Adding basic git plugin

PHPCI/Plugin/Git.php

@@ -0,0 +1,125 @@
+<?php
+/**
+ * PHPCI - Continuous Integration for PHP
+ *
+ * @copyright    Copyright 2013, Block 8 Limited.
+ * @license      https://github.com/Block8/PHPCI/blob/master/LICENSE.md
+ * @link         http://www.phptesting.org/
+ */
+
+namespace PHPCI\Plugin;
+
+use PHPCI\Builder;
+use PHPCI\Model\Build;
+
+/**
+ * Git plugin.
+ * @author       Dan Cryer <dan@block8.co.uk>
+ * @package      PHPCI
+ * @subpackage   Plugins
+ */
+class Git implements \PHPCI\Plugin
+{
+    protected $phpci;
+    protected $build;
+    protected $actions = array();
+
+    public function __construct(Builder $phpci, Build $build, array $options = array())
+    {
+        $this->phpci = $phpci;
+        $this->build = $build;
+        $this->actions = $options;
+    }
+
+
+    public function execute()
+    {
+        $buildPath = $this->phpci->buildPath;
+
+        // Check if there are any actions to be run for the branch we're running on:
+        if (!array_key_exists($this->build->getBranch(), $this->actions)) {
+            return true;
+        }
+
+        // If there are, run them:
+        $curdir = getcwd();
+        chdir($buildPath);
+
+        $success = true;
+        foreach ($this->actions[$this->build->getBranch()] as $action => $options) {
+            if (!$this->runAction($action, $options)) {
+                $success = false;
+                break;
+            }
+        }
+
+        chdir($curdir);
+
+        return $success;
+    }
+
+    protected function runAction($action, $options = array())
+    {
+        // If options isn't an array, it should be.
+        if (!is_array($options)) {
+            $options = array();
+        }
+
+        // Handle git merges.
+        if ($action == 'merge' && array_key_exists('branch', $options)) {
+            $cmd = 'git checkout %s && git merge ' . $this->build->getBranch();
+            return $this->phpci->executeCommand($cmd, $this->directory, $options['branch']);
+        }
+
+        // Handle tagging:
+        if ($action == 'tag') {
+            $tagName = date('Ymd-His');
+            $message = 'Tag created by PHPCI: ' . date('Y-m-d H:i:s');
+
+            if (array_key_exists('name', $options)) {
+                $tagName = $this->phpci->interpolate($options['name']);
+            }
+
+            if (array_key_exists('message', $options)) {
+                $message = $this->phpci->interpolate($options['message']);
+            }
+
+            $cmd = 'git tag %s -m "%s"';
+            return $this->phpci->executeCommand($cmd, $tagName, $message);
+        }
+
+        // Handle pull:
+        if ($action == 'pull') {
+            $branch = $this->build->getBranch();
+            $remote = 'origin';
+
+            if (array_key_exists('branch', $options)) {
+                $branch = $this->phpci->interpolate($options['branch']);
+            }
+
+            if (array_key_exists('remote', $options)) {
+                $remote = $this->phpci->interpolate($options['remote']);
+            }
+
+            return $this->phpci->executeCommand('git pull %s %s', $remote, $branch);
+        }
+
+        // Handle push:
+        if ($action == 'push') {
+            $branch = $this->build->getBranch();
+            $remote = 'origin';
+
+            if (array_key_exists('branch', $options)) {
+                $branch = $this->phpci->interpolate($options['branch']);
+            }
+
+            if (array_key_exists('remote', $options)) {
+                $remote = $this->phpci->interpolate($options['remote']);
+            }
+
+            return $this->phpci->executeCommand('git push %s %s', $remote, $branch);
+        }
+
+        return false;
+    }
+}