#!/bin/bash -x
#
# Create a minimal RootFS that fits on floppy
# --------------------------------------------
#
# Original Files
# --------------
#	http://Linux-Boot.net/Boot.Standalone/FD/Floppy.Howto.sh.txt
#	http://Linux-Boot.net/Boot.Standalone/FD/Floppy.RootFS.sh.txt
#
#
# 21-Jan-05 amo Date-of-Birth
# 16-Mar-05 amo Split apart Standalone-BootFloppy-Howto into sections
#
#
#
# Sanity Checking -- get the build environment
# ============================================
# 
if [ ! -f Floppy.variables.sh.txt ];
then
  echo "#"
  echo "# ERROR: cannot find all the scripts "
  echo "#"
  #
  exit 1
  #
fi
#
source Floppy.variables.sh.txt
#
#
#
# ========================================================
# Directory Tree for minimum rootFS that runs in /dev/ram
# ========================================================
#
#
CreateRootFS()
{
  #
  DLoop="/tmp/loop.initrd"
  MLoop="/mnt/loop"
  #
  umount $MLoop
  #
  doecho "dd if=/dev/zero of=$DLoop count=8192 bs=1024"
  doecho "mke2fs -q -j $DLoop"
  #
  doecho "mount -o rw,loop $DLoop $MLoop"
  #
  doecho "cd $MLoop"
  echo "#"
  #
  #
  doecho "mkdir boot bin dev etc lib mnt proc sbin tmp usr var"
  chmod 1777 tmp
  #
  #
  doecho "cp -dpar /lib/libc.* /lib/ld-2.* /lib/ld-linux.* $MLoop/lib"
  #
  doecho "cp -dpar $FDEV /dev/ram /dev/ram0 /dev/ram1 /dev/loop0 /dev/loop1 $MLoop/dev"
  #
  doecho "cp -dpar /bin/ls /bin/bash /bin/sh /bin/tar $MLoop/bin"
  doecho "cp -dpar /bin/mount /bin/umount $MLoop/bin"
  #
  doecho "cp -dpar /sbin/ifconfig /sbin/route $MLoop/sbin"
  #
  # remove the prev copy
  rm -f $DLoop.gz ; sleep 2
  #
  echo "#"
  doecho "sync ; gzip -9 $DLoop"
  echo "#"
  #
  doecho "cp -p $DLoop.gz  $FMNT/boot/initrd-2.4.29.gz"
  #
  umount $MLoop
  #
} # CreateRootFS
#
#
#
# ===========================================================
#
echo "#"
echo "# Create a minimum RootFS "
echo "#"
#
CreateRootFS
#
#
# End of file