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#!/bin/sh
set -e
# This code was taken from libnss-myhostname
# try to insert mymachines entries to the "hosts" line in /etc/nsswitch.conf to
# automatically enable libnss-mymachines support; do not change the
# configuration if the "hosts" line already references some mymachines lookups
insert_nss_entry() {
echo "Checking NSS setup..."
# abort if /etc/nsswitch.conf does not exist
if ! [ -e /etc/nsswitch.conf ]; then
echo "Could not find /etc/nsswitch.conf."
return
fi
perl -i -pe '
sub insert {
my $line = shift;
# this also splits on tab
my @bits=split(" ", $line);
# do not break configuration if the "hosts" line already references
# mymachines
if (grep { $_ eq "mymachines"} @bits) {
return $line;
}
# add mymachines at the end
return $line . " mymachines";
}
s/^(hosts:\s+)(.*)/$1.insert($2)/e;
' /etc/nsswitch.conf
}
if [ "$1" = configure ] && [ -z "$2" ]; then
echo "First installation detected..."
# first install: setup the recommended configuration (unless
# nsswitch.conf already contains mymachines entries)
insert_nss_entry
fi
#DEBHELPER#
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