versions: move hash generator into own package

Signed-off-by: Paul Meyer <49727155+katexochen@users.noreply.github.com>

go.mod

@@ -92,6 +92,7 @@ require (
 	golang.org/x/crypto v0.5.0
 	golang.org/x/mod v0.7.0
 	golang.org/x/sys v0.4.0
+	golang.org/x/tools v0.4.0
 	google.golang.org/api v0.106.0
 	google.golang.org/grpc v1.51.0
 	google.golang.org/protobuf v1.28.1
@@ -287,7 +288,6 @@ require (
 	golang.org/x/term v0.4.0 // indirect
 	golang.org/x/text v0.6.0 // indirect
 	golang.org/x/time v0.2.0 // indirect
-	golang.org/x/tools v0.4.0 // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20221227171554-f9683d7f8bef // indirect

internal/versions/hash-generator/generate.go

@@ -1,5 +1,3 @@
-//go:build ignore
-
 /*
 Copyright (c) Edgeless Systems GmbH
 
@@ -170,5 +168,5 @@ func main() {
 		log.Fatalf("no components lists found")
 	}
 
-	fmt.Printf("Successfully generated hashes for %d components in %d component lists.", componentCtr, componentListsCtr)
+	fmt.Printf("Successfully generated hashes for %d components in %d component lists.\n", componentCtr, componentListsCtr)
 }

internal/versions/hash-generator/generate_test.go

@@ -0,0 +1,17 @@
+/*
+Copyright (c) Edgeless Systems GmbH
+
+SPDX-License-Identifier: AGPL-3.0-only
+*/
+
+package main
+
+import (
+	"testing"
+
+	"go.uber.org/goleak"
+)
+
+func TestMain(m *testing.M) {
+	goleak.VerifyTestMain(m)
+}

internal/versions/versions.go

@@ -96,7 +96,7 @@ const (
 
 // Regenerate the hashes by running go generate.
 // To add another Kubernetes version, add a new entry to the VersionConfigs map below and fill the Hash field with an empty string.
-//go:generate go run generateHashes.go
+//go:generate go run hash-generator/generate.go
 
 // VersionConfigs holds download URLs for all required kubernetes components for every supported version.
 var VersionConfigs = map[ValidK8sVersion]KubernetesVersion{