From 878dfa1bde9614f3f41a4430d272f4fbf3509c59 Mon Sep 17 00:00:00 2001
From: tw93 <tw93@qq.com>
Date: Tue, 10 Feb 2026 16:33:10 +0800
Subject: [PATCH] refactor(analyze): remove unused volume mount helper

---
 cmd/analyze/analyze_test.go | 23 -----------------------
 cmd/analyze/main.go         | 28 ----------------------------
 2 files changed, 51 deletions(-)

diff --git a/cmd/analyze/analyze_test.go b/cmd/analyze/analyze_test.go
index 25f3636..f8a4b84 100644
--- a/cmd/analyze/analyze_test.go
+++ b/cmd/analyze/analyze_test.go
@@ -329,29 +329,6 @@ func TestIsCleanableDir(t *testing.T) {
 	}
 }
 
-func TestHasUsefulVolumeMounts(t *testing.T) {
-	root := t.TempDir()
-	if hasUsefulVolumeMounts(root) {
-		t.Fatalf("empty directory should not report useful mounts")
-	}
-
-	hidden := filepath.Join(root, ".hidden")
-	if err := os.Mkdir(hidden, 0o755); err != nil {
-		t.Fatalf("create hidden dir: %v", err)
-	}
-	if hasUsefulVolumeMounts(root) {
-		t.Fatalf("hidden entries should not count as useful mounts")
-	}
-
-	mount := filepath.Join(root, "ExternalDrive")
-	if err := os.Mkdir(mount, 0o755); err != nil {
-		t.Fatalf("create mount dir: %v", err)
-	}
-	if !hasUsefulVolumeMounts(root) {
-		t.Fatalf("expected useful mount when real directory exists")
-	}
-}
-
 func TestLoadCacheExpiresWhenDirectoryChanges(t *testing.T) {
 	home := t.TempDir()
 	t.Setenv("HOME", home)
diff --git a/cmd/analyze/main.go b/cmd/analyze/main.go
index 5b92437..c8889b8 100644
--- a/cmd/analyze/main.go
+++ b/cmd/analyze/main.go
@@ -5,13 +5,11 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/fs"
 	"os"
 	"os/exec"
 	"path/filepath"
 	"slices"
 	"sort"
-	"strings"
 	"sync/atomic"
 	"time"
 
@@ -236,32 +234,6 @@ func createOverviewEntries() []dirEntry {
 	return entries
 }
 
-func hasUsefulVolumeMounts(path string) bool {
-	entries, err := os.ReadDir(path)
-	if err != nil {
-		return false
-	}
-
-	for _, entry := range entries {
-		name := entry.Name()
-		if strings.HasPrefix(name, ".") {
-			continue
-		}
-
-		info, err := os.Lstat(filepath.Join(path, name))
-		if err != nil {
-			continue
-		}
-		if info.Mode()&fs.ModeSymlink != 0 {
-			continue // Ignore the synthetic MacintoshHD link
-		}
-		if info.IsDir() {
-			return true
-		}
-	}
-	return false
-}
-
 func (m *model) hydrateOverviewEntries() {
 	m.entries = createOverviewEntries()
 	if m.overviewSizeCache == nil {