#! /bin/bash

Dir=$1

List=$2

pushd $Dir

rm -rf modnames

find . -name "*.ko" -type f > modnames

# Look through all of the modules, and throw any that have a dependency in

# our list into the list as well.

rm -rf dep.list dep2.list

rm -rf req.list req2.list

touch dep.list req.list

cp $2 .

for dep in `cat modnames`

do

  depends=`modinfo $dep | grep depends| cut -f2 -d":" | sed -e 's/^[ \t]*//'`

  [ -z "$depends" ] && continue;

  for mod in `echo $depends | sed -e 's/,/ /g'`

  do

    match=`grep "^$mod.ko" mod-extra.list` ||:

    if [ -z "$match" ]

    then

      continue

    else

      # check if the module we're looking at is in mod-extra too.  if so

      # we don't need to mark the dep as required

      mod2=`basename $dep`

      match2=`grep "^$mod2" mod-extra.list` ||:

      if [ -n "$match2" ]

      then

        continue

          #echo $mod2 >> notreq.list

        else

          echo $mod.ko >> req.list

      fi

    fi

  done

done

sort -u req.list > req2.list

sort -u mod-extra.list > mod-extra2.list

join -v 1 mod-extra2.list req2.list > mod-extra3.list

for mod in `cat mod-extra3.list`

do

  # get the path for the module

  modpath=`grep /$mod modnames` ||:

  [ -z "$modpath" ]  && continue;

  echo $modpath >> dep.list

done

sort -u dep.list > dep2.list

# now move the modules into the extra/ directory

for mod in `cat dep2.list`

do

  newpath=`dirname $mod | sed -e 's/kernel\//extra\//'`

  mkdir -p $newpath

  mv $mod $newpath

done

popd

# If we're signing modules, we can't leave the .mod files for the .ko files

# we've moved in .tmp_versions/.  Remove them so the Kbuild 'modules_sign'

# target doesn't try to sign a non-existent file.  This is kinda ugly, but

# so is modules-extra.

for mod in `cat ${Dir}/dep2.list`

do

  modfile=`basename $mod | sed -e 's/.ko/.mod/'`

  rm .tmp_versions/$modfile

done

pushd $Dir

rm modnames dep.list dep2.list req.list req2.list

rm mod-extra.list mod-extra2.list mod-extra3.list

popd