#!/bin/bash
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# Description: This shell script used to generate patch file
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# Author: guowenxue <guowenxue@gmail.com>
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# Version: 1.0.0
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PROJ_PATH=`pwd`
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PACK_PATH=${PROJ_PATH}/tarballs
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PATCH_PATH=${PROJ_PATH}/patches
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BOARD=ok335x
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PATCH_SUFFIX=${BOARD}.patch
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function do_clean()
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{
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if [ -f .config ] ; then
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cp .config .cfg-${BOARD}
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fi
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#echo "WARNNING: Maybe need input sudo passwd here: "
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bash build.sh clean
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}
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if [ $# != 1 ] ; then
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echo "Usage: $0 [src_path]"
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printf "\nExample: \n"
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echo "$0 linux-3.2.0"
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exit ;
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fi
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SRC=`basename $1`
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if [ ! -d ${SRC} ] ; then
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printf "\nERROR: ${SRC} source code not exist, exit now\n\n"
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exit
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fi
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if [ ! -f ${PACK_PATH}/${SRC}.tar.xz ] ; then
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printf "\nERROR: ${SRC}.tar.xz packet not exist, exit now\n\n"
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exit
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fi
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cd ${PROJ_PATH}
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cd ${SRC}
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do_clean
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cd -
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# rename new source code
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mv ${SRC} ${SRC}-${BOARD}
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# decompress orignal soruce code packet
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tar -xJf ${PACK_PATH}/${SRC}.tar.xz
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# generate patch file
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diff -Nuar ${SRC} ${SRC}-${BOARD} > ${SRC}-${PATCH_SUFFIX}
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# remove orignal soruce code
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rm -rf ${SRC}
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# recover new source code
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mv ${SRC}-${BOARD} ${SRC}
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