31 lines
734 B
Bash
31 lines
734 B
Bash
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#!/bin/sh
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# args
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dir="$1"
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# cfg
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shell="$dir/Shell.efi"
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enroll="$dir/EnrollDefaultKeys.efi"
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vfat="$dir/shell.img"
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iso="$dir/UefiShell.iso"
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export MTOOLS_SKIP_CHECK=1
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# calc size
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s1=$(stat --format=%s -- $shell)
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s2=$(stat --format=%s -- $enroll)
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size=$(( ($s1 + $s2) * 11 / 10 ))
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set -x
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# create non-partitioned FAT image
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/usr/sbin/mkdosfs -C "$vfat" -n UEFI_SHELL -- "$(( $size / 1024 ))"
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mmd -i "$vfat" ::efi
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mmd -i "$vfat" ::efi/boot
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mcopy -i "$vfat" "$shell" ::efi/boot/bootx64.efi
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mcopy -i "$vfat" "$enroll" ::
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#mdir -i "$vfat" -/ ::
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# build ISO with FAT image file as El Torito EFI boot image
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genisoimage -input-charset ASCII -J -rational-rock \
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-efi-boot "${vfat##*/}" -no-emul-boot -o "$iso" -- "$vfat"
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rm -f "$vfat"
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