#!/bin/bash
#
# Copyright (c) 2003 Vinai Kopp
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
# 
#
#
#
# trigger build of new exim-tls-mysql deb
# based on current exim-tls version on
# a buildhost, and download the .deb into
# the current directory.
#
#

PATH=/bin:/usr/bin:/usr/local/bin
export PATH

HOST=buildhost.example.com
USER=www_authenticate_user
PASS=www_authenticate_pass
TRIGGERURL=https://$HOST/path/to/exim-tls-mysql.php
BASEURL=https://$HOST/path/to/exim-tls-mysql
STATUSURL=$BASEURL/status
LOGURL=$BASEURL/log
RESURL=$BASEURL/res
DEBURL=
DEB=
OLDSTATUS=
STATUS=
BUILDLOG=/dev/null
VERBOSE=0

usage() {
  echo "Usage: $0 [-v] [-b logfile]"
  echo "-b   save the build process output to logfile"
  echo "-v   watch the build process output"
  exit 1
}

while [ -n "$1" ]; do
    if [ "-b" == "$1" ]; then
	shift
	if [ -z "$1" ]; then
	    echo "No valid buildlog specified" >&2
	    exit 1
	fi
	BUILDLOG="$1"
    elif [ "-v" == "$1" ]; then
	VERBOSE=$((VERBOSE +1))
    elif [ "-h" == "$1" ]; then
	usage
    fi
    shift
done

echo "buildhost: $HOST"

echo -n "pinging to check the host is alive... "
if ! ping -c1 $HOST > /dev/null 2>&1; then
    echo "failed"
    exit 1
fi
echo "ok"

echo "triggering build (please be patient, this may take some time!)"
if [ $VERBOSE -gt 0 ]; then
    echo
    curl --no-buffer -fu $USER:$PASS $TRIGGERURL 2>/dev/null | tee $BUILDLOG
else
    curl -sSf -u $USER:$PASS $TRIGGERURL > $BUILDLOG 2>&1 &
fi
echo

while [ 42 ]; do
    sleep 2
    STATUS=$(curl -sSf -u $USER:$PASS $STATUSURL)

    if [[ -z "$OLDSTATUS" || "$STATUS" != "$OLDSTATUS" ]]; then
	echo "build status: $STATUS";
	OLDSTATUS="$STATUS"
    fi
    if [[ "error" == "$STATUS" ]]; then
	echo -e "Error during build\n" >&2
	curl -fu $USER:$PASS $LOGURL >&2
	exit 1
    fi
    if [[ "ok" == "$STATUS" ]]; then
	break;
    fi
    sleep 13
done

echo "fetching the url of the built .deb"
DEB=$(curl -sSf -u $USER:$PASS $RESURL)
DEBURL="${BASEURL}/$DEB"

echo "downloading $DEBURL"
if ! curl --progress-bar -f -O -u $USER:$PASS $DEBURL; then
    exit $?
fi

echo "exim-tls-mysql package is $DEB"
exit 0