path: root/initrd/mkdxsinitrd

#!/bin/bash
#
# Description:  universal (distro independent) generator for initial
#               ramdisks for linux diskless clients (stage2 system
#               setup)
#
# Author(s):    Dirk von Suchodoletz <dirk@goe.net>, 18-09-2006
#               Nico Dietrich
#               Felix Endres
#               mj0, 13-09-2006 theming added
#
# Copyright:    (c) 2003 - 2006 - RZ Universitaet Freiburg
#               (c) 2006 - openslx.org project
#
# Version:      0.4.5d

# debug level of script itself
DEBUG=1
# debug level of the initramfs (to trigger the addition of specific
# binaries and kernel modules)
IRFSDEBUG=1
COMETCEXCL="XF86Config*\nissue*\nmtab*\nfstab*\n"
COMDIRINDXS="/tmp/scratch /var/lib/nobody"

# distro specific settings read from configuration file
# D_SYSCONFDIR - system wide configuration settings in /etc - sysconfig in
# SuSE and RedHat, default in Debian and Ubuntu, conf.d in Gentoo
# D_ETCEXCL - list of files, wildcards to be excluded from /etc when using
# bind mounts
# D_DIRINBINDMNT - lists of directories to be created in bind mounted rw
# part of the client filesystem
# D_RODIRSINRW - ReadOnly Directories in RW part of filesystem to save on
# TempFS usage
# D_DIRINDXS - directories in client filesystem which should be present
# anyhow
# D_BINDMNT - any code which is specific in bind mount environment
# D_RCDIRS - runlevel directories relative to /etc
# D_HWMODTOIGNORE -

# just ensure that variables are set and the user gets an idea if
# something fails
D_SYSCONFDIR="<set in ~/distro-config/distro file>"
D_ETCEXCL="<set in ~/distro-config/distro file>"
D_BINDMPTS="<set in ~/distro-config/distro file>"
D_DIRINBINDMNT="<set in ~/distro-config/distro file>"
D_RODIRSINRW="<set in ~/distro-config/distro file>"
D_DIRINDXS="<set in ~/distro-config/distro file>"
D_BINDMNT="<set in ~/distro-config/distro file>"
D_INITDIR="<set in ~/distro-config/distro file>"
D_INITBOOTD="<set in ~/distro-config/distro file>"
D_RCDIRS="<set in ~/distro-config/distro file>"
D_RCDIRSINRW="<set in ~/distro-config/distro file>"
D_INITSCRIPTS="<set in ~/distro-config/distro file>"
D_XF86CONFFILE="<set in ~/distro-config/distro file>"
D_XFONTPATH="<set in ~/distro-config/distro file>"
D_DEFAULTCOUNTRY="<set in ~/distro-config/distro file>"

#########################################################################
# End of global variable declaration, nothing needed to be changed at
# default below that line

usage()
{
  echo -e "mkdxsinitrd  [-bgh] [-k kernel version] [-i path/file] \
[-f module(s)] [-n module(s)] [-r path] [-s theme]\n"
  echo "OPTIONEN"
  echo "  -g     Benutze glibc als Basisbibliothek in der ramdisk."
  echo "  -b     Use busybox instead of separate binaries."
  echo "  -h     Zeige Informationen zur Benutzung."
  echo "  -k Kernelversion"
  echo "        mkdxsinitrd  versucht  die  aktuellste  Kernelversion zu finden."
  echo "        Falls  dies  nicht  klappt,  oder  eine   andere   Kernelversion"
  echo "        gewünscht  ist  kann  diese  hier angegeben werden (funktioniert"
  echo "        natürlich nur für auf dem  Hostsystem  vorhandene  Kernelversion"
  echo "        nen)."
  echo "  -i path/file"
  echo "        Optionale  Angabe wo die erstellte ramdisk hingeschrieben werden"
  echo "        soll."
  echo "  -f Modulliste"
  echo "        Kernelmodule die benutzt werden  sollen  um  das  Rootfilesystem"
  echo "        über das dem Netzwerk zu mounten (z.B. nfs, nbd dnbd)."
  echo "  -n Modulliste"
  echo "        Kernelmodule zum Betrieb der Clientnetzwerkkarten (z.B. e100 tg3"
  echo "        via-rhine)."
  echo "  -r path"
  echo "        Pfad zum Wurzelverzeichnis des zu exportierenden  Betriebsystems"
  echo "        (z.B. /export/10.1)."
  echo "  -s theme (for splash)"
  echo "  -d debug (add special modules to initramfs)"
  echo "  -D Name"
  echo "        Name der Distribution der Betriebsystemvorlage"
  echo "  -v Version"
  echo "        Versionskennung der Distribution der Betriebsystemvorlage"
  exit 0
}

# replaces which command to find executables inside ROOTDIR
binfinder()
{
local PROGRAM="$1"
local RET=1
for ELEMENT in bin sbin usr/bin usr/sbin usr/local/bin \
               usr/local/sbin usr/bin/X11; do
  if [ -f "${ROOTDIR}/$ELEMENT/$PROGRAM" ] && \
     [ -x "${ROOTDIR}/$ELEMENT/$PROGRAM" ]; then
    printf '%s\n' "${ROOTDIR}/$ELEMENT/$PROGRAM"
    RET=0
    break
  fi
done
return $RET
}

# copy some binary to given destination. Takes binary in $1 and
# destination in $2
cobi()
{
local DEST=$2
local FPTB=`binfinder $1`
if [ -z ${FPTB} ] ; then
  return 1;
elif [ -L ${FPTB} ] ; then
  # do not copy the link but the binary the link points to
  local LINKDEST=`ls -la ${FPTB} | sed -e "s,.* ,,"`
  case $LINKDEST in
    /*) FPTB=${ROOTDIR}${LINKDEST}
	;;
    *) ;;
  esac
  cp ${FPTB} ${INSTDIR}/${DEST}
else
  cp ${FPTB} ${INSTDIR}/${DEST}
fi
# get an idea which libraries are needed
# fixme: that might not work if executed on different architecture than
# client root is
chroot ${ROOTDIR} ldd ${FPTB#${ROOTDIR}*} >> ${INSTDIR}/tmp/libraries
# possible solution: use the server binary, get library names and look
# them up manually - fixme: does ldd understand foreign architecture
# binaries
}

# replace copy
repco()
{
local FILENAME=$1
DATE=`date +%m-%d-%Y`
# do not forget to define all variables which should be replaced within
# the start and configuration scripts. All comment lines will be deleted.
if [ -d initrd-stuff/${FILENAME} ] ; then
  [ -d ${INSTDIR}/${FILENAME} ] || mkdir -p ${INSTDIR}/${FILENAME}
else
  if file initrd-stuff/${FILENAME}| grep "ELF" &>/dev/null ; then
    cp initrd-stuff/${FILENAME} ${INSTDIR}/${FILENAME}
  elif [ -L initrd-stuff/${FILENAME} ] ; then
    cp -a initrd-stuff/${FILENAME} ${INSTDIR}/${FILENAME%/*}
  else
    sed -e "s,@@@INSTDIR@@@,${INSTDIR},g;s,@@@KERNVER@@@,${KERNVER},g" \
        -e "s,@@@DISTRO@@@,${DISTRO}-${DISTRO_VER},g;s,@@@NETIF@@@,${NET_IF},g" \
        -e "s,@@@NWMODULES@@@,${NWMODULES},g" \
        -e "s,@@@COMDIRINDXS@@@,${COMDIRINDXS},g" \
        -e "s,@@@COMETCEXCL@@@,${COMETCEXCL},g" \
        -e "s,@@@DATE@@@,${DATE},g;/^#[^!].*/d" \
          initrd-stuff/${FILENAME} >> ${INSTDIR}/${FILENAME}
    [ -x busybox -a "$use_busybox" = 1 ] && sed -e "s,^#!/bin/sh,#!/bin/ash," \
      -i ${INSTDIR}/${FILENAME}
  fi
fi
}

copy_distro_stuff() {
  # copy first the default distro dependent configuration (variables) and
  # function files, then append to each the distro/version specific file
  # variables, functions set in default might that way be overwritten by
  # definitions in distro/version specific files
  # fixme!! files should be taken from /usr/share/openslx/distro-specs
  cat distro-specs/$1/config-default >${INSTDIR}/etc/sysconfig/config
  cat distro-specs/$1/config-$2 >>${INSTDIR}/etc/sysconfig/config
  cat distro-specs/$1/functions-default >${INSTDIR}/etc/distro-functions
  cat distro-specs/$1/functions-$2 >>${INSTDIR}/etc/distro-functions
  # would be cool not to copy .svn here ...
  # fixme!! works only for etc directories. If dir exists then next copy places
  # file into the existing dir
  cp -a distro-specs/$1/files-default ${INSTDIR}/etc/sysconfig/files 2>/dev/null
  # ... so remove them afterwards ...
  find ${INSTDIR}/etc/sysconfig/files \
    -regex ".*/\..*" -exec rm -rf {} 2>/dev/null \;
}

# This function makes the directory of this script to the present working
# directory
# It is called within precheck()
# Does also work when called by symbolic links (even for nested links).
goto_script_dir()
{
  [ $DEBUG -ge 2 ] && echo "Aufgerufen wurde $0, checking if it is a link"
  calleddetails=`ls -l $0` # get the file flags (e.g. lrwxrwxrwx)
  [ $DEBUG -ge 2 ] && echo $calleddetails

  calleddir=${0%/*}  # Strip the filename from path
  [ $DEBUG -ge 2 ] && echo "Wechsele ins Verzeichnis des aufgerufenen scripts/links ($calleddir)"
  cd $calleddir

  while index=`expr index "$calleddetails" "l"`;
        [ $index -eq 1 ]; do

    [ $DEBUG -ge 2 ] && echo "It is a link"
    target=`echo $calleddetails | awk '{print $NF}'`
    [ $DEBUG -ge 2 ] && echo "The target of the link is: $target"
    hasslash=`expr index "$target" "/"`
    if [ $hasslash -ne 0 ]; then
        targetpath=${target%/*} # extract the pathname
        [ $DEBUG -ge 2 ] && echo "Following link to $targetpath"
        cd $targetpath
    else
        [ $DEBUG -ge 2 ] && echo "It is in the same directory as the link"
    fi
    targetfile=`basename $target`
    [ $DEBUG -ge 2 ] && echo "The target file of the link is: $targetfile"
    calleddetails=`ls -l $targetfile` # get the file flags (e.g. lrwxrwxrwx)
    [ $DEBUG -ge 2 ] && echo $calleddetails
  done
  [ $DEBUG -ge 2 ] && pwd

}

# add a bootsplash image to the initial ramdisk, only SuSE at the moment
# theming

add_theme() {

theme="${theme}"
splashsizes="640x480 800x600 1024x768 1280x1024 1400x1050 1600x1200"
splash_image=
splash_bin=$(chroot $ROOTDIR which splash)
if [ -n "$splashsizes" -a -n "$splash_bin" ]; then

  themes_dir="../theming/openslx/bootsplash"
  if [ -d "/opt/openslx/share/themes/${theme}/bootsplash" ]; then
    themes_dir="/opt/openslx/share/themes/${theme}/bootsplash"
  elif [ -d "$ROOTDIR/etc/bootsplash/themes/${theme}" ]; then
    themes_dir="/etc/bootsplash/themes/${theme}"
  elif [ -d "$ROOTDIR/usr/share/splash/themes/${theme}" ]; then
    themes_dir="/usr/share/splash/themes/${theme}"
  fi

  #fixme: very ugly ;)
  mkdir -p $ROOTDIR/tmp/bootsplash
  cp -a $themes_dir/* $ROOTDIR/tmp/bootsplash
  themes=${themes_dir%bootsplash}
  echo -e "\n\tUsing ${themes} for themes.\n"
  themes_dir=$ROOTDIR/tmp/bootsplash

  if [ -n "$themes_dir" -a \
     -d "$themes_dir" -o -L "$themes_dir" ]; then
    for size in $splashsizes; do
      bootsplash_picture="$themes_dir/images/bootsplash-$size.jpg"
      cfgname="$themes_dir/config/bootsplash-$size.cfg"
      if [ ! -r $cfgname ] ; then
        echo " disabled for resolution $size "
      elif [ ! -r $bootsplash_picture ] ; then
        echo " no image for resolution $size "
      else
        echo -n "${splash_image:+, }$THEME ($size)"
        splash_image=" $splash_image ${cfgname#$ROOTDIR} "
      fi
    done
    echo
  else
    echo "no theme selected"
  fi
fi

# Include bootsplash image
for image in $splash_image; do
  # fixme: ugly hack to have the splash binary
  chroot $ROOTDIR $splash_bin -s -f $image >> ${INSTDIR}/bootsplash
done

rm -rf $ROOTDIR/tmp/bootsplash

# kdm/Xdialog theme
cp -a ${themes}* ${INSTDIR}/usr/share/themes
}


#########################################################################
# End of function declaration

while getopts :bhgk:i:r:o:s:f:n:Sut:d:v:I:V:a: a ; do
  case $a in
    \:|\?)
    case $OPTARG in
      k)  echo "-k requires kernel version parameter";;
      i)  echo "-i requires initrd path parameter";;
      f)  echo "-f requires file system module list parameter";;
      n)  echo "-n requires network module list parameter";;
      r)  echo "-r requires root dir parameter";;
      s)  echo "-s may require theme name";;
      t)  echo "-t requires tmp dir parameter";;
      d)  echo "-d requires debug level (integer)";;
      D)  echo "-D requires linux Distribution name";;
      v)  echo "-v requires linux distribution version";;
      I)  echo "-I requires network interface parameter";;
      V)  echo "-V requires an executable to run inside linuxrc";;
      *)  echo "Unknown option: -$OPTARG"
          echo "Try mkinitrd -h";;
    esac
    exit 1
    ;;
    b)  use_busybox=1;;
    g)  use_glibc=1;;
    k)  KERNVER=$OPTARG;;
    i)  INITRD_PATH=$OPTARG ;;
    f)  FSMODULES=$OPTARG;;
    n)  NWMODULES=$OPTARG ;;
    r)  ROOTDIR=$OPTARG;;
    s)  theme=$OPTARG;;
    t)  INSTDIR=$OPTARG;;
    d)  IRFSDEBUG=$OPTARG;;
    D)  DISTRO=$OPTARG;;
    v)  DISTRO_VER=$OPTARG;;
    I)  NET_IF=$OPTARG;;         # Not in use
    a)  acpi_dsdt="$OPTARG";;    # Not in use
    S)  use_selinux=1;;          # Not in use
    l)  local_init_script="$OPTARG";; # use for pre/postinit.local?
    u)  sysfs_root=1             # Not in use
	    use_udev=
	    ;;
    h)  usage;;
  esac
done
shift $(expr $OPTIND - 1)


#########################################################################
# End of parameter, argument interpretation

#Change to the directory this script is located in
goto_script_dir

# set temporary setup directory, clean it and setup basic directory
# structure
if [ -z "$INSTDIR" ] ; then
  INSTDIR=/tmp/dxs-instrd
fi
rm -rf ${INSTDIR}
mkdir -p ${INSTDIR}/{dev,proc,tmp,mnt,root,bin,sys,lib}
ln -s /bin ${INSTDIR}/sbin
mkdir -p ${INSTDIR}/usr/share
# needed for KNOPPIX hwsetup tool not to be confused with ${D_SYSCONFDIR}
mkdir -p ${INSTDIR}/etc/sysconfig

# if still no distro name set, try to find it using significant files

if [ -z "${DISTRO}" ] ; then
  if [ -e ${ROOTDIR}/etc/SuSE-release ] ; then
    DISTRO=suse
    DISTRO_VER=`grep "VERSION" ${ROOTDIR}/etc/SuSE-release | sed "s/.*= //"`
  elif [ -e ${ROOTDIR}/etc/lsb-release ] ; then
    . ${ROOTDIR}/etc/lsb-release
    DISTRO=${DISTRIB_ID}
    DISTRO_VER=${DISTRIB_RELEASE}
  elif [ -e ${ROOTDIR}/etc/debian_version ] ; then
	if [ $(grep Ubuntu /etc/issue | wc -l) -gt 0 ]; then
		DISTRO=Ubuntu
		DISTRO_VER=`sed 's/[Uu]buntu \([0-9]*\.[0-9]*\).*/\1/' /etc/issue`
	else
    		DISTRO=debian
    		DISTRO_VER=`cat ${ROOTDIR}/etc/debian_version`
	fi
  elif [ -e ${ROOTDIR}/etc/gentoo-release ] ; then
    DISTRO=gentoo
    # any idea on the versioning scheme??
    DISTRO_VER=""
  else
    echo -e "Could not detect client distribution type and version. Please \
specify\nas command line argument (-d <distro-name> -v <distro-version>)"
    exit 1;
  fi
fi

# unify the description of distribution and its version
case "${DISTRO}" in
  Debian*|debian*|Sarge*|sarge*)
    DISTRO=debian
    case "${DISTRO_VER}" in
      Sarge*|sarge*|3.1*|*)
        DISTRO_VER=3.1
	mkdir -p ${INSTDIR}/lib/udev
        cp -r ${ROOTDIR}/lib/udev/* ${INSTDIR}/lib/udev/
      ;;
    esac
  ;;
  Ubuntu*|ubuntu*)
    DISTRO=ubuntu
    case "${DISTRO_VER}" in
      Breezy*|breezy*)
        DISTRO_VER=5.10
        cp ${ROOTDIR}/lib/libnss_compat.so.2 ${INSTDIR}/lib
      ;;
     Dapper*|dapper*)
	DISTRO_VER=6.06
      ;;
    esac
    ;;
  Gentoo*|gentoo*)
    DISTRO=gentoo
    case "${DISTRO_VER}" in
      2005*|*)
        DISTRO_VER=2005.1
      ;;
    esac
  ;;
  SuSE*|suse*|Suse*|SuSe*|SUSE*|*)
    DISTRO=suse
    case "${DISTRO_VER}" in
      9*)
        DISTRO_VER=9.3
      ;;
      10.0)
        DISTRO_VER=10.0
      ;;
      10*)
        DISTRO_VER=10.1
      ;;
    esac

  ;;
esac
# at this point ${DISTRO} ${DISTRO_VER} should be fixed
copy_distro_stuff ${DISTRO} ${DISTRO_VER}

# hotplug/udev type and related stuff
cp -a ${ROOTDIR}/etc/udev ${INSTDIR}/etc

# binary and corresponding library copies could be avoided if a small
# initial ramdisk environment of its own is generated from busybox,
# dietlibc and similar, see odlx project page ...

# devices needed rather early (copied from /tmp to /dev in init)
mknod ${INSTDIR}/tmp/console c 5 1 &>/dev/null
mknod ${INSTDIR}/tmp/null c 1 3 &>/dev/null
mknod ${INSTDIR}/tmp/kmsg c 1 11 &>/dev/null
mknod ${INSTDIR}/tmp/ctl b 241 255 &>/dev/null
# suse specific, but might be usable with other distros too
mknod ${INSTDIR}/tmp/bootsplash p &>/dev/null

# test for the existance of busybox
if [ "$use_busybox" = 1 ]; then
  [ -x busybox ] || {
    unset use_busybox
    echo "You wanted to include busybox, but did not provide it in \
  initrd/ directory."; }
fi
if [ -n "$use_busybox" ] ; then
  cp busybox ${INSTDIR}/bin
  for bbins in [ arping ash cat chmod chown chroot cp date \
        dd df dmesg echo expr fdisk free hwclock insmod ip \
        kill killall ln ls lsmod mkdir mke2fs mkfs.ext2 \
        mkfs.ext3 mknod modprobe mount mv ps rdate rm rmmod \
        sed sort switch_root tar test tftp time udhcpc \
        umount uname usleep vconfig vi; do
    ln -s /bin/busybox ${INSTDIR}/bin/$bbins
  done
  # fake the sh link in busybox environment
  echo -e "#!/bin/ash\n/bin/ash \$@" > ${INSTDIR}/bin/sh
  chmod a+x ${INSTDIR}/bin/sh
else
  # find and copy a shell to be used within initialramfs
  for bbins in bash ash sh; do
    if cobi ${bbins} bin ; then
      ln -fs ${bbins} ${INSTDIR}/bin/sh
      [ "${bbins}" != "ash" ] && ln -fs ${bbins} ${INSTDIR}/bin/ash
      [ "${bbins}" != "bash" ] && ln -fs ${bbins} ${INSTDIR}/bin/bash
      break
    else echo "Binary not found (${bbins})"; fi
  done

  # find and copy ip setup binaries
  for bbins in ip ifconfig; do
    if cobi ${bbins} bin ; then
      [ "${bbins}" = "ifconfig" ] && cobi route bin
      break
    else echo "Binary not found"; fi
  done

  # needed standard binaries (in init, servconfig, hwautocfg, ... scripts)
  for bbins in \
      cat chmod chown chroot cp expr fdisk gzip killall ln ls mkdir \
      mkfs.ext2 modprobe mount rmmod sed sort rm tar umount
    do
    cobi ${bbins} bin || echo "Program ${bbins} not found"
  done

  # binaries useful for debugging purposes
  if [ $IRFSDEBUG -gt 2 ] ; then
    for bbins in \
      date lsmod lsof ps strace time
    do
      cobi ${bbins} bin || echo "Program ${bbins} not found"
    done
  fi

  # tftp client binary for configuration via file - get machine-setup per
  # tftp from dhcp (or specified other) server
  for tftp in atftp tftp ; do
    binfinder $tftp && break;
  done
  cobi $tftp bin || echo "Program ${tftp} not found"
  cp /lib/libnss_files.so.2 ${INSTDIR}/lib
fi

# one of the dhcp clients
for dhcp in dhclient dhcpcd pump ipconfig ; do
  binfinder $dhcp && break;
done
cobi $dhcp bin
mkdir -p ${INSTDIR}/var/{lib,run}

# type of hotplug/udev/dev (for etc directories see above!!)
for bbins in udev udevd udevstart udevtrigger udevsend
  do
  cobi ${bbins} bin &>/dev/null || \
  echo "Program ${bbins} not found; could be most probably ignored"
done

# if nfs is used as clients root filesystem
cobi portmap bin
mkdir -p ${INSTDIR}/var/lib/nfs/state

# if nbd or dnbd is used as clients root filesystem
if [ -n "${FSMODULES}" ] ; then
for i in ${FSMODULES}; do
  case "$i" in
    dnbd)
      cobi dnbd-client bin
    ;;
    nbd)
      cobi nbd-client bin
    ;;
  esac
done
fi

# if unionfs
cobi unionctl bin &>/dev/null || \
  echo "Program unionctl not found; could be ignored ..."

# if cowloop
cobi cowdev bin &>/dev/null || \
  echo "Program cowdev not found; could be ignored ..."


# distro specific additional stuff
case "${DISTRO}" in
  debian*)
    cp ${ROOTDIR}/lib/libnss_compat.so.2 ${INSTDIR}/lib;;
esac

# add needed libraries depending on choosen binaries. use chroot
# on ldd, otherwise the detection does not work properly. ldd has to be
# static linked binary
# fixme: procedure might have to be changed
for lib in `cat ${INSTDIR}/tmp/libraries 2>/dev/null | \
  sed -e "s,tls,,;s,i686/cmov,," \
  -ne 's:\t\(.* => \)\?\(/.*\) (0x[0-9a-f]*):\2:p' | sort -u` ; do
  baselib=`basename ${lib}`
  test -e  ${INSTDIR}/lib/${baselib} || \
    cp /${ROOTDIR}/${lib} ${INSTDIR}/lib
done
rm ${INSTDIR}/tmp/libraries

# add kernel modules and dependency files
if [ -z "$KERNVER" ] ; then
  KERNVER=`ls -l ${ROOTDIR}/boot/vmlinuz | grep vmlinuz | sed "s/.*vmlinuz-//"`
fi
if [ -z "$KERNVER" ] ; then
  KERNVER=`ls -l ${ROOTDIR}/vmlinuz | grep vmlinuz | sed "s/.*vmlinuz-//"`
fi
# if no vmlinuz found, go for vmlinuz-x.yz.uv...
if [ -z "$KERNVER" ] ; then
  KERNVER=`ls -lt ${ROOTDIR}/boot/vmlinuz* | grep vmlinuz | sed -n "1,1s/.*vmlinuz-//p"`
  echo "No vmlinuz-link found. Using kernel version "$KERNVER
fi

if [ -z "$KERNVER" ] ; then
  echo "No kernel version set or detected - please use the -k flag! Exiting..."
  exit 1
fi

if [ -z "$NWMODULES" ] ; then
  NWMODULES="forcedeth e1000 e100 tg3 via-rhine r8169 pcnet32"
fi
if [ -z "$FSMODULES" ] ; then
  FSMODULES="nbd nfs"
fi
if [ -z "$INITRD_PATH" ] ; then
  INITRD_PATH="${ROOTDIR}/tmp/dxsinitrd.gz"
fi

# define modules to put into initial ramdisk for debugging
#DEBUGMODULES="uhci_hcd usbhid"
if [ $IRFSDEBUG -gt 1 ] ; then
  DEBUGMODULES="uhci-hcd ohci-hcd usbhid"
else
  DEBUGMODULES=""
fi

# put all needed modules into initial ramdisk
mkdir -p ${INSTDIR}/lib/modules/${KERNVER}
for module in af_packet unix ${NWMODULES} ${FSMODULES} ${DEBUGMODULES}; do
  mod=`cd /${ROOTDIR}; find "lib/modules/${KERNVER}" -name ${module}.ko \
2>/dev/null`

  if [ -n "$mod" ] ; then
    mpath=${INSTDIR}/${mod%/*}
    mkdir -p ${mpath}
    cp ${ROOTDIR}/$mod ${mpath}
    # fixmee!! selection of dependent modules could be handled a little bit
    # more clever
    rdirprefix="${ROOTDIR}/lib/modules/${KERNVER}/kernel"
    ddirprefix="${INSTDIR}/lib/modules/${KERNVER}/kernel"
    case "$module" in
      e100|8139too|via-rhine|sis900|epic100|sundance|8139cp|eepro100|pcnet32)
        cp ${rdirprefix}/drivers/net/mii.ko \
           ${ddirprefix}/drivers/net &>/dev/null
      ;;
      nfs)
        # create directory structure for modules needed and copy them
        # to the proper place (as expected by modprobe/modules.dep)
	mkdir -p ${ddirprefix}/net/sunrpc
	mkdir -p ${ddirprefix}/fs/lockd ${ddirprefix}/fs/nfs_common
        cp ${rdirprefix}/net/sunrpc/sunrpc.ko \
	  ${ddirprefix}/net/sunrpc &>/dev/null
	cp ${rdirprefix}/fs/lockd/lockd.ko \
          ${ddirprefix}/fs/lockd &>/dev/null
	cp ${rdirprefix}/fs/nfs_common/nfs_acl.ko \
	  ${ddirprefix}/fs/nfs_common &>/dev/null
      ;;
      ext3)
        mkdir -p ${ddirprefix}/fs/jbd
        cp ${rdirprefix}/fs/jbd/jbd.ko \
          ${ddirprefix}/fs/jbd
      ;;
    esac
  fi
done
cp ${ROOTDIR}/lib/modules/${KERNVER}/modules.* \
  ${INSTDIR}/lib/modules/${KERNVER}

# initial ramdisk scripts: init, functions, servconfig, hwautocfg, ...
# copy and replace variable names
for dirs in `find initrd-stuff/* ! -regex ".*/\..*"` ; do
  repco ${dirs##initrd-stuff/}
done
chmod 755 ${INSTDIR}/init \
  ${INSTDIR}/bin/{servconfig,hwautocfg,screenres,dhcpmkconfig}

# add the common default client configuration file - just to ensure to
# have all major variables defined. !!These settings are most probably
# are overwritten by fileget in stage3 within initramfs!!
if [ -f /var/opt/openslx/config/default/initramfs/machine-setup ] ; then
  cp /var/opt/openslx/config/default/initramfs/machine-setup \
    ${INSTDIR}/etc/machine-setup
  echo "Using /var/opt/openslx/config/default/initramfs/machine-setup"
# use the installed default machine-setup.default
elif [ -f /opt/openslx/share/templates/machine-setup.default ] ; then
  cp /opt/openslx/share/templates/machine-setup.default \
    ${INSTDIR}/etc/machine-setup
  echo "Using /opt/openslx/share/templates/machine-setup.default"
# just compatibility for older versions
elif [ -f /etc/dxs/client.cfg/machine-setup.default ] ; then
  cp /etc/dxs/client.cfg/machine-setup.default \
    ${INSTDIR}/etc/machine-setup
  echo "Using /etc/dxs/client.cfg/machine-setup.default"
# fixme: dirty hack if the installer does not creates a normal file
elif [ -f /etc/dxs/client.cfg/machine-setup.default.new ] ; then
  cp /etc/dxs/client.cfg/machine-setup.default.new \
    ${INSTDIR}/etc/machine-setup
elif [ -f ../installer/default_files/machine-setup.default ] ; then
  cp ../installer/default_files/machine-setup.default \
    ${INSTDIR}/etc/machine-setup
  echo "Using ../installer/default_files/machine-setup.default"
else
  #inserted password for root for debugging purposes
  echo -e "# default for machine-setup does not exist\n# root logins are \
disabled\nroot_pw='"'$1$T7VD/mmQ$aCP1WEaWplEsHe9khv4kK.'"'" \
    > ${INSTDIR}/etc/machine-setup
fi

# custom hardware configuration files pcitable.local and Cards.local
# fixme!! New source for these files (instead of templates)!
if [ -f /opt/openslx/share/templates/pcitable.local ] ; then
  cat /opt/openslx/share/templates/pcitable.local >> \
    ${INSTDIR}/usr/share/hwdata/pcitable
fi
if [ -f /opt/openslx/share/templates/Cards.local ] ; then
  cat /opt/openslx/share/templates/Cards.local >> \
    ${INSTDIR}/usr/share/hwdata/Cards
fi

# finally copy user-supplied preinit files. The client specific one
# overwrites the system default one. postinit.local may be part of
# fileget tgz (in stage3)
for cfg in default/initramfs/preinit.local \
           ${DISTRO}-${DISTRO_VER}/initramfs/preinit.local \
           default/initramfs/postinit.local \
           ${DISTRO}-${DISTRO_VER}/initramfs/postinit.local ; do
  test -f /var/opt/openslx/config/$cfg && \
    cp /var/opt/openslx/config/$cfg ${INSTDIR}/bin
done

# remove unneeded debug info, fixme not really tested yet
strip  ${INSTDIR}/bin/*  ${INSTDIR}/lib/* &>/dev/null

#########################################################################
# End of file copy procedures

[ -n "${theme}" ] && add_theme

# finally create the compressed initial ramdisk cpio archive
pushd . > /dev/null 2>&1
  cd ${INSTDIR}
  find . ! -name "*~" | cpio -H newc --create | gzip -9 > $INITRD_PATH
popd > /dev/null 2>&1