hack/release-notes: add repo flag

Signed-off-by: Stefan Büringer [email protected]

Author: sbueringer

hack/tools/release/notes.go

@@ -63,6 +63,8 @@ var (
 		unknown,
 	}
 
+	repo = flag.String("repo", "kubernetes-sigs/cluster-api", "The tag or commit to start from.")
+
 	fromTag = flag.String("from", "", "The tag or commit to start from.")
 
 	since      = flag.String("since", "", "Include commits starting from and including this date. Accepts format: YYYY-MM-DD")
@@ -154,7 +156,7 @@ func getAreaLabel(merge string) (string, error) {
 	// Get pr id from merge commit
 	prID := strings.Replace(strings.TrimSpace(strings.Split(merge, " ")[3]), "#", "", -1)
 
-	cmd := exec.Command("gh", "api", "repos/kubernetes-sigs/cluster-api/pulls/"+prID) //nolint:gosec
+	cmd := exec.Command("gh", "api", fmt.Sprintf("repos/%s/pulls/%s", *repo, prID)) //nolint:gosec
 
 	out, err := cmd.CombinedOutput()
 	if err != nil {