Add an option triggered_by to PHPLint.

Author: bertptrs

doc/tasks/phplint.md

@@ -9,6 +9,7 @@ parameters:
         phplint:
             exclude: []
             jobs: ~
+            triggered_by: ['php']
 ```
 **exclude**
 
@@ -24,3 +25,9 @@ directories you wish to exclude, such as the vendor directory.
 The number of jobs you wish to use for parallel processing. If no number
 is given, it is left up to parallel-lint itself, which currently
 defaults to 10.
+
+**trigered_by**
+
+*Default: ['php']*
+
+Any file extensions that you wish to be passed to the linter.

spec/GrumPHP/Task/PHPLintSpec.php

@@ -39,6 +39,7 @@ function it_should_have_configurable_options()
         $options->shouldBeAnInstanceOf('Symfony\Component\OptionsResolver\OptionsResolver');
         $options->getDefinedOptions()->shouldContain('jobs');
         $options->getDefinedOptions()->shouldContain('exclude');
+        $options->getDefinedOptions()->shouldContain('triggered_by');
     }
 
     function it_should_run_in_git_pre_commit_context(GitPreCommitContext $context)

src/GrumPHP/Task/PHPLint.php

@@ -31,10 +31,12 @@ public function getConfigurableOptions()
         $resolver->setDefaults(array(
             'jobs' => null,
             'exclude' => array(),
+            'triggered_by' => array('php'),
         ));
 
         $resolver->setAllowedTypes('jobs', array('int', 'null'));
         $resolver->setAllowedTypes('exclude', 'array');
+        $resolver->setAllowedTypes('triggered_by', 'array');
 
         return $resolver;
     }
@@ -52,11 +54,8 @@ public function canRunInContext(ContextInterface $context)
      */
     public function run(ContextInterface $context)
     {
-        $fileNames = array_map(function (\SplFileInfo $file) {
-            return $file->getPathname();
-        }, iterator_to_array($context->getFiles()->extensions(array('php'))));
-
         $config = $this->getConfiguration();
+        $files  = $context->getFiles()->extensions($config['triggered_by']);
 
         $args = $this->processBuilder->createArgumentsForCommand('parallel-lint');
         $args->add('--no-colors');
@@ -65,7 +64,9 @@ public function run(ContextInterface $context)
             $args->add($config['jobs']);
         }
         $args->addArgumentArrayWithSeparatedValue('--exclude', $config['exclude']);
-        $args->addArgumentArray('%s', $fileNames);
+        $args->add('-e');
+        $args->addOptionalCommaSeparatedArgument('%s', $config['triggered_by']);
+        $args->addFiles($files);
 
         $process = $this->processBuilder->buildProcess($args);
         $process->run();