132 lines
4.3 KiB
Bash
Executable File
132 lines
4.3 KiB
Bash
Executable File
#!/bin/bash
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[ ${GFU_DEBUG} ] && set -x
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SCRIPT_NAME="${0}"
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SCRIPT_PATH=$(realpath ${SCRIPT_NAME})
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# [ ! "$(id -u)" == 0 ] && echo "Need to run as superuser" && exit 1
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main () {
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local GFU_KEY=""
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local GFU_DEVICE=""
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local GFU_LEGACY_MODE=false
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local GFU_EFI_MODE=false
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local GFU_MOUNT_PATH=""
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while [[ $# -gt 0 ]] ; do
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GFU_KEY="$1"
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case "${GFU_KEY}" in
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-d|--device)
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GFU_DEVICE="${2}"
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shift
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;;
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-l|--legacy)
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GFU_LEGACY_MODE=true
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;;
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-e|--efi)
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GFU_EFI_MODE=true
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;;
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-p|--path)
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GFU_MOUNT_PATH="${2}"
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shift
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;;
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*)
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break
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;;
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esac
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shift
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done
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local GFU_GRUB_PATH="/usr/lib/grub"
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local GFU_GRUB_EFI_X32="i386-efi"
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local GFU_GRUB_EFI_X64="x86_64-efi"
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local GFU_GRUB_LEGACY="i386-pc"
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GFU_DEVICE=${GFU_DEVICE:-$ENV_GFU_DEVICE}
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[ -z "${GFU_DEVICE}" ] && echo "ENV_GFU_DEVICE: The device was not set" && exit 1
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[ ! -b ${GFU_DEVICE} ] && echo "ENV_GFU_DEVICE: Device not found: ${GFU_DEVICE}" && exit 1
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${GFU_LEGACY_MODE} && ${GFU_EFI_MODE} && echo "You only need to set one mode: legacy or efi" && exit 1
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! ${GFU_LEGACY_MODE} && ! ${GFU_EFI_MODE} && echo "None of the modes are set: legacy or efi" && exit 1
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GFU_MOUNT_PATH=${GFU_MOUNT_PATH:-$ENV_GFU_MOUNT_PATH}
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[ -z "${GFU_MOUNT_PATH}" ] && echo "ENV_GFU_MOUNT_PATH: The path to the mount directory was not set" && exit 1
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GFU_MOUNT_PATH=$(realpath ${GFU_MOUNT_PATH} 2>/dev/null)
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if ${GFU_LEGACY_MODE} ; then
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local GFU_GRUB_LEGACY_MODE_PATH="${GFU_GRUB_PATH}/${GFU_GRUB_LEGACY}"
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local GFU_GRUB_LEGACY_MODE=false
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[ -d ${GFU_GRUB_LEGACY_MODE_PATH} ] && GFU_GRUB_LEGACY_MODE=true
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! ${GFU_GRUB_LEGACY_MODE} && echo "No legacy bootloader was found for installation: ${GFU_GRUB_LEGACY}" && exit 1
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fi
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if ${GFU_EFI_MODE} ; then
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local GFU_GRUB_EFI_MODE_X32_PATH="${GFU_GRUB_PATH}/${GFU_GRUB_EFI_X32}"
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local GFU_GRUB_EFI_MODE_X64_PATH="${GFU_GRUB_PATH}/${GFU_GRUB_EFI_X64}"
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local GFU_GRUB_EFI_MODE_X32=false
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local GFU_GRUB_EFI_MODE_X64=false
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[ -d ${GFU_GRUB_EFI_MODE_X32_PATH} ] && GFU_GRUB_EFI_MODE_X32=true
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[ -d ${GFU_GRUB_EFI_MODE_X64_PATH} ] && GFU_GRUB_EFI_MODE_X64=true
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! ${GFU_GRUB_EFI_MODE_X32} && ! ${GFU_GRUB_EFI_MODE_X64} && echo "No EFI bootloader was found for installation: ${GFU_GRUB_EFI_X32} or ${GFU_GRUB_EFI_X64}" && exit 1
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fi
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mkdir -v -p ${GFU_MOUNT_PATH} 2>/dev/null
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if [ ! -d ${GFU_MOUNT_PATH} ] ; then
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echo "Path is not a directory: ${GFU_MOUNT_PATH}"
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exit 1
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fi
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if [ ! -z "$(ls -A ${GFU_MOUNT_PATH})" ]; then
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echo "Path is not empty: ${GFU_MOUNT_PATH}"
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exit 1
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fi
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while true; do
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read -p "All data will be deleted from your device ${GFU_DEVICE}. Are you ready to continue? [Y/N]: " answer
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case "$answer" in
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[Yy]* ) break ;;
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[Nn]* ) exit 0 ;;
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* ) ;;
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esac
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done
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if ${GFU_LEGACY_MODE} ; then
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parted ${GFU_DEVICE} -s mklabel msdos
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else
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parted ${GFU_DEVICE} -s mklabel gpt
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fi
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parted ${GFU_DEVICE} -s -- mkpart primary 2048s 2099199s
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parted ${GFU_DEVICE} -s set 1 boot on
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mkfs.fat -F32 ${GFU_DEVICE}1
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if ! mount -v -o umask=000 ${GFU_DEVICE}1 ${GFU_MOUNT_PATH} ; then
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echo "Failed to mount the device ${GFU_DEVICE}1 to the path ${GFU_MOUNT_PATH}. Further installation will be terminated"
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exit 1
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fi
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if ${GFU_LEGACY_MODE} ; then
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${GFU_GRUB_LEGACY_MODE} && grub-install --no-floppy --boot-directory=${GFU_MOUNT_PATH}/boot --target=i386-pc ${GFU_DEVICE}
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else
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${GFU_GRUB_EFI_MODE_X32} && grub-install --removable --boot-directory=${GFU_MOUNT_PATH}/boot --efi-directory=${GFU_MOUNT_PATH} --target=i386-efi ${GFU_DEVICE}
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${GFU_GRUB_EFI_MODE_X64} && grub-install --removable --boot-directory=${GFU_MOUNT_PATH}/boot --efi-directory=${GFU_MOUNT_PATH} --target=x86_64-efi ${GFU_DEVICE}
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fi
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if [ -d ${SCRIPT_PATH}/grub ] ; then
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cp -rv ${SCRIPT_PATH}/grub ${GFU_MOUNT_PATH}/boot
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else
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touch ${GFU_MOUNT_PATH}/boot/grub/grub.cfg
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fi
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umount -v ${GFU_MOUNT_PATH}1
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}
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main "${@}"
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