From 7463a4bbcd0ace5790125f2d3f01eb48abaca985 Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Fri, 6 Dec 2019 16:30:35 +0300
Subject: [PATCH] Sync directories renaming

---
 gocheese.go |  8 ++++++++
 tmp.go      | 18 +++++++++++++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/gocheese.go b/gocheese.go
index 8a4a6e5..75a7c1c 100644
--- a/gocheese.go
+++ b/gocheese.go
@@ -202,6 +202,10 @@ func refreshDir(
 				http.Error(w, err.Error(), http.StatusInternalServerError)
 				return false
 			}
+			if err = DirSync(dirPath); err != nil {
+				http.Error(w, err.Error(), http.StatusInternalServerError)
+				return false
+			}
 		}
 		if filename == filenameGet || gpgUpdate {
 			if _, err = os.Stat(path); err == nil {
@@ -426,6 +430,10 @@ func serveUpload(w http.ResponseWriter, r *http.Request) {
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
+		if err = DirSync(dirPath); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
 		if err = WriteFileSync(dirPath, path+SHA256Ext, digest); err != nil {
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
diff --git a/tmp.go b/tmp.go
index 9438646..70d3f11 100644
--- a/tmp.go
+++ b/tmp.go
@@ -31,6 +31,19 @@ func TempFile(dir string) (*os.File, error) {
 	return os.OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_EXCL, os.FileMode(0666))
 }
 
+func DirSync(dirPath string) error {
+	fd, err := os.Open(dirPath)
+	if err != nil {
+		return err
+	}
+	err = fd.Sync()
+	if err != nil {
+		fd.Close()
+		return err
+	}
+	return fd.Close()
+}
+
 func WriteFileSync(dirPath, filePath string, data []byte) error {
 	dst, err := TempFile(dirPath)
 	if err != nil {
@@ -47,5 +60,8 @@ func WriteFileSync(dirPath, filePath string, data []byte) error {
 		return err
 	}
 	dst.Close()
-	return os.Rename(dst.Name(), filePath)
+	if err = os.Rename(dst.Name(), filePath); err != nil {
+		return err
+	}
+	return DirSync(dirPath)
 }
-- 
2.44.0