#!/bin/bash

VER=2.5
ROM=Froyo_Sense_Revolution

BUILD1_NAME=${ROM}_${VER}_CWM
BUILD2_NAME=${ROM}_${VER}_DFT
BUILD3_NAME=${ROM}_${VER}_LK
BUILD1=/tmp/${BUILD1_NAME}
BUILD2=/tmp/${BUILD2_NAME}
BUILD3=/tmp/${BUILD3_NAME}
TOOLS=${PWD}/../tools
MKYAFFS=${TOOLS}/mkyaffs2image
UNYAFFS=${TOOLS}/unyaffs
MAIN=${PWD}

syncDirs()
{
  mkdir -p ${BUILD1}
  echo -n "Synchronising the build ... "
  rsync --exclude ".svn" -az ${MAIN}/../build/* ${BUILD1}/.
  echo "DONE"
  rm -rf ${BUILD1}/boot/initrd

  # Change the version number in build.prop
  sed -i s/ro.product.version=.*/ro.product.version=${VER}/g ${BUILD1}/system/build.prop
  sed -i s/ro.build.description=.*/ro.build.description=${ROM}/g ${BUILD1}/system/build.prop
}

set_perm_recursive()
{
  file=`echo $5 | sed -E 's/\///'`
  chown -R $1:$2 $file
  find $file -type d -exec chmod $3 {} \;
  find $file -type f -exec chmod $4 {} \;
}

set_perm()
{
  file=`echo $4 | sed -E 's/\///'`
  chown $1:$2 $file
  chmod $3 $file
}

doFiles()
{
  # create symlinks for busybox
  pushd ${BUILD1}/system/xbin > /dev/null 2>&1
  for file in `cat ${TOOLS}/busybox`
  do
    ln -sf busybox $file
  done
  popd > /dev/null 2>&1

  # create symlinks for toolbox
  pushd ${BUILD1}/system/bin > /dev/null 2>&1
  for file in `cat ${TOOLS}/toolbox`
  do
    ln -sf toolbox $file
  done
  popd > /dev/null 2>&1

  # create symlink for su
  pushd ${BUILD1}/system/bin > /dev/null 2>&1
  ln -sf ../xbin/su
  popd > /dev/null 2>&1

  # To enable a2sd+ by default
  # app, app-private and dalvik-cache
  pushd ${BUILD1}/data > /dev/null 2>&1
  ln -s /sd-ext/app
  ln -s /sd-ext/app-private
  ln -s /sd-ext/dalvik-cache
  touch .dalvikcache
  popd > /dev/null 2>&1

  # To enable datasd uncomment the lines below
  #pushd  ${BUILD1}/data > /dev/null 2>&1
  #ln -s /sd-ext/data
  #touch .datasd
  #popd > /dev/null 2>&1

  pushd ${BUILD1}/system/etc/init.d > /dev/null 2>&1
  mv dtapp 04apps2sd
  popd > /dev/null 2>&1

  # change permissions
  pushd ${BUILD1} > /dev/null 2>&1
  set_perm_recursive 0  0  0755  0644  "/system"
  set_perm_recursive 0 2000 0755 0755 "/system/bin"
  set_perm 0 3003 02750 "/system/bin/netcfg"
  set_perm 0 3004 02755 "/system/bin/ping"
  set_perm 0 2000 06750 "/system/bin/run-as"
  set_perm_recursive 1002 1002 0755 0440 "/system/etc/bluetooth"
  set_perm 0 0 0755 "/system/etc/bluetooth"
  set_perm 1000 1000 0640 "/system/etc/bluetooth/auto_pairing.conf"
  set_perm 3002 3002 0444 "/system/etc/bluetooth/blacklist.conf"
  set_perm 1002 1002 0440 "/system/etc/dbus.conf"
  set_perm 1014 2000 0550 "/system/etc/dhcpcd/dhcpcd-run-hooks"
  set_perm_recursive 0 2000 0755 0750 "/system/etc/init.d"
  set_perm 0 0 0755 "/system/etc/init.d"
  set_perm 0 2000 0550 "/system/etc/init.goldfish.sh"
  #set_perm 0 0 0544 "/system/etc/install-recovery.sh"
  set_perm_recursive 0 0 0755 0555 "/system/etc/ppp"
  set_perm_recursive 0 2000 0755 0755 "/system/xbin"
  set_perm 0 0 06755 "/system/xbin/hcitool"
  set_perm 0 0 06755 "/system/xbin/librank"
  set_perm 0 0 06755 "/system/xbin/procmem"
  set_perm 0 0 06755 "/system/xbin/procrank"
  set_perm 0 0 06755 "/system/xbin/su"
  set_perm 0 0 06755 "/system/xbin/tcpdump"
  set_perm 0 0 04755 "/system/bin/pppd"
  popd > /dev/null 2>&1
}

createDFT()
{
  syncDirs
  pushd ${BUILD1} > /dev/null 2>&1
  rm -rf ../${BUILD2_NAME}.7z
  rm -rf ${BUILD2}
  mkdir ${BUILD2}
  popd > /dev/null 2>&1
  
  doFiles

  # create images
  echo -n "Creating DFT img files ... "
  pushd ${BUILD1} > /dev/null 2>&1
  [ -d system ] && echo -n "system ... " && ${MKYAFFS} system ${BUILD2}/system.img > /dev/null 2>&1
  [ -d boot ] && echo -n "boot ... " && ${MKYAFFS} boot ${BUILD2}/boot.img > /dev/null 2>&1
  [ -d data ] && echo -n "data ... " && ${MKYAFFS} data ${BUILD2}/data.img > /dev/null 2>&1
  [ -d recovery ] && echo -n "recovery ... " && ${MKYAFFS} recovery ${BUILD2}/recovery.img > /dev/null 2>&1
  popd > /dev/null 2>&1
  echo "DONE"

  cp ${TOOLS}/DFT/* ${BUILD2}/.
  pushd ${BUILD2}/.. > /dev/null 2>&1
  echo -n "Creating DFT archive ... "
  7zr a ${BUILD2_NAME}.7z ${BUILD2_NAME} > /dev/null 2>&1
  echo "DONE"
  popd > /dev/null 2>&1
}


createCWM()
{
  syncDirs
  pushd ${BUILD1} > /dev/null 2>&1
  rsync --exclude ".svn" -az ${TOOLS}/META-INF .
  pushd ${BUILD1}/boot > /dev/null 2>&1
 
  if [[ "$1" == "LK" ]] ; then
    genInitrd LK
    ${TOOLS}/mkbootimg --kernel zImage --ramdisk initrd.gz --cmdline "console=null" --base 0x11800000 -o ${BUILD1}/boot.img
    popd > /dev/null 2>&1
    rm -rf boot
    cp META-INF/com/google/android/updater-script.lk META-INF/com/google/android/updater-script
    touch system/ppp
    rm -rf ../${BUILD1_NAME}_LK.zip
    echo -n "Creating CWM LK zip file ... "
    zip -9Dry -q ../${BUILD1_NAME}_LK.zip *
    echo "DONE"
    rm -rf system/ppp
  else
    genInitrd
    popd > /dev/null 2>&1
    cp META-INF/com/google/android/updater-script.std META-INF/com/google/android/updater-script
    rm -rf system/etc/init.d/00setup
    rm -rf ../${BUILD1_NAME}.zip
    echo -n "Creating CWM zip file ... "
    zip -9Dry -q ../${BUILD1_NAME}.zip *
    echo "DONE"
  fi

  rm -rf META-INF
  popd > /dev/null 2>&1
}

createLK()
{
  syncDirs
  pushd ${BUILD1} > /dev/null 2>&1
  rm -rf ../${BUILD3_NAME}.7z
  rm -rf ${BUILD3}
  mkdir ${BUILD3}
  popd > /dev/null 2>&1

  doFiles
  touch ${BUILD1}/system/ppp
  genInitrd LK
 
  pushd ${BUILD1}/boot > /dev/null 2>&1
  ${TOOLS}/mkbootimg --kernel zImage --ramdisk initrd.gz --cmdline "console=null" --base 0x11800000 -o ${BUILD3}/boot.img
  popd > /dev/null 2>&1

  pushd ${BUILD1} > /dev/null 2>&1
  [ -d system ] && ${MKYAFFS} system ${BUILD3}/system.img > /dev/null 2>&1
  [ -d data ] && ${MKYAFFS} data ${BUILD3}/data.img > /dev/null 2>&1
  popd

  cp ${TOOLS}/fastboot* ${BUILD3}/.
  cp ${TOOLS}/recovery_lk.img ${BUILD3}/recovery.img
  pushd ${BUILD3}/.. > /dev/null 2>&1
  echo -n "Creating LK archive ... "
  7zr a ${BUILD3_NAME}.7z ${BUILD3_NAME} > /dev/null 2>&1
  echo "DONE"
  popd > /dev/null 2>&1

  rm -rf ${BUILD1}/system/ppp
}

genInitrd()
{

  mkdir -p ${BUILD1}/boot/initrd
  rsync --exclude ".svn" -az ${MAIN}/../build/boot/initrd/ ${BUILD1}/boot/initrd
  echo -n "Creating initrd ... "
  pushd ${BUILD1}/boot/initrd > /dev/null 2>&1
  chmod 770 bin/*

  if [[ "$1" == "LK" ]] ; then
    mv init.android init
    pushd sbin > /dev/null 2>&1
    ln -sf ../init ueventd
    popd > /dev/null 2>&1
  fi

  find .|cpio --quiet -H newc -o|gzip -9 -c - > ../initrd.gz

  popd > /dev/null 2>&1

  rm -rf ${BUILD1}/boot/initrd
  echo "DONE"

  if [[ `echo $0 | grep createInitrd.sh` ]]; then

    cp ${BUILD1}/boot/initrd.gz /tmp/initrd.gz.$$
    rm -rf ${BUILD1}
    mkdir ${BUILD1}
    cp /tmp/initrd.gz.$$ ${BUILD1}/initrd.gz
    ls -lh ${BUILD1}/initrd.gz
    exit 0

  fi
}

echo Build started on `date`
echo

if [[ `echo $0 | grep createInitrd.sh` ]]; then

if [[ "$1" == "LK" ]] ; then
  genInitrd LK
else
  genInitrd
fi

fi

syncDirs

createCWM
createCWM LK
#createDFT
#createLK

rm -rf ${BUILD1}
rm -rf ${BUILD2}
rm -rf ${BUILD3}

echo "your files are here"
echo ""
ls -lh /tmp/${ROM}_${VER}*

echo
echo Build finished on `date`