forked from pool/os-prober
32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
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From: Andrey Borzenkov <arvidjaar@gmail.com>
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Date: Fri Jan 4 09:46:56 UTC 2013
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Subject: skip legacy Microsoft bootloader on UEFI system
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References: bnc#775610
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Patch-Mainline: no
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Sometimes Windows installs both legacy BIOS and UEFI bootloaders.
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Attempt to chainload legacy bootloader on UEFI system fails. Skip
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adding legacy bootloader in this case.
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TODO: this probably should be implemented as runtime check. But it
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does the right thing in majority of cases. If mixed legacy/UEFI
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boot will be used frequently, it can be revisited.
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Index: os-prober/os-probes/mounted/x86/20microsoft
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===================================================================
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--- os-prober.orig/os-probes/mounted/x86/20microsoft
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+++ os-prober/os-probes/mounted/x86/20microsoft
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@@ -7,6 +7,12 @@ partition="$1"
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mpoint="$2"
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type="$3"
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+# This script looks for legacy BIOS bootloaders only. Skip if running UEFI
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+if [ -d /sys/firmware/efi ]; then
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+ debug "Skipping legacy bootloaders on UEFI system"
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+ exit 1
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+fi
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+
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# Weed out stuff that doesn't apply to us
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case "$type" in
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ntfs|ntfs-3g) debug "$1 is a NTFS partition" ;;
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