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systemd/nss-myhostname-config

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#!/bin/bash
# sed calls copied from fedora package
set -e
case "$1" in
--help)
echo "$0 [--enable|--disable]"
exit 0
;;
--enable)
sed -i.bak -e '
/^hosts:/ !b
/\<myhostname\>/ b
s/[[:blank:]]*$/ myhostname/
' /etc/nsswitch.conf
;;
--disable)
sed -i.bak -e '
/^hosts:/ !b
s/[[:blank:]]\+myhostname\>//
' /etc/nsswitch.conf
;;
"")
if grep -q "^hosts:.*\<myhostname\>" /etc/nsswitch.conf; then
echo "enabled"
else
echo "disabled"
fi
;;
*) echo "invalid argument $1"; exit 1 ;;
esac