show symlink destination (#374)

Co-authored-by: wedens <kirill.wedens@gmail.com>

nav.go

@@ -28,6 +28,7 @@ const (
 type file struct {
 	os.FileInfo
 	linkState  linkState
+	linkTarget string
 	path       string
 	dirCount   int
 	accessTime time.Time
@@ -56,6 +57,7 @@ func readdir(path string) ([]*file, error) {
 		}
 
 		var linkState linkState
+		var linkTarget string
 
 		if lstat.Mode()&os.ModeSymlink != 0 {
 			stat, err := os.Stat(fpath)
@@ -65,6 +67,10 @@ func readdir(path string) ([]*file, error) {
 			} else {
 				linkState = broken
 			}
+			linkTarget, err = os.Readlink(fpath)
+			if err != nil {
+				return files, err
+			}
 		}
 
 		ts := times.Get(lstat)
@@ -85,6 +91,7 @@ func readdir(path string) ([]*file, error) {
 		files = append(files, &file{
 			FileInfo:   lstat,
 			linkState:  linkState,
+			linkTarget: linkTarget,
 			path:       fpath,
 			dirCount:   -1,
 			accessTime: at,

ui.go

@@ -559,7 +559,11 @@ func (ui *ui) loadFileInfo(nav *nav) {
 		return
 	}
 
-	ui.echof("%v %4s %v", curr.Mode(), humanize(curr.Size()), curr.ModTime().Format(gOpts.timefmt))
+	var linkTarget string
+	if curr.linkTarget != "" {
+		linkTarget = " -> " + curr.linkTarget
+	}
+	ui.echof("%v %4s %v%s", curr.Mode(), humanize(curr.Size()), curr.ModTime().Format(gOpts.timefmt), linkTarget)
 }
 
 func (ui *ui) drawPromptLine(nav *nav) {