From 7df1a17db4c2e54ecb0cd3234667289cc0076f08 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Thu, 8 Jan 2009 06:36:40 +0100
Subject: update: save the database even if it is empty

Save an empty database, even if the music directory is empty.
---
 src/database.h | 12 ++++++++++++
 src/update.c   |  3 ++-
 2 files changed, 14 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/database.h b/src/database.h
index b6884b604..ff17e3eb0 100644
--- a/src/database.h
+++ b/src/database.h
@@ -20,6 +20,7 @@
 #ifndef MPD_DATABASE_H
 #define MPD_DATABASE_H
 
+#include <stdbool.h>
 #include <sys/time.h>
 
 struct directory;
@@ -55,4 +56,15 @@ db_load(void);
 time_t
 db_get_mtime(void);
 
+/**
+ * Returns true if there is a valid database file on the disk.
+ */
+static inline bool
+db_exists(void)
+{
+	/* mtime is set only if the database file was loaded or saved
+	   successfully */
+	return db_get_mtime() > 0;
+}
+
 #endif
diff --git a/src/update.c b/src/update.c
index 10108f0a9..58f1b08d1 100644
--- a/src/update.c
+++ b/src/update.c
@@ -518,8 +518,9 @@ static void * update_task(void *_path)
 			updateDirectory(directory, &st);
 	}
 
-	if (modified)
+	if (modified || !db_exists())
 		db_save();
+
 	progress = UPDATE_PROGRESS_DONE;
 	wakeup_main_task();
 	return NULL;
-- 
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