preinst is in squid-deb-proxy 0.8.6.
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 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | #!/bin/sh
# preinst script for squid-deb-proxy
#
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
# for lucid -> P upgrades we can't use dpkg-mainthelper
rm_conffile() {
local PKGNAME="$1"
local CONFFILE="$2"
[ -e "$CONFFILE" ] || return 0
local md5sum="$(md5sum $CONFFILE | sed -e 's/ .*//')"
local old_md5sum="$(dpkg-query -W -f='${Conffiles}' $PKGNAME | \
sed -n -e "\' $CONFFILE ' { s/ obsolete$//; s/.* //; p }")"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you."
echo "Saving as $CONFFILE.dpkg-bak ..."
mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
else
echo "Removing obsolete conffile $CONFFILE ..."
rm -f "$CONFFILE"
fi
}
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" le "0.4.1"; then
rm_conffile squid-deb-proxy /etc/init/squid-deb-proxy-avahi.conf
fi
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# Automatically added by dh_installinit
if [ "$1" = install ] || [ "$1" = upgrade ]; then
if [ -e "/etc/init.d/squid-deb-proxy" ] && [ -L "/etc/init.d/squid-deb-proxy" ] \
&& [ $(readlink -f "/etc/init.d/squid-deb-proxy") = /lib/init/upstart-job ]
then
rm -f "/etc/init.d/squid-deb-proxy"
fi
fi
# End automatically added section
exit 0
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