mv $syslinuxpath/initrd $syslinuxpath/initrd-$isonameshort
		fi
		cp $isomount/boot/*/loader/linux $syslinuxpath/linux-$isonameshort
		cp $isomount/boot/*/loader/initrd $syslinuxpath/initrd-$isonameshort
                if [[ -e $isomount/boot/x86_64/loader/linux ]]; then
                        isoarch=x86_64
                else
                        isoarch=ix86
                fi
                if [[ -e $isomount/LiveOS/squashfs.img ]]; then
			appendsection="append initrd=initrd-$isonameshort iso-scan/filename=/$isoname root=live:CDLABEL=$isolabel loader=syslinux splash=silent  $persistopts quiet showopts"
		else
			appendsection="append initrd=initrd-$isonameshort isofrom=/dev/disk/by-uuid/$stickuuid:/$isoname isofrom_device=/dev/disk/by-uuid/$stickuuid isofrom_system=/$isoname loader=syslinux splash=silent  $persistopts quiet showopts"
		fi
		isolinux_msg="display isolinux.msg"
		ui="ui gfxboot bootlogo isolinux.msg"
	fi
	if [[ $distroname == ubuntu ]]; then
                if [[ $PERSISTENT_IMAGE == true ]]; then
			cowfolder=$isonameshort-cow
			mkdir -p $stickmount/$cowfolder
                        echo "Creating image file for persistent data"
                        if ! qemu-img create $stickmount/$cowfolder/casper-rw $cowsize &>/dev/null;then
                                echo "Can't create cow file"
			else
				echo "Creating filesystem for persistent data"
				mkfs.ext4 -F -O^has_journal -L casper-rw $stickmount/$cowfolder/casper-rw
				persistopts="persistent persistent-path=/$cowfolder/"
                        fi
		fi
		mkdir -p $syslinuxpath
		if [[ -e $isomount/casper/vmlinuz ]]; then
			cp $isomount/casper/vmlinuz $syslinuxpath/linux-$isonameshort
		else
			cp $isomount/casper/vmlinuz.efi $syslinuxpath/linux-$isonameshort
		fi
		cp $isomount/casper/initrd.lz $syslinuxpath/initrd-$isonameshort
		appendsection="append initrd=initrd-$isonameshort boot=casper iso-scan/filename=/$isoname  $persistopts quiet splash"
	fi
	if [[ $distroname == fedora ]]; then
		mkdir -p "$syslinuxpath"
		mkdir -p "$stickmount/$isonameshort"
		echo "copying the content of iso image, this may take a while"
		$benice cp -r "$isomount"/* "/$stickmount/$isonameshort/"
		mv "$stickmount/$isonameshort"/isolinux/initrd0.img $syslinuxpath/initrd-$isonameshort
		mv "$stickmount/$isonameshort"/isolinux/vmlinuz0 $syslinuxpath/linux-$isonameshort
		appendsection="append initrd=initrd-$isonameshort root=UUID=$stickuuid rootfstype=vfat rd.live.dir=/$isonameshort/LiveOS/ ro rd.live.image rd.luks=0 rd.md=0 rd.dm=0 quiet rhgb"
	fi
	if [[ $distroname == ipxe ]]; then
		mkdir -p $syslinuxpath
		cp $isomount/ipxe.krn $syslinuxpath/linux-$isonameshort
	fi
	umount $isomount &>/dev/null
}
syslinux_stuff () {
	echo "installing syslinux on $stickdevpart"
	syslinux -i $stickdevpart
	echo "replacing mbr of $stickdevice with syslinux mbr.bin"
	if [[ -e /usr/share/syslinux/mbr.bin ]]; then
		dd if=/usr/share/syslinux/mbr.bin of=$stickdevice &>/dev/null
	elif [[ -e /usr/lib/syslinux/mbr/mbr.bin ]]; then
                dd if=/usr/lib/syslinux/mbr/mbr.bin of=$stickdevice &>/dev/null
	else
		dd if=/usr/lib/syslinux/mbr.bin of=$stickdevice &>/dev/null
	fi
	echo "setting $stickdevice partition $stickpart active"
	parted $stickdevice set $stickpart boot on &>/dev/null
	copy_kernel_initrd
}
add_harddisk_section () {
	if ! grep -q localboot $syslinuxpath/syslinux.cfg; then
	        cat <<EOF >>$syslinuxpath/syslinux.cfg

label harddisk
  	localboot 0x80
EOF
	fi
}
add_menu_section_suse () {
	if echo $isoname | grep -qi "Li-f-e"; then
	cat <<EOF >>$syslinuxpath/syslinux.cfg
label install
	kernel linux-$isonameshort
	$appendsection liveinstall

label Gnome
	kernel linux-$isonameshort
	$appendsection gnome

label memtest
	kernel memtest

EOF
	fi
	add_harddisk_section

}
create_syslinux_cfg() {
        if [[ $distroname == suse ]]; then
        	cat <<EOF >$syslinuxpath/syslinux.cfg
implicit 1
prompt   1
timeout  100
$isolinux_msg
$ui
default $isonameshort

EOF
	else
	if [[ -e /usr/share/syslinux/vesamenu.c32 ]]; then
		cp /usr/share/syslinux/vesamenu.c32 $syslinuxpath/ || echo "vesamenu.c32 cannot be copied"
	elif [[ -e /usr/lib/syslinux/modules/bios/vesamenu.c32 ]]; then
                cp /usr/lib/syslinux/modules/bios/* $syslinuxpath/ || echo "vesamenu.c32 cannot be copied"
	else
		cp -r /usr/lib/syslinux/* $syslinuxpath/ || echo "vesamenu.c32 is missing or cannot be copied"
	fi
                cat <<EOF >$syslinuxpath/syslinux.cfg
default vesamenu.c32
ONTIMEOUT $isonameshort
ALLOWOPTIONS 0
PROMPT 0
IMPLICIT 1
OPTIONS 1
TIMEOUT 100

EOF

fi
}
add_menu_section () {
        cat <<EOF >>$syslinuxpath/syslinux.cfg

LABEL $isonameshort
        kernel linux-$isonameshort
        $appendsection

EOF
	if [[ $distroname == suse ]]; then
		add_menu_section_suse
	fi
}

echo "Please make sure the following information is correct:"
echo "iso name: $isoname distro: $distroname stick device: $stickdevice"
echo "stick uuid: /dev/disk/by-uuid/$stickuuid stick partition: $stickpart"
if [[ ! -f $liveusbgui ]]; then
	are_you_sure "continue ?" "y" "n"
fi
if [[ $distroname == isohybrid ]];then
	try_cp_with_progress "$1" "$2"
else
	mkdir $isomount $stickmount &>/dev/null
	if mount | grep $stickdevpart &>/dev/null; then
		if ! umount $stickdevpart &>/dev/null; then
			echo "$stickdevpart in use, please umount it before continuing"
			exit 1
		fi
	fi
	if ! mount $2 $stickmount &>/dev/null; then
		echo "unable to mount the usb stick partition"
		exit 1
	fi
	if [[ -e $stickmount/$isoname ]];then
		isopath=$stickmount/$isoname
		echo "using existing $isoname on the stick"
	else
		isopath=$iso_symlink
		if [[ $distroname != fedora ]]; then
			echo "copying $isoname to usb stick"
			try_cp_with_progress "$1" "$stickmount/$isoname"
			if [[ $isosize != $(stat -c%s "$stickmount/$isoname") ]]; then
				echo "Source and destination image does not match"
				exit 1
			fi
		fi
	fi
	if [[ -f $stickmount/fatstick ]]; then
		echo "the stick is already bootable stick"
		if ! grep -q $isonameshort $syslinuxpath/syslinux.cfg; then
			copy_kernel_initrd
			echo "adding new image to boot menu"
			add_menu_section
		fi
	else
		syslinux_stuff
		echo "creating menu entries"
		create_syslinux_cfg
		add_menu_section
	fi
	touch $stickmount/fatstick
	thisscript=$(readlink -f $0)
	cp $thisscript $stickmount/ &>/dev/null || true
fi
clean_up

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File live-fat-stick of Package live-fat-stick

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