exec

Documentation

Index

• func Exec(ctx context.Context, dir string, stm IOStreams, name string, arg ...string) error
• func ForkExec(ctx context.Context, dir string, name string, arg ...string) error
• func ForkExecKill(ctx context.Context, dir string, name string) error
• func ForkExecRestart(ctx context.Context, dir string, name string) error
• func IsRunning(ctx context.Context, dir string, name string) bool
• func LookPath(file string) (string, error)
• type IOStreams

Functions

func Exec

func Exec(ctx context.Context, dir string, stm IOStreams, name string, arg ...string) error

Exec executes the given command and returns the output.

func ForkExec

func ForkExec(ctx context.Context, dir string, name string, arg ...string) error

ForkExec forks a new process and execs the given command. The process will be terminated when the context is canceled.

func ForkExecKill

func ForkExecKill(ctx context.Context, dir string, name string) error

ForkExecKill kills the process if it is running.

func ForkExecRestart

func ForkExecRestart(ctx context.Context, dir string, name string) error

ForkExecRestart restarts the process if it is not running.

func IsRunning

func IsRunning(ctx context.Context, dir string, name string) bool

func LookPath

func LookPath(file string) (string, error)

LookPath is a wrapper around exec.LookPath.

Types

type IOStreams

type IOStreams struct {
	// In think, os.Stdin
	In io.Reader
	// Out think, os.Stdout
	Out io.Writer
	// ErrOut think, os.Stderr
	ErrOut io.Writer
}