#! /bin/sh

set -e

# set the proxy based on the admin users gconf settings 
# 
set_apt_proxy_from_gconf() {
    # try SUDO_USER first
    if [ -n "$SUDO_USER" ]; then
        admin_user="$SUDO_USER"
    else
        admin_user=$(getent group admin|cut -d: -f4|cut -d, -f1)
    fi
    # test if the user actually exists, getent returns "+" for e.g.
    # LDAP
    if ! id -u "$admin_user" > /dev/null 2>&1; then
	return
    fi
    # get the settings from gconf
    if [ -n "$admin_user" ] && [ -x /usr/bin/sudo ] && [ -z "$http_proxy" ] && [ -x /usr/bin/gconftool ]; then
	use=$(sudo -u "$admin_user" gconftool --get /system/http_proxy/use_http_proxy 2>/dev/null)
	host=$(sudo -u "$admin_user" gconftool --get /system/http_proxy/host 2>/dev/null)
	port=$(sudo -u "$admin_user" gconftool --get /system/http_proxy/port 2>/dev/null)
	if [ "$use" = "true" ] && [ -n "$host" ] && [ -n "$port" ]; then
	    APT_CONF_PROXY=""
	    eval $(apt-config shell APT_CONF_PROXY Acquire::http::proxy)
	    if [ -z "$APT_CONF_PROXY" ]; then
	        echo "Acquire::http::proxy \"http://$host:$port/\";" >> /etc/apt/apt.conf
	    fi
	fi
    fi
}

# 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

case "$1" in
    configure)
        if ! test -f /etc/apt/trusted.gpg; then
                cp /usr/share/apt/ubuntu-archive.gpg /etc/apt/trusted.gpg
        fi

	# mvo: get gconf defaults once and write to a file, reason is
	#      that sudo no longer honors http_proxy
	# this can be removed after lucid is released
	if dpkg --compare-versions "$2" lt-nl "0.7.25.3ubuntu2"; then
	    set_apt_proxy_from_gconf || true
	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.

#DEBHELPER#

exit 0