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-rw-r--r--debian/libnss-mymachines.postinst40
1 files changed, 40 insertions, 0 deletions
diff --git a/debian/libnss-mymachines.postinst b/debian/libnss-mymachines.postinst
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+++ b/debian/libnss-mymachines.postinst
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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#