#!/bin/bash
#
# $Id: websync,v 1.2 2007/03/20 21:22:09 mmcgrath Exp $
#

## based on script from aja
## modified by tfox for rhl.redhat.com
## commented out qa since we don't have a qa server

#
# Tunables
#
MAILTO="mmcgrath@redhat.com"
LOCKFILE=/var/tmp/websync.lock
RSYNCUSER="rhlweb"
RSYNCPASS="haberdashery"
CVSHOST="cvs.devel.redhat.com"
CVSPATH="rhlweb"
DESTDIR="/var/www/"

#
# Defaults
#
LINKS=""
ACTION=""
DRY=""
TEST=""
VERBOSE=""
EXCLUDES="html/test.php \
          html/projects/config-tools/template.php \
          html/projects/config-tools/redhat-template.todo \
          scripts/ \
          config/ \
          scripts/ \
          template-mockup/" 
EXCLUDES_LIST=""

ARGS="$*"

usage() {
    echo "options:"
    echo "	--help		This help screen"
    echo "	--dry-run       Don't actually rsync any files - test run only"
    echo "	--test          Don't actually run rsync, just echo the command line"
    echo "	--verbose       Show progress numbers during rsyncs"
    echo "	--live          Pull from the LIVE checkout repository"
#    echo "	--qa            Pull from the QA checkout repository"
    echo
}

#
# Process the command line
#
while [ -n "$1" ] ; do
case $1 in
    --dry*)
	DRY="--dry-run"
	shift
	;;
    --test)
	TEST="yes"
	MAILTO="`whoami`@redhat.com"
	LOCKFILE=/tmp/websync.lock
	shift
	;;
    --verbose)
	VERBOSE="--progress --verbose"
	shift
	;;
    --live)
	shift
	;;
#    --qa)
#	CVSPATH="webqa/"
#	shift
#	;;
    --help)
	usage
	exit 0
	;;
esac
done

#
# Sanity check things before we kick off the rsync
#
if [ -z ${CVSPATH} ] ; then
	echo "Environment not specified, bailing out!"
	exit -1
fi

if [ ! -d ${DESTDIR} ] ; then
	echo "Destination ${DESTDIR} does not exit, bailing out!"
	exit -1
fi

if [ ! -w ${DESTDIR} ] ; then
	echo "Destination ${DESTDIR} is not writable, bailing out!"
	exit -1
fi

#
# Lock the system so that we know not to do multiple websyncs
#
if [ -f $LOCKFILE ]; then
    echo "Unable to websync. There appears to be an websync running as:"
    cat $LOCKFILE
    exit 3
else
    echo "WEB sync run on: `date`" > $LOCKFILE
    if [ $? != 0 ] ; then
	echo "Unable to create $LOCKFILE, exiting."
	exit 6
    fi
    echo "tree: $DIR" >> $LOCKFILE
fi

# make sure not to do links on dry run
if [ -n "$DRY" ] ; then
    LINKS=no
fi

#
# Build the --excludes list for rsync
#
for excl in $EXCLUDES ; do
    EXCLUDES_LIST="$EXCLUDES_LIST --exclude $excl"
done

#
# Build the rsync command to run
#
RSYNC_EXCL="--exclude .snapshot --exclude .nfs* $EXCLUDES_LIST"
RSYNC_OPTS="--delete --devices --hard-links --links \
	    --perms --owner --group --recursive --times"
if [ -z "$TEST" ] ; then
	RSYNC="rsync $RSYNC_OPTS $DRY $VERBOSE $RSYNC_EXCL $RSYNC_DRY"
else
	RSYNC="echo rsync $RSYNC_OPTS $DRY $VERBOSE $RSYNC_EXCL $RSYNC_DRY"
fi

#
# sync in full from arg1 to arg2
#

if [ -z "$TEST" ] ; then
	RSYNC_PASSWORD=${RSYNCPASS} $RSYNC rsync://${RSYNCUSER}@${CVSHOST}/${CVSPATH} ${DESTDIR}
else
	echo $RSYNC rsync://${RSYNCUSER}@${CVSHOST}/${CVSPATH}/ ${DESTDIR}
fi

if [ -z "$MAILTO" ] ; then
    # nothing else to do
    rm -f $LOCKFILE
    exit 0
fi

rm -f $LOCKFILE