update_initrd.sh

#!/bin/sh
#Update Zeroshell initrd.gz
#30th May 2012
#This code was written using :
#http://edwidianto.wordpress.com/2010/06/04/instalasi-dan-update-zeroshell-1-0-beta12-retro/#
#

show_error() {
        echo"$1"
        exit
}

INITRD_TARGET_DIR=/mnt/initrd

LOOP_MOD='loop.ko'

LOOP_TARGET_DIR=/lib


SATA_CHIP_MOD='sata_inic162x.ko sata_mv.ko sata_nv.ko sata_promise.ko sata_qstor.ko sata_sil24.ko sata_sil.ko sata_sis.ko sata_svw.ko sata_sx4.ko sata_uli.ko sata_via.ko sata_vsc.ko'

SATA_CHIP_TARGET_DIR=/lib/sata/chipsets

SATA_DEPS_MOD='libata.ko pata_sis.ko'

SATA_DEPS_TARGET_DIR=/lib/sata/deps


USB_HOST_MOD='ehci-hcd.ko isp116x-hcd.ko ohci-hcd.ko r8a66597-hcd.ko sl811-hcd.ko u132-hcd.ko uhci-hcd.ko'

USB_HOST_TARGET_DIR=lib/usb/host

USB_STORAGE_MOD='sr_mod.ko usb-storage.ko'

USB_STORAGE_TARGET_DIR=/lib/usb/storage

USB_DEPS_MOD='ftdi-elan.ko ssb.ko'

USB_DEPS_TARGET_DIR=/lib/usb/deps

echo "various module names and their target directories stored ..for future copy to target dirs in the initrd image..";#sleep 10
#Mount initrd.gz


cp ./initrd.gz /tmp/

gzip -d /tmp/initrd.gz

#Check if already mounted

mount | grep -qe "$INITRD_TARGET_DIR" && umount $INITRD_TARGET_DIR

mount /tmp/initrd -o loop $INITRD_TARGET_DIR
#Copy to target



copy_target() {

    for file in $1; do

        SRC_MOD="`find /lib/modules/2.6.39.4/ -type f -iname $file`"

        if [ "$SRC_MOD" == "" ];then

            echo "Warning: $file doesn't exist."

            continue # just give a warning

        else
            echo "$SRC_MOD FOUND";
            cp -af $SRC_MOD $INITRD_TARGET_DIR/$2
        fi

    done
    }

echo "Copying loop modules..." ;#sleep 10

copy_target $LOOP_MOD $LOOP_TARGET_DIR

echo


echo "Copying sata_chip modules..."

copy_target "$SATA_CHIP_MOD" $SATA_CHIP_TARGET_DIR

"Copying sata_deps modules..."

copy_target "$SATA_DEPS_MOD" $SATA_DEPS_TARGET_DIR

echo


echo "Copying usb_host modules..."

copy_target "$USB_HOST_MOD" $USB_HOST_TARGET_DIR


echo "Copying usb_storage modules..."

copy_target "$USB_STORAGE_MOD" $USB_STORAGE_TARGET_DIR


echo "Copying usb_deps modules..."

copy_target "$USB_DEPS_MOD" $USB_DEPS_TARGET_DIR


#Umount initrd & create initrd.gz

mount | grep -qe "$INITRD_TARGET_DIR" && umount $INITRD_TARGET_DIR
echo "unmounted $INITRD_TARGET_DIR" ;
gzip /tmp/initrd #compress it

cp -f /tmp/initrd.gz ./


echo "Done"