1 files changed, 53 insertions, 0 deletions
diff --git a/src/app_vertest.c b/src/app_vertest.c
new file mode 100644
index 0000000..54d5f10
--- /dev/null
+++ b/src/app_vertest.c
@@ -0,0 +1,53 @@
+/* app_vertest.c - Alpine Package Keeper (APK)
+ *
+ * Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
+ * Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ */
+
+#include <stdio.h>
+#include "apk_defines.h"
+#include "apk_applet.h"
+#include "apk_database.h"
+#include "apk_version.h"
+#include "apk_print.h"
+
+static int vertest_main(void *pctx, struct apk_database *db, struct apk_string_array *args)
+{
+	apk_blob_t arg, ver, op, space = APK_BLOB_STRLIT(" ");
+	char **parg;
+	int errors = 0;
+
+	foreach_array_item(parg, args) {
+		int ok = 0;
+
+		// arguments are either:
+		//   "version"		-> check validty
+		//   "ver1 op ver2"	-> check if that the comparison is true
+		arg = APK_BLOB_STR(*parg);
+		if (apk_blob_split(arg, space, &ver, &arg) &&
+		    apk_blob_split(arg, space, &op,  &arg)) {
+			if (apk_version_compare_blob(ver, arg) & apk_version_result_mask_blob(op))
+				ok = 1;
+		} else {
+			ok = apk_version_validate(arg);
+		}
+		if (!ok) {
+			if (apk_verbosity > 0)
+				printf("%s\n", *parg);
+			errors++;
+		}
+	}
+
+	return errors ? 1 : 0;
+}
+
+static struct apk_applet apk_vertest = {
+	.open_flags = APK_OPENF_READ | APK_OPENF_NO_STATE | APK_OPENF_NO_REPOS,
+	.name = "vertest",
+	.main = vertest_main,
+};
+
+APK_DEFINE_APPLET(apk_vertest);