Change structure.

src/Task/BuiltIn/Git/ChangeBranchTask.php

@@ -0,0 +1,86 @@
+<?php
+/*
+ * This file is part of the Magallanes package.
+ *
+ * (c) Andrés Montañez <andres@andresmontanez.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Mage\Task\BuiltIn\Git;
+
+use Mage\Task\Exception\SkipException;
+use Symfony\Component\Process\Process;
+use Mage\Task\AbstractTask;
+
+/**
+ * Git Task - Checkout Branch
+ *
+ * @author Andrés Montañez <andresmontanez@gmail.com>
+ */
+class ChangeBranchTask extends AbstractTask
+{
+    public function getName()
+    {
+        return 'git/change-branch';
+    }
+
+    public function getDescription()
+    {
+        $options = $this->getOptions();
+        $branch = $options['branch'];
+
+        if ($this->runtime->getVar('git_revert_branch', false)) {
+            $branch = $this->runtime->getVar('git_revert_branch');
+        }
+
+        return sprintf('[Git] Change Branch (%s)', $branch);
+    }
+
+    public function execute()
+    {
+        $options = $this->getOptions();
+        $branch = $this->runtime->getVar('git_revert_branch', false);
+
+        if ($branch === false) {
+            $cmdGetCurrent = sprintf('%s branch | grep "*"', $options['path']);
+
+            /** @var Process $process */
+            $process = $this->runtime->runLocalCommand($cmdGetCurrent);
+            if (!$process->isSuccessful()) {
+                return false;
+            }
+
+            $currentBranch = str_replace('* ', '', trim($process->getOutput()));
+            if ($currentBranch == $options['branch']) {
+                throw new SkipException();
+            }
+
+            $branch = $options['branch'];
+            $this->runtime->setVar('git_revert_branch', $currentBranch);
+        }
+
+        $cmdChange = sprintf('%s checkout %s', $options['path'], $branch);
+
+        /** @var Process $process */
+        $process = $this->runtime->runLocalCommand($cmdChange);
+        return $process->isSuccessful();
+    }
+
+    protected function getOptions()
+    {
+        $config = $this->runtime->getEnvironmentConfig();
+        $branch = 'master';
+        if (array_key_exists('branch', $config)) {
+            $branch = $config['branch'];
+        }
+
+        $options = array_merge(
+            ['path' => 'git', 'branch' => $branch],
+            $this->options
+        );
+
+        return $options;
+    }
+}

src/Task/BuiltIn/Git/UpdateTask.php

@@ -0,0 +1,59 @@
+<?php
+/*
+ * This file is part of the Magallanes package.
+ *
+ * (c) Andrés Montañez <andres@andresmontanez.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Mage\Task\BuiltIn\Git;
+
+use Symfony\Component\Process\Process;
+use Mage\Task\AbstractTask;
+
+/**
+ * Git Task - Pull
+ *
+ * @author Andrés Montañez <andresmontanez@gmail.com>
+ */
+class UpdateTask extends AbstractTask
+{
+    public function getName()
+    {
+        return 'git/update';
+    }
+
+    public function getDescription()
+    {
+        return '[Git] Update';
+    }
+
+    public function execute()
+    {
+        $options = $this->getOptions();
+        $command = $options['path'] . ' pull';
+
+        /** @var Process $process */
+        $process = $this->runtime->runLocalCommand($command);
+
+        return $process->isSuccessful();
+    }
+
+    protected function getOptions()
+    {
+        $config = $this->runtime->getEnvironmentConfig();
+        $branch = 'master';
+        if (array_key_exists('branch', $config)) {
+            $branch = $config['branch'];
+        }
+
+        $options = array_merge(
+            ['path' => 'git', 'branch' => $branch],
+            $this->options
+        );
+
+        return $options;
+    }
+}