File: //var/lib/dpkg/info/tcsh.preinst
#! /bin/bash
# preinst script for tcsh
#
# see: dh_installdeb(1)
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)
# remove old diversions
dpkg-divert --package csh --rename --remove /bin/csh \
> /dev/null || true
dpkg-divert --package csh --rename --remove /usr/man/man1/csh.1 \
> /dev/null || true
dpkg-divert --package tcsh --rename --remove /bin/csh \
> /dev/null || true
dpkg-divert --package tcsh --rename --remove /usr/man/man1/csh.1 \
> /dev/null || true
# remove old alternatives
update-alternatives --remove csh /usr/bin/tcsh || true
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0