#!/bin/sh

USER=`whoami`

PATCH_NAME=$1

GIT_PATH=/opt/src/modifications

ARCH=`/bin/uname -m`

if [ "$USER" != "root" ]

then

  echo "ERROR: Must be root, try sudo -i"

  exit 1

fi

if [ ! -e $GIT_PATH ]

then

  echo "ERROR: Cannot find git tree at: $GIT_PATH"

  echo "Please visit http://www.webos-internals.org/wiki/Applying_Patches"

  exit 1

fi

if [ $# -gt 1 ]

then 

  echo "ERROR: Too many arguments"

  exit 1

fi

cd $GIT_PATH

if [ $? -ne 0 ]

then

  echo "ERROR: Cannot find git path: $GIT_PATH"

  echo "Please visit http://www.webos-internals.org/wiki/Applying_Patches"

  exit 1

fi

if [ $# -eq 0 ]

then

  echo ""

  echo -n "Patch name to apply? [ALL] > "

  read PATCH_NAME

fi

if [ "$PATCH_NAME" = "-l" ]

then

  find . -name *.patch | awk -F/ '{print $NF}'

  exit 0

fi

if [ "$PATCH_NAME" != "" ]

then

  echo "Looking for patch $PATCH_NAME..."

  find . -name $PATCH_NAME | grep $PATCH_NAME

  if [ $? -ne 0 ]

  then

    echo "ERROR: Could not find patch: $PATCH_NAME"

    exit 1

  fi

fi

echo "Pulling latest git tree..."

git pull

if [ $? -ne 0 ]

then

  echo "FAILED"

  echo "Please visit http://www.webos-internals.org/wiki/Applying_Patches"

  exit 1

fi

cd /

if [ $? -ne 0 ]

then

  echo "Can't cd / ??? ----> RUN!"

  exit 1

fi

if [ "$ARCH" = "armv7l" ]

then

  echo "Remounting / rw..."

  mount -o rw,remount /

  if [ $? -ne 0 ]

  then

    echo "ERROR: Could not remount / in rw"

    echo "Please visit http://www.webos-internals.org/wiki/Applying_Patches"

    exit 1

  fi

fi

echo "Popping all previous patches..."

quilt pop -a -f

PATCH_PATH=`find ${GIT_PATH} -name ${PATCH_NAME}`

echo "Importing patch ${PATCH_PATH}..."

quilt import -f ${PATCH_PATH}

echo "Verifying patch is in quilt series..."

quilt series | grep $PATCH_NAME

if [ $? -ne 0 ]

then

  echo "WARNING: Cannot find patch in series"

  echo "Please visit http://www.webos-internals.org/wiki/Applying_Patches"

fi

echo "Pushing all patches..."

quilt push -a

if [ $? -ne 0 ]

then

  echo "ERROR: Could not push patch"

  echo "Please visit http://www.webos-internals.org/wiki/Applying_Patches"

  exit 1

fi

echo "SUCCESS"

if [ "$ARCH" = "armv7l" ]

then

  echo "Remounting / to read-only"

  mount -o ro,remount /

fi