Merge pull request #66 from 2manymws/revert-64-rm-empty-dir

Revert "Remove directories recursively when it is zero cache files."

diskcache.go

@@ -532,10 +532,8 @@ func (c *DiskCache) removeCache(ci *cacheItem) {
 	defer func() {
 		c.d.remove(ci.key)
 	}()
-	_ = os.Remove(ci.pathkey + reqCacheSuffix)         //nostyle:handlerrors
-	_ = os.Remove(ci.pathkey + resCacheSuffix)         //nostyle:handlerrors
-	_ = c.recursiveRemoveDir(filepath.Dir(ci.pathkey)) //nostyle:handlerrors
-
+	_ = os.Remove(ci.pathkey + reqCacheSuffix) //nostyle:handlerrors
+	_ = os.Remove(ci.pathkey + resCacheSuffix) //nostyle:handlerrors
 	c.mu.Lock()
 	defer c.mu.Unlock()
 	if c.totalBytes < ci.bytes {
@@ -545,33 +543,6 @@ func (c *DiskCache) removeCache(ci *cacheItem) {
 	}
 }
 
-func (c *DiskCache) recursiveRemoveDir(dir string) error {
-	if c.cacheRoot == dir {
-		return nil
-	}
-	entries, err := os.ReadDir(dir)
-	if err != nil {
-		return err
-	}
-	found := false
-	for _, e := range entries {
-		if e.IsDir() {
-			continue
-		}
-		if strings.HasSuffix(e.Name(), reqCacheSuffix) || strings.HasSuffix(e.Name(), resCacheSuffix) {
-			found = true
-			break
-		}
-	}
-	if found {
-		return nil
-	}
-	if err := os.RemoveAll(dir); err != nil {
-		return err
-	}
-	return c.recursiveRemoveDir(filepath.Dir(dir))
-}
-
 func isWritable(dir string) (bool, error) {
 	const tmpFile = "tmpfile"
 	file, err := os.CreateTemp(dir, tmpFile)