reporegistry: add logging regression test

This commit adds a tiny test to ensure repo logging does not break
again.

pkg/reporegistry/repository_test.go

@@ -1,14 +1,20 @@
 package reporegistry
 
 import (
+	"fmt"
 	"path/filepath"
 	"reflect"
+	"slices"
 	"testing"
 
+	"github.com/sirupsen/logrus"
+	logrusTest "github.com/sirupsen/logrus/hooks/test"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
 	"github.com/osbuild/images/internal/common"
 	"github.com/osbuild/images/pkg/distro/test_distro"
 	"github.com/osbuild/images/pkg/rpmmd"
-	"github.com/stretchr/testify/assert"
 )
 
 func getConfPaths(t *testing.T) []string {
@@ -295,3 +301,16 @@ func Test_LoadAllRepositories(t *testing.T) {
 		})
 	}
 }
+
+func TestLoadRepositoriesLogging(t *testing.T) {
+	_, logHook := logrusTest.NewNullLogger()
+	logrus.AddHook(logHook)
+
+	confPaths := getConfPaths(t)
+	_, err := LoadAllRepositories(confPaths)
+	require.NoError(t, err)
+	needle := "Loaded repository configuration file: rhel-8.10.json"
+	assert.True(t, slices.ContainsFunc(logHook.AllEntries(), func(entry *logrus.Entry) bool {
+		return needle == entry.Message
+	}), fmt.Sprintf("%q not found in look entries %+v (last: %q)", needle, logHook.AllEntries(), logHook.LastEntry().Message))
+}