1 files changed, 24 insertions, 0 deletions
diff --git a/spec/bundler/commands/exec_spec.rb b/spec/bundler/commands/exec_spec.rb
index 5ca11dcba2..099cdb39fa 100644
--- a/spec/bundler/commands/exec_spec.rb
+++ b/spec/bundler/commands/exec_spec.rb
@@ -916,6 +916,30 @@ Run `bundle install` to install missing gems.
       end
     end
 
+    context "when Bundler.setup fails and Gemfile is not the default" do
+      before do
+        create_file "CustomGemfile", <<-G
+          source "#{file_uri_for(gem_repo1)}"
+          gem 'rack', '2'
+        G
+        ENV["BUNDLER_FORCE_TTY"] = "true"
+        ENV["BUNDLE_GEMFILE"] = "CustomGemfile"
+        ENV["BUNDLER_ORIG_BUNDLE_GEMFILE"] = nil
+      end
+
+      let(:exit_code) { Bundler::GemNotFound.new.status_code }
+      let(:expected) { "" }
+
+      it "prints proper suggestion" do
+        skip "https://github.com/rubygems/rubygems/issues/3351" if Gem.win_platform?
+
+        subject
+        expect(exitstatus).to eq(exit_code)
+        expect(err).to include("Run `bundle install --gemfile CustomGemfile` to install missing gems.")
+        expect(out).to eq(expected)
+      end
+    end
+
     context "when the executable exits non-zero via at_exit" do
       let(:executable) { super() + "\n\nat_exit { $! ? raise($!) : exit(1) }" }
       let(:exit_code) { 1 }