#! /bin/sh
 #
 #
 #   Example usage:
 #   trmkinitrd initrd-2.6.10
 #
 #   A complementary script 'truninitrd' performs the
 #   reverse operation of this script.
 #
 #   $Author:$
 #   $Date:$
 #
 #   $Revision:$
 #
 # ======================================================

 if [ $# -eq 0 -o ! -d $1 ]; then
    echo "Initrd builder"
    echo ""
    echo "Run this script by specifying the name of a "
    echo "directory containg initrd image data as the first argument."
    echo "Usage:"
    echo "trmkinitrd initrd.2.x.y"
    exit 1
 fi


 img=$1

 echo "Creating cpio style image ${img}.img"
 find $1 | cpio --create --format='newc' > ${img}.img

 echo "gzip compressing ${img}.img"
 gzip ${img}.img
 mv ${img}.img.gz ${img}.img

 #   echo "copying to tftp server root"
 #   sudo cp ${img}.img /tftpboot

 echo "Complete"

#! /bin/sh
 #
 #
 #   Example usage:
 #   truninitrd /boot/initrd-2.6.10.img
 #
 #   A complementary script 'trmkinitrd' performs the
 #   reverse operation of this script.
 #
 #   $Author:$
 #   $Date:$
 #
 #   $Revision:$
 #
 # ======================================================

 if [ $# -eq 0 ]; then
    echo "Initrd unroller"
    echo ""
    echo "Run this script by specifying the name of a "
    echo "compressed initrd image as the first argument."
    echo "The source image will be unrolled into a directory"
    echo "structure in the present working directory. "
    echo "The source image will be left unmodified."
    echo "May require root privileges to create dev/ directories."
    echo "Usage:"
    echo "truninitrd /boot/initrd.2.x.y-zzzz.img"
    exit 1
 fi

 img=`basename $1 .img`
 gzimg=${img}.gz

 echo "Preparing directory structure ${img}"
 if [ ! -d $img ]; then
   mkdir $img
   echo "New base directory $img created"
 else
   rm -rf $img/*
   echo "Removed old directory contents"
 fi

 echo "Uncompressing image"
 cp $1 ${img}/$gzimg
 cd $img
 gunzip $gzimg

 echo "De-archiving cpio archive image"
 cpio -i < $img

 echo "Complete"