Файловый менеджер

Файловый менеджер - Редактировать - /usr/bin/os-prober

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#!/bin/sh set -e . /usr/share/os-prober/common.sh newns "$@" require_tmpdir log_output () { if type log-output >/dev/null 2>&1; then log-output -t os-prober --pass-stdout $@ else $@ fi } : >"$OS_PROBER_TMP/dmraid-map" DMRAID=$(type dmraid >/dev/null 2>&1 \|\| true) if [ "$DMRAID" ]; then dmraid -r -c >"$OS_PROBER_TMP/dmraid-map" fi on_sataraid () { local parent="${1%/}" local device="/dev/${parent##/}" if grep -q "$device" "$OS_PROBER_TMP/dmraid-map"; then return 0 fi return 1 } partitions () { os_name="$(uname -s)" # Exclude partitions that have whole_disk sysfs attribute set. if [ -d /sys/block ]; then # Exclude partitions on physical disks that are part of a # Serial ATA RAID disk. for part in /sys/block//[0-9]; do if [ -f "$part/start" ] && \ [ ! -f "$part/whole_disk" ] && ! on_sataraid $part; then name="$(echo "${part##/}" \| sed 's,[!.],/,g')" if [ -e "/dev/$name" ]; then echo "/dev/$name" fi fi done # Add Serial ATA RAID devices if type dmraid >/dev/null 2>&1 && \ dmraid -s -c >/dev/null 2>&1; then for raidset in $(dmraid -sa -c); do for part in /dev/mapper/"$raidset"[0-9]; do echo "$part" done done fi elif [ "$os_name" = Linux ]; then echo "Cannot find list of partitions! (Try mounting /sys.)" >&2 exit 1 elif [ "$os_name" = GNU ]; then for part in /dev/hds[0-9] /dev/sds[0-9]; do if [ -s "$part" ]; then echo "$part" fi done else # We don't know how to probe OSes on non-Linux and non-GNU kernels. # For now, just don't get in the way. exit 0 fi # Also detect OSes on LVM volumes (assumes LVM is active) if type lvs >/dev/null 2>&1; then echo "$(LVM_SUPPRESS_FD_WARNINGS=1 log_output lvs --noheadings --separator : -o vg_name,lv_name \| sed "s\|-\|--\|g;s\|^[[:space:]]$.$:$.$$\|/dev/mapper/\1-\2\|")" fi } parse_proc_swaps () { while read line; do set -f set -- $line set +f echo "$(mapdevfs $1) swap" done } parse_proc_mdstat () { if type udevadm >/dev/null 2>&1; then udevinfo () { udevadm info "$@" } fi while read line; do for word in $line; do dev="${word%%\[}" # TODO: factor this out to something in di-utils if # it's needed elsewhere if [ -d /sys/block ] && type udevinfo >/dev/null 2>&1; then if ! udevinfo -q path -n "/dev/$dev" 2>/dev/null \| \ grep -q '/././'; then continue fi elif ! echo "$dev" \| grep -q "/part"; then continue fi raidpart="/dev/$dev" echo "$(mapdevfs "$raidpart")" done done } # Needed for idempotency rm -f /var/lib/os-prober/labels for prog in /usr/lib/os-probes/init/; do if [ -x "$prog" ] && [ -f "$prog" ]; then "$prog" \|\| true fi done # We need to properly canonicalize partitions with mount points and partitions # used in RAID grep "^/dev/" /proc/mounts \| parse_proc_mounts >"$OS_PROBER_TMP/mounted-map" \|\| true : >"$OS_PROBER_TMP/swaps-map" if [ -f /proc/swaps ]; then grep "^/dev/" /proc/swaps \| parse_proc_swaps >"$OS_PROBER_TMP/swaps-map" \|\| true fi : >"$OS_PROBER_TMP/raided-map" if [ -f /proc/mdstat ] ; then grep "^md" /proc/mdstat \| parse_proc_mdstat >"$OS_PROBER_TMP/raided-map" \|\| true fi for partition in $(partitions); do if ! mapped="$(mapdevfs "$partition")"; then log "Device '$partition' does not exist; skipping" continue fi # Skip partitions used in software RAID arrays if grep -q "^$mapped" "$OS_PROBER_TMP/raided-map" ; then debug "$partition: part of software raid array" continue fi # Skip partitions used as active swap if grep -q "^$mapped " "$OS_PROBER_TMP/swaps-map" ; then debug "$partition: is active swap" continue fi if ! grep -q "^$mapped " "$OS_PROBER_TMP/mounted-map" ; then for test in /usr/lib/os-probes/; do if [ -f "$test" ] && [ -x "$test" ]; then debug "running $test on $partition" if "$test" "$partition"; then debug "os detected by $test" break fi fi done else mpoint=$(grep "^$mapped " "$OS_PROBER_TMP/mounted-map" \| head -n1 \| cut -d " " -f 2) mpoint="$(unescape_mount "$mpoint")" if [ "$mpoint" != "/target/boot" ] && [ "$mpoint" != "/target" ] && [ "$mpoint" != "/" ]; then type=$(grep "^$mapped " "$OS_PROBER_TMP/mounted-map" \| head -n1 \| cut -d " " -f 3) for test in /usr/lib/os-probes/mounted/*; do if [ -f "$test" ] && [ -x "$test" ]; then debug "running $test on mounted $partition" if "$test" "$partition" "$mpoint" "$type"; then debug "os detected by $test" break fi fi done fi fi done

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