fix directory lookup nil

weed/shell/command_fs_cat.go

@@ -56,6 +56,9 @@ func (c *commandFsCat) Do(args []string, commandEnv *CommandEnv, writer io.Write
 		if err != nil {
 			return err
 		}
+		if respLookupEntry.Entry == nil {
+			return fmt.Errorf("file not found: %s", path)
+		}
 
 		return filer2.StreamContent(commandEnv.MasterClient, writer, respLookupEntry.Entry.Chunks, 0, math.MaxInt32)
 

weed/shell/command_fs_meta_cat.go

@@ -55,6 +55,9 @@ func (c *commandFsMetaCat) Do(args []string, commandEnv *CommandEnv, writer io.W
 		if err != nil {
 			return err
 		}
+		if respLookupEntry.Entry == nil {
+			return fmt.Errorf("file not found: %s", path)
+		}
 
 		m := jsonpb.Marshaler{
 			EmitDefaults: true,

weed/shell/command_fs_mv.go

@@ -65,7 +65,7 @@ func (c *commandFsMv) Do(args []string, commandEnv *CommandEnv, writer io.Writer
 		var targetDir, targetName string
 
 		// moving a file or folder
-		if err == nil && respDestinationLookupEntry.Entry.IsDirectory {
+		if err == nil && respDestinationLookupEntry.Entry!= nil && respDestinationLookupEntry.Entry.IsDirectory {
 			// to a directory
 			targetDir = filepath.ToSlash(filepath.Join(destinationDir, destinationName))
 			targetName = sourceName