#!/bin/sh

if [ -z "$GOPATH" ]; then
	echo "GOPATH not set, you must have go configured properly to install ipfs"
	exit 1
fi

if ! type -f realpath > /dev/null; then
	echo "program 'realpath' not found, it is required for this check"
	exit 1
fi

PWD=$(pwd)
REALPWD=$(realpath "$PWD")
EXPECTED="$GOPATH/src/github.com/ipfs/go-ipfs"

if [ "$REALPWD" != "$EXPECTED" ]; then
	echo "go-ipfs must be built from within your \$GOPATH directory."
	exit 1
fi