#!/bin/bash
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# bitbake target
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BB_TARGET=yocto-image-full
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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=$PRJ_PATH/..
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# prefix install path
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PRFX_PATH=$PRJ_PATH/install
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# final install path
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#INST_PATH=/srv/ftp/
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# compress system image or not
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COMPRESS=yes
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# config file path
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CONF_FILE=$TOP_PATH/config.json
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# Download path (若取消注释，会自动修改 local.conf 中的 DL_DIR)
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#DL_PATH="/srv/yocto/"
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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 $1 \033[0m"
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}
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# parser configure file and export environment variable
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function export_env()
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{
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export BOARD=$(jq -r ".bsp.board" "$CONF_FILE" | tr 'A-Z' 'a-z')
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export BSP_VER=$(jq -r ".bsp.version" "$CONF_FILE" | tr 'A-Z' 'a-z')
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export YCT_VER=$(jq -r ".system.version" "$CONF_FILE" | tr 'A-Z' 'a-z')
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export YCT_BOARD=$(echo "$BOARD" | cut -d- -f1)
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# 外部实际存放不同版本 Layer 的根目录：meta-igkboard
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export YCT_META_BASE=meta-$YCT_BOARD
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# 当前编译版本对应的真实 Layer 源路径：meta-igkboard/wrynose
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export YCT_META_SRC_DIR=$PRJ_PATH/$YCT_META_BASE/$YCT_VER
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export YCT_SRC=$YCT_VER-$BSP_VER
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export YCT_PATH=$PRJ_PATH/$YCT_SRC
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# Yocto sources 下期望的实际 Layer 名字：sources/meta-igkboard
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export YCT_META_TARGET=$YCT_PATH/sources/$YCT_META_BASE
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export BUILD_DIR=${BOARD}
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}
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function do_fetch()
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{
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cd "$PRJ_PATH"
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# 1. 检查外部的实际版本 Layer 目录是否存在 (如 meta-igkboard/wrynose)
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if [ ! -d "$YCT_META_SRC_DIR" ] ; then
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pr_error "Local meta layer directory $YCT_META_SRC_DIR does not exist!"
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return 1
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fi
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# 2. 拉取 Yocto 源码 (若 sources/base 目录不存在则执行拉取)
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if [ ! -d "$YCT_PATH/sources/base" ] ; then
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pr_info "start repo fetch Yocto $YCT_VER source code"
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mkdir -p "$YCT_PATH" && cd "$YCT_PATH"
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if ! command -v repo > /dev/null 2>&1 ; then
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curl https://storage.googleapis.com/git-repo-downloads/repo > repo
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chmod a+x repo
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export PATH=$YCT_PATH:$PATH
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fi
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local REPO_BSP_VER=$(echo "$BSP_VER" | sed 's/lf/imx/')
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repo init -u https://github.com/nxp-imx/imx-manifest -b imx-linux-$YCT_VER -m "${REPO_BSP_VER}.xml"
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repo sync && rm -f repo
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else
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pr_warn "Yocto $YCT_VER source code fetched already"
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fi
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}
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# 处理本地 BSP 补丁拷贝及修复 Yocto QA 状态检查
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function do_patch()
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{
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local PATCH_BSP_VER=$(echo "$BSP_VER" | sed 's/imx/lf/')
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local UBOOT_PATCH="$YCT_META_SRC_DIR/recipes-bsp/u-boot/files/uboot-imx-${PATCH_BSP_VER}.patch"
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local KERNEL_PATCH="$YCT_META_SRC_DIR/recipes-kernel/linux/files/linux-imx-${PATCH_BSP_VER}.patch"
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# 1. 创建 mete-igkboard 符号链接
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if [ ! -L "$YCT_META_TARGET" ]; then
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pr_info "Create symlink: $YCT_META_TARGET -> $YCT_META_SRC_DIR"
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ln -sfn "$YCT_META_SRC_DIR" "$YCT_META_TARGET"
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fi
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# 2. 只有当目标补丁文件不存在时，才进行拷贝和注入
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if [ ! -f "$UBOOT_PATCH" ] || [ ! -f "$KERNEL_PATCH" ] ; then
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pr_warn "Copy u-boot and linux patches..."
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# 确保补丁存放的目标子目录存在
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mkdir -p "$YCT_META_SRC_DIR/recipes-bsp/u-boot/files"
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mkdir -p "$YCT_META_SRC_DIR/recipes-kernel/linux/files"
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# 拷贝补丁与配置文件
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cp "$TOP_PATH/bootloader/patches/${BOARD}/uboot-imx-${PATCH_BSP_VER}.patch" "$YCT_META_SRC_DIR/recipes-bsp/u-boot/files/"
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cp "$TOP_PATH/kernel/patches/${BOARD}/linux-imx-${PATCH_BSP_VER}.patch" "$YCT_META_SRC_DIR/recipes-kernel/linux/files/"
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cp "$TOP_PATH/images/patches/config-"*.txt "$YCT_META_SRC_DIR/recipes-bsp/u-boot/files/"
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# 使用 sed 动态注入 Upstream-Status 标签来绕过 Yocto QA 检查
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pr_info "Injecting Upstream-Status into patches..."
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if [ -f "$UBOOT_PATCH" ]; then
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sed -i '1i Upstream-Status: Inappropriate [In-house SDK]\n' "$UBOOT_PATCH"
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fi
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if [ -f "$KERNEL_PATCH" ]; then
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sed -i '1i Upstream-Status: Inappropriate [In-house SDK]\n' "$KERNEL_PATCH"
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fi
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fi
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}
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function do_build()
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{
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cd "$YCT_PATH"
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# 1. 初始化 Yocto 编译环境
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if [ ! -f "${BUILD_DIR}/conf/local.conf" ] ; then
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pr_info "source imx-setup-release.sh -b ${BOARD}"
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EULA=1 DISTRO=fsl-imx-xwayland MACHINE=${BOARD} source imx-setup-release.sh -b ${BOARD}
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else
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pr_info "source setup-environment $BUILD_DIR"
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source setup-environment "$BUILD_DIR"
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fi
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# 2. 添加自定义的本地 meta layer 到 bblayers.conf
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if ! bitbake-layers show-layers | grep -q "$YCT_META_BASE" ; then
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pr_info "Adding custom layer $YCT_META_BASE to bblayers.conf..."
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bitbake-layers add-layer "$YCT_PATH/sources/$YCT_META_BASE"
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fi
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# 3. 只有当 DL_PATH 被定义且不为空时，才用 sed 替换 local.conf
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if [[ -n "${DL_PATH}" ]] ; then
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sed -i "s|^#DL_DIR.*|DL_DIR ?= \"$DL_PATH/$YCT_VER\"|g" conf/local.conf
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sed -i "s|^DL_DIR.*|DL_DIR ?= \"$DL_PATH/$YCT_VER\"|g" conf/local.conf
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fi
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# 4. 执行编译
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bitbake "$BB_TARGET"
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}
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function do_install()
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{
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local IMAGE_NAME=yocto-${YCT_VER}-${BOARD}.img
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local ROOTFS_TAR=rootfs-yocto-${YCT_VER}.tar.zst
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cd "$YCT_PATH"
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echo ""
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pr_info "Yocto($YCT_VER) installed to '$PRFX_PATH'"
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mkdir -p "${PRFX_PATH}"
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cp "$YCT_PATH/$BUILD_DIR/tmp/deploy/images/$BOARD/$BB_TARGET-$BOARD.wic" "${PRFX_PATH}/$IMAGE_NAME"
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cp "$YCT_PATH/$BUILD_DIR/tmp/deploy/images/$BOARD/$BB_TARGET-$BOARD.tar.zst" "${PRFX_PATH}/$ROOTFS_TAR"
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if [[ $BOARD =~ mx6ull ]] ; then
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cp "$YCT_PATH/$BUILD_DIR/tmp/deploy/images/$BOARD/u-boot-${BOARD}.imx" "${PRFX_PATH}/u-boot-${BOARD}.imx"
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else
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cp "$YCT_PATH/$BUILD_DIR/tmp/deploy/images/$BOARD/imx-boot" "${PRFX_PATH}/u-boot-${BOARD}.imx"
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fi
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cd "${PRFX_PATH}/"
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if [[ $(echo "$COMPRESS" | tr 'A-Z' 'a-z') == "yes" ]] ; then
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pr_info "Start bzip2 compress $IMAGE_NAME"
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rm -f "$IMAGE_NAME.bz2"
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bzip2 "$IMAGE_NAME"
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fi
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chmod a+x "u-boot-${BOARD}.imx"
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ls && echo ""
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if [ -n "$INST_PATH" ] && [ -w "$INST_PATH" ] ; then
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pr_info "Start copy Yocto system images to $INST_PATH"
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cp "u-boot-${BOARD}.imx" "$INST_PATH"
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cp $IMAGE_NAME* "$INST_PATH"
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cp "$ROOTFS_TAR" "$INST_PATH"
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ls "${INST_PATH}" && echo ""
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fi
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}
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function do_clean()
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{
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cd "$PRJ_PATH"
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rm -rf "$PRFX_PATH"
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}
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#+-------------------------+
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#| Shell script body entry |
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#+-------------------------+
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export_env
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if [[ $# == 1 && $1 == -c ]] ;then
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pr_warn "start clean Yocto source code"
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do_clean
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exit 0
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fi
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pr_warn "start build Yocto $YCT_VER for ${BOARD}"
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do_fetch
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do_patch
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do_build
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do_install
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