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Edit File: update-motd-fsck-at-reboot

#!/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