#!/bin/sh
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# Description: This shell script used to generate the patch file
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# Author: GuoWenxue<guowenxue@gmail.com>
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# Changlog:
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# 1, Version 1.0.0(2011.04.01), initialize first version
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#
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PWD=`pwd`
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PACKET_DIR=$PWD/
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# Parameter valid check
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if [ $# != 2 ] ; then
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echo "+---------------------------------------------------"
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echo "| Usage: $0 [SRC_FOLDER] [ARCH]"
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echo "| Example: $0 linux-2.6.24 fl2440"
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echo "| Example: $0 linux-2.6.24 gr01"
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echo "+---------------------------------------------------"
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exit;
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fi
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SRC_NAME=`basename $1`
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ARCH=$2
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# Check latest source code exist or not
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if [ ! -d $SRC_NAME ] ; then
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echo "+-------------------------------------------------------------------"
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echo "| ERROR: Source code \"$SRC_NAME\" doesn't exist!"
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echo "+-------------------------------------------------------------------"
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exit;
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fi
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SRC_PACKET_PATH=$PACKET_DIR/$SRC_NAME.tar.bz2
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# Check original source code packet exist or not
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if [ ! -s $SRC_PACKET_PATH ] ; then
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echo "+-------------------------------------------------------------------"
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echo "| ERROR: Orignal source code packet doesn't exist!"
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echo "| $SRC_PACKET_PATH"
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echo "+-------------------------------------------------------------------"
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exit;
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fi
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echo "+----------------------------------------------------------"
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echo "| Clean up the new source code "
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echo "+----------------------------------------------------------"
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NEW_SRC=$SRC_NAME-$ARCH
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cd $SRC_NAME
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rm -f uImage*.gz
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rm -f cscope.*
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rm -f tags
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set -x
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if [ -s .config ] ; then
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mv .config .cfg-$ARCH
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fi
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set +x
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make distclean
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cd ..
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mv $SRC_NAME $NEW_SRC
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echo "+------------------------------------------------------------------------"
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echo "| Decrompress orignal source code packet "
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echo "+------------------------------------------------------------------------"
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ORIG_SRC=$SRC_NAME
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tar -xjf $SRC_PACKET_PATH
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echo "+------------------------------------------------------------------------"
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echo "| Generate patch file \"$NEW_SRC.patch\" "
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echo "+------------------------------------------------------------------------"
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diff -Nuar $ORIG_SRC $NEW_SRC > $NEW_SRC.patch
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rm -rf $ORIG_SRC
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mv $NEW_SRC $SRC_NAME
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