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91 lines
2.2 KiB
91 lines
2.2 KiB
2 years ago
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#!/bin/bash
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# GRUB 2 template
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G2TEMPL="20_memtest86+"
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# GRUB 2 environment file
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CONF_FILE="/etc/memtest86+.conf"
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# GRUB2 configuration file
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GRUB2CFG="/boot/grub2/grub.cfg"
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# GRUB2 environment variable to control image type
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CONF_VAR="INSTALL_ELF"
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# whether to install ELF image
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ELF=1
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if [ "$1" = "--help" -o "$1" = "-h" ]; then
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cat <<:EOF
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Usage:
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memtest-setup [-b|-e|-h]
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memtest-setup [--bin|--elf|--help]
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The memtest-setup utility installs Memtest86+ into GRUB 2 boot loader menu.
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It installs GRUB 2 template into /etc/grub.d directory.
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GRUB 2 configuration file needs to be regenerated manually by running:
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grub2-mkconfig -o $GRUB2CFG
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This is not done automatically because it could overwrite any custom changes
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in GRUB 2 configuration file.
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Options:
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-b, --bin Install a binary Memtest86+ image.
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-e, --elf Install an ELF Memtest86+ image (the default).
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-h, --help Print a help message and exit.
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:EOF
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exit 0
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fi
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[ "$1" = "-b" -o "$1" = "--bin" ] && ELF=0
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[ "$1" = "-e" -o "$1" = "--elf" ] && ELF=1
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if [ -d /sys/firmware/efi ]; then
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echo "ERROR: memtest86+ does not support EFI platforms."
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exit 254
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fi
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if [ ! -r "$GRUB2CFG" ]; then
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echo "ERROR: unable to read grub configuration file. Do you have enough permissions?"
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echo "Try to run as root."
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exit 249
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fi
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# install GRUB 2 template
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if [ ! -d /etc/grub.d ]; then
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echo "ERROR: unable to find /etc/grub.d"
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exit 253
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fi
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if [ ! -r /usr/share/memtest86+/$G2TEMPL ]; then
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echo "ERROR: unable to find GRUB 2 template."
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exit 251
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fi
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if ! cp /usr/share/memtest86+/$G2TEMPL /etc/grub.d; then
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echo "ERROR: unable to copy GRUB 2 template, do you have write permission to"
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echo "/etc/grub.d?"
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# EX_IOERR
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exit 74
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fi
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if [ ! -w "$CONF_FILE" ]
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then
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echo "ERROR: file '$CONF_FILE' is not writable."
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exit 250
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fi
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chmod a+x /etc/grub.d/$G2TEMPL
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echo "GRUB 2 template installed."
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echo "Do not forget to regenerate your grub.cfg by:"
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echo " # grub2-mkconfig -o $GRUB2CFG"
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# update/add configuration variable to the configuration file
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if grep -q "^\s*$CONF_VAR\s*=" "$CONF_FILE"
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then
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sed -i "/^\s*$CONF_VAR\s*=/ s/\(\s*$CONF_VAR\s*=[\"']\?\)[^\"']*\([\"']\?\s*\)/\1${ELF}\2/g" "$CONF_FILE"
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else
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echo "$CONF_VAR=\"$ELF\"" >> "$CONF_FILE"
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fi
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echo "Setup complete."
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