direnv
Shell extension to load and unload environment variables depending on the current directory.
TLDR
Grant direnv permission to load the specified .envrc
$ direnv allow
Revoke the authorization of a given .envrc
$ direnv deny
Edit the .envrc file in the default text editor and reload the environment on exit
$ direnv allow
Trigger a reload of the environment
$ direnv reload
Print some debug status information
$ direnv status