#! /bin/sh

# git-svn-deepclone
# Copyright (c) 2008 Tejas Dinkar <tejas@gja.in>
# This file is a part of the KDE project (http://www.kde.org)

# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with this library; see the file COPYING.LIB.  If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.

SVNREPO="$1"
FOLDER="$2"
DEEPCLONE_LOG=".git/svn/git-svn/deepclone.log"
EXCLUDE=".git/info/exclude"
NULL="/dev/null"

function main()
{
	echo "Fetching Repo $SVNREPO"

	# Uncomment the if and fi if you want to ignore a folder (internet connection lost)
	#if [ "$FOLDER" != "kdesupport" ]; then

	clone_base

	#fi
	fetch_external
}

if [ "$SVNREPO" = "" ]; then
	echo "Usage $0 SVNREPO <folder>";
	exit
fi

if [ "$FOLDER" = "" ]; then
	FOLDER=`echo $SVNREPO | sed 's,.*/,,'`
fi

function get_latest_revision()
{
	svn log -l 1 $SVNREPO | grep "^r" | xargs echo | cut -d " " -f 1 | sed 's/r//'
}

function clone_base()
{

	revision=`get_latest_revision`

	if [ "$revision" = "" ]; then
		echo "Unable to Get Revision"
		exit
	fi

	echo "Getting Revision $revision of $SVNREPO"

	git svn clone "$SVNREPO" "$FOLDER" -r $revision
}

function fetch_external()
{
	pushd "$FOLDER" > $NULL

	cat .git/svn/git-svn/unhandled.log  | sed 's/%20/ /' | sed 's/%0A//' | grep svn:external | sed 's/svn:externals//' | tr -s " " | sed 's/ +dir_prop: //' > $DEEPCLONE_LOG

	echo -e "#Lines Below This Added By $0\n" >> $EXCLUDE

	exec 3<$DEEPCLONE_LOG
	while read -u 3 path folder repo; do
		if [ "$repo" = "" ]; then
			continue
		fi
		pushd "$path" > $NULL
		$0 "$repo" "$folder"
		popd > $NULL
		echo "/$path/$folder" | sed 's,/./,/,g' >> $EXCLUDE
	done

	popd > $NULL
}

main