CI: add log for branch deletion (#60647)

* add log for branch deletion
* return an err when branch deletion fails

pkg/build/cmd/enterprisecheck.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"fmt"
+	"log"
 	"os"
 	"strconv"
 
@@ -113,9 +115,11 @@ func completeEnterpriseCheck(c *cli.Context, success bool) error {
 	}
 
 	// Delete branch if needed
+	log.Printf("Checking branch '%s' against '%s'", git.PRCheckRegexp().String(), opts.Branch)
 	if git.PRCheckRegexp().MatchString(opts.Branch) {
+		log.Println("Deleting branch", opts.Branch)
 		if err := git.DeleteEnterpriseBranch(ctx, client.Git, opts.Branch); err != nil {
-			return nil
+			return fmt.Errorf("error deleting enterprise branch: %w", err)
 		}
 	}
 

pkg/build/git/git.go

@@ -105,8 +105,7 @@ func AddLabelToPR(ctx context.Context, client LabelsService, prID int, newLabel
 
 func DeleteEnterpriseBranch(ctx context.Context, client GitService, branchName string) error {
 	ref := "heads/" + branchName
-	_, err := client.DeleteRef(ctx, RepoOwner, EnterpriseRepo, ref)
-	if err != nil {
+	if _, err := client.DeleteRef(ctx, RepoOwner, EnterpriseRepo, ref); err != nil {
 		return err
 	}