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Filename : 05efi

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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/libexec/os-probes/mounted/efi/*; do
	debug "running subtest $test"
	if [ -f "$test" ] && [ -x "$test" ]; then
		# we need results of subtest in stdout
		orig_fd_res=$fd_result
		export fd_result=1
		entry=$("$test" "$mpoint/$efi")
		export fd_result=$orig_fd_res
		if [ -n "$entry" ]; then
			debug "bootloader $entry found by subtest $test"
			ret=0
			result "${partition}@/$efi/${entry}:efi"
		fi
	fi
done

exit $ret

Name	Size	Last Modified	Owner	Permissions
efi	Dir	July 28 2023 2:56:12	root	0755
05efi	2.024 KB	October 09 2021 2:56:52	root	0755
10freedos	0.505 KB	October 09 2021 2:56:52	root	0755
10qnx	0.381 KB	October 09 2021 2:56:52	root	0755
20macosx	0.822 KB	October 09 2021 2:56:52	root	0755
20microsoft	3.366 KB	October 09 2021 2:56:52	root	0755
30utility	0.843 KB	October 09 2021 2:56:52	root	0755
40lsb	0.87 KB	October 09 2021 2:56:52	root	0755
70hurd	0.241 KB	October 09 2021 2:56:52	root	0755
80minix	0.421 KB	October 09 2021 2:56:52	root	0755
83haiku	0.863 KB	October 09 2021 2:56:52	root	0755
90linux-distro	5.6 KB	October 09 2021 2:56:52	root	0755
90solaris	0.376 KB	October 09 2021 2:56:52	root	0755

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