Govenv: A GOPATH activate maker just like a python virtual env.
Make sure you have downloaded the source code and build with this command.
go build govenv.go
Done! Just move the govenv binary file to your $PATH directory.
Now, after making a directory for your golang project, just type following command to create an activate script just like you've seen on the python virtual env.
govenv
Then place your source code in the src/ directory. Done!