intial work on adding /lint endpoint

lib/travis/api/v3/permissions/lint.rb

@@ -0,0 +1,9 @@
+require 'travis/api/v3/permissions/generic'
+
+module Travis::API::V3
+  class Permissions::Lint < Permissions::Generic
+    def lint?
+      write?
+    end
+  end
+end

lib/travis/api/v3/queries/lint.rb

@@ -0,0 +1,13 @@
+require 'travis/yaml'
+
+module Travis::API::V3
+  class Queries::Lint < Query
+    def lint
+      request.body.rewind
+      content  = params[:content] || request.body.read
+      parsed   = Travis::Yaml.parse(content)
+      warnings = parsed.nested_warnings.map { |k, m| { key: k, message: m } }
+      { lint: { warnings: warnings } }.to_json
+    end
+  end
+end

lib/travis/api/v3/routes.rb

@@ -36,6 +36,12 @@ module Travis::API::V3
       post :restart, '/restart'
     end
 
+    resource :lint do
+      route '/lint'
+      post :lint
+      put  :lint
+    end
+
     resource :organization do
       capture id: :digit
       route '/org/{organization.id}'

lib/travis/api/v3/services.rb

@@ -11,6 +11,7 @@ module Travis::API::V3
     Builds        = Module.new { extend Services }
     Job           = Module.new { extend Services }
     Jobs          = Module.new { extend Services }
+    Lint          = Module.new { extend Services }
     Organization  = Module.new { extend Services }
     Organizations = Module.new { extend Services }
     Owner         = Module.new { extend Services }

lib/travis/api/v3/services/lint/lint.rb

@@ -0,0 +1,7 @@
+module Travis::API::V3
+  class Services::Lint::Lint < Service
+    def run!
+      lint
+    end
+  end
+end