108 lines
3.8 KiB
Diff
108 lines
3.8 KiB
Diff
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https://dev.lovelyhq.com/libburnia/libisoburn/commit/3a2a3ba737a06162c22ace0ae09d33ba97aa2673
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diff --git a/frontend/grub-mkrescue-sed.sh b/frontend/grub-mkrescue-sed.sh
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index d772ff22..b3948c99 100755
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--- a/frontend/grub-mkrescue-sed.sh
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+++ b/frontend/grub-mkrescue-sed.sh
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@@ -1,6 +1,6 @@
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#!/bin/sh
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-# Copyright (C) 2015 - 2016
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+# Copyright (C) 2015 - 2019
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# Thomas Schmitt <scdbackup@gmx.net>, libburnia-project.org
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# Provided under BSD license: Use, modify, and distribute as you like.
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@@ -117,6 +117,15 @@ fi
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# command line.)
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# Each argument must be a single word. No whitespace. No quotation marks.
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+# "yes" overwrites the MBR partition table area in the EFI boot image by zeros.
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+# Some EFI implementations get stuck when seeing in the EFI partition a
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+# partition table entry which begins at LBA 0.
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+efi_zero_inner_pt=no
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+if test -n "$MKRESCUE_SED_IN_EFI_NO_PT"
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+then
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+ efi_zero_inner_pt="$MKRESCUE_SED_IN_EFI_NO_PT"
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+fi
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+
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#
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# Do the work
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@@ -183,12 +192,48 @@ then
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find "$dir"
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fi
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+if test "$efi_zero_inner_pt" = yes
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+then
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+ did_dd=0
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+ if test -e "$dir"/efi.img
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+ then
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+ magic=$(dd bs=1 skip=510 count=2 if="$dir"/efi.img 2>/dev/null | \
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+ od -c | head -1 | awk '{print $2 " " $3}')
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+ if test "$magic" = "U 252"
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+ then
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+ dd if=/dev/zero bs=1 seek=446 count=64 conv=notrunc of="$dir"/efi.img
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+ did_dd=1
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+ fi
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+ fi
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+ if test "$did_dd" = 0
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+ then
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+ echo >&2
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+ echo "$0 : NOTE : No EFI image found or no MBR signature in it." >&2
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+ echo "$0 : NOTE : Will not obey MKRESCUE_SED_IN_EFI_NO_PT=yes" >&2
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+ echo >&2
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+ fi
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+fi
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+
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efi_tmp_name=
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+if test x"$mode" = xmjg \
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+ -o x"$mode" = xmbr_only \
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+ -o x"$mode" = xgpt_appended \
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+ -o x"$mode" = xmbr_hfs
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+then
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+ # Move EFI partition image file out of the "$dir" tree, i.e. out of the ISO
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+ efi_tmp_name=grub-mkrescue-sed-efi-img.$$
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+ if test -e "$dir"/efi.img
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+ then
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+ mv "$dir"/efi.img /tmp/$efi_tmp_name
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+ elif test -e /tmp/$efi_tmp_name
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+ then
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+ rm /tmp/$efi_tmp_name
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+ fi
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+fi
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+
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if test x"$mode" = xmjg
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then
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# Exchange arguments for the experimental GRUB2 mjg layout
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- efi_tmp_name=grub-mkrescue-sed-efi-img.$$
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- mv "$dir"/efi.img /tmp/$efi_tmp_name
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x=$(echo " $*" | sed \
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-e "s/-efi-boot-part --efi-boot-image/-no-pad -append_partition $partno 0xef \/tmp\/$efi_tmp_name/" \
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-e "s/--efi-boot efi\.img/-eltorito-alt-boot -e --interval:appended_partition_${partno}:all:: -no-emul-boot -isohybrid-gpt-basdat/" \
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@@ -207,8 +252,6 @@ then
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elif test x"$mode" = xmbr_only
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then
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# Exchange arguments for no-HFS MBR-only layout
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- efi_tmp_name=grub-mkrescue-sed-efi-img.$$
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- mv "$dir"/efi.img /tmp/$efi_tmp_name
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x=$(echo " $*" | sed \
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-e "s/-efi-boot-part --efi-boot-image/$iso_mbr_part_type -no-pad -append_partition 2 0xef \/tmp\/$efi_tmp_name/" \
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-e "s/--efi-boot efi\.img/-eltorito-alt-boot -e --interval:appended_partition_2:all:: -no-emul-boot/" \
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@@ -228,8 +271,6 @@ then
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elif test x"$mode" = xmbr_hfs
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then
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# Exchange arguments for MBR and HFS+ layout
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- efi_tmp_name=grub-mkrescue-sed-efi-img.$$
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- mv "$dir"/efi.img /tmp/$efi_tmp_name
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x=$(echo " $*" | sed \
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-e "s/-efi-boot-part --efi-boot-image/$iso_mbr_part_type -no-pad -append_partition 2 0xef \/tmp\/$efi_tmp_name/" \
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-e "s/--efi-boot efi\.img/-eltorito-alt-boot -e --interval:appended_partition_2:all:: -no-emul-boot/" \
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@@ -247,8 +288,6 @@ then
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elif test x"$mode" = xgpt_appended
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then
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# Exchange arguments for no-HFS MBR-only layout
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- efi_tmp_name=grub-mkrescue-sed-efi-img.$$
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- mv "$dir"/efi.img /tmp/$efi_tmp_name
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x=$(echo " $*" | sed \
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-e "s/-efi-boot-part --efi-boot-image/-no-pad -append_partition 2 0xef \/tmp\/$efi_tmp_name -appended_part_as_gpt -partition_offset 16/" \
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-e "s/--efi-boot efi\.img/-eltorito-alt-boot -e --interval:appended_partition_2:all:: -no-emul-boot/" \
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