Print an access-token for an external auth provider. The access-token will be validated and sent to stdout with exit code 0. If a valid access-token cannot be obtained, the URL to authenticate will be sent to stdout with exit code 1 - Ensure that the user is authenticated with GitHub before cloning.: $ #!/usr/bin/env shOUTPUT=$(wirtual external-auth access-token github)if [ $? -eq 0 ]; then echo "Authenticated with GitHub"else echo "Please authenticate with GitHub:" echo $OUTPUTfi - Obtain an extra property of an access token for additional metadata.: $ wirtual external-auth access-token slack --extra "authed_user.id"