preinst is in squid3 3.5.27-1ubuntu1.
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 | #! /bin/sh
set -e
#
# If the squid3 package was being used previously...
#
if test -d /etc/squid3 ; then
if test ! -d /etc/squid; then
mkdir /etc/squid
fi
#
# Remove obsolete MSNT helper config
#
dpkg-maintscript-helper rm_conffile \
/etc/squid3/msntauth.conf 3.5.4-1~ squid3 -- "$@"
#
# Move old squid3 config files into position
#
dpkg-maintscript-helper mv_conffile \
/etc/squid3/squid.conf /etc/squid/squid.conf 3.5.4-1~ squid3 -- "$@"
dpkg-maintscript-helper mv_conffile \
/etc/squid3/errorpage.css /etc/squid/errorpage.css 3.5.4-1~ squid3 -- "$@"
fi
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
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