fix: fix #3 for windows WSL when operate accross different file system

cmd/init.go

@@ -18,10 +18,9 @@ package cmd
 import (
 	"errors"
 	"fmt"
-	"io"
+	"github.com/let-sh/cli/utils"
 	"io/ioutil"
 	"os"
-	"path/filepath"
 	"strings"
 
 	"github.com/let-sh/cli/log"
@@ -81,7 +80,8 @@ e.g.:
 			return
 		}
 		// mv to current folder
-		err := moveDirectory(fmt.Sprintf("%s/%s", tempDir, projectType), fmt.Sprintf("%s/%s", currentDir, folderName))
+		err := utils.Move(fmt.Sprintf("%s/%s", tempDir, projectType), fmt.Sprintf("%s/%s", currentDir,
+			folderName))
 		if err != nil {
 			log.Error(errors.New("cannot init project to current folder: " + err.Error()))
 			//logrus.Debug("current project dir: ", pwd)
@@ -97,47 +97,6 @@ e.g.:
 	},
 }
 
-func moveDirectory(src, dst string) error {
-	err := os.MkdirAll(dst, 0755)
-	if err != nil {
-		return err
-	}
-	files, err := ioutil.ReadDir(src)
-	if err != nil {
-		return err
-	}
-	for _, file := range files {
-		srcfp := filepath.Join(src, file.Name())
-		dstfp := filepath.Join(dst, file.Name())
-		if file.IsDir() {
-			moveDirectory(srcfp, dstfp)
-		} else {
-			moveFile(srcfp, dstfp)
-		}
-	}
-	return nil
-}
-
-func moveFile(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()
-
-	_, err = io.Copy(out, in)
-	if err != nil {
-		return err
-	}
-	return out.Close()
-}
-
 func init() {
 	rootCmd.AddCommand(initCmd)
 

utils/files.go

@@ -1,7 +1,10 @@
 package utils
 
 import (
+	"io"
+	"io/ioutil"
 	"os"
+	"path/filepath"
 )
 
 func GetFilesSize(paths []string) (int64, error) {
@@ -24,3 +27,61 @@ func fileSize(path string) (int64, error) {
 
 	return fi.Size(), nil
 }
+
+func Move(src, dst string) error {
+	var err error
+	// This returns an *os.FileInfo type
+	fileInfo, err := os.Stat(src)
+	if err != nil {
+		return err
+	}
+
+	// IsDir is short for fileInfo.Mode().IsDir()
+	if fileInfo.IsDir() {
+		err = MoveDirectory(src, dst)
+	} else {
+		err = MoveFile(src, dst)
+	}
+	return err
+}
+
+func MoveDirectory(src, dst string) error {
+	err := os.MkdirAll(dst, 0755)
+	if err != nil {
+		return err
+	}
+	files, err := ioutil.ReadDir(src)
+	if err != nil {
+		return err
+	}
+	for _, file := range files {
+		srcfp := filepath.Join(src, file.Name())
+		dstfp := filepath.Join(dst, file.Name())
+		if file.IsDir() {
+			MoveDirectory(srcfp, dstfp)
+		} else {
+			MoveFile(srcfp, dstfp)
+		}
+	}
+	return nil
+}
+
+func MoveFile(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()
+
+	_, err = io.Copy(out, in)
+	if err != nil {
+		return err
+	}
+	return out.Close()
+}

utils/update/upgrade.go

@@ -8,6 +8,7 @@ import (
 	"github.com/let-sh/cli/info"
 	"github.com/let-sh/cli/log"
 	"github.com/let-sh/cli/requests"
+	"github.com/let-sh/cli/utils"
 	"github.com/sirupsen/logrus"
 	"github.com/vbauerster/mpb/v7"
 	"github.com/vbauerster/mpb/v7/decor"
@@ -101,11 +102,11 @@ func UpgradeCli(force bool, channel string) {
 		if runtime.GOOS == "windows" {
 			// handle process error
 			// go further: https://stackoverflow.com/questions/9162969/how-can-a-c-binary-replace-itself
-			err = os.Rename(path, path+".old")
-			err = os.Rename(filepath.Join(unzipedDir, binaryName), path)
+			utils.Move(path, path+".old")
+			utils.Move(filepath.Join(unzipedDir, binaryName), path)
 			os.RemoveAll(path + ".old")
 		} else {
-			err = os.Rename(filepath.Join(unzipedDir, binaryName), path)
+			err = utils.Move(filepath.Join(unzipedDir, binaryName), path)
 		}
 
 		if err != nil {

utils/update/upgrades_test.go

@@ -3,6 +3,7 @@ package update
 import (
 	"github.com/let-sh/cli/info"
 	"github.com/let-sh/cli/requests"
+	"github.com/let-sh/cli/utils"
 	"github.com/sirupsen/logrus"
 	"os"
 	"os/exec"
@@ -57,7 +58,7 @@ func TestUpgradeCli(t *testing.T) {
 		return
 	}
 
-	err = os.Rename(filepath.Join(tempDir, "lets"), path)
+	utils.MoveFile(filepath.Join(tempDir, "lets"), path)
 	if err != nil {
 		logrus.WithError(err).Debugln("get compressed file")
 		return