feedback: use plumbing instead of sprintf

dlambda · complex64 · web-flow · commit 53f5913ade29 · 2022-06-30T16:18:15.000+10:00
Co-authored-by: Johannes Huning &lt;johannes.huning@gmail.com&gt;
diff --git a/_examples/checkout-branch/main.go b/_examples/checkout-branch/main.go
@@ -35,7 +35,7 @@ func main() {
 	// ... checking out branch
 	Info("git checkout %s", branch)
 
-	branchRefName := fmt.Sprintf("refs/heads/%s", branch)
+	branchRefName := plumbing.NewBranchReferenceName(branch)
 	branchCoOpts := git.CheckoutOptions{
 		Branch: plumbing.ReferenceName(branchRefName),
 		Force:  true,
