#!/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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# this project absolute path
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PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}")/.. && pwd)
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# top project absolute path
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TOP_PATH=$(realpath $PRJ_PATH/..)
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# download taballs path
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TARBALL_PATH=$PRJ_PATH/tarballs
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# config file path
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CONF_FILE=$TOP_PATH/config.json
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# patch file path
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PATCH_PATH=${PRJ_PATH}/patches
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# shell script will exit once get command error
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#set -e
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#+-------------------------+
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#| Shell script functions |
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#+-------------------------+
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function pr_error() {
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echo -e "\033[40;31m $1 \033[0m"
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}
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function pr_warn() {
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echo -e "\033[40;33m $1 \033[0m"
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}
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function pr_info() {
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echo -e "\033[40;32m $1 \033[0m"
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}
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# parser configure file and export environment variable
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function export_env()
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{
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export SRC=$(basename $1)
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export BOARD=`jq -r ".bsp.board" $CONF_FILE | tr 'A-Z' 'a-z'`
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export BSP_VER=`jq -r ".bsp.version" $CONF_FILE | tr 'A-Z' 'a-z'`
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export CROSS_COMPILE=`jq -r ".bsp.crosstool" $CONF_FILE | tr 'A-Z' 'a-z'`
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export JOBS=`cat /proc/cpuinfo | grep processor | wc -l`
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export PATCH=$SRC-$BSP_VER
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if [[ $BOARD =~ 6ull ]] ; then
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export ARCH=arm
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elif [[ $BOARD =~ 8mp ]] ; then
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export ARCH=arm64
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fi
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}
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function do_prepare()
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{
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cd $PRJ_PATH
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if [ ! -d $SRC ] ; then
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pr_error "\nERROR: source code $SRC not exist, exit now\n\n"
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exit;
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fi
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pr_info "cleanup $SRC soruce code packet"
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cd $SRC
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make ARCH=$ARCH distclean -j $JOBS
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cd -
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mv $SRC $PATCH
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pr_info "decompress orignal soruce code packet"
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tar -xJf $TARBALL_PATH/$SRC.tar.xz
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}
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function do_patch()
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{
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pr_info "generate patch file"
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if [[ $SRC =~ linux ]] ; then
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diff -Nuar --no-dereference $SRC $PATCH > $PATCH.patch
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elif [[ $SRC =~ uboot ]] ; then
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diff -Nuar -x "tools" $SRC $PATCH > $PATCH.patch
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fi
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pr_info "recovery $SRC soruce code"
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rm -rf ${SRC}
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mv $PATCH ${SRC}
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}
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if [ $# != 1 ] ; then
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pr_info "$0 usage example:"
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pr_info "$0 uboot-imx/"
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pr_info "$0 linux-imx/"
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exit
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fi
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export_env $1
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do_prepare
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do_patch
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