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50mounted-tests
#!/bin/sh # Sub-tests that require a mounted partition. set -e partition="$1" . /usr/share/os-prober/common.sh do_unmount() { if [ "$mounted" ]; then if ! umount "$tmpmnt"; then warn "failed to umount $tmpmnt" fi fi if [ -e "$dm_device" ] then debug "remove device mapper device $dm_device" dmsetup remove $dm_device fi rmdir "$tmpmnt" || true } 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" = LVM2_member ]; then debug "$1 is an LVM member; skipping" exit 0 elif [ "$types" = ntfs ]; then if type ntfs-3g >/dev/null 2>&1; then types='ntfs-3g ntfs' fi elif [ -z "$types" ]; then if type cryptsetup >/dev/null 2>&1 && \ cryptsetup luksDump "$partition" >/dev/null 2>&1; then debug "$1 is a LUKS partition; skipping" exit 0 fi for type in $(grep -v nodev /proc/filesystems); do # hfsplus filesystems are mountable as hfs. Try hfs last so # that we can tell the difference. if [ "$type" = hfs ]; then delaytypes="${delaytypes:+$delaytypes }$type" elif [ "$type" = fuseblk ]; then if type ntfs-3g >/dev/null 2>&1; then types="${types:+$types }ntfs-3g" fi else types="${types:+$types }$type" fi done fi tmpmnt=/var/lib/os-prober/mount if [ ! -d "$tmpmnt" ]; then mkdir "$tmpmnt" fi mounted= if type grub-mount >/dev/null 2>&1 && \ type grub-probe >/dev/null 2>&1 && \ grub-mount "$partition" "$tmpmnt" 2>/dev/null; then mounted=1 type="$(grub-probe -d "$partition" -t fs)" || true if [ "$type" ]; then debug "mounted using GRUB $type filesystem driver" else debug "mounted using GRUB, but unknown filesystem?" type=fuseblk fi elif dm_device="$(do_dmsetup osprober "$partition")" && \ [ "$dm_device" ]; then for type in $types $delaytypes; do if mountinfo=`mount -o ro -t "$type" "$dm_device" "$tmpmnt" 2>&1`; then debug "mounted as $type filesystem" mounted=1 break else debug "mounting $dm_device ($partition) as $type failed: $mountinfo" fi done fi if [ "$mounted" ]; then for test in /usr/lib/os-probes/mounted/*; do debug "running subtest $test" if [ -f "$test" ] && [ -x "$test" ]; then if "$test" "$partition" "$tmpmnt" "$type"; then debug "os found by subtest $test" do_unmount exit 0 fi fi done fi do_unmount # No tests found anything. exit 1