libmachine: move copy file function where it is used, in the driver

pkg/drivers/hyperv/copy.go

@@ -0,0 +1,33 @@
+package hyperv
+
+import (
+	"io"
+	"os"
+)
+
+func copyFile(src, dst string) error {
+	in, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+
+	defer in.Close()
+
+	out, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+
+	defer out.Close()
+
+	if _, err = io.Copy(out, in); err != nil {
+		return err
+	}
+
+	fi, err := os.Stat(src)
+	if err != nil {
+		return err
+	}
+
+	return os.Chmod(dst, fi.Mode())
+}

pkg/libmachine/mcnutils/utils_test.go → pkg/drivers/hyperv/copy_test.go

@@ -1,4 +1,4 @@
-package mcnutils
+package hyperv
 
 import (
 	"io/ioutil"
@@ -38,7 +38,7 @@ func TestCopyFile(t *testing.T) {
 
 	destFilePath := filepath.Join(os.TempDir(), destFi.Name())
 
-	if err := CopyFile(srcFilePath, destFilePath); err != nil {
+	if err := copyFile(srcFilePath, destFilePath); err != nil {
 		t.Fatal(err)
 	}
 

pkg/drivers/hyperv/hyperv.go

@@ -7,7 +7,6 @@ import (
 	"time"
 
 	log "github.com/code-ready/crc/pkg/crc/logging"
-	"github.com/code-ready/crc/pkg/libmachine/mcnutils"
 	"github.com/code-ready/machine/libmachine/drivers"
 	"github.com/code-ready/machine/libmachine/state"
 )
@@ -144,7 +143,7 @@ func (d *Driver) getDiskPath() string {
 }
 
 func (d *Driver) Create() error {
-	if err := mcnutils.CopyFile(d.ImageSourcePath, d.getDiskPath()); err != nil {
+	if err := copyFile(d.ImageSourcePath, d.getDiskPath()); err != nil {
 		return err
 	}
 

pkg/libmachine/mcnutils/utils.go

@@ -2,38 +2,9 @@ package mcnutils
 
 import (
 	"fmt"
-	"io"
-	"os"
 	"time"
 )
 
-func CopyFile(src, dst string) error {
-	in, err := os.Open(src)
-	if err != nil {
-		return err
-	}
-
-	defer in.Close()
-
-	out, err := os.Create(dst)
-	if err != nil {
-		return err
-	}
-
-	defer out.Close()
-
-	if _, err = io.Copy(out, in); err != nil {
-		return err
-	}
-
-	fi, err := os.Stat(src)
-	if err != nil {
-		return err
-	}
-
-	return os.Chmod(dst, fi.Mode())
-}
-
 func WaitForSpecificOrError(f func() (bool, error), maxAttempts int, waitInterval time.Duration) error {
 	for i := 0; i < maxAttempts; i++ {
 		stop, err := f()