command

Documentation

Index

• type Option
  • func Stderr(writer io.Writer) Option
  • func Stdin(r io.Reader) Option
  • func Stdout(writer io.Writer) Option
• type Service
  • func New() Service
  • func (s Service) Run(name string, args []string, options ...Option) error

Types

type Option

type Option func(cmd *exec.Cmd)

Option is the function signature for customizing the internal *exec.Cmd.

func Stderr

func Stderr(writer io.Writer) Option

Stderr sets the internal *exec.Cmd's Stderr field.

func Stdin

func Stdin(r io.Reader) Option

Stdin sets the internal *exec.Cmd's Stdin field.

func Stdout

func Stdout(writer io.Writer) Option

Stdout sets the internal *exec.Cmd's Stdout field.

type Service

type Service struct{}

Service exists for mockability.

func New

func New() Service

New returns a Service.

func (Service) Run

func (s Service) Run(name string, args []string, options ...Option) error

Run runs the input command with input args with Stdout and Stderr defaulted to os.Stderr. Input options will override these defaults.