Synnefo » snf-image

#!/bin/bash -e

CONFFILE=/etc/default/snf-image-update-helper

update_helper_msg()

{

    echo "This package will not work until a working snf-image-helper images is"

    echo "installed under: \`/var/lib/snf-image/helper'. You can later download and"

    echo "install the snf-image-helper image using the command:"

    echo

    echo "    snf-image-update-helper"

    echo

}

create_conffile()

{

    cat > $1 <<EOF

###DEBCONF###

# the configuration of this file will be done by debconf as long as the

# first line of the file says '###DEBCONF###'

#

# you should use dpkg-reconfigure snf-image to configure this file and

# install the snf-image-helper image

#

# HELPER_URL: URL to use to download the snf-image-helper image

$(set | grep ^HELPER_URL=)

EOF

}

add_debconf_signature()

{

    TMPCONF=$(mktmep --tmpdir=/etc/default)

    mv "$1" "$TMPCONF"

    cat > "$1" <<EOF

###DEBCONF###

EOF

    cat "$TMPCONF" >> "$1"

    rm -f "$TMPCONF"

}

case "$1" in

   configure)

	. /usr/share/debconf/confmodule

	db_get snf-image/dlurl

	HELPER_URL="$RET"

        if [ -n "$HELPER_URL" ]; then

		if [ ! -e "$CONFFILE" ]; then

		    create_conffile "$CONFFILE"

        	elif head -1 "$CONFFILE" | grep -q '^###DEBCONF###' > /dev/null; then

		    create_conffile "$CONFFILE"

        	else

		    add_debconf_signature "$CONFFILE"

		fi

		snf-image-update-helper -y

	else

		update_helper_msg

	fi

	;;

    abort-upgrade|abort-remove|abort-deconfigure)

	exit 0

	;;

    *)

	echo "postinst called with unknown argument \`$1'" >&2

	exit 1

	;;

esac

#DEBHELPER#

exit 0