sync

Author: ddkwork

stream/cmd/command.go

@@ -38,16 +38,14 @@ func (s *Session) SetDir(dir string)   { s.dir = strings.TrimSpace(dir) }
 func (s *Session) SetLog(wr io.Writer) { s.logWriter = wr }
 func (s *Session) GetPid() <-chan int  { return s.pid }
 func (s *Session) run(ctx context.Context, command string) string {
-	var cmd *exec.Cmd
-	switch runtime.GOOS {
-	case "windows":
-		cmd = exec.Command("cmd", "/C", command)
-	case "linux", "darwin", "freebsd":
-		cmd = exec.Command("bash", "-c", command)
-	}
-	if cmd == nil {
-		return ""
+	fnInitCmd := func() *exec.Cmd {
+		if runtime.GOOS == "windows" {
+			return exec.Command("cmd", "/C", command)
+		}
+		return exec.Command("bash", "-c", command) //"linux", "darwin", "freebsd":
 	}
+	cmd := fnInitCmd()
+
 	cmd.Dir = s.dir
 	mylog.Warning("go-command", cmd.String())
 	outputErr := &bytes.Buffer{}