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87 lines
4.6 KiB
87 lines
4.6 KiB
#!/usr/bin/env bash
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#
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# Author: Dmitry Razumov <asmeron@ublinux.com>
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# Copyright (c) 2021-2025 UBLinux <support@ublinux.com>
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#
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ENABLED=yes
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[[ ${ENABLED} == "yes" ]] || exit 0
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PATH_BOOT="/memory/layer-base/0"
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PATH_KERNEL="/usr/lib/modules"
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copy_newkernel_to_boot(){
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# Найти все файлы ядра и initramfs. Еслии новее по дате модификации в системе, то заменить загрузочные
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mountpoint --quiet "${PATH_BOOT}" || return 0
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find ${PATH_KERNEL} -maxdepth 2 -name "vmlinuz-*.*.*-*" -print | while read FIND_FILE; do
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local DTIME_FIND_FILE=$(stat -c'%Y' $(readlink -e ${FIND_FILE} 2>/dev/null))
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[[ -e ${PATH_BOOT}/${FIND_FILE##*/} ]] && local DTIME_BOOT_FILE=$(stat -c'%Y' ${PATH_BOOT}/${FIND_FILE##*/} 2>/dev/null) || local DTIME_BOOT_FILE=
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[[ ${DTIME_FIND_FILE} =~ ^[0-9]+$ && ${DTIME_BOOT_FILE} =~ ^[0-9]+$ ]] && [[ ${DTIME_FIND_FILE} -gt ${DTIME_BOOT_FILE} ]] \
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&& install -CDm400 -o root -g root $(readlink -e ${FIND_FILE}) ${PATH_BOOT}/${FIND_FILE##*/}
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done
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find ${PATH_KERNEL} -maxdepth 2 -name "ublinux-*.*.*-*" -print | while read FIND_FILE; do
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local DTIME_FIND_FILE=$(stat -c'%Y' $(readlink -e ${FIND_FILE} 2>/dev/null))
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[[ -e ${PATH_BOOT}/${FIND_FILE##*/} ]] && local DTIME_BOOT_FILE=$(stat -c'%Y' ${PATH_BOOT}/${FIND_FILE##*/} 2>/dev/null) || local DTIME_BOOT_FILE=
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[[ ${DTIME_FIND_FILE} =~ ^[0-9]+$ && ${DTIME_BOOT_FILE} =~ ^[0-9]+$ ]] && [[ ${DTIME_FIND_FILE} -gt ${DTIME_BOOT_FILE} ]] \
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&& install -CDm400 -o root -g root $(readlink -e ${FIND_FILE}) ${PATH_BOOT}/${FIND_FILE##*/}
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done
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find ${PATH_KERNEL} -maxdepth 2 -name "addon-*.*.*-*" -print | while read FIND_FILE; do
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local DTIME_FIND_FILE=$(stat -c'%Y' $(readlink -e ${FIND_FILE} 2>/dev/null))
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[[ -e ${PATH_BOOT}/${FIND_FILE##*/} ]] && local DTIME_BOOT_FILE=$(stat -c'%Y' ${PATH_BOOT}/${FIND_FILE##*/} 2>/dev/null) || local DTIME_BOOT_FILE=
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[[ ${DTIME_FIND_FILE} =~ ^[0-9]+$ && ${DTIME_BOOT_FILE} =~ ^[0-9]+$ ]] && [[ ${DTIME_FIND_FILE} -gt ${DTIME_BOOT_FILE} ]] \
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&& install -CDm400 -o root -g root $(readlink -e ${FIND_FILE}) ${PATH_BOOT}/${FIND_FILE##*/}
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done
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}
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remove_oldkernel_from_boot(){
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# Найти все файлы ядра "vmlinuz-*.*.*-*" и initramfs "ublinux-*.*.*-*" в ${PATH_BOOT}/boot и которые отсутствуют в /usr/modules/*/ удалить
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mountpoint --quiet "${PATH_BOOT}" || return 0
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find ${PATH_BOOT} -maxdepth 1 -name "vmlinuz-*.*.*-*" -exec bash -c "find ${PATH_KERNEL} -maxdepth 2 -name \${1##*/} -exec false \{\} + && rm -f \$1" bash {} \;
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find ${PATH_BOOT} -maxdepth 1 -name "ublinux-*.*.*-*" -exec bash -c "find ${PATH_KERNEL} -maxdepth 2 -name \${1##*/} -exec false \{\} + && rm -f \$1" bash {} \;
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}
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exec_prepare_menu_kernel(){
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# Сформировать меню выбора версии ядра
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mountpoint --quiet "${PATH_BOOT}" || return 0
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FILE_LANG=${LANG%_*}
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FILE_BOOTMENU_KERNEL="/memory/data/from/0/boot/grub/ublinux/grub_${FILE_LANG}_settings_kernel.cfg"
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TXT_RETURN="Return"; TXT_SELECTKERNEL="Select kernel version"
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TXT_RU_RETURN="Возврат"; TXT_RU_SELECTKERNEL="Выбрать версию ядра"
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[[ ${FILE_LANG} == "ru" ]] && TXT_RETURN=${TXT_RU_RETURN} && TXT_SELECTKERNEL=${TXT_RU_SELECTKERNEL}
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[[ -f ${FILE_BOOTMENU_KERNEL} ]] && rm -f ${FILE_BOOTMENU_KERNEL}
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for VMLINUZ_FILES in ${PATH_BOOT}/vmlinuz-*; do
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[[ -f "${VMLINUZ_FILES}" ]] || continue
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[[ ${VMLINUZ_FILES} =~ .*\/vmlinuz\-([0-9]+\.[0-9]+\.[a-z0-9_]+\-[0-9]+)$ ]]
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VMLINUZ_VER=${BASH_REMATCH[1]}
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if [[ -n ${VMLINUZ_VER} && -f ${PATH_BOOT}/ublinux-${VMLINUZ_VER} ]]; then
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VMLINUZ_FILE="vmlinuz-\${VMLINUZ_VER}"
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UBLINUX_FILE="ublinux-\${VMLINUZ_VER}"
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[[ -f ${PATH_BOOT}/addon-${VMLINUZ_VER} ]] && ADDON_FILE="addon-\${VMLINUZ_VER}" || ADDON_FILE=""
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cat << EOF >> "${FILE_BOOTMENU_KERNEL}"
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menuentry "${TXT_SELECTKERNEL}: ${VMLINUZ_VER}" --unrestricted {
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VMLINUZ_VER="${VMLINUZ_VER}"
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VMLINUZ_FILE="${VMLINUZ_FILE}"
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UBLINUX_FILE="${UBLINUX_FILE}"
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ADDON_FILE="${ADDON_FILE}"
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export VMLINUZ_VER
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export VMLINUZ_FILE
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export UBLINUX_FILE
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export ADDON_FILE
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configfile \${prefix}/ublinux/grub_${FILE_LANG}.cfg
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}
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EOF
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fi
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done
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cat << EOF >> "${FILE_BOOTMENU_KERNEL}"
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if [ -f \${prefix}/ublinux/grub_${FILE_LANG}.cfg ]; then
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menuentry "${TXT_RETURN}" --unrestricted {
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configfile \${prefix}/ublinux/grub_${FILE_LANG}.cfg
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}
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fi
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EOF
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}
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copy_newkernel_to_boot
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remove_oldkernel_from_boot
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exec_prepare_menu_kernel
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