Exclude certain Bundler settings when composing bundle

lib/ruby_lsp/setup_bundler.rb

@@ -357,10 +357,17 @@ def bundler_settings_as_env
         Bundler::Settings.new
       end
 
+      # List of Bundler settings that don't make sense for the composed bundle and are better controlled manually by the
+      # user
+      ignored_settings = ["bin", "cache_all", "cache_all_platforms"]
+
       # Map all settings to their environment variable names with `key_for` and their values. For example, the if the
       # setting name `e` is `path` with a value of `vendor/bundle`, then it will return `"BUNDLE_PATH" =>
       # "vendor/bundle"`
-      settings.all.to_h do |e|
+      settings
+        .all
+        .reject { |setting| ignored_settings.include?(setting) }
+        .to_h do |e|
         key = settings.key_for(e)
         value = Array(settings[e]).join(":").tr(" ", ":")
 

test/setup_bundler_test.rb

@@ -897,6 +897,51 @@ def test_only_returns_environment_if_bundle_was_composed_ahead_of_time
     end
   end
 
+  def test_ignores_bundle_bin
+    Dir.mktmpdir do |dir|
+      Dir.chdir(dir) do
+        File.write(File.join(dir, "Gemfile"), <<~GEMFILE)
+          source "https://rubygems.org"
+          gem "irb"
+        GEMFILE
+
+        capture_subprocess_io do
+          Bundler.with_unbundled_env do
+            system("bundle", "config", "set", "--local", "bin", "bin")
+            system("bundle", "install")
+
+            assert_path_exists(File.join(dir, "bin"))
+
+            env = RubyLsp::SetupBundler.new(dir, launcher: true).setup!
+            refute_includes(env.keys, "BUNDLE_BIN")
+          end
+        end
+      end
+    end
+  end
+
+  def test_ignores_bundle_package
+    Dir.mktmpdir do |dir|
+      Dir.chdir(dir) do
+        File.write(File.join(dir, "Gemfile"), <<~GEMFILE)
+          source "https://rubygems.org"
+          gem "irb"
+        GEMFILE
+
+        capture_subprocess_io do
+          Bundler.with_unbundled_env do
+            system("bundle", "install")
+            system("bundle", "package")
+
+            env = RubyLsp::SetupBundler.new(dir, launcher: true).setup!
+            refute_includes(env.keys, "BUNDLE_CACHE_ALL")
+            refute_includes(env.keys, "BUNDLE_CACHE_ALL_PLATFORMS")
+          end
+        end
+      end
+    end
+  end
+
   private
 
   def with_default_external_encoding(encoding, &block)