db: cache index files, 'update' applet

Cache non-local index files always locally.
Introduce 'update' applet to force refresh of cached index files.
Fixes #19.

1 files changed, 41 insertions, 0 deletions

diff --git a/src/update.c b/src/update.c
new file mode 100644
index 0000000..4351653
--- /dev/null
+++ b/src/update.c
@@ -0,0 +1,41 @@
+/* update.c - Alpine Package Keeper (APK)
+ *
+ * Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
+ * Copyright (C) 2008 Timo Teräs <timo.teras@iki.fi>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it 
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation. See http://www.gnu.org/ for details.
+ */
+
+#include <stdio.h>
+#include "apk_defines.h"
+#include "apk_applet.h"
+#include "apk_database.h"
+#include "apk_version.h"
+
+static int update_main(void *ctx, int argc, char **argv)
+{
+	struct apk_database db;
+	int i;
+
+	if (apk_db_open(&db, apk_root, APK_OPENF_READ) < 0)
+		return -1;
+
+	for (i = 0; i < db.num_repos; i++)
+		apk_repository_update(&db, &db.repos[i]);
+
+	apk_db_close(&db);
+
+	return 0;
+}
+
+static struct apk_applet apk_update = {
+	.name = "update",
+	.usage = "",
+	.main = update_main,
+};
+
+APK_DEFINE_APPLET(apk_update);
+