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Packaging-demo/README.md
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Packaging-demo/README.md
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# APM 软件包打包流程
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本文档为开发者准备,若您只是想从 deb 软件包打包 APM 软件包,您可以通过 `amber-pm-convert`指令进行全自动一键转换
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通过 `apm search amber-pm- ` 即可搜索到所有可用的 base 列表
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---
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## APM 软件包结构规范
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在阅读前,请确保您对overlayfs有了基本的了解
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overlayfs 原理解析:https://www.cnblogs.com/arnoldlu/p/13055501.html
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---
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一个典型的 APM 软件/中层依赖包应当包含以下内容
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```
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├── DEBIAN
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│ ├── control
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│ └── postinst
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└── var
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└── lib
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└── apm
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└── eom
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├── entries
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│ ├── applications
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│ ├── doc
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│ ├── glib-2.0
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│ └── man
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├── files
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│ ├── core
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│ └── work
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├── info
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└── info_debug
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```
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* DEBIAN目录包含了软件包的基本信息和依赖的环境信息
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1. 以下是 control 文件的内容
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```
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Package: eom
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Version: 1.26.0-2-apm
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Architecture: amd64
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Maintainer: APM Converter <apm-convert@spark-app.store>
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Depends: amber-pm-bookworm
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Installed-Size: 45228
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Description: APM converted package from eom
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This package was automatically converted from the original deb package.
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Based on: amber-pm-bookworm
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```
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Package: 包名。应当唯一。若使用转换器进行转换,默认和原包名一致
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Version: 版本号。若使用转换器进行转换,默认在原版本号后加`-apm`
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Architecture: 软件包架构。同 dpkg 进行填写即可。若使用转换器进行转换,默认和原包架构一致
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Depends: 依赖包。填写直接依赖的base即可
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Installed-Size: 安装后的大小。若使用转换器进行转换,会自动填写
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Description: 包描述。若使用转换器进行转换,会自动填写
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2. 以下是 postinst 文件内容
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```
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#!/bin/bash
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PACKAGE_NAME="$DPKG_MAINTSCRIPT_PACKAGE"
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if [ "$1" = "remove" ] || [ "$1" = "purge" ]; then
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echo "清理卸载残留"
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rm -rf "/var/lib/apm/$PACKAGE_NAME"
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else
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echo "非卸载,跳过清理"
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fi
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```
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若无特殊需求,内容保持一致即可,用于在卸载软件包后清理环境
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* /var/lib/apm 包含了APM 软件容器的文件和信息
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软件应当被放置在 /var/lib/apm/软件包名/ 处
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此处有两个目录,两个文件
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entries 可选,包含了软件包需要被放到 /usr/share/ 的文件,如 desktop icon 等
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files 必须,包含了软件包的 upperdir 和 workdir
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info 必须,包含了直接依赖的base信息。若应用使用了多层的依赖,会一层一层寻找info信息,直到找到底层依赖
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info_debug 可选,包含了打包时解析的依赖信息
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entries下的内容同软件需要放置到 /usr/share/ 下的内容
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files的内容请见下一节
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## APM upperdir 制作流程
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以下为手动制作 upperdir 的流程
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首先,安装 apm 并使用`sudo apm install` 安装你所需要的 base
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随后,新建三个文件夹,core,work 和 ace-env ,执行
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`sudo mount -t overlay overlay -o lowerdir='/var/lib/apm/apm/files/ace-env/var/lib/apm/base包的包名(如amber-pm-trixie)/files/ace-env',upperdir=core/,workdir=work/ ./ace-env`
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随后chroot进入进行安装操作,直接进行 apt install 或者其他都可以,完成后解除挂载 ./ace-env
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你便得到了:
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* core: 保存新增文件
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* work: 保存变更信息
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需把这两个目录重新拥有并权限换成755后放入对应的目录进行 apm 打包
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你也可以测试一下刚刚打包的软件
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fuse-overlayfs -o lowerdir='/var/lib/apm/apm/files/ace-env/var/lib/apm/base包的包名(如amber-pm-trixie)/files/ace-env',upperdir=core/,workdir=work/ ./ace-env
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即可只读挂载。这一步 apm run 包名 会帮你做好。
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> apm run 包名: 寻找 /var/lib/apm/包名/是否存在。若存在,根据info文件合成 fuser-overlayfs 参数进行挂载,随后用ACE工具chroot进入进行启动
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./ace-run 即可进入,可以尝试启动一下刚刚安装的应用
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## APM 打包
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使用 `dpkg-deb --build 软件包目录 输出目录` 即可进行打包
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140
Packaging-demo/ace-run
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#!/bin/bash
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chrootEnvPath="${chrootEnvPath:-$(pwd)/ace-env}"
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non_root_user=$(who | awk '{print $1}' | head -n 1)
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uid=$(id -u $non_root_user)
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#### This part is for args pharm
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if [ "$1" = "" ];then
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container_command="bash"
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else
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container_command="$1"
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shift
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for arg in "$@"; do
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arg="$(echo "${arg}x" | sed 's|'\''|'\'\\\\\'\''|g')"
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arg="${arg%x}"
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container_command="${container_command} '${arg}'"
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done
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fi
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#########################################################################################
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##########合成bwrap 1. 基础函数配置段
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# 初始化 EXEC_COMMAND 为 bwrap 基础指令
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EXEC_COMMAND="bwrap --dev-bind / / bwrap"
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# add_command 函数定义
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function add_command() {
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# 参数拼接,考虑到转义和空格的处理
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for arg in "$@"; do
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EXEC_COMMAND="${EXEC_COMMAND} ${arg}"
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done
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}
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function add_env_var() {
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local var_name="${1}"
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local var_value="${2}"
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if [ "$var_value" != "" ]; then
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add_command "--setenv $var_name $var_value"
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fi
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}
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##########合成bwrap 2. 特殊需求函数配置段
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function cursor_theme_dir_integration() {
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local directory=""
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if [ "$(id -u)" = "0" ]; then #####We don't want bother root to install themes,but will try to fix the unwriteable issue
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mkdir -p $chrootEnvPath/usr/share/icons
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chmod 777 -R $chrootEnvPath/usr/share/icons
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return
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fi
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for directory in "/usr/share/icons"/*; do
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# 检查是否为目录
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if [ -d "$directory" ]; then
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# 检查目录中是否存在 cursors 文件
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if [ -d "$directory/cursors" ]; then
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if [ -w $chrootEnvPath/usr/share/icons ];then
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add_command "--ro-bind-try $directory $directory"
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fi
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fi
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fi
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done
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}
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##########合成bwrap 3. 环境变量和目录绑定配置段
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# 添加环境变量和其他初始设置
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ENV_VARS=(
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"FAKEROOTDONTTRYCHOWN 1"
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"PULSE_SERVER /run/user/\$uid/pulse/native"
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"PATH /amber-ce-tools/bin-override:\$PATH"
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"IS_ACE_ENV 1"
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"XDG_DATA_DIRS /amber-ce-tools/additional-data-dir-in-container:\$XDG_DATA_DIRS"
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)
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BIND_DIRS=(
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"--dev-bind $chrootEnvPath/ /"
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"--dev-bind-try /media /media"
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"--dev-bind-try /mnt /mnt"
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"--dev-bind-try /tmp /tmp"
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"--dev-bind-try /data /data"
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"--dev-bind-try /dev /dev"
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"--proc /proc"
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"--dev-bind /sys /sys"
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"--dev-bind /run /run"
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"--dev-bind-try /run/user/\$uid/pulse /run/user/\$uid/pulse"
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"--dev-bind / /host"
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"--ro-bind-try /usr/share/themes /usr/local/share/themes"
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"--ro-bind-try /usr/share/icons /usr/local/share/icons"
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"--ro-bind-try /usr/share/fonts /usr/local/share/fonts"
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"--dev-bind-try /etc/resolv.conf /etc/resolv.conf"
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"--dev-bind-try /home /home"
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)
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EXTRA_ARGS=(
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"--hostname Amber-PM"
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"--unshare-uts"
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"--cap-add CAP_SYS_ADMIN"
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)
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EXTRA_SCRIPTS=(
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cursor_theme_dir_integration
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)
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##########合成bwrap 4. 合成并执行指令
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# 逐一添加到 EXEC_COMMAND
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for var in "${ENV_VARS[@]}"; do
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add_env_var $var
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done
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for var in "${BIND_DIRS[@]}"; do
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add_command "$var"
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done
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for var in "${EXTRA_ARGS[@]}"; do
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add_command "$var"
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done
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for var in "${EXTRA_SCRIPTS[@]}"; do
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$var
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done
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# 添加最终的 bash 命令
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add_command "bash -c \"${container_command}\""
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# 输出完整的 EXEC_COMMAND 以查看
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# echo "${EXEC_COMMAND}"
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# 注意: 实际执行时,请确保所有变量(如 $uid, $chrootEnvPath 等)都已正确定义
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eval ${EXEC_COMMAND}
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0
Packaging-demo/core/.keep
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Packaging-demo/merge.sh
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Packaging-demo/merge.sh
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fuse-overlayfs -o lowerdir=base/,upperdir=core/,workdir=temp/ ./ace-env/
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Packaging-demo/work/.keep
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0
Packaging-demo/work/.keep
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