Don't blow on bundle update gem when lock is not present.

* rename not_found_message to gem_not_found_message
* add lock_not_found_message
* add GemfileLockNotFound error with 22 status code

1 files changed, 11 insertions, 0 deletions

diff --git a/spec/update/gems_spec.rb b/spec/update/gems_spec.rb
index e5038884..856e9226 100644
--- a/spec/update/gems_spec.rb
+++ b/spec/update/gems_spec.rb
@@ -187,4 +187,15 @@ describe "bundle update" do
     bundle "update"
     expect(out).to include("Installing activesupport 3.0 (was 2.3.5)")
   end
+
+  it "shows error message when Gemfile.lock is not preset and gem is specified" do
+    install_gemfile <<-G
+      source "file://#{gem_repo2}"
+      gem "activesupport"
+    G
+
+    bundle "update nonexisting", :exitstatus => true
+    expect(out).to include("This Bundle hasn't been installed yet. Run `bundle install` to update and install the bundled gems.")
+    expect(@exitstatus).to eq(22)
+  end
 end