preinst is in lighttpd 1.4.45-1ubuntu3.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | #!/bin/sh
# preinst script for lighttpd
set -e
# summary of how this script can be called:
#        * <new-preinst> `install'
#        * <new-preinst> `install' <old-version>
#        * <new-preinst> `upgrade' <old-version>
#        * <old-preinst> `abort-upgrade' <new-version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
case "$1" in
	install)
	;;
	upgrade)
	if [ "x$2" != "x" ]; then
		# We upgrade from Squeeze or older, remove alternative as spawn-fcgi is not provided anymore.
		# This should have been done since 1.4.26-1 but was accidentally forgotten
		if dpkg --compare-versions "$2" lt 1.4.28-4
		then
			update-alternatives --remove spawn-fcgi /usr/bin/spawn-fcgi.lighttpd || true
			update-alternatives --remove spawn-fcgi.1.gz /usr/share/man/man1/spawn-fcgi.lighttpd.1.gz || true
		fi
	fi
	;;
	abort-upgrade)
	;;
	*)
	echo "preinst called with unknown argument \`$1'" >&2
	exit 1
	;;
esac
# Automatically added by dh_installdeb/11.1.4ubuntu1
dpkg-maintscript-helper rm_conffile /etc/lighttpd/conf-available/10-access.conf 1.4.31-4 lighttpd -- "$@"
# End automatically added section
exit 0
 |