use path.join instead of filepath.join for ssh copy

pkg/minikube/bootstrapper/ssh_runner.go

@@ -19,7 +19,9 @@ package bootstrapper
 import (
 	"fmt"
 	"io"
-	"path/filepath"
+	"path"
+	goruntime "runtime"
+	"strings"
 	"sync"
 
 	"github.com/golang/glog"
@@ -81,7 +83,7 @@ func (s *SSHRunner) CombinedOutput(cmd string) (string, error) {
 
 // Copy copies a file to the remote over SSH.
 func (s *SSHRunner) Copy(f assets.CopyableFile) error {
-	deleteCmd := fmt.Sprintf("sudo rm -f %s", filepath.Join(f.GetTargetDir(), f.GetTargetName()))
+	deleteCmd := fmt.Sprintf("sudo rm -f %s", path.Join(f.GetTargetDir(), f.GetTargetName()))
 	mkdirCmd := fmt.Sprintf("sudo mkdir -p %s", f.GetTargetDir())
 	for _, cmd := range []string{deleteCmd, mkdirCmd} {
 		if err := s.Run(cmd); err != nil {
@@ -111,7 +113,11 @@ func (s *SSHRunner) Copy(f assets.CopyableFile) error {
 		fmt.Fprint(w, "\x00")
 	}()
 
-	scpcmd := fmt.Sprintf("sudo scp -t %s", f.GetTargetDir())
+	targetDir := f.GetTargetDir()
+	if goruntime.GOOS == "windows" {
+		targetDir = strings.Replace(f.GetTargetDir(), "\\", "/", -1)
+	}
+	scpcmd := fmt.Sprintf("sudo scp -t %s", targetDir)
 	if err := sess.Run(scpcmd); err != nil {
 		return errors.Wrapf(err, "Error running scp command: %s", scpcmd)
 	}