#!/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 $PRJ_PATH/..)
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# config file path
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CONF_FILE=$TOP_PATH/config.json
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# download taballs path
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TARBALL_PATH=$PRJ_PATH/tarballs
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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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# decompress a packet to destination path
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function do_unpack()
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{
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tarball=$1
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dstpath=`pwd`
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if [[ $# == 2 ]] ; then
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dstpath=$2
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fi
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pr_info "decompress $tarball => $dstpath"
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mkdir -p $dstpath
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case $tarball in
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*.tar.gz)
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tar -xzf $tarball -C $dstpath
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;;
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*.tar.bz2)
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tar -xjf $tarball -C $dstpath
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;;
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*.tar.xz)
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tar -xJf $tarball -C $dstpath
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;;
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*.tar.zst)
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tar -I zstd -xf $tarball -C $dstpath
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;;
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*.tar)
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tar -xf $tarball -C $dstpath
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;;
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*.zip)
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unzip -qo $tarball -d $dstpath
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;;
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*)
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pr_error "decompress Unsupport packet: $tarball"
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return 1;
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;;
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esac
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}
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# parser configure file and export environment variable
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function export_env()
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{
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export SRC=$(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" $CONF_FILE`
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export DEF_CONFIG=${BOARD}_defconfig
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export IMG_KER=linuxrom-${BOARD}.itb
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export ARCH=arm
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export PATCH=$SRC-$BSP_VER.patch
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}
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function do_clean()
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{
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cd $SRC
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if [ -f .config ] ; then
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pr_info "save default configure to $DEF_CONFIG"
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make savedefconfig ARCH=$ARCH CROSS_COMPILE=${CROSS_COMPILE}
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mv defconfig arch/arm/configs/${DEF_CONFIG}
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fi
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rm -f $IMG_KER
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make distclean ARCH=$ARCH CROSS_COMPILE=${CROSS_COMPILE}
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cd $PRJ_PATH
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}
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function do_patch()
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{
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if [ ! -d $PRJ_PATH/$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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# 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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do_unpack ${TARBALL_PATH}/${SRC}.tar.xz
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pr_info "generate patch file $PATCH"
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# generate patch file
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diff -Nuar -x "include-prefixes" -x ".gitignore" ${SRC} ${SRC}-${BOARD} > $PATCH
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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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}
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if [ $# != 1 ] ; then
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pr_info "$0 usage example:"
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pr_info "$0 at91bootstrap"
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pr_info "$0 u-boot-at91"
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exit
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fi
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export_env $1
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do_clean
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do_patch
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