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https://git.in.rschanz.org/ryan77627/guix.git
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1d86b05618
* gnu/build/vm.scm (make-iso9660-image): Accept XORRISO, GRUB-MKRESCUE-ENVIRONMENT. * gnu/system/vm.scm (iso9660-image): Pass XORRISO; accept GRUB-MKRESCUE-ENVIRONMENT. (system-disk-image): Pass GRUB-MKRESCUE-ENVIRONMENT. * gnu/packages/patches/xorriso-no-mbr-in-inner-efi.patch: New file. * gnu/packages/patches/xorriso-no-partition-table-in-inner-efi.patch: New file. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/cdrom.scm (xorriso)[source]: Add patches. [arguments]<#:phases>[install-frontends]: Add phase.
47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
https://dev.lovelyhq.com/libburnia/libisoburn/commit/1eb51f44dadb8b6c5f87533ca357186cdc1ac625
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diff --git a/frontend/grub-mkrescue-sed.sh b/frontend/grub-mkrescue-sed.sh
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index b3948c99..dcd9d696 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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@@ -120,6 +120,7 @@ fi
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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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+# "extra" not only zeros the partition table but also the MBR signature.
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efi_zero_inner_pt=no
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if test -n "$MKRESCUE_SED_IN_EFI_NO_PT"
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then
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@@ -192,24 +193,31 @@ then
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find "$dir"
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fi
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-if test "$efi_zero_inner_pt" = yes
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+if test "$efi_zero_inner_pt" = yes -o "$efi_zero_inner_pt" = extra
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then
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did_dd=0
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if test -e "$dir"/efi.img
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then
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+ # Look for 0x55 0xAA in bytes 510 and 511
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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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+ echo "Performing actions for MKRESCUE_SED_IN_EFI_NO_PT=$efi_zero_inner_pt" >&2
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dd if=/dev/zero bs=1 seek=446 count=64 conv=notrunc of="$dir"/efi.img
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did_dd=1
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+ if test "$efi_zero_inner_pt" = extra
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+ then
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+ dd if=/dev/zero bs=1 seek=510 count=2 conv=notrunc of="$dir"/efi.img
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+ fi
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+ echo >&2
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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 "$0 : NOTE : Will not obey MKRESCUE_SED_IN_EFI_NO_PT=$efi_zero_inner_pt" >&2
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echo >&2
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fi
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fi
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