style: env :userpaths is deprecated

Library/Homebrew/dev-cmd/audit.rb

@@ -867,9 +867,6 @@ module Homebrew
 
       return unless @strict
 
-      # TODO: check could be in RuboCop
-      problem "`env :userpaths` in formulae is deprecated" if line.include?("env :userpaths")
-
       # TODO: check could be in RuboCop
       problem "`#{Regexp.last_match(1)}` is now unnecessary" if line =~ /(require ["']formula["'])/
 

Library/Homebrew/rubocops/text.rb

@@ -80,6 +80,10 @@ module RuboCop
             problem "`go_resource`s are deprecated. Please ask upstream to implement Go vendoring"
           end
 
+          find_method_with_args(body_node, :env, :userpaths) do
+            problem "`env :userpaths` in homebrew/core formulae is deprecated"
+          end
+
           return unless formula_tap == "homebrew-core"
 
           find_method_with_args(body_node, :env, :std) do

Library/Homebrew/test/rubocops/text_spec.rb

@@ -233,6 +233,17 @@ describe RuboCop::Cop::FormulaAuditStrict::Text do
   subject(:cop) { described_class.new }
 
   context "When auditing formula text" do
+    it "when deprecated `env :userpaths` is present" do
+      expect_offense(<<~RUBY)
+        class Foo < Formula
+          url "https://brew.sh/foo-1.0.tgz"
+
+          env :userpaths
+          ^^^^^^^^^^^^^^ `env :userpaths` in homebrew/core formulae is deprecated
+        end
+      RUBY
+    end
+
     it "when deprecated `env :std` is present in homebrew-core" do
       expect_offense(<<~RUBY, "/homebrew-core/")
         class Foo < Formula