2026-08-13 11:28:40 +08:00
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#!/bin/sh
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set -e
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PREREQ=""
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prereqs()
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{
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echo "$PREREQ"
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}
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case "$1" in
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prereqs)
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prereqs
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exit 0
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;;
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esac
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. /usr/share/initramfs-tools/hook-functions
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amlramfs=/usr/local/amlramfs
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modules_dir=/lib/modules/
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echo "Installing custom ramfs... ${version}"
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#
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# 1. 替换默认 init
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#
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mkdir -p "${DESTDIR}"
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cp "${DESTDIR}/init" "/usr/local/init_back"
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mv "${DESTDIR}/init" "${DESTDIR}/init2"
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cp -a "${amlramfs}/init" \
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"${DESTDIR}/init"
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chmod 755 "${DESTDIR}/init"
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#
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# 3. 拷贝模块
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#
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2026-11-11 08:50:43 +08:00
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ramdisk_source="/lib/modules/${version}/modules/ramdisk"
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ramdisk_order="${ramdisk_source}/ramdisk_modules.order"
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ramdisk_installer="${ramdisk_source}/ramdisk_install.sh"
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ramdisk_target="${DESTDIR}/modules/ramdisk"
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if [ ! -f "${ramdisk_order}" ]; then
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echo "ERROR: ramdisk module list missing: ${ramdisk_order}" >&2
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exit 1
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2026-08-13 11:28:40 +08:00
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fi
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2026-11-11 08:50:43 +08:00
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if [ ! -f "${ramdisk_installer}" ]; then
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echo "ERROR: ramdisk installer missing: ${ramdisk_installer}" >&2
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exit 1
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fi
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echo "Installing ramdisk modules ..."
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mkdir -p "${ramdisk_target}" || exit 1
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cp -a "${ramdisk_order}" "${ramdisk_installer}" "${ramdisk_target}/" || exit 1
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while IFS= read -r module; do
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[ -n "${module}" ] || continue
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module_path="$(find "/lib/modules/${version}/kernel" \
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-type f -name "${module}" -print -quit)"
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if [ -z "${module_path}" ]; then
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echo "ERROR: ramdisk module missing from kernel tree: ${module}" >&2
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exit 1
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fi
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cp -a "${module_path}" "${ramdisk_target}/${module}" || exit 1
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done < "${ramdisk_order}"
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2026-08-13 11:28:40 +08:00
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# 修复 init 脚本依赖的工具
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copy_exec /bin/grep # 用于 upstream_emmc_mount()
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copy_exec /usr/bin/expr # 用于 read_args()
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# 文本处理工具
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copy_exec /bin/sed # 可能被其他脚本使用
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copy_exec /bin/mawk # 通用文本处理
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ln -sf mawk ${DESTDIR}/usr/bin/awk
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# 编辑器
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copy_exec /usr/bin/vim.tiny # vi 编辑器
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copy_exec /bin/nano # 简单的替代编辑器
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# 文件查看工具
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copy_exec /usr/bin/less # 更好的文件查看
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copy_exec /bin/more # 基础文件查看
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echo "Custom ramfs installed."
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