diff --git a/Library/Homebrew/dev-cmd/bump-formula-pr.rb b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
index 1e7a89d43b..e794671e1b 100644
--- a/Library/Homebrew/dev-cmd/bump-formula-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
@@ -314,26 +314,7 @@ module Homebrew
 
     new_formula_version = formula_version(formula, requested_spec, new_contents)
 
-    pull_requests = GitHub.check_for_duplicate_pull_requests(formula, tap_full_name, new_formula_version.to_s)
-
-    duplicates_message = <<~EOS
-      These pull requests may be duplicates:
-      #{pull_requests.join("\n")}
-    EOS
-    error_message = "Duplicate PRs should not be opened. Use --force to override this error."
-
-    if !pull_requests.blank?
-      if args.force? && !args.quiet?
-        opoo duplicates_message
-      elsif !args.force? && args.quiet?
-        odie error_message
-      elsif !args.force?
-        odie <<~EOS
-          #{duplicates_message.chomp}
-          #{error_message}
-        EOS
-      end
-    end
+    check_duplicate_pull_requests(formula, tap_full_name, new_formula_version.to_s)
 
     if !new_mirrors && !formula_spec.mirrors.empty?
       if args.force?
@@ -451,6 +432,28 @@ module Homebrew
     [remote_url, username]
   end
 
+  def check_duplicate_pull_requests(formula, tap_full_name, new_formula_version)
+    pull_requests = GitHub.check_for_duplicate_pull_requests(formula, tap_full_name, new_formula_version)
+    return if pull_requests.blank?
+
+    duplicates_message = <<~EOS
+      These pull requests may be duplicates:
+      #{pull_requests.join("\n")}
+    EOS
+    error_message = "Duplicate PRs should not be opened. Use --force to override this error."
+
+    if args.force? && !args.quiet?
+      opoo duplicates_message
+    elsif !args.force? && args.quiet?
+      odie error_message
+    elsif !args.force?
+      odie <<~EOS
+        #{duplicates_message.chomp}
+        #{error_message}
+      EOS
+    end
+  end
+
   def inreplace_pairs(path, replacement_pairs)
     if args.dry_run?
       contents = path.open("r") { |f| Formulary.ensure_utf8_encoding(f).read }