root/morphix/trunk/morph-scripts/install2mainmod

#!/bin/sh
# Generate a Morphix mainmodule from the current installed linux
#
# Copyright Alex de Landgraaf, 2004 <alextreme at xs4all dot nl>
# licensed under the GNU GPL v2, see www.gnu.org for details
# With thanks to the makers of the ABS guide

# Usage: install2mainmod [/tmp/destination.mod]

if [ $# -ne 0 ]; then
        if [ -e "$1" ]; then
                echo "File already exists, please choose a different destination"
                exit 1
        fi
        if [ "$1" -eq "-h" -o $1 -eq "--help" ]; then
                echo "Builds a mainmodule from your current install"
                echo "Note that you need enough freespace and RAM"
                echo "  Usage: install2mainmod [/tmp/destination.mod]"
                exit 1
        fi
fi

if [ -n "$1" ]; then
        DESTMOD=$1
else
        DESTMOD="/tmp/MorphixMain-generated.mod"
fi

echo "Ready to start mainmodule generating from current installed Linux"
echo "Press enter to continue, Ctrl-C to abort"
read
echo
echo "Copying files, please wait..."

MODDIR=`mktemp -d i2m.XXXXXX`

if [ -z "$MODDIR" ]; then
    echo "MODDIR not set, aborting to avoid chaos..."
    exit 1
fi

if [ "$MODDIR" -eq "" ]; then
    echo "MODDIR is equal to empty string, aborting to avoid chaos..."
    exit 1
fi

mkdir $MODDIR/MorphixCD
mkdir $MODDIR/boot
mkdir $MODDIR/cdrom
mkdir $MODDIR/cdrom1
mkdir $MODDIR/dev
mkdir $MODDIR/floppy
mkdir $MODDIR/home
mkdir $MODDIR/mnt
mkdir $MODDIR/proc
mkdir $MODDIR/root
mkdir $MODDIR/tmp

# These are the bootscripts for the module
# Not much more than placeholders if there weren't any,
# if there were then just copy and use the old 'uns
if [ -e /morphix ]; then
        cp -af /morphix $MODDIR/
else
        NOMORPHDIR=yes
        mkdir $MODDIR/morphix
        echo "#!/bin/sh" >> $MODDIR/morphix/loadmod.sh
        echo "echo \"Chrooting to MainModule\"" >> $MODDIR/morphix/loadmod.sh
        echo "chroot /mnt/main sh /morphix/init.sh" >> $MODDIR/morphix/loadmod.sh
        echo "#!/bin/sh" >> $MODDIR/morphix/init.sh
        echo "# Put stuff to load at boottime here" >> $MODDIR/morphix/init.sh
        echo "MyLivecd" >> $MODDIR/morphix/main_module
        echo "This mainmodule has been auto-generated by install2mainmod" >> $MODDIR/morphix/main_module
fi

# Copy the contents of the filesystem into the temporary directory
cp -af /bin $MODDIR/
cp -af /etc $MODDIR/
cp -af /lib $MODDIR/
# Remove the kernel modules: these come from the base module
rm -rf $MODDIR/lib/modules/*
cp -af /sbin $MODDIR/
cp -af /usr $MODDIR/
cp -af /var $MODDIR/

# applying libGL patch
# this is messy, but necessary for libGL to work. It's placed back at boottime
mkdir $MODDIR/usr/lib/backup
mv $MODDIR/usr/lib/libGL.* $MODDIR/usr/lib/backup

# If the morph user exists, we should remove it
# It's made at boottime from the contents of /etc/skel in the mainmod
chroot $MODDIR deluser --remove-all-files morph

echo "Done creating the uncompressed livecd in $MODDIR"
echo "You now have the possibility to make manual changes"
if [ -n "$NOMORPHDIR" ]; then
        echo "As your system didn't have a /morphix directory, I made one for you"
        echo "However, you'll have to manually edit the $MODDIR/morphix/init.sh script"
        echo "in order for anything to load at boottime."
        echo "See our CVS/scripts-main and www.morphix.org for examples"
fi
echo "Press enter to continue and compress the filesystem, press Ctrl-C to abort"
read

`mkisofs -R -U -V "Morphix" -P "Morphix" -hide-rr-moved -cache-inodes -no-bak -pad $MODDIR | nice -5 create_compressed_fs - 65536 > $DESTMOD`

echo
echo "Compressing complete"
echo "Your module is available as $DESTMOD"
echo "Your uncompressed module is available as $MODDIR, you may safely remove it"
echo "Have a nice day, and happy morphing!"
echo