From 8807c327d1c611633300f426c3ccd139f220dbc4 Mon Sep 17 00:00:00 2001
From: astaxie <xiemengjun@gmail.com>
Date: Sat, 29 Jun 2013 14:39:02 +0800
Subject: [PATCH] fix log delete

---
 log.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/log.go b/log.go
index f46b9343..ef3bc958 100644
--- a/log.go
+++ b/log.go
@@ -202,7 +202,9 @@ func (w *FileLogWriter) deleteOldLog() {
 	dir := path.Dir(w.filename)
 	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
 		if !info.IsDir() && info.ModTime().Unix() < (time.Now().Unix()-60*60*24*w.maxdays) {
-			os.Remove(path)
+			if strings.HasPrefix(filepath.Base(path), filepath.Base(w.filename)) {
+				os.Remove(path)
+			}
 		}
 		return nil
 	})