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21 lines
489 B
Bash
21 lines
489 B
Bash
#!/bin/sh
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upgrade_bootloader() {
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local diskdev
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. /lib/upgrade/common.sh
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if [ ! -f /boot/grub/upgraded ] && export_bootdevice && export_partdevice diskdev 0; then
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part_magic_efi "/dev/$diskdev" && return 0
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echo "(hd0) /dev/$diskdev" > /tmp/device.map
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/usr/sbin/grub-bios-setup \
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-m "/tmp/device.map" \
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-d "/boot/grub" \
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-r "hd0,msdos1" \
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"/dev/$diskdev" \
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&& touch /boot/grub/upgraded
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fi
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}
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[ "$INITRAMFS" = "1" ] || boot_hook_add preinit_main upgrade_bootloader
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