osadapter

type Command interface {
	OSExecCommand
	GetPath() string
	GetDir() string
	GetArgs() []string
	String() string
}

type File interface {
	Chdir() error
	Chmod(mode os.FileMode) error
	Chown(uid, gid int) error
	Close() error
	Fd() uintptr
	Name() string
	Read(b []byte) (n int, err error)
	ReadAt(b []byte, off int64) (n int, err error)
	Readdir(n int) ([]os.FileInfo, error)
	Readdirnames(n int) (names []string, err error)
	Seek(offset int64, whence int) (ret int64, err error)
	Stat() (os.FileInfo, error)
	Sync() error
	Truncate(size int64) error
	Write(b []byte) (n int, err error)
	WriteAt(b []byte, off int64) (n int, err error)
	WriteString(s string) (n int, err error)
}

type OS interface {
	Command(cmd string, args ...string) Command
	LookPath(file string) (string, error)
	TempFile(dir, prefix string) (f File, err error)
	Copy(dst io.Writer, src io.Reader) (written int64, err error)
	Walk(path string, f filepath.WalkFunc) error
	Getwd() (string, error)
}

type OSExecCommand interface {
	CombinedOutput() ([]byte, error)
	Output() ([]byte, error)
	Run() error
	Start() error
	StderrPipe() (io.ReadCloser, error)
	StdinPipe() (io.WriteCloser, error)
	StdoutPipe() (io.ReadCloser, error)
	Wait() error
}