Reorginised the main()'s code a little.

cmd/dwelling-upload/main.go

@@ -57,6 +57,19 @@ func main() {
 		}
 	}
 
+	watcha, err := watcher.NewInotifyWatcher()
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer watcha.Close()
+
+	if err := watcha.AddWatch(*uploadDir, watcher.CrDelMask); err != nil {
+		log.Fatalln(err)
+	}
+
+	uploadDirNotify := make(chan uint32)
+	go watcha.WatchForMask(uploadDirNotify, watcher.CrDelMask)
+
 	hashSalt, err := os.ReadFile(path.Join(os.Getenv("CREDENTIALS_DIRECTORY"), "salt"))
 	if err != nil {
 		log.Fatalln("failed to read hash salt file:", err)
@@ -72,24 +85,11 @@ func main() {
 
 	logFile := log.New(logFileFd, "", log.LstdFlags)
 
-	watcha, err := watcher.NewInotifyWatcher()
-	if err != nil {
-		log.Fatalln(err)
-	}
-	defer watcha.Close()
-
-	if err := watcha.AddWatch(*uploadDir, watcher.CrDelMask); err != nil {
-		log.Fatalln(err)
-	}
-
-	uploadDirNotify := make(chan uint32)
 	uploadDirSize, err := utils.DirectorySize(*uploadDir)
 	if err != nil {
 		log.Fatalf("failed to get initial size of %s: %s", *uploadDir, err)
 	}
 
-	go watcha.WatchForMask(uploadDirNotify, watcher.CrDelMask)
-
 	hand := http.NewUploadHandlers(logFile, *uploadDir, &uploadDirSize, string(hashSalt),
 		*keepForHours, *storageSize, *fileSizeLimit)
 
@@ -110,6 +110,11 @@ func main() {
 	r.Handler(nethttp.MethodGet, "/favicon.svg", http.Favicon)
 
 	srv := http.NewHttpServer(r)
+	defer func() {
+		if err := srv.Stop(); err != nil {
+			log.Fatalln("failed to properly shutdown a server:", err)
+		}
+	}()
 
 	if err := srv.Start(network, *listenAddress); err != nil {
 		log.Fatalln("failed to start a server:", err)
@@ -131,8 +136,4 @@ func main() {
 	}()
 
 	<-doneSignal
-
-	if err := srv.Stop(); err != nil {
-		log.Fatalln("failed to properly shutdown a server:", err)
-	}
 }