#!/bin/sh -e
if [ "$1" = "--private" -o "$1" = "-p" ]; then
	PRIVATE=true
	shift
else
	PRIVATE=false
fi

. "`dirname $0`"/common

TREE="`echo $1 |sed -e 's,\.git$,,'`"
[ -z "$TREE" ] && exit 1
B=`basename $TREE`
D=`dirname $TREE`

if $PRIVATE; then
	SERVER=ssh://$PRIVUSER@dev-private-review.linaro.org:29418/$TREE.git
	shift
else
	SERVER=ssh://$USER@android-review.linaro.org:29418/$TREE.git
fi

OK=false
if [ -d $SRC/$TREE ]; then
	cd $SRC/$TREE
	git pull
	git fetch --all
	if [ -n "$2" ]; then
		if git checkout $2 &>/dev/null; then
			OK=true
		elif echo $2 |grep -q refs/tags/; then
			if git checkout `basename $2`; then
				OK=true
			fi
		elif git checkout -b $2 origin/$2; then
			OK=true
		fi
		if ! $OK; then
			if git checkout `basename $2`; then
				OK=true
			fi
		fi
	fi
	exit 0
fi

mkdir -p $SRC/$D
cd $SRC/$D
git clone $SERVER
cd $B
[ -n "$EMAIL" ] && git config user.email $EMAIL
gitdir=$(git rev-parse --git-dir); scp -p -P 29418 $USER@android-review.linaro.org:hooks/commit-msg ${gitdir}/hooks/
git remote add aosp https://android-review.googlesource.com/$TREE.git
# No way to do this without hardcodes...
case $TREE in
platform/external/ffmpeg)
	git remote add upstream git://source.ffmpeg.org/ffmpeg.git
	;;
platform/external/x264)
	git remote add upstream git://git.videolan.org/x264.git
	;;
platform/external/busybox)
	git remote add upstream git://busybox.net/busybox.git
	;;
toolchain/binutils-current)
	git remote add upstream git://sourceware.org/git/binutils.git
	git remote add hjl git://git.kernel.org/pub/scm/linux/kernel/git/hjl/binutils.git
	;;
esac
git fetch aosp || git remote rm aosp
git fetch --all
if [ -n "$2" ]; then
	if echo $2 |grep -q refs/tags/; then
		if git checkout `basename $2`; then
			OK=true
		fi
	elif git checkout -b $2 origin/$2; then
		OK=true
	elif git checkout -b $2 origin/$2 2>&1 |grep -q "already exists"; then
		OK=true
	fi
fi
if ! $OK; then
	for i in $VERSIONS; do
		if git checkout -b $i origin/$i; then
			OK=true
			break
		elif git checkout -b $i origin/$i 2>&1 |grep -q "already exists"; then
			OK=true
			break
		fi
	done
fi
if ! $OK; then
	git checkout android-${ANDROIDVERSION}_r${ANDROIDREVISION}
fi