#!/bin/sh
# svn2git comes from: http://gitorious.org/svn2git/svn2git (devel/svn2git)
# Do not remove log-area51 as it is used for syncing

AREA51=${AREA51:-https://area51.pcbsd.org/}
SVNSYNC=${SVNSYNC:-$HOME/.area51/area51-mirror}

BASE=`dirname $0`

mirror() {
	# Mirror area51
	if [ ! -d ${SVNSYNC} ]
	then
		mkdir ${SVNSYNC}
		svnsync file://${SVNSYNC} ${AREA51}
	fi
	if ! svnsync sync file://${SVNSYNC}
	then
		echo "Failed to mirror ${AREA51}"
		exit 2
	fi

	# Convert to git
	if ! svn2git --identity-map=$BASE/authors.txt --rules=$BASE/rules.txt --stats ${SVNSYNC} --max-rev 7000
	then
		echo "Failed to export to git"
		exit 1
	fi
}

sync() {
	OLDREV=`svnsync info file://${SVNSYNC} | tail -n 1 | cut -f 4 -d ' '`

	if ! svnsync --username=DragonSA sync file://${SVNSYNC}
        then
		echo "Failed to synchronise ${AREA51}"
                exit 2
        fi

	NEWREV=`svnsync info file://${SVNSYNC} | tail -n 1 | cut -f 4 -d ' '`

	if [ $NEWREV != $OLDREV ]
	then
		if ! svn2git --resume-from=$(($OLDREV + 1)) --identity-map=$BASE/authors.txt --rules=$BASE/rules.txt --stats ${SVNSYNC}
		then
			echo "Failed to export to git"
			exit 1
		fi
	fi
}

if [ -d ${SVNSYNC} -a -d area51 ]
then
  sync
else
  mirror
fi