mpd.conf: new bool config value for enabling/disabling inotify update

doc/mpd.conf.5

@@ -248,6 +248,11 @@ tags may be specified as a comma separated list.  An example value is
 "artist,album,title,track".  The special value "none" may be used alone to
 disable all metadata.  The default is to use all known tag types except for
 comments.
+.TP
+.B auto_update <yes or no>
+This specifies the wheter to support automatic update of music database when
+files are changed in music_directory. The default is to disable autoupdate
+of database.
 .SH REQUIRED AUDIO OUTPUT PARAMETERS
 .TP
 .B type <type>

doc/mpdconf.example

@@ -109,6 +109,10 @@
 #
 #metadata_to_use	"artist,album,title,track,name,genre,date,composer,performer,disc"
 #
+# This setting enables automatic update of MPD's database when files in 
+# music_directory are changed.
+#
+#auto_update	"yes"
 ###############################################################################
 
 

src/conf.c

@@ -91,6 +91,7 @@ static struct config_entry config_entries[] = {
 	{ .name = CONF_INPUT, true, true },
 	{ .name = CONF_GAPLESS_MP3_PLAYBACK, false, false },
 	{ .name = CONF_PLAYLIST_PLUGIN, true, true },
+	{ .name = CONF_AUTO_UPDATE, false, false },
 	{ .name = "filter", true, true },
 };
 

src/conf.h

@@ -68,6 +68,7 @@
 #define CONF_INPUT "input"
 #define CONF_GAPLESS_MP3_PLAYBACK	"gapless_mp3_playback"
 #define CONF_PLAYLIST_PLUGIN "playlist_plugin"
+#define CONF_AUTO_UPDATE		"auto_update"
 
 #define DEFAULT_PLAYLIST_MAX_LENGTH (1024*16)
 #define DEFAULT_PLAYLIST_SAVE_ABSOLUTE_PATHS false

src/main.c

@@ -372,9 +372,13 @@ int main(int argc, char *argv[])
 
 	glue_state_file_init();
 
+	success = config_get_bool(CONF_AUTO_UPDATE, false);
 #ifdef ENABLE_INOTIFY
-	if (mapper_has_music_directory())
+	if (success && mapper_has_music_directory())
-		mpd_inotify_init();
+    		mpd_inotify_init();
+#else
+	if (success)
+		g_warning("inotify: auto_update was disabled. enable during compilation phase");
 #endif
 
 	config_global_check();