func()

in cli/configure-docker.go [66:90]

• 18 lines of code
• 4 McCabe index (conditional complexity)

func (c *dockerConfigCmd) Execute(context.Context, *flag.FlagSet, ...interface{}) subcommands.ExitStatus {
	binaryName := filepath.Base(os.Args[0])
	if !strings.HasPrefix(binaryName, credHelperPrefix) {
		printErrorln("Binary name must be prefixed with '%s': %s", credHelperPrefix, binaryName)
		return subcommands.ExitFailure
	}

	// the Docker client can only use binaries on the $PATH
	if _, err := exec.LookPath(binaryName); err != nil {
		printErrorln("'%s' must exist on your PATH", binaryName)
		return subcommands.ExitFailure
	}

	dockerConfig, err := cliconfig.Load("")
	if err != nil {
		printErrorln("Unable to load docker config: %v", err)
		return subcommands.ExitFailure
	}

	// 'credsStore' and 'credHelpers' take the suffix of the credential helper
	// binary.
	credHelperSuffix := binaryName[len(credHelperPrefix):]

	return c.setConfig(dockerConfig, credHelperSuffix)
}