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Current Path : /usr/lib/update-notifier/
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Current File : //usr/lib/update-notifier/update-motd-updates-available

#!/bin/sh -e
#
# helper for update-motd


# poor mans force
if [ "$1" = "--force" ]; then
    NEED_UPDATE_CHECK=yes
fi

# check time when we did the last udpate check
stamp="/var/lib/update-notifier/updates-available"
if [ -e "$stamp" ]; then
    stampt=$(stat -c %Y $stamp)
else
    stampt=0
fi

# get list dir
StateDir="/var/lib/apt/"
ListDir="lists/"
eval $(apt-config shell StateDir Dir::State)
eval $(apt-config shell ListDir Dir::State::Lists)

# check if we have a list file that needs checking
d="/$StateDir/$ListDir"
for f in $d/*; do
    # ignore dirs
    if [ ! -f $f ]; then
	continue
    fi
    t=$(stat -c %Y $f)
    if [ $t -gt $stampt ]; then
	NEED_UPDATE_CHECK=yes
    fi
done

# check if sources.list was modified since last check
EtcDir="etc/apt/"
SourceList="sources.list"
eval $(apt-config shell EtcDir Dir::Etc)
eval $(apt-config shell SourceList Dir::Etc::sourcelist)
if [ $(stat -c %Y "/$EtcDir/$SourceList") -gt $stampt ]; then
    NEED_UPDATE_CHECK=yes
fi

# output something for update-motd
if [ -n "$NEED_UPDATE_CHECK" ]; then
    echo "" > $stamp
    /usr/lib/update-notifier/apt-check --human-readable >> $stamp
    echo "" >> $stamp
fi

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