Linux ip-172-26-7-228 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64
Your IP : 18.225.55.42
#!/bin/sh
# Sub-tests that require a mounted partition.
. /usr/share/os-prober/common.sh
set -e
do_unmount() {
if [ "$mounted" ]; then
umount "$tmpmnt/boot" 2>/dev/null || true
if ! umount "$tmpmnt"; then
warn "failed to umount $tmpmnt"
fi
fi
for dm_device in $dm_devices; do
if [ -e "$dm_device" ]; then
debug "remove device mapper device $dm_device"
dmsetup remove $dm_device
fi
done
rmdir "$tmpmnt" || true
}
partition="$1"
types="$(fs_type "$partition")"
if [ "$types" = NOT-DETECTED ]; then
debug "$1 type not recognised; skipping"
exit 0
elif [ "$types" = swap ]; then
debug "$1 is a swap partition; skipping"
exit 0
elif [ "$types" = crypto_LUKS ]; then
debug "$1 is a LUKS partition; skipping"
exit 0
elif [ "$types" = ntfs ]; then
if type ntfs-3g >/dev/null 2>&1; then
types='ntfs-3g ntfs'
fi
elif [ -z "$types" ]; then
if is_dos_extended_partition "$partition"; then
debug "$1 looks like an extended dos partition; skipping"
exit 0
fi
if type cryptsetup >/dev/null 2>&1 && \
cryptsetup luksDump "$partition" >/dev/null 2>&1; then
debug "$1 is a LUKS partition; skipping"
exit 0
fi
types="$(grep -v nodev /proc/filesystems)"
fi
tmpmnt=/var/lib/os-prober/mount
if [ ! -d "$tmpmnt" ]; then
mkdir "$tmpmnt"
fi
mounted=
dm_devices=
if type grub-mount >/dev/null 2>&1 && \
type grub-probe >/dev/null 2>&1 && \
grub-mount "$partition" "$tmpmnt" 2>/dev/null; then
mounted=1
type="$(grub-probe -d "$partition" -t fs)"
[ "$type" ] || type=fuseblk
elif dm_device="$(do_dmsetup osprober-linux "$partition")" && \
[ "$dm_device" ]; then
dm_devices="$dm_device"
for type in $types; do
if mountinfo=`mount -o ro -t "$type" "$dm_device" "$tmpmnt" 2>&1`; then
debug "mounted as $type filesystem"
mounted=1
case "$type" in
btrfs)
if [ -x "$tmpmnt/@/lib" ] && \
! mount --bind "$tmpmnt/@" "$tmpmnt"; then
warn "failed to mount btrfs subvolume @ on $partition"
if ! umount $tmpmnt; then
warn "failed to umount $tmpmnt"
fi
mounted=
fi
;;
esac
break
else
debug "mounting $dm_device ($partition) as $type failed: $mountinfo"
fi
done
fi
if [ "$mounted" ]; then
linux_mount_boot "$partition" "$tmpmnt"
bootpart="${mountboot%% *}"
mounted="${mountboot#* }"
if [ "$dm_device" ]; then
dm_devices="$dm_device $dm_devices"
fi
for test in /usr/lib/linux-boot-probes/mounted/*; do
if [ -f "$test" ] && [ -x "$test" ]; then
debug "running $test $partition $bootpart $tmpmnt $type"
if $test "$partition" "$bootpart" "$tmpmnt" "$type"; then
debug "$test succeeded"
do_unmount
exit 0
fi
fi
done
fi
do_unmount
# No tests found anything.
exit 1
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