choe: update build script

修改构建脚本，判断容器与物理机运行，让 Workflows 也可以直接用 deepin 的 docker 构建根文件系统。

Author: chenchongbiao

.github/workflows/build-rootfs.yml

@@ -36,22 +36,22 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: update source and add binfmts # 更新源到 noble
+      - name: update source and add binfmts
         run: |
-          curl https://community-packages.deepin.com/deepin/beige/pool/main/d/deepin-keyring/deepin-keyring_2024.01.16_all.deb --output deepin-keyring.deb
-          sudo apt install ./deepin-keyring.deb && rm ./deepin-keyring.deb
-          echo "deb https://community-packages.deepin.com/beige/ beige main commercial community" | sudo tee -a /etc/apt/sources.list
-
-          sudo sed -i 's/jammy/noble/g' /etc/apt/sources.list
-          sudo apt update -y && sudo apt install mmdebstrap qemu-user-static usrmerge qemu-user systemd
-          sudo apt-mark hold usrmerge
-          sudo cp -v /usr/lib/arch-test/riscv64 /usr/lib/arch-test/loong64
-          sudo sed -i "/riscv64  => 'riscv64',/a\            loong64  => 'loongarch64'," /usr/bin/mmdebstrap
+          sudo apt update -y && sudo apt install qemu-user-static qemu-user arch-test systemd
           sudo systemctl restart systemd-binfmt
 
+      - name: pull deepin docker
+        run: docker pull linuxdeepin/deepin:beige
+
       - name: Run build.sh
         run: |
-          sudo bash build.sh
+          docker run --rm \
+          --privileged \
+          -v "${{ github.workspace }}:/workspace" \
+          -w /workspace \
+          linuxdeepin/deepin \
+          /bin/bash -c "./build.sh"
 
       - name: Read version
         id: read_version

build.sh

@@ -13,11 +13,31 @@ SOURCES_FILE=config/apt/sources.list
 readarray -t REPOS < $SOURCES_FILE
 OUT_DIR=rootfs
 
-mkdir -p $OUT_DIR
 
-sudo apt update -y && sudo apt install -y curl git mmdebstrap qemu-user-static usrmerge systemd-container usrmerge
-# 开启异架构支持
-sudo systemctl start systemd-binfmt
+# 检测容器环境
+is_docker() {
+    # 是否存在 /.dockerenv 文件（Docker 特有）
+    if [[ -f /.dockerenv ]]; then
+        return 1  # 是容器
+    fi
+    return 0
+}
+
+
+sudo apt update -y && sudo apt install -y curl git mmdebstrap qemu-user-static usrmerge
+if [[ ! is_docker ]];
+then
+    # 开启异架构支持
+    sudo systemctl restart systemd-binfmt
+
+fi
+
+if [[ is_docker ]];
+then
+    # 让 mmdebstrap 的 loong64 指向 loongarch64
+    sudo sed -i "/riscv64  => 'riscv64',/a\            loong64  => 'loongarch64'," /usr/bin/mmdebstrap
+    sudo mount -t binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc
+fi
 
 function build_rootfs() {
     sudo mmdebstrap \
@@ -40,6 +60,11 @@ systemd=true
 EOF
     fi
 
+    if [[ is_docker ]];
+    then
+        sudo umount /proc/sys/fs/binfmt_misc
+    fi
+
     # 生成压缩包
     pushd $OUT_DIR
     rm -rf $dist_name-$TARGET-rootfs-$arch.tar.gz
@@ -49,6 +74,8 @@ EOF
     popd
 }
 
+mkdir -p $OUT_DIR
+
 TARGET=wsl
 PACKAGES=`cat config/packages.list/$TARGET-packages.list | grep -v "^-" | xargs | sed -e 's/ /,/g'`
 for arch in amd64 arm64; do

config/hooks.chroot/second-stage

@@ -3,12 +3,24 @@
 rootdir="$1"
 
 # 执行命令的辅助函数
-run_in_chroot() {
-    systemd-nspawn -D "$rootdir" bash -c "$@"
+setup_chroot_environment() {
+    sudo mount --bind /dev "$rootdir/dev"
+    sudo mount -t proc chproc "$rootdir/proc"
+    sudo mount -t sysfs chsys "$rootdir/sys"
+    sudo mount -t tmpfs -o "size=99%" tmpfs "$rootdir/tmp"
+    sudo mount -t tmpfs -o "size=99%" tmpfs "$rootdir/var/tmp"
 }
 
+run_command_in_chroot()
+{
+    command="$1"
+    sudo chroot "$rootdir" /usr/bin/env -i DEBIAN_FRONTEND=noninteractive bash -e -o pipefail -c "$command"
+}
+
+setup_chroot_environment
+
 # 设置语言
-run_in_chroot "
+run_command_in_chroot "
 sed -i -E 's/#[[:space:]]?(en_US.UTF-8[[:space:]]+UTF-8)/\1/g' /etc/locale.gen
 sed -i -E 's/#[[:space:]]?(zh_CN.UTF-8[[:space:]]+UTF-8)/\1/g' /etc/locale.gen
 
@@ -17,10 +29,16 @@ DEBIAN_FRONTEND=noninteractive dpkg-reconfigure locales
 "
 
 # 微软提供的 wsl 启动器会调用adduser,需要将 USERS_GID 和 USERS_GROUP 注释。
-run_in_chroot "sed -i -e 's/USERS_GID=100/#USERS_GID=100/' -e 's/USERS_GROUP=users/#USERS_GROUP=users/' /etc/adduser.conf"
+run_command_in_chroot "sed -i -e 's/USERS_GID=100/#USERS_GID=100/' -e 's/USERS_GROUP=users/#USERS_GROUP=users/' /etc/adduser.conf"
 
 # 清理缓存
-run_in_chroot "
+run_command_in_chroot "
 apt clean
 rm -rf /var/cache/apt/archives/*
 "
+
+sudo umount $rootdir/tmp
+sudo umount $rootdir/var/tmp
+sudo umount $rootdir/proc
+sudo umount $rootdir/sys
+sudo umount $rootdir/dev