~ubuntu-core-dev/update-notifier/ubuntu

#!/bin/sh

# Authors:

#   Mads Chr. Olesen <mads@mchro.dk>

#   Kees Cook <kees@ubuntu.com>

set -e

 

# poor mans force

if [ "$1" = "--force" ]; then

    NEEDS_FSCK_CHECK=yes

else

    if [ "$(id -u)" != 0 ] ; then

        exit

    fi

    NEED_FSCK_CHECK=no

fi

 

# check time when we did the last check

stamp="/var/lib/update-notifier/fsck-at-reboot"

if [ -e "$stamp" ]; then

    stampt=$(stat -c %Y $stamp)

else

    stampt=0

fi

 

# check time when we last booted

last_boot=$(date -d "now - $(awk '{print $1}' /proc/uptime) seconds" +%s)

 

now=$(date +%s)

if [ $(($stampt + 3600)) -lt $now ] || [ $stampt -gt $now ] \

   || [ $stampt -lt $last_boot ]

then

    #echo $stampt $now need update 

        NEEDS_FSCK_CHECK=yes

fi

 

# output something for update-motd

if [ -n "$NEEDS_FSCK_CHECK" ]; then

  {

    check_occur_any=

 

    ext_partitions=$(mount | awk '$5 ~ /^ext(2|3|4)$/ { print $1 }')

    for part in $ext_partitions; do

        dumpe2fs_out=$(dumpe2fs -h $part 2>/dev/null)

        mount_count=$(echo "$dumpe2fs_out" | grep "^Mount count:"|cut -d':' -f 2-)

        if [ -z "$mount_count" ]; then mount_count=0; fi

        max_mount_count=$(echo "$dumpe2fs_out" | grep "^Maximum mount count:"|cut -d':' -f 2-)

        if [ -z "$max_mount_count" ]; then max_mount_count=0; fi

        check_interval=$(echo "$dumpe2fs_out" | grep "^Check interval:" | cut -d':' -f 2- | cut -d'(' -f 1)

        if [ -z "$check_interval" ]; then check_interval=0; fi

        next_check_date=$(echo "$dumpe2fs_out" | grep "^Next check after:" | cut -d':' -f 2-)

        if [ -z "$next_check_interval" ]; then next_check_interval=0; fi

        next_check_tstamp=$(date -d "$next_check_date" +%s)

 

        #echo "next_check_date=\"$next_check_date\" next_check_tstamp=\"$next_check_tstamp\""

        #echo "part=\"$part\" mount_count=\"$mount_count\" / max=\"$max_mount_count\" "

 

        check_occur=

        # Check based on mount counts?

        if [ "$max_mount_count" -gt 0 -a \

             "$mount_count" -ge "$max_mount_count" ]; then

            check_occur=yes

        fi

        # Check based on time passed?

        if [ "$check_interval" -gt 0 -a \

             "$next_check_tstamp" -lt "$now" ]; then

            check_occur=yes

        fi

        if [ -n "$check_occur" ]; then

            check_occur_any=yes

            mountpoint=$(mount | grep "^$part" | cut -d ' ' -f 3)

            pass=$(grep -v '^#' /etc/fstab | tr -s ' ' '\t' | cut -s -f 2,6 | grep -w "$mountpoint" | cut -f 2)

            if [ "$pass" = "0" ]; then

                echo "*** $part should be checked for errors ***"

            else

                echo "*** $part will be checked for errors at next reboot ***"

            fi

        fi

    done

    if [ -n "$check_occur_any" ]; then

        echo ""

    fi

  } > $stamp

fi

 

# output what we have (either cached or newly generated)

cat $stamp