100 lines
2.4 KiB
Bash
Executable File
100 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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# Sub-tests that require a mounted partition.
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set -e
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partition="$1"
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. /usr/share/os-prober/common.sh
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types="$(fs_type "$partition")" || types=NOT-DETECTED
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if [ "$types" = NOT-DETECTED ] || [ -z "$types" ]; then
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debug "$1 type not recognised; skipping"
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exit 0
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elif [ "$types" = swap ]; then
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debug "$1 is a swap partition; skipping"
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exit 0
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elif [ "$types" = LVM2_member ]; then
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debug "$1 is a LVM member partition; skipping"
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exit 0
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elif [ "$types" = crypto_LUKS ]; then
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debug "$1 is a LUKS partition; skipping"
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exit 0
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elif [ "$types" = ntfs ]; then
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if type ntfs-3g >/dev/null 2>&1; then
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types='ntfs-3g ntfs'
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fi
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elif [ -z "$types" ]; then
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if type cryptsetup >/dev/null 2>&1 && \
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cryptsetup luksDump "$partition" >/dev/null 2>&1; then
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debug "$1 is a LUKS partition; skipping"
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exit 0
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fi
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for type in $(grep -v nodev /proc/filesystems); do
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# hfsplus filesystems are mountable as hfs. Try hfs last so
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# that we can tell the difference.
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if [ "$type" = hfs ]; then
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delaytypes="${delaytypes:+$delaytypes }$type"
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elif [ "$type" = fuseblk ]; then
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if type ntfs-3g >/dev/null 2>&1; then
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types="${types:+$types }ntfs-3g"
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fi
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else
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types="${types:+$types }$type"
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fi
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done
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fi
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tmpmnt=/var/lib/os-prober/mount
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if [ ! -d "$tmpmnt" ]; then
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mkdir "$tmpmnt"
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fi
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mounted=
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if type grub-mount >/dev/null 2>&1 && \
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type grub-probe >/dev/null 2>&1 && \
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grub-mount "$partition" "$tmpmnt" 2>/dev/null; then
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mounted=1
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type="$(grub-probe -d "$partition" -t fs)" || true
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if [ "$type" ]; then
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debug "mounted using GRUB $type filesystem driver"
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else
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debug "mounted using GRUB, but unknown filesystem?"
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type=fuseblk
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fi
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else
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echo "Failed to probe $partition for filesystem type" >&2
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exit 1
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fi
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if [ "$mounted" ]; then
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for test in /usr/lib/os-probes/mounted/*; do
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debug "running subtest $test"
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if [ -f "$test" ] && [ -x "$test" ]; then
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if "$test" "$partition" "$tmpmnt" "$type"; then
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debug "os found by subtest $test"
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if ! umount "$tmpmnt"; then
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warn "failed to umount $tmpmnt"
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fi
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case "$type" in
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btrfs)
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# umount to account for the bind-mount
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if [ -x "$tmpmnt/@/lib" ] && \
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! umount $tmpmnt; then
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warn "failed to umount $tmpmnt"
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fi
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;;
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esac
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rmdir "$tmpmnt" || true
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exit 0
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fi
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fi
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done
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if ! umount "$tmpmnt"; then
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warn "failed to umount $tmpmnt"
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fi
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fi
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rmdir "$tmpmnt" || true
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# No tests found anything.
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exit 1
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