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140 lines
5.0 KiB
140 lines
5.0 KiB
#!/usr/bin/env bash
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#set -x
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############################################################################
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# Disassemble an amaroK LiveCD iso file into a specified directory
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# for the purpose of adding a users own music and putting it back together
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#
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# Based on a script authored by Ivan Kerekes <ikerekes@gmail.com>
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# and modified by Leo Franchi <lfranchi at gmaildotcom>, Mike Diehl
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# <madpenguin8 at yahoodotcom> and Greg Meyer <greg at gkmwebdotcom>
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#
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# See the file called README for more information
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############################################################################
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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############################################################################
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# We need to be root to mount the loopback
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# check for root and exit if not
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if [ `/usr/bin/whoami` = 'root' ]; then
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kdialog --title "amaroK livecd remaster" --yesno "Welcome to the amaroK live cd remaster utility. The first step is to select the iso image, would you like to continue."
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if [ $? = 0 ] ; then
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iso=`kdialog --getopenfilename /home "*.iso"`
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WORK=`kdialog --title "Choose working directory" --getexistingdirectory .`
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if [ $WORK = 0 ] ; then
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exit;
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fi
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# Determine if enough space
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redo=0
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enough=0
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tmp=$WORK
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while [ "$redo" = "0" ]; do
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while [ "$enough" = "0" ]; do # loops until found something
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if [[ -n `df | grep $tmp` ]] ; then # we got it in df, find the space left
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anotmp=`df | grep $tmp | sed "s~^\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\)$~\4~"` # now we have a string, first item is free space in /
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free=`echo $anotmp | sed "s~^\([^ ]*\) \(.*\)~\1~"` # get first space-delimited item
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echo "comparing" $free "to 1572864"
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if [[ $free -gt 1572864 ]] ; then
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enough=1
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redo=1
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break
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else
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kdialog --sorry "Not enough free space. Please select another folder."
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break
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fi
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else
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res=`echo "$tmp" | sed "s~/\(.*\)/\([^/]*\)$~/\1~"`
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if [[ "$tmp" = "$res" ]]; then # last one, regexp fails here
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tmp="/"
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else #normal, removes one dir from path
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tmp=$res
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fi
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echo "new tmp: " $tmp
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fi
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done
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if [[ "$redo" = "0" ]]; then
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WORK=`kdialog --title "Choose working directory" --getexistingdirectory .`
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tmp=$WORK
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if [[ "$?" == 0 ]]; then
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break
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else
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exit
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fi
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enough=0
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fi
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done
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# Mount the iso if not already mounted
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if [ ! -d "$DATADIR" ]; then
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DATADIR=$WORK/livecd_data$$
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mkdir -p "$DATADIR"
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mount -o loop "$iso" "$DATADIR"
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fi
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# Make the working directories and blow out the initrd.gz into a separate directory
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mkdir -p $WORK/mklivecd/livecd
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cp -a --preserve "$DATADIR"/* $WORK/mklivecd/livecd/
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mkdir -p $WORK/mklivecd/initrd.dir
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mkdir -p $WORK/mklivecd/initrd.mnt
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gunzip -c $WORK/mklivecd/livecd/isolinux/initrd.gz > $WORK/mklivecd/livecd/isolinux/initrd
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mount -o loop $WORK/mklivecd/livecd/isolinux/initrd $WORK/mklivecd/initrd.mnt
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(cd $WORK/mklivecd/initrd.mnt ; tar cf - .) | (cd $WORK/mklivecd/initrd.dir ; tar xf -)
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umount $WORK/mklivecd/initrd.mnt
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rm -f $WORK/mklivecd/livecd/isolinux/initrd
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# cleanup all temporary files and directories
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umount "$DATADIR" 2>/dev/null >/dev/null
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if [ "$?" = "0" ]; then rmdir $DATADIR; fi
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# at this point we unsquash the fs so the user can add their own music
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if [[ `cat /proc/filesystems | grep squash | wc -l` = 0 ]]; then
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modprobe squashfs
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if [[ `cat /proc/filesystems | grep squash | wc -l` = 0 ]]; then
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kdialog --title "amaroK livecd remaster" --error "You do not have squashfs support enabled. You need to have a patched kernel with squashfs. You can find more info about squashfs, and how to patch your kernel, here: http://tldp.org/HOWTO/SquashFS-HOWTO/"
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rm -rf $WORK/mklivecd
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fi
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fi
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mkdir $WORK/amarok.livecd/
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mount -o loop -t squashfs $WORK/mklivecd/livecd/livecd.sqfs $WORK/amarok.livecd/
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# gotta copy it locally so the user can add files to it
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mkdir $WORK/amarok.live/
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kdialog --title "amaroK livecd remaster" --msgbox "Copying files now. Please be patient, this step takes a long time."
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echo
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echo "Please wait, copying in progress."
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echo
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cp -a $WORK/amarok.livecd/* $WORK/amarok.live/
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umount $WORK/amarok.livecd/
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rmdir $WORK/amarok.livecd
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kdialog --title "amaroK livecd remaster" --msgbox "Copying done. To add music to the amaroK livecd, place additional music in /tmp/amarok.live/music/ Please do not add more than about 380 mb, as then the resulting ISO will be too large to fit on a CD-ROM. Once you are done, run the amarok.live.remaster.part2.sh script and you are finished!."
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fi
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else
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kdialog --title "amaroK livecd remaster" --sorry "You must run this script as root. Try running 'kdesu sh amarok.live.remaster.part1.sh' instead."
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fi
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