check hiddenfiles option for dir updates

Related #476

nav.go

@@ -9,6 +9,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"reflect"
 	"sort"
 	"strconv"
 	"strings"
@@ -112,6 +113,7 @@ type dir struct {
 	files       []*file   // displayed files in directory including or excluding hidden ones
 	allFiles    []*file   // all files in directory including hidden ones (same array as files)
 	sortType    sortType  // sort method and options from last sort
+	hiddenfiles []string  // hiddenfiles value from last sort
 	noPerm      bool      // whether lf has no permission to open the directory
 }
 
@@ -134,6 +136,7 @@ func newDir(path string) *dir {
 
 func (dir *dir) sort() {
 	dir.sortType = gOpts.sortType
+	dir.hiddenfiles = gOpts.hiddenfiles
 
 	dir.files = dir.allFiles
 
@@ -318,7 +321,7 @@ func (nav *nav) checkDir(dir *dir) {
 			nd.sort()
 			nav.dirChan <- nd
 		}()
-	case dir.sortType != gOpts.sortType:
+	case dir.sortType != gOpts.sortType || !reflect.DeepEqual(dir.hiddenfiles, gOpts.hiddenfiles):
 		dir.loading = true
 		go func() {
 			dir.sort()