2019-02-06 14:34:03 +11:00
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#! /bin/bash
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set -ex
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out=/output/grub-intel.raw
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if [ -e $out ]; then
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rm $out
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fi
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# create the file
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2026-06-17 11:38:26 +02:00
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truncate -s 192M $out
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2019-02-06 14:34:03 +11:00
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# partition it
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sgdisk \
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2026-06-17 11:38:26 +02:00
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--new=1:2048: --typecode=1:EF00 -c 1:boot \
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--new=2:34:2047 --typecode=2:EF02 -c 2:BIOS-BOOT \
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--hybrid=1:2 --print $out
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2019-02-06 14:34:03 +11:00
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dev=$(losetup --find --show --partscan $out)
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trap "losetup -d $dev" EXIT
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# format filesystems
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mkfs.vfat -n BLKBOOT ${dev}p1
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# mount
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2024-04-25 20:04:11 +02:00
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mkdir -p /boot
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mount ${dev}p1 /boot
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trap "umount /boot" EXIT
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mkdir -p /boot/grub
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cp /assets/grub.cfg /boot/grub
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devmap=/boot/grub/device.map
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cat >$devmap <<EOF
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(hd0) $dev
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EOF
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2019-02-06 14:34:03 +11:00
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2024-04-25 20:04:11 +02:00
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grub-install --target=i386-pc $dev
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grub-install --target=x86_64-efi --removable --efi-directory=/boot
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2019-02-06 14:34:03 +11:00
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2024-04-25 20:04:11 +02:00
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rm $devmap
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