rm -rf gfile
mkdir gfile
cd gfile
export GOPATH=`pwd`
git clone --depth 1 https://github.com/antonito/gfile $GOPATH/src/github.com/antonito/gfile
( cd $GOPATH/src/github.com/antonito/gfile
  go get -v -d
)
cd ..
tar -c -v -f- --exclude .git gfile | xz -9 >gfile-`date '+%Y%m%d'`.tar.xz
rm -rf gfile
