conf: add a "database" block

The new block overrides the "db_file" setting, and allows configuring
any database plugin.

2 files changed, 19 insertions, 6 deletions

diff --git a/src/conf.c b/src/conf.c
index 167f2da92..5f12d84d9 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -102,6 +102,7 @@ static struct config_entry config_entries[] = {
 	{ .name = CONF_DESPOTIFY_PASSWORD, false, false},
 	{ .name = CONF_DESPOTIFY_HIGH_BITRATE, false, false },
 	{ .name = "filter", true, true },
+	{ .name = "database", false, true },
 };
 
 static bool
diff --git a/src/main.c b/src/main.c
index 00bbf7202..8b34bdad4 100644
--- a/src/main.c
+++ b/src/main.c
@@ -154,35 +154,47 @@ glue_mapper_init(GError **error_r)
 static bool
 glue_db_init_and_load(void)
 {
+	const struct config_param *param = config_get_param("database");
 	const struct config_param *path = config_get_param(CONF_DB_FILE);
 
+	if (param != NULL && path != NULL)
+		g_message("Found both 'database' and '" CONF_DB_FILE
+			  "' setting - ignoring the latter");
+
 	GError *error = NULL;
 	bool ret;
 
 	if (!mapper_has_music_directory()) {
+		if (param != NULL)
+			g_message("Found database setting without "
+				  CONF_MUSIC_DIR " - disabling database");
 		if (path != NULL)
 			g_message("Found " CONF_DB_FILE " setting without "
 				  CONF_MUSIC_DIR " - disabling database");
 		return true;
 	}
 
-	if (path == NULL)
-		MPD_ERROR(CONF_DB_FILE " setting missing");
+	struct config_param *allocated = NULL;
 
-	struct config_param *param = config_new_param("database", path->line);
-	config_add_block_param(param, "path", path->value, path->line);
+	if (param == NULL && path != NULL) {
+		allocated = config_new_param("database", path->line);
+		config_add_block_param(allocated, "path",
+				       path->value, path->line);
+		param = allocated;
+	}
 
 	if (!db_init(param, &error))
 		MPD_ERROR("%s", error->message);
 
-	config_param_free(param);
+	if (allocated != NULL)
+		config_param_free(allocated);
 
 	ret = db_load(&error);
 	if (!ret)
 		MPD_ERROR("%s", error->message);
 
 	/* run database update after daemonization? */
-	return db_exists();
+	return !db_is_simple() || db_exists();
 }
 
 /**