Work around pull request page 500 error referencing issues to be closed

Reported upstream: go-gitea#22821

Author: brechtvl

services/pull/merge.go

@@ -89,24 +89,25 @@ func GetDefaultMergeMessage(ctx context.Context, baseGitRepo *git.Repository, pr
 				vars["HeadRepoOwnerName"] = pr.HeadRepo.OwnerName
 				vars["HeadRepoName"] = pr.HeadRepo.Name
 			}
-			refs, err := pr.ResolveCrossReferences(ctx)
-			if err == nil {
-				closeIssueIndexes := make([]string, 0, len(refs))
-				closeWord := "close"
-				if len(setting.Repository.PullRequest.CloseKeywords) > 0 {
-					closeWord = setting.Repository.PullRequest.CloseKeywords[0]
-				}
-				for _, ref := range refs {
-					if ref.RefAction == references.XRefActionCloses {
-						closeIssueIndexes = append(closeIssueIndexes, fmt.Sprintf("%s %s%d", closeWord, issueReference, ref.Issue.Index))
-					}
-				}
-				if len(closeIssueIndexes) > 0 {
-					vars["ClosingIssues"] = strings.Join(closeIssueIndexes, ", ")
-				} else {
-					vars["ClosingIssues"] = ""
-				}
-			}
+			// Blender: disabled because it causes crashes in pull requests
+			//	refs, err := pr.ResolveCrossReferences(ctx)
+			//	if err == nil {
+			//		closeIssueIndexes := make([]string, 0, len(refs))
+			//		closeWord := "close"
+			//		if len(setting.Repository.PullRequest.CloseKeywords) > 0 {
+			//			closeWord = setting.Repository.PullRequest.CloseKeywords[0]
+			//		}
+			//		for _, ref := range refs {
+			//			if ref.RefAction == references.XRefActionCloses {
+			//				closeIssueIndexes = append(closeIssueIndexes, fmt.Sprintf("%s %s%d", closeWord, issueReference, ref.Issue.Index))
+			//			}
+			//		}
+			//		if len(closeIssueIndexes) > 0 {
+			//			vars["ClosingIssues"] = strings.Join(closeIssueIndexes, ", ")
+			//		} else {
+			//			vars["ClosingIssues"] = ""
+			//		}
+			//	}
 			message, body = expandDefaultMergeMessage(templateContent, vars)
 			return message, body, nil
 		}