Subversion Repositories livecd

#!/bin/bash

#

################################################################

#

# Used to build a MINI LiveCD

# - save diskspace by moving folders to /mini

#   disable this with "-nomove" option !

# - direct login to icewm as LOCALUSER

#   or as root (option -rootlogin)

# - configure icewm

# - run "minil-livecd -restore" to restore files from /mini again

#

# Urs Beyerle

#

################################################################

# source livecd.conf

. livecd.conf

###############################################################

### -----------------------------------------------------------

### List of folders (or files) to move:

### -----------------------------------------------------------

FOLDERS="/usr/src \

         /usr/share/doc \

         /usr/share/info \

         /usr/share/anaconda \

         /usr/share/gdm \

         /var/cache/yum \

         /etc/cups/ppds.dat \

         /etc/gconf/gconf.xml.defaults \

         /usr/X11R6/lib/X11/doc \

         /usr/share/vim/vim63/doc \

         /usr/share/vim/vim63/lang \

         /usr/share/emacs/21.3/etc/DOC-21.3.1 \

         /usr/share/pixmaps/nautilus \

         /usr/share/cups \

	 /usr/share/icons"

#        /var/lib/rpm \

### -----------------------------------------------------------

### locales we don't need, we keep: en, de, fr

### ----------------------------------------------------------- 

### /usr/share/locale

### ----------------------------------------------------------- 

# do we restore?

if [ -d /mini/usr/share/locale/zh_TW.Big5 ]; then

    MOVE_LOCALE=$( find /mini/usr/share/locale/* -maxdepth 0 -type d  \

	      | while read f; do echo ${f##/mini}; done )

else

    MOVE_LOCALE=$( find /usr/share/locale/* -maxdepth 0 -type d \

              | grep -v en | grep -v de | grep -v fr )

fi

# add to FOLDERS

FOLDERS="$FOLDERS $MOVE_LOCALE"      

### /mini/usr/share/backgrounds/images/

mv /mini/usr/share/backgrounds/images/* /usr/share/backgrounds/images/ 2>/dev/null 

### /usr/lib/locale

### ----------------------------------------------------------- 

# do we restore?

if [ -d /mini/usr/lib/locale/zh_TW ]; then

    MOVE_LOCALE=$( find /mini/usr/lib/locale/* -maxdepth 0 -type d  \

	      | while read f; do echo ${f##/mini}; done )

else

    MOVE_LOCALE=$( find /usr/lib/locale/* -maxdepth 0 -type d \

              | grep -v en | grep -v de | grep -v fr )

fi

# add to FOLDERS

FOLDERS="$FOLDERS $MOVE_LOCALE"      

### /usr/share/i18n/locales

### ----------------------------------------------------------- 

# do we restore?

if [ -d /mini/usr/share/i18n/locales/zh_TW ]; then

    MOVE_LOCALE=$( find /mini/usr/share/i18n/locales/*  -maxdepth 0 -type f \

	      | while read f; do echo ${f##/mini}; done )

else

    MOVE_LOCALE=$( find /usr/share/i18n/locales/*  -maxdepth 0 -type f \

              | grep -v en | grep -v de | grep -v fr | grep -v POSIX )

fi

# add to FOLDERS

FOLDERS="$FOLDERS $MOVE_LOCALE"      

### -----------------------------------------------------------

function usage() {

   ## Usage

   # ----------------------------------------------------------

   cat <<EOF

   Options:

    -h:         print this screen

    -restore:   restores the folders saved in /mini

    -nomove:    do not move to /mini

    -rootlogin: login directly as root and not as LOCALUSER

    -psi:       build for PSI

EOF

}

### -----------------------------------------------------------

### read options from command-line

RESTORE=""

while [ $# -gt 0 ]; do

    case "$1" in

       -h)

            usage; exit;;

       -restore)

            RESTORE="-restore"; shift; continue;;

       -psi)

            PSI="-psi"; shift; continue;;

       -nomove)

            NOMOVE="-nomove"; shift; continue;;

       -rootlogin)

            ROOTLOGIN="-rootlogin"; shift; continue;;

       *)

            usage; exit;;

    esac

done

### -----------------------------------------------------------

### LOCALUSER name?

if [ $PSI ]; then 

    LOCALUSER=l_psi

else

    LOCALUSER=sluser

fi

### -----------------------------------------------------------

### Modifications for Mini LiveCD

if [ ! $RESTORE ]; then

    if [ ! $NOMOVE ]; then

	echo

	echo "--------------------------------------------"

	echo "Save diskspace by moving folders to /mini:"

	echo "--------------------------------------------"

	mkdir -p /mini

	for folder in $FOLDERS; do

	    echo "Move $folder"

	    name=$( basename $folder )

	    base=${folder%$name}

	    mkdir -p /mini/${base}

	    mv ${folder} /mini${base}

	done

    fi

    ### run updatedb

    echo "Run updatedb..."

    . /etc/updatedb.conf 2>/dev/null

    rpm -q mlocate >/dev/null

    if [ "$?" = "0" ]; then

	/usr/bin/updatedb -e "/media /sfs /tmp /boot /livecd /home /net /trunk"

    else

	/usr/bin/updatedb -e /media,/tmp,/boot,/livecd,/home,/net,/trunk

    fi

    echo "done."

    ### change init runlevel to 3

    sed -i "s/id\:.\:initdefault/id\:3\:initdefault/" /etc/inittab

    ### autologin at tty6

    if [ $ROOTLOGIN ]; then

	line="6:2345:respawn:\/sbin\/mingetty --autologin root tty6"

	# modify .bashrc for root

	grep -q "/dev/tty6" /root/.bashrc

	if [ "$?" = "1" ]; then

	    echo 'if [ "$( tty )" = "/dev/tty6" ]; then startx; fi' >> /root/.bashrc

	fi

    else

	line="6:2345:respawn:\/sbin\/mingetty --autologin $LOCALUSER tty6"

    fi

    sed -i "s/.*respawn.*tty6.*/$line/" /etc/inittab

    ### /etc/rc.d/init.d/login

    ### Provides directly login over xinit

    cp -a customize/login /etc/rc.d/init.d/login

    chmod +x /etc/rc.d/init.d/login

    ### modify /etc/rc.d/init.d/runlast: add /etc/init.d/login at the end

    RUNLAST=/etc/rc.d/init.d/runlast

    echo >> $RUNLAST

    echo "### execute /etc/init.d/login for direct login" >> $RUNLAST

    echo "/etc/init.d/login" >> $RUNLAST

    echo >> $RUNLAST

### -----------------------------------------------------------

### Restores some modifications

else

    if [ ! $NOMOVE ]; then

        ### remove default html page

	rm /usr/share/doc/HTML/index.html

	rm -rf /usr/share/doc/livecd

	rmdir /usr/share/doc/HTML

	rmdir /usr/share/doc

	echo

	echo "--------------------------------------------"

	echo "Restore folders saved in /mini:"

	echo "--------------------------------------------"

	for folder in $FOLDERS; do

	    echo "Restore $folder"

	    name=$( basename $folder )

	    base=${folder%$name}

	    mv /mini${folder} ${base}

	done

	mv /mini/usr/share/i18n/locales/* /usr/share/i18n/locales/

	echo "done."

    fi

fi

echo "--------------------------------------------"

echo "End of mini-livecd.sh" 

echo "--------------------------------------------"

echo