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Diffstat (limited to '')
-rw-r--r-- | debian/libnss-mymachines.postinst | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/debian/libnss-mymachines.postinst b/debian/libnss-mymachines.postinst new file mode 100644 index 0000000..165a80a --- /dev/null +++ b/debian/libnss-mymachines.postinst @@ -0,0 +1,41 @@ +#!/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# |