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#!/bin/sh
# Detects all Microsoft OSes on a collection of partitions.
. /usr/share/os-prober/common.sh
partition="$1"
mpoint="$2"
type="$3"
# This file is for UEFI platform only
if [ ! -d /sys/firmware/efi ] || [ -f /var/lib/partman/ignore_uefi ]; then
debug "Not on UEFI platform"
exit 1
fi
# Weed out stuff that doesn't apply to us
case "$type" in
vfat) debug "$1 is a FAT32 partition" ;;
msdos) debug "$1 is a FAT16 partition" ;;
fat) debug "$1 is a FAT partition (mounted by GRUB)" ;;
*) debug "$1 is $type partition: exiting"; exit 1 ;;
esac
if type udevadm > /dev/null 2>&1; then
udevinfo () {
udevadm info "$@"
}
fi
if type udevinfo > /dev/null 2>&1; then
# Skip virtual devices
if udevinfo -q path -n $partition | grep -q /virtual/; then
debug "$1 is virtual device: exiting"
exit 1
fi
eval "$(udevinfo -q property -n "$partition" | grep -E '^ID_PART_ENTRY_(TYPE|SCHEME)=')"
debug "$partition partition scheme is $ID_PART_ENTRY_SCHEME"
debug "$partition partition type is $ID_PART_ENTRY_TYPE"
if [ -z "$ID_PART_ENTRY_TYPE" -o -z "$ID_PART_ENTRY_SCHEME" -o \
\( "$ID_PART_ENTRY_SCHEME" != gpt -a "$ID_PART_ENTRY_SCHEME" != msdos \) -o \
\( "$ID_PART_ENTRY_SCHEME" = gpt -a "$ID_PART_ENTRY_TYPE" != c12a7328-f81f-11d2-ba4b-00a0c93ec93b \) -o \
\( "$ID_PART_ENTRY_SCHEME" = msdos -a "$ID_PART_ENTRY_TYPE" != 0xef \) ]; then
debug "$partition is not a ESP partition: exiting"
exit 1
fi
else
debug "udevinfo and udevadm missing - cannot check partition type"
fi
efi=$(item_in_dir efi "$mpoint")
if [ -z "$efi" ]; then
debug "$mpoint does not have /EFI directory: exiting"
exit 1
fi
ret=1
for test in /usr/lib/os-probes/mounted/efi/*; do
debug "running subtest $test"
if [ -f "$test" ] && [ -x "$test" ]; then
entry=$("$test" "$mpoint/$efi")
if [ -n "$entry" ]; then
debug "bootloader $entry found by subtest $test"
ret=0
result "${partition}@/$efi/${entry}:efi"
fi
fi
done
exit $ret