RuboCopBear.py: Pin to version 0.47.1

Pin to verion 0.47.1 because tests were failing due to the
launch of a new release of rubocop 0.48.0

Closes coala#1548

.ci/Gemfile.jinja2

@@ -1,5 +1,13 @@
 source 'https://rubygems.org'
 ruby '2.2.2'
-
-{% for gem in gems %}gem "{{gem.name + '"' if gem.required == '' else gem.name + '", require: false'}}
-{% endfor %}
+{% for gem in gems %}
+{%- if gem.version != '' and gem.required != '' %}
+gem "{{ gem.name + '", "' + gem.version + '", require: false' }}
+{%-  elif gem.version == '' and gem.required == '' %}
+gem "{{ gem.name + '"' }}
+{%-  elif gem.version != '' and gem.required == '' %}
+gem "{{ gem.name + '", "' + gem.version + '"' }}
+{%- else %}
+gem "{{ gem.name + '", require: false' }}
+{%- endif %}
+{%- endfor %}

.ci/generate_bear_requirements.py

@@ -125,8 +125,9 @@ def write_gem_requirements(requirements):
 
     for requirement in requirements:
         gem_dependencies.append(
-            {'name' : requirement.package,
-             'required' : requirement.require})
+            {'name': requirement.package,
+             'version': requirement.version,
+             'required': requirement.require})
 
     gemfile_string = template.render(
         gems=gem_dependencies

Gemfile

@@ -2,8 +2,8 @@ source 'https://rubygems.org'
 ruby '2.2.2'
 
 gem "csvlint"
-gem "puppet-lint"
+gem "puppet-lint", "2"
 gem "reek"
-gem "rubocop"
+gem "rubocop", "0.47.1"
 gem "scss_lint", require: false
-gem "sqlint"
+gem "sqlint"

bears/ruby/RuboCopBear.py

@@ -19,7 +19,7 @@ class RuboCopBear:
     """
 
     LANGUAGES = {'Ruby'}
-    REQUIREMENTS = {GemRequirement('rubocop'),
+    REQUIREMENTS = {GemRequirement('rubocop', '0.47.1'),
                     PipRequirement('pyyaml', '3.12')}
     AUTHORS = {'The coala developers'}
     AUTHORS_EMAILS = {'coala-devel@googlegroups.com'}