exec

type CommandExecutor interface {
	// LookPath searches for an executable named file in the directories
	// named by the PATH environment variable.
	LookPath(file string) (string, error)

	// Execute runs the command with the given name and arguments.
	// It waits for the command to complete and returns any error.
	Execute(name string, arg ...string) error
}

type ExecError struct {
	Err    error
	Output string
}

type MockCommandExecutor struct {
	// Commands records all commands that were executed
	Commands []string

	// LookPathFunc allows custom behavior for LookPath in tests
	LookPathFunc func(file string) (string, error)

	// ExecuteFunc allows custom behavior for Execute in tests
	ExecuteFunc func(name string, arg ...string) error
}

type RealCommandExecutor struct{}