#!/bin/sh
#
#  This script installs OpenSSH upon the new system.  It must make sure
# that the server is not running before it exits - otherwise the temporary
# mounted directory will not be unmountable.
#
# Steve
# --
# http://www.steve.org.uk/


prefix=$1
dist=$2


#
#  Install a Debian package onto the new system.
#
function installDebianPackage
{
    package=$1

    DEBIAN_FRONTEND=noninteractive chroot ${prefix} /usr/bin/apt-get --yes --force-yes install ${package}

}

#
#  Sets up the installation of OpenSSH on a Debian GNU/Linux system.
#
function setupDebian
{
    case "${dist}" in
	sarge)
	    installDebianPackage ssh
	    ;;
	etch|sid)
	    installDebianPackage openssh-server
	    installDebianPackage openssh-client
	    ;;
    esac

    #
    #  Make sure sshd isn't running, this will cause our unmounting of the
    # disk image to fail..
    #
    chroot ${prefix} /etc/init.d/ssh stop
}



#
#  Sets up the installation of OpenSSH on a CentOS4 installation.
#
function setupCentOS4
{
    chroot ${prefix} /bin/mount /proc
    chroot ${prefix} /usr/bin/yum -y install openssh-server
    chroot ${prefix} /usr/bin/yum -y install openssh-server
    chroot ${prefix} /bin/umount /proc
}



#
#  Entry point to the script.
#
case "${dist}" in
    sarge|etch|sid)
        setupDebian
        ;;
    centos4)
	setupCentOS4
	;;
    *)
	echo "Unknown distribution '${dist}'.  Fixme";
	exit;
	;;
esac