bootstrap for go1.5

golang15-bootstrap.sh

#!/bin/sh

go14src=https://storage.googleapis.com/golang/go1.4.2.src.tar.gz
go14fnm=$(basename ${go14src})

bootstrap() {
		cd /tmp
		wget ${go14src}
		tar zxf ${go14fnm}
		cd /tmp/go/src
		./make.bash
}

# Do we have a go at all?
test ! -z "$(which go 2>/dev/null)" && go=$(which go)
# And if so, is it 
(test -z "${go}" || test -z "$(${go} version|grep go1.4)") && bootstrap

cd ~

mkdir -p ~/.godev/$(uname -s)/$(uname -m)/gopath
cd ~/.godev/$(uname -s)/$(uname -m)
git clone https://github.com/golang/go.git goroot
cd goroot/src
env GOROOT_BOOTSTRAP=/tmp/go ./make.bash || exit 1

rm -rf /tmp/${go14fnm} /tmp/go

echo "You will want to add the following to your ~/.profile or ~/.bashrc or whatever."
echo "export PATH=\${HOME}/.godev/\$(uname -s)/\$(uname -m)/goroot/bin:\${PATH}"
echo "export GOROOT=\${HOME}/.godev/\$(uname -s)/\$(uname -m)/goroot"
echo "export GOPATH=\${HOME}/.godev/\$(uname -s)/\$(uname -m)/gopath"