[rubygems/rubygems] major_deprecation accepts :removed_message

If supplied, it uses that in place of the message for the case where the
deprecation version is already past.

https://github.com/rubygems/rubygems/commit/1deb73663c

lib/bundler/shared_helpers.rb

@@ -117,16 +117,18 @@ module Bundler
       raise GenericSystemCallError.new(e, "There was an error accessing `#{path}`.")
     end
 
-    def major_deprecation(major_version, message, print_caller_location: false)
+    def major_deprecation(major_version, message, removed_message: nil, print_caller_location: false)
       if print_caller_location
         caller_location = caller_locations(2, 2).first
-        message = "#{message} (called at #{caller_location.path}:#{caller_location.lineno})"
+        suffix = " (called at #{caller_location.path}:#{caller_location.lineno})"
+        message += suffix
+        removed_message += suffix if removed_message
       end
 
       bundler_major_version = Bundler.bundler_major_version
       if bundler_major_version > major_version
         require_relative "errors"
-        raise DeprecatedError, "[REMOVED] #{message}"
+        raise DeprecatedError, "[REMOVED] #{removed_message || message}"
       end
 
       return unless bundler_major_version >= major_version && prints_major_deprecations?

spec/bundler/bundler/shared_helpers_spec.rb

@@ -522,4 +522,34 @@ RSpec.describe Bundler::SharedHelpers do
       end
     end
   end
+
+  describe "#major_deprecation" do
+    before { allow(Bundler).to receive(:bundler_major_version).and_return(37) }
+    before { allow(Bundler.ui).to receive(:warn) }
+
+    it "prints and raises nothing below the deprecated major version" do
+      subject.major_deprecation(38, "Message")
+      subject.major_deprecation(39, "Message", :removed_message => "Removal", :print_caller_location => true)
+      expect(Bundler.ui).not_to have_received(:warn)
+    end
+
+    it "prints but does not raise _at_ the deprecated major version" do
+      subject.major_deprecation(37, "Message")
+      subject.major_deprecation(37, "Message", :removed_message => "Removal")
+      expect(Bundler.ui).to have_received(:warn).with("[DEPRECATED] Message").twice
+
+      subject.major_deprecation(37, "Message", :print_caller_location => true)
+      expect(Bundler.ui).to have_received(:warn).
+        with(a_string_matching(/^\[DEPRECATED\] Message \(called at .*:\d+\)$/))
+    end
+
+    it "raises the appropriate errors when _past_ the deprecated major version" do
+      expect { subject.major_deprecation(36, "Message") }.
+        to raise_error(Bundler::DeprecatedError, "[REMOVED] Message")
+      expect { subject.major_deprecation(36, "Message", :removed_message => "Removal") }.
+        to raise_error(Bundler::DeprecatedError, "[REMOVED] Removal")
+      expect { subject.major_deprecation(35, "Message", :removed_message => "Removal", :print_caller_location => true) }.
+        to raise_error(Bundler::DeprecatedError, /^\[REMOVED\] Removal \(called at .*:\d+\)$/)
+    end
+  end
 end