#!/bin/sh

set -e

ts=$(date +"%Y%m%d%H%M%S")

if [ "${#GOROOT}" -eq 0 ] ;then
  echo "ERROR: required GOROOT env is not set"
  exit 2
fi
if [ "${#1}" -eq 0 ] ;then
  echo "ERROR: need an argument"
  exit 2
fi

gr=${GOROOT}

export GOPATH="/tmp/go2dist-${ts}/"
go get ${1} || exit 2

mkdir -p $GOPATH/$GOROOT/src/pkg
mv $GOPATH/src/* $GOPATH/$GOROOT/src/pkg/
rm -rf $GOPATH/src
if [ -d ${GOPATH}/pkg ] ; then
  mv $GOPATH/pkg $GOPATH/$GOROOT/
fi
if [ -d ${GOPATH}/bin ] ; then
  mv $GOPATH/bin $GOPATH/$GOROOT/
  pushd $GOPATH >/dev/null
  mkdir -p usr/bin
  if [ "${GOROOT:0:1}" == "/" ] ; then
    GOROOT=${GOROOT:1}
  fi
  for file in $GOROOT/bin/* ; do
    ln -sf ${file} usr/bin/
  done
  popd >/dev/null
fi

echo $GOPATH


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