replace zero exit status steps

features/step_definitions.rb

@@ -166,7 +166,7 @@ end
 #
 
 When(%r!^I run git add .$!) do
-  run_in_shell("git", "add", ".")
+  run_in_shell("git", "add", ".", "--verbose")
 end
 
 #
@@ -264,6 +264,27 @@ end
 
 #
 
+Then(%r!^I should get an updated git index$!) do
+  index = %w(
+    .gitignore
+    Gemfile
+    LICENSE.txt
+    README.md
+    _includes/blank.html
+    _layouts/default.html
+    _layouts/page.html
+    _layouts/post.html
+    _sass/blank.scss
+    assets/css/blank.scss
+    my-cool-theme.gemspec
+  )
+  index.each do |file|
+    expect(jekyll_run_output).to match file
+  end
+end
+
+#
+
 Then(%r!^I should get a zero exit(?:\-| )status$!) do
   step %(I should see "EXIT STATUS: 0" in the build output)
 end

features/theme_gem.feature

@@ -10,18 +10,17 @@ Feature: Building Theme Gems
 
   Scenario: Checking if a bonafide Theme gem will be built from generated scaffolding
     When I run jekyll new-theme my-cool-theme
-    Then I should get a zero exit status
-    And the my-cool-theme directory should exist
+    Then the my-cool-theme directory should exist
     When I decide to build the theme gem
-    Then I should get a zero exit status
+    Then the "_includes/blank.html" file should exist
+    Then the "_sass/blank.scss" file should exist
+    Then the "assets/css/blank.scss" file should exist
     When I run git add .
-    Then I should get a zero exit status
+    Then I should get an updated git index
     When I run gem build my-cool-theme.gemspec
-    Then I should get a zero exit status
-    And the "./my-cool-theme-0.1.0.gem" file should exist
+    Then the "./my-cool-theme-0.1.0.gem" file should exist
     When I run gem unpack my-cool-theme-0.1.0.gem
-    Then I should get a zero exit status
-    And the my-cool-theme-0.1.0 directory should exist
+    Then the my-cool-theme-0.1.0 directory should exist
     And the "my-cool-theme-0.1.0/_layouts/default.html" file should exist
     And the "my-cool-theme-0.1.0/_includes/blank.html" file should exist
     And the "my-cool-theme-0.1.0/_sass/blank.scss" file should exist