postinst is in chemical-structures 2.2.dfsg.0-11.
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 64 65 66 67  | #! /bin/sh
# postinst script for chemical-structures
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
#
. /usr/share/debconf/confmodule
case "$1" in
    configure)
    # make a script executable
    chmod +x /usr/share/chemical-structures/convert.cgi
    # reconfigure the webserver if necessary
    if [ -e /usr/share/apache2/apache2-maintscript-helper ] ; then
        . /usr/share/apache2/apache2-maintscript-helper
        apache2_invoke enconf chemical-structures.conf
    elif  dpkg-query -f '${Version}'  -W 'apache2.2-common' > /dev/null 2>&1 ; then
        # if the configuration uses <IfVersion> 
	# uncomment the next line
        # a2enmod -q version
	f=/etc/apache2/conf.d/chemical-structures.conf
	if [ -f $f -a ! -L $f ]; then
	    rm $f # remove plain file if it exists
	fi
        [ -d /etc/apache2/conf.d/ ] && \
	  ln -sf ../conf-available/chemical-structures.conf \
	    /etc/apache2/conf.d/chemical-structures.conf
    fi
    db_get chemical-structures/restart-webserver
    if [ "$RET" = "true" ]; then
        if [ -x /usr/sbin/invoke-rc.d ]; then
            invoke-rc.d apache2 reload || true
        else
            /etc/init.d/apache2 reload || true
        fi
    fi
    ;;
    abort-upgrade|abort-remove|abort-deconfigure)
    ;;
    *)
        echo "postinst 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
 |