tasks/metrics/mutant.rake in devtools-0.1.2 vs tasks/metrics/mutant.rake in devtools-0.1.3

@@ -1,50 +1,42 @@
-# encoding: utf-8
-
 namespace :metrics do
   config  = Devtools.project.mutant
 
-  if !ENV['DEVTOOLS_SELF']
-    desc 'Measure mutation coverage'
-    task mutant: :coverage do
-      require 'mutant'
+  desc 'Measure mutation coverage'
+  task mutant: :coverage do
+    require 'mutant'
 
-      namespace =
-        if config.zombify
-          Mutant.zombify
-          Zombie::Mutant
-        else
-          Mutant
-        end
-
-      namespaces = Array(config.namespace).map { |n| "#{n}*" }
-
-      ignore_subjects = config.ignore_subjects.flat_map do |matcher|
-        %W[--ignore #{matcher}]
+    namespace =
+      if config.zombify
+        Mutant.zombify
+        Zombie::Mutant
+      else
+        Mutant
       end
 
-      since =
-        if config.since
-          %W[--since #{config.since}]
-        else
-          []
-        end
+    namespaces = Array(config.namespace).map { |n| "#{n}*" }
 
-      arguments  = %W[
-        --include lib
-        --require #{config.name}
-        --expect-coverage #{config.expect_coverage}
-        --use #{config.strategy}
-      ].concat(ignore_subjects).concat(namespaces).concat(since)
+    ignore_subjects = config.ignore_subjects.flat_map do |matcher|
+      %W[--ignore #{matcher}]
+    end
 
-      status = namespace::CLI.run(arguments)
-      if status.nonzero?
-        Devtools.notify_metric_violation 'Mutant task is not successful'
+    jobs = ENV.key?('CIRCLECI') ? %w[--jobs 4] : []
+
+    since =
+      if config.since
+        %W[--since #{config.since}]
+      else
+        []
       end
-    end
-  else
-    desc 'Measure mutation coverage'
-    task mutant: :coverage do
-      $stderr.puts 'Mutant is disabled'
+
+    arguments  = %W[
+      --include lib
+      --require #{config.name}
+      --expect-coverage #{config.expect_coverage}
+      --use #{config.strategy}
+    ].concat(ignore_subjects).concat(namespaces).concat(since).concat(jobs)
+
+    unless namespace::CLI.run(arguments)
+      Devtools.notify_metric_violation('Mutant task is not successful')
     end
   end
 end