weed shell: fs.cd change current directory

weed/shell/command_fs_cd.go

@@ -2,11 +2,7 @@ package shell
 
 import (
 	"context"
-	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/filer2"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"io"
-	"strings"
 )
 
 func init() {
@@ -35,59 +31,23 @@ func (c *commandFsCd) Help() string {
 
 func (c *commandFsCd) Do(args []string, commandEnv *commandEnv, writer io.Writer) (err error) {
 
-	input := ""
-	if len(args) > 0 {
-		input = args[len(args)-1]
-	}
+	input := findInputDirectory(args)
 
 	filerServer, filerPort, path, err := commandEnv.parseUrl(input)
 	if err != nil {
 		return err
 	}
 
-	dir, name := filer2.FullPath(path).DirAndName()
-	if strings.HasSuffix(path, "/") {
-		if path == "/" {
-			dir, name = "/", ""
-		} else {
-			dir, name = filer2.FullPath(path[0:len(path)-1]).DirAndName()
-		}
+	if path == "/" {
+		commandEnv.option.FilerHost = filerServer
+		commandEnv.option.FilerPort = filerPort
+		commandEnv.option.Directory = "/"
+		return nil
 	}
 
 	ctx := context.Background()
 
-	err = commandEnv.withFilerClient(ctx, filerServer, filerPort, func(client filer_pb.SeaweedFilerClient) error {
-
-		resp, listErr := client.ListEntries(ctx, &filer_pb.ListEntriesRequest{
-			Directory:          dir,
-			Prefix:             name,
-			StartFromFileName:  name,
-			InclusiveStartFrom: true,
-			Limit:              1,
-		})
-		if listErr != nil {
-			return listErr
-		}
-
-		if path == "" || path == "/" {
-			return nil
-		}
-
-		if len(resp.Entries) == 0 {
-			return fmt.Errorf("entry not found")
-		}
-
-		if resp.Entries[0].Name != name {
-			println("path", path, "dir", dir, "name", name, "found", resp.Entries[0].Name)
-			return fmt.Errorf("not a valid directory, found %s", resp.Entries[0].Name)
-		}
-
-		if !resp.Entries[0].IsDirectory {
-			return fmt.Errorf("not a directory")
-		}
-
-		return nil
-	})
+	err = commandEnv.checkDirectory(ctx, filerServer, filerPort, path)
 
 	if err == nil {
 		commandEnv.option.FilerHost = filerServer