bootstrap-go.sh

bootstrap-go.sh

#!/bin/sh

unset GOROOT
unset GOPATH

GOBASE=${HOME}/.govers/$(uname -s)/$(uname -m)
GO_SVER=${1:-"1.4.2"}

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

if test ! -d ${GOBASE}/${GO_SVER}; then
		mkdir -p ${GOBASE}/${GO_SVER}
		cd ${GOBASE}/${GO_SVER} && wget -c ${go14src} && tar zxf ${go14fnm}
		mv go goroot && cd ${GOBASE}/${GO_SVER}/goroot/src && ./make.bash
fi
		
if test ! -d ${GOBASE}/head && test ! -z "$(echo ${GO_SVER}|grep 1.4)"; then
		mkdir -p ${GOBASE}/head
		cd ${GOBASE}/head && git clone https://github.com/golang/go.git goroot
		GOBOOT=${GOBASE}/${GO_SVER}/goroot
		cd ${GOBASE}/head/goroot/src && env GOROOT_BOOTSTRAP=${GOBOOT} ./make.bash || exit 1
fi

echo "You will want to add the following to your ~/.(profile|bashrc|whatever)"
echo "assuming you have not already done so."
echo
echo "export GOBASE=\${HOME}/.govers/\$(uname -s)/\$(uname -m)"
echo "export BASEPATH=\${PATH}"
echo
cat <<EOF
gosel() {
  case "\${1}" in
    (select)
      if test -d \${GOBASE}/\${2}; then
        export GOROOT=\${GOBASE}/\${2}/goroot
        export GOPATH=\${GOBASE}/\${2}/gopath
        export PATH=\${GOROOT}/bin:\${GOPATH}/bin:\${BASEPATH}
        test ! -d \${GOPATH} && mkdir -p \${GOPATH}
      fi
      ;;
    (list) ls \${GOBASE}/ ;;
  esac
}
EOF