Incorporate review

app/assets/javascripts/api.js.coffee

@@ -7,7 +7,7 @@
   labelsPath: "/api/:version/projects/:id/labels"
   licensePath: "/api/:version/licenses/:key"
   gitignorePath: "/api/:version/gitignores/:key"
-  gitlabCIYmlPath: "/api/:version/gitlab_ci_ymls/:key"
+  gitlabCiYmlPath: "/api/:version/gitlab_ci_ymls/:key"
 
   group: (group_id, callback) ->
     url = Api.buildUrl(Api.groupPath)
@@ -111,8 +111,8 @@
     $.get url, (gitignore) ->
       callback(gitignore)
 
-  gitlabCIYml: (key, callback) ->
-    url = Api.buildUrl(Api.gitlabCIYmlPath).replace(':key', key)
+  gitlabCiYml: (key, callback) ->
+    url = Api.buildUrl(Api.gitlabCiYmlPath).replace(':key', key)
 
     $.get url, (file) ->
       callback(file)

app/assets/javascripts/blob/blob_ci_yaml.js.coffee

@@ -2,7 +2,7 @@
 
 class @BlobCiYamlSelector extends TemplateSelector
   requestFile: (query) ->
-    Api.gitlabCIYml query.name, @requestFileSuccess.bind(@)
+    Api.gitlabCiYml query.name, @requestFileSuccess.bind(@)
 
 class @BlobCiYamlSelectors
   constructor: (opts) ->

app/helpers/blob_helper.rb

@@ -194,8 +194,8 @@ module BlobHelper
 
   def gitlab_ci_ymls
     @gitlab_ci_ymls ||=
-      Gitlab::Template::GitlabCIYml.categories.keys.map do |k|
-        [k, Gitlab::Template::GitlabCIYml.by_category(k).map { |t| { name: t.name } }]
+      Gitlab::Template::GitlabCiYml.categories.keys.map do |k|
+        [k, Gitlab::Template::GitlabCiYml.by_category(k).map { |t| { name: t.name } }]
       end.to_h
   end
 end

lib/api/templates.rb

@@ -2,7 +2,7 @@ module API
   class Templates < Grape::API
     TEMPLATE_TYPES = {
       gitignores:     Gitlab::Template::Gitignore,
-      gitlab_ci_ymls: Gitlab::Template::GitlabCIYml
+      gitlab_ci_ymls: Gitlab::Template::GitlabCiYml
     }.freeze
 
     TEMPLATE_TYPES.each do |template, klass|
@@ -29,6 +29,10 @@ module API
         new_template = klass.find(params[:name])
         not_found!("#{template.to_s.singularize}") unless new_template
 
+        if new_template.class == Gitlab::Template::GitlabCiYml
+          new_template.content = "# This file is a template, and might need editing before it works on your project.\n" + new_template.content
+        end
+
         present new_template, with: Entities::Template
       end
     end

lib/gitlab/template/base_template.rb

 module Gitlab
   module Template
     class BaseTemplate
+      attr_writer :content
+
       def initialize(path)
         @path = path
       end
@@ -10,7 +12,7 @@ module Gitlab
       end
 
       def content
-        File.read(@path)
+        @content ||= File.read(@path)
       end
 
       def categories

lib/gitlab/template/gitlab_ci_yml.rb

 module Gitlab
   module Template
-    class GitlabCIYml < BaseTemplate
+    class GitlabCiYml < BaseTemplate
       class << self
         def extension
           '.gitlab-ci.yml'

lib/tasks/gitlab/update_templates.rake

@@ -37,14 +37,16 @@ namespace :gitlab do
   private
 
   Template = Struct.new(:repo_url, :cleanup_regex)
-  TEMPLATE_DATA = [Template.new(
+  TEMPLATE_DATA = [
+    Template.new(
       "https://github.com/github/gitignore.git",
       /(\.{1,2}|LICENSE|Global|\.gitignore)\z/
     ),
     Template.new(
       "https://gitlab.com/gitlab-org/gitlab-ci-yml.git",
       /(\.{1,2}|LICENSE|Pages|\.gitlab-ci.yml)\z/
-      )]
+    )
+  ]
 
   def vendor_directory
     Rails.root.join('vendor')

spec/requests/api/templates_spec.rb

@@ -40,4 +40,13 @@ describe API::Templates, api: true  do
       end
     end
   end
+
+  describe 'GET /gitlab_ci_ymls/Ruby' do
+    it 'adds a disclaimer on the top' do
+      get api('/gitlab_ci_ymls/Ruby')
+
+      expect(response.status).to eq(200)
+      expect(json_response['content']).to start_with("# This file is a template,")
+    end
+  end
 end