immortalwrt_image_builder/main.sh

#!/bin/bash
set -e

# 安装 Image Builder 构建所需依赖
install_dependencies() {
  apt install -y build-essential libncurses-dev zlib1g-dev gawk git \
    gettext libssl-dev xsltproc rsync wget unzip python3 qemu-utils mkisofs zstd
}

# 下载并解压 x86-64 的 Image Builder
# 参数 1: ImmortalWrt 版本号，例如 25.12.0
# 输出: 解压的后 Image Builder 目录绝对路径
download_imagebuilder() {
  local version="$1"
  local file="immortalwrt-imagebuilder-$version-x86-64.Linux-x86_64.tar.zst"
  local url="https://downloads.immortalwrt.org/releases/$version/targets/x86/64/$file"
  local folder="immortalwrt-imagebuilder-$version-x86-64.Linux-x86_64"
  local marker="$folder/.ready"

  if [ -f "$marker" ]; then
    echo "$(pwd)/$folder"
    return 0
  fi

  # 如果目录存在但不完整，清理
  if [ -d "$folder" ] && [ ! -f "$marker" ]; then
    echo "[WARN] found incomplete folder, cleaning..." >&2
    rm -rf "$folder"
  fi

  # 下载（强制覆盖）
  wget -O "$file" "$url" >&2

  # 解压
  tar -I zstd -xvf "$file" >&2

  touch "$marker"

  echo "$(pwd)/$folder"
}


build(){
  # ────────────────────────────────────────────
  #  设备 Profile
  #  运行 `make info` 查看所有可用 profile
  # ────────────────────────────────────────────
  PROFILE="generic"           # x86_64 通用 profile，可改为 x86_64 等

  # ────────────────────────────────────────────
  #  自定义文件目录（映射到固件根文件系统）
  # ────────────────────────────────────────────
  FILES_DIR="files"

  SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
  BUILDER_DIR="${1}" 

  # ────────────────────────────────────────────
  #  固件输出目录
  # ────────────────────────────────────────────
  OUTPUT_DIR="$BUILDER_DIR/output"
  PROJECT_OUTPUT_DIR="$SCRIPT_DIR/output"

  # ────────────────────────────────────────────
  #  固件文件名附加标识（可留空）
  # ────────────────────────────────────────────
  EXTRA_IMAGE_NAME=""

  # =============================================================
  #  插件包列表
  #  - 前面加 - 表示从固件中移除该包，例如 -dnsmasq
  #  - 每行一个，方便增删注释
  # =============================================================
  PKG_LIST=(
    -dropbear 
    openssh-server 
    openssh-sftp-server
    vim-full
    nano-plus
    bash
    luci-i18n-vlmcsd-zh-cn
    luci-i18n-argon-config-zh-cn
    luci-i18n-package-manager-zh-cn
    luci-i18n-firewall-zh-cn
    luci-i18n-arpbind-zh-cn
    luci-i18n-ttyd-zh-cn
    
    # 现代终端工具
    ripgrep
    diffutils 
    less
    eza
    fish

    # 分区扩容
    luci-i18n-diskman-zh-cn
    cfdisk
    resize2fs 
    e2fsprogs 
    losetup
    
    # 代理插件
    luci-i18n-daed-zh-cn
    luci-i18n-homeproxy-zh-cn
    sing-box
    
  )

  # 动态拼接成字符串
  PACKAGES=$(printf "%s " "${PKG_LIST[@]}") 


  # 颜色输出
  GREEN="\033[0;32m"
  YELLOW="\033[1;33m"
  RED="\033[0;31m"
  NC="\033[0m"

  echo -e "${GREEN}========================================${NC}"
  echo -e "${GREEN}   OpenWrt Image Builder 开始构建${NC}"
  echo -e "${GREEN}========================================${NC}"
  echo -e "  Profile     : ${YELLOW}${PROFILE}${NC}"
  echo -e "  Files 目录  : ${YELLOW}${FILES_DIR}${NC}"
  echo -e "  输出目录    : ${YELLOW}${OUTPUT_DIR}${NC}"
  echo -e "  项目输出目录: ${YELLOW}${PROJECT_OUTPUT_DIR}${NC}"
  echo -e "  镜像标识    : ${YELLOW}${EXTRA_IMAGE_NAME}${NC}"
  echo ""

  # 切换到 Image Builder 目录
  cd "$BUILDER_DIR"

  # 修改.config文件, 不构建以下格式固件
  sed -i \
  -e 's/^CONFIG_ISO_IMAGES=y/# CONFIG_ISO_IMAGES is not set/' \
  -e 's/^CONFIG_QCOW2_IMAGES=y/# CONFIG_QCOW2_IMAGES is not set/' \
  -e 's/^CONFIG_VDI_IMAGES=y/# CONFIG_VDI_IMAGES is not set/' \
  -e 's/^CONFIG_VMDK_IMAGES=y/# CONFIG_VMDK_IMAGES is not set/' \
  -e 's/^CONFIG_VHDX_IMAGES=y/# CONFIG_VHDX_IMAGES is not set/' \
  -e 's/^CONFIG_USES_SQUASHFS=y/CONFIG_USES_SQUASHFS=n/' \
  .config


  # 检查是否在 imagebuilder 目录下
  if [ ! -f "Makefile" ]; then
      echo -e "${RED}[错误] 未找到 Makefile，请在 imagebuilder 根目录下运行本脚本！${NC}"
      exit 1
  fi

  # 创建 files 目录（如果不存在）
  if [ ! -d "$FILES_DIR" ]; then
      echo -e "${YELLOW}[提示] files/ 目录不存在，已自动创建${NC}"
      mkdir -p "$FILES_DIR"
  fi

  mkdir -p "$OUTPUT_DIR"

  # 执行构建
  make image \
      PROFILE="$PROFILE" \
      PACKAGES="$PACKAGES" \
      FILES="$FILES_DIR" \
      BIN_DIR="$OUTPUT_DIR" \
      EXTRA_IMAGE_NAME="$EXTRA_IMAGE_NAME"

  # 构建结果判断
  if [ $? -eq 0 ]; then
      if [ "$OUTPUT_DIR" != "$PROJECT_OUTPUT_DIR" ]; then
          if [ ! -d "$OUTPUT_DIR" ]; then
              echo -e "${RED}   未找到构建输出目录: ${OUTPUT_DIR}${NC}"
              exit 1
          fi

          if [ -e "$PROJECT_OUTPUT_DIR" ]; then
              BACKUP_OUTPUT_DIR="${PROJECT_OUTPUT_DIR}.bak.$(date +%Y%m%d%H%M%S)"
              if ! mv "$PROJECT_OUTPUT_DIR" "$BACKUP_OUTPUT_DIR"; then
                  echo -e "${RED}   备份已有输出目录失败: ${PROJECT_OUTPUT_DIR}${NC}"
                  exit 1
              fi
              echo -e "${YELLOW}   已有输出目录，已备份到: ${BACKUP_OUTPUT_DIR}${NC}"
          fi

          if ! mv "$OUTPUT_DIR" "$PROJECT_OUTPUT_DIR"; then
              echo -e "${RED}   移动构建输出目录失败: ${OUTPUT_DIR} -> ${PROJECT_OUTPUT_DIR}${NC}"
              exit 1
          fi
      fi

      echo ""
      echo -e "${GREEN}========================================${NC}"
      echo -e "${GREEN}   构建成功！${NC}"
      echo -e "${GREEN}   固件路径: ${PROJECT_OUTPUT_DIR}${NC}"
      echo -e "${GREEN}========================================${NC}"
  else
      echo ""
      echo -e "${RED}========================================${NC}"
      echo -e "${RED}   构建失败，请检查上方错误日志${NC}"
      echo -e "${RED}========================================${NC}"
      exit 1
  fi

}


# 项目根目录，用来保证从任意位置执行 main.sh 都能找到其他脚本
project_dir="$(cd "$(dirname "$0")" && pwd)"
cd "$project_dir"

# 要构建的 ImmortalWrt 版本, 可以在 https://github.com/immortalwrt/immortalwrt 查询版本号
version="25.12.0" 

# 安装依赖
install_dependencies

# 下载并解压 Image Builder，返回解压后的目录路径
builder_dir="$(download_imagebuilder "$version")"

# 构建固件
build $builder_dir