From a590dd69657a79e800bd420b363d8090d30b487d Mon Sep 17 00:00:00 2001
From: Robin Scherrer <mail@robinscherrer.com>
Date: Thu, 31 Mar 2022 10:17:19 +0200
Subject: [PATCH] Configure renovate

---
 .github/renovate.json | 7 +++++++
 main.go               | 5 +++++
 renovate.json         | 5 -----
 3 files changed, 12 insertions(+), 5 deletions(-)
 create mode 100644 .github/renovate.json
 delete mode 100644 renovate.json

diff --git a/.github/renovate.json b/.github/renovate.json
new file mode 100644
index 0000000..2ffad06
--- /dev/null
+++ b/.github/renovate.json
@@ -0,0 +1,7 @@
+{
+  "extends": [
+    "config:base"
+  ],
+  "labels": ["dependencies"],
+  "postUpdateOptions": ["gomodTidy"]
+}
diff --git a/main.go b/main.go
index c28815e..e99bb3d 100644
--- a/main.go
+++ b/main.go
@@ -24,5 +24,10 @@ func main() {
 	if *secretKey == "" {
 		log.Fatal("secretkey cannot be empty")
 	}
+
+	if len(*secretKey) != 16 && len(*secretKey) != 32 {
+		log.Fatal("secretkey must be 16 or 32 characters long")
+	}
+
 	fmt.Print(gotp.NewDefaultTOTP(*secretKey).Now())
 }
diff --git a/renovate.json b/renovate.json
deleted file mode 100644
index f45d8f1..0000000
--- a/renovate.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "extends": [
-    "config:base"
-  ]
-}