diff --git a/.travis.yml b/.travis.yml
index 1907a4a..0518cfd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,8 @@ env:
 language: php
 php:
   - 7.1
-  - 7.0
+  - 7.2
+  - 7.3
 before_script:
   - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
   - chmod +x ./cc-test-reporter
diff --git a/composer.json b/composer.json
index 81bdb1f..4b81af4 100644
--- a/composer.json
+++ b/composer.json
@@ -6,10 +6,11 @@
     "prefer-stable": true,
     "require": {
         "digipolisgent/robo-digipolis-package": "^0.1",
-        "digipolisgent/robo-digipolis-deploy": "^0.1.4",
+        "digipolisgent/robo-digipolis-deploy": "^0.1.9",
         "digipolisgent/robo-digipolis-general": "^0.1",
         "gordalina/cachetool": "^3|^2.1|^1.11",
-        "digipolisgent/command-builder": "^1.0"
+        "digipolisgent/command-builder": "^1.2.1",
+        "roave/better-reflection": "^3.0|^2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.4"
diff --git a/src/AbstractRoboFile.php b/src/AbstractRoboFile.php
index bc63a28..7b7e6c8 100644
--- a/src/AbstractRoboFile.php
+++ b/src/AbstractRoboFile.php
@@ -2,33 +2,22 @@
 
 namespace DigipolisGent\Robo\Helpers;
 
-use DigipolisGent\CommandBuilder\CommandBuilder;
-use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
-use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\KeyFile;
 use DigipolisGent\Robo\Task\General\Common\DigipolisPropertiesAwareInterface;
 use Robo\Contract\ConfigAwareInterface;
-use Robo\Task\Filesystem\FilesystemStack;
-use Symfony\Component\Finder\Finder;
 
 abstract class AbstractRoboFile extends \Robo\Tasks implements DigipolisPropertiesAwareInterface, ConfigAwareInterface
 {
-    const DEFAULT_TIMEOUT = 10;
-
-    use \DigipolisGent\Robo\Task\Package\Commands\loadCommands;
-    use \DigipolisGent\Robo\Task\General\loadTasks;
-    use \DigipolisGent\Robo\Task\General\Common\DigipolisPropertiesAware;
-    use \Robo\Common\ConfigAwareTrait;
-    use \DigipolisGent\Robo\Task\Deploy\Commands\loadCommands;
-    use \DigipolisGent\Robo\Task\Deploy\Traits\SshTrait;
-    use \DigipolisGent\Robo\Task\Deploy\Traits\ScpTrait;
-    use \Robo\Task\Base\loadTasks;
+    use Traits\AbstractCommandTrait;
+    use Traits\AbstractDeployCommandTrait;
+    use Traits\AbstractSyncCommandTrait;
+    use Traits\AbstractSyncRemoteCommandTrait;
+    use Traits\DigipolisMirrorDirCommandTrait;
+    use Traits\DigipolisRealpathCommandTrait;
+    use Traits\DigipolisSwitchPreviousCommandTrait;
+    use Traits\DigipolisSyncLocalCommandTrait;
+    use Traits\RemoteRemoveReleaseTrait;
 
-    /**
-     * Stores the request time.
-     *
-     * @var int
-     */
-    protected $time;
+    const DEFAULT_TIMEOUT = 10;
 
     /**
      * File backup subdirs.
@@ -43,1383 +32,4 @@ abstract class AbstractRoboFile extends \Robo\Tasks implements DigipolisProperti
      * @var string[]
      */
     protected $excludeFromBackup = [];
-
-    /**
-     * Create a RoboFileBase instance.
-     */
-    public function __construct()
-    {
-        $this->time = time();
-    }
-
-    /**
-     * Execute code validation for this project.
-     */
-    abstract public function digipolisValidateCode();
-
-    /**
-     * Build a site and push it to the servers.
-     *
-     * @param array $arguments
-     *   Variable amount of arguments. The last argument is the path to the
-     *   the private key file (ssh), the penultimate is the ssh user. All
-     *   arguments before that are server IP's to deploy to.
-     * @param array $opts
-     *   The options for this task.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The deploy task.
-     */
-    protected function deployTask(
-        array $arguments,
-        $opts
-    ) {
-        // Define variables.
-        $opts += ['force-install' => false];
-        $privateKeyFile = array_pop($arguments);
-        $user = array_pop($arguments);
-        $servers = $arguments;
-        $worker = is_null($opts['worker']) ? reset($servers) : $opts['worker'];
-        $remote = $this->getRemoteSettings($servers, $user, $privateKeyFile, $opts['app']);
-        $releaseDir = $remote['releasesdir'] . '/' . $remote['time'];
-        $auth = new KeyFile($user, $privateKeyFile);
-        $archive = $remote['time'] . '.tar.gz';
-        $backupOpts = ['files' => false, 'data' => true];
-
-        $collection = $this->collectionBuilder();
-
-        // Build the archive to deploy.
-        $collection->addTask($this->buildTask($archive));
-
-        // Create a backup and a rollback task if a site is already installed.
-        if ($remote['createbackup'] && $this->isSiteInstalled($worker, $auth, $remote) && $this->currentReleaseHasRobo($worker, $auth, $remote)) {
-            // Create a backup.
-            $collection->addTask($this->backupTask($worker, $auth, $remote, $backupOpts));
-
-            // Create a rollback for this backup for when the deploy fails.
-            $collection->rollback(
-                $this->restoreBackupTask(
-                    $worker,
-                    $auth,
-                    $remote,
-                    $backupOpts
-                )
-            );
-        }
-
-        // Push the package to the servers and create the required symlinks.
-        foreach ($servers as $server) {
-            // Remove this release on rollback.
-            $collection->rollback($this->removeFailedRelease($server, $auth, $remote, $releaseDir));
-
-            // Push the package.
-            $collection->addTask($this->pushPackageTask($server, $auth, $remote, $archive));
-
-            // Add any tasks to execute before creating the symlinks.
-            $preSymlink = $this->preSymlinkTask($server, $auth, $remote);
-            if ($preSymlink) {
-                $collection->addTask($preSymlink);
-            }
-
-            // Switch the current symlink to the previous release on rollback.
-            $collection->rollback($this->switchPreviousTask($server, $auth, $remote));
-
-            // Create the symlinks.
-            $collection->addTask($this->symlinksTask($server, $auth, $remote));
-            $postSymlink = $this->postSymlinkTask($server, $auth, $remote);
-            if ($postSymlink) {
-                $collection->addTask($postSymlink);
-            }
-        }
-
-        // Initialize the site (update or install).
-        $collection->addTask($this->initRemoteTask($worker, $auth, $remote, $opts, $opts['force-install']));
-
-        // Clear OPcache if present.
-        if (isset($remote['opcache']) && (!array_key_exists('clear', $remote['opcache']) || $remote['opcache']['clear'])) {
-            foreach ($servers as $server) {
-                $collection->addTask($this->clearOpCacheTask($server, $auth, $remote));
-            }
-        }
-
-        // Clean release and backup dirs on the servers.
-        foreach ($servers as $server) {
-            $collection->completion($this->cleanDirsTask($server, $auth, $remote));
-        }
-
-        $clearCache = $this->clearCacheTask($worker, $auth, $remote);
-
-        // Clear the site's cache if required.
-        if ($clearCache) {
-            $collection->completion($clearCache);
-        }
-        return $collection;
-    }
-
-    protected function currentReleaseHasRobo($worker, AbstractAuth $auth, $remote)
-    {
-        $currentProjectRoot = $this->getCurrentProjectRoot($worker, $auth, $remote);
-        return $this->taskSsh($worker, $auth)
-            ->remoteDirectory($currentProjectRoot, true)
-            ->exec('ls vendor/bin/robo | grep robo')
-            ->run()
-            ->wasSuccessful();
-    }
-
-    public function getCurrentProjectRoot($worker, AbstractAuth $auth, $remote)
-    {
-        $fullOutput = '';
-        $this->taskSsh($worker, $auth)
-            ->remoteDirectory($remote['releasesdir'], true)
-            ->exec('ls -1 | sort -r | head -1', function ($output) use (&$fullOutput) {
-                $fullOutput .= $output;
-            })
-            ->run();
-        return $remote['releasesdir'] . '/' . substr($fullOutput, 0, (strpos($fullOutput, "\n") ?: strlen($fullOutput)));
-    }
-
-    /**
-     * Check if a site is already installed
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return bool
-     *   Whether or not the site is installed.
-     */
-    abstract protected function isSiteInstalled($worker, AbstractAuth $auth, $remote);
-
-    /**
-     * Clear cache of the site.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return bool|\Robo\Contract\TaskInterface
-     *   The clear cache task or false if no clear cache task exists.
-     */
-    protected function clearCacheTask($worker, $auth, $remote)
-    {
-        return false;
-    }
-
-    /**
-     * Switch the current release symlink to the previous release.
-     *
-     * @param string $releasesDir
-     *   Path to the folder containing all releases.
-     * @param string $currentSymlink
-     *   Path to the current release symlink.
-     */
-    public function digipolisSwitchPrevious($releasesDir, $currentSymlink)
-    {
-        $finder = new Finder();
-        // Get all releases.
-        $releases = iterator_to_array(
-            $finder
-                ->directories()
-                ->in($releasesDir)
-                ->sortByName()
-                ->depth(0)
-                ->getIterator()
-        );
-        // Last element is the current release.
-        array_pop($releases);
-        if ($releases) {
-            // Normalize the paths.
-            $currentDir = readlink($currentSymlink);
-            $releasesDir = realpath($releasesDir);
-            // Get the right folder within the release dir to symlink.
-            $relativeRootDir = substr($currentDir, strlen($releasesDir . '/'));
-            $parts = explode('/', $relativeRootDir);
-            array_shift($parts);
-            $relativeWebDir = implode('/', $parts);
-            $previous = end($releases)->getRealPath() . '/' . $relativeWebDir;
-            return $this->taskExec('ln -s -T -f ' . $previous . ' ' . $currentSymlink)
-                ->run();
-        }
-    }
-
-    /**
-     * @return FilesystemStack
-     */
-    protected function taskFilesystemStack()
-    {
-        return $this->task(FilesystemStack::class);
-    }
-
-    /**
-     * Mirror a directory.
-     *
-     * @param string $dir
-     *   Path of the directory to mirror.
-     * @param string $destination
-     *   Path of the directory where $dir should be mirrored.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The mirror dir task.
-     */
-    public function digipolisMirrorDir($dir, $destination)
-    {
-        if (!is_dir($dir)) {
-            return;
-        }
-        $task = $this->taskFilesystemStack();
-        $task->mkdir($destination);
-
-        $directoryIterator = new \RecursiveDirectoryIterator($dir, \RecursiveDirectoryIterator::SKIP_DOTS);
-        $recursiveIterator = new \RecursiveIteratorIterator($directoryIterator, \RecursiveIteratorIterator::SELF_FIRST);
-        foreach ($recursiveIterator as $item) {
-            $destinationFile = $destination . DIRECTORY_SEPARATOR . $recursiveIterator->getSubPathName();
-            if (file_exists($destinationFile)) {
-                continue;
-            }
-            if (is_link($item)) {
-                if ($item->getRealPath() !== false) {
-                    $task->symlink($item->getLinkTarget(), $destinationFile);
-                }
-                continue;
-            }
-            if ($item->isDir()) {
-                $task->mkdir($destinationFile);
-                continue;
-            }
-            $task->copy($item, $destinationFile);
-        }
-        return $task;
-    }
-
-    /**
-     * Build a site and package it.
-     *
-     * @param string $archivename
-     *   Name of the archive to create.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The deploy task.
-     */
-    protected function buildTask($archivename = null)
-    {
-        $this->readProperties();
-        $archive = is_null($archivename) ? $this->time . '.tar.gz' : $archivename;
-        $collection = $this->collectionBuilder();
-        $collection
-            ->taskPackageProject($archive);
-        return $collection;
-    }
-
-    /**
-     * Tasks to execute after creating the symlinks.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return bool|\Robo\Contract\TaskInterface
-     *   The postsymlink task, false if no post symlink tasks need to run.
-     */
-    protected function postSymlinkTask($worker, AbstractAuth $auth, $remote)
-    {
-        if (isset($remote['postsymlink_filechecks']) && $remote['postsymlink_filechecks']) {
-            $projectRoot = $remote['rootdir'];
-            $collection = $this->collectionBuilder();
-            $collection->taskSsh($worker, $auth)
-                ->remoteDirectory($projectRoot, true)
-                ->timeout($this->getTimeoutSetting('postsymlink_filechecks'));
-            foreach ($remote['postsymlink_filechecks'] as $file) {
-                // If this command fails, the collection will fail, which will
-                // trigger a rollback.
-                $builder = CommandBuilder::create('ls')
-                    ->addArgument($file)
-                    ->pipeOutputTo('grep')
-                    ->addArgument($file)
-                    ->onFailure(
-                        CommandBuilder::create('echo')
-                            ->addArgument('[ERROR] ' . $file . ' was not found.')
-                            ->onFinished('exit')
-                            ->addArgument('1')
-                    );
-                $collection->exec((string) $builder);
-            }
-            return $collection;
-        }
-        return false;
-    }
-
-    /**
-     * Tasks to execute before creating the symlinks.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return bool|\Robo\Contract\TaskInterface
-     *   The presymlink task, false if no pre symlink tasks need to run.
-     */
-    protected function preSymlinkTask($worker, AbstractAuth $auth, $remote)
-    {
-        $projectRoot = $remote['rootdir'];
-        $collection = $this->collectionBuilder();
-        $collection->taskSsh($worker, $auth)
-            ->remoteDirectory($projectRoot, true)
-            ->timeout($this->getTimeoutSetting('presymlink_mirror_dir'));
-        foreach ($remote['symlinks'] as $symlink) {
-            list($target, $link) = explode(':', $symlink);
-            if ($link === $remote['currentdir']) {
-                continue;
-            }
-            // If the link we're going to create is an existing directory,
-            // mirror that directory on the symlink target and then delete it
-            // before creating the symlink
-            $collection->exec('vendor/bin/robo digipolis:mirror-dir ' . $link . ' ' . $target);
-            $collection->exec('rm -rf ' . $link);
-        }
-        return $collection;
-    }
-
-    /**
-     * Install or update a remote site.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     * @param array $extra
-     *   Extra parameters to pass to site install.
-     * @param bool $force
-     *   Whether or not to force the install even when the site is present.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The init remote task.
-     */
-    protected function initRemoteTask($worker, AbstractAuth $auth, $remote, $extra = [], $force = false)
-    {
-        $collection = $this->collectionBuilder();
-        if (!$this->isSiteInstalled($worker, $auth, $remote) || $force) {
-            $this->say($force ? 'Forcing site install.' : 'Site status failed.');
-            $this->say('Triggering install script.');
-
-            $collection->addTask($this->installTask($worker, $auth, $remote, $extra, $force));
-            return $collection;
-        }
-        $collection->addTask($this->updateTask($worker, $auth, $remote, $extra));
-        return $collection;
-    }
-
-    /**
-     * Executes database updates of the site in the current folder.
-     *
-     * Executes database updates of the site in the current folder. Sets
-     * the site in maintenance mode before the update and takes in out of
-     * maintenance mode after.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The update task.
-     */
-    abstract protected function updateTask($worker, AbstractAuth $auth, $remote);
-
-    /**
-     * Install the site in the current folder.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     * @param bool $force
-     *   Whether or not to force the install even when the site is present.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The install task.
-     */
-    abstract protected function installTask($worker, AbstractAuth $auth, $remote, $extra = [], $force = false);
-
-    /**
-     * Sync the database and files between two sites.
-     *
-     * @param string $sourceUser
-     *   SSH user to connect to the source server.
-     * @param string $sourceHost
-     *   IP address of the source server.
-     * @param string $sourceKeyFile
-     *   Private key file to use to connect to the source server.
-     * @param string $destinationUser
-     *   SSH user to connect to the destination server.
-     * @param string $destinationHost
-     *   IP address of the destination server.
-     * @param string $destinationKeyFile
-     *   Private key file to use to connect to the destination server.
-     * @param string $sourceApp
-     *   The name of the source app we're syncing. Used to determine the
-     *   directory to sync.
-     * @param string $destinationApp
-     *   The name of the destination app we're syncing. Used to determine the
-     *   directory to sync to.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The sync task.
-     */
-    protected function syncTask(
-        $sourceUser,
-        $sourceHost,
-        $sourceKeyFile,
-        $destinationUser,
-        $destinationHost,
-        $destinationKeyFile,
-        $sourceApp = 'default',
-        $destinationApp = 'default',
-        $opts = ['files' => false, 'data' => false, 'rsync' => true]
-    ) {
-        if (!$opts['files'] && !$opts['data']) {
-            $opts['files'] = true;
-            $opts['data'] = true;
-        }
-
-        $opts['rsync'] = !isset($opts['rsync']) || $opts['rsync'];
-
-        $sourceRemote = $this->getRemoteSettings(
-            $sourceHost,
-            $sourceUser,
-            $sourceKeyFile,
-            $sourceApp
-        );
-        $sourceAuth = new KeyFile($sourceUser, $sourceKeyFile);
-
-        $destinationRemote = $this->getRemoteSettings(
-            $destinationHost,
-            $destinationUser,
-            $destinationKeyFile,
-            $destinationApp
-        );
-        $destinationAuth = new KeyFile($destinationUser, $destinationKeyFile);
-
-        $collection = $this->collectionBuilder();
-
-        if ($opts['files'] && $opts['rsync']) {
-            $opts['files'] = false;
-
-            $tmpKeyFile = '~/.ssh/' . uniqid('robo_', true) . '.id_rsa';
-
-            // Generate a temporary key.
-            $collection->addTask(
-                $this->taskExec('ssh-keygen -q -t rsa -b 4096 -N "" -f ' . $tmpKeyFile . ' -C "robo:' . md5($tmpKeyFile) . '"')
-            );
-
-            $collection->completion(
-                $this->taskExecStack()
-                    ->exec('rm -f ' . $tmpKeyFile . ' ' . $tmpKeyFile . '.pub')
-            );
-
-            // Install it on the destination host.
-            $collection->addTask(
-                $this->taskExec('cat ' . $tmpKeyFile . '.pub | ssh ' . $destinationUser . '@' . $destinationHost . ' -o StrictHostKeyChecking=no -i ' . $destinationKeyFile . ' "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys"')
-            );
-
-            $collection->completion(
-                $this->taskSsh($destinationHost, $destinationAuth)
-                    ->exec('sed -i "/robo:' . md5($tmpKeyFile) . '/d" ~/.ssh/authorized_keys')
-            );
-
-            $collection->addTask(
-                $this->taskRsync()
-                    ->rawArg('--rsh "ssh -o StrictHostKeyChecking=no -i `vendor/bin/robo digipolis:realpath ' . $sourceKeyFile . '`"')
-                    ->fromPath($tmpKeyFile)
-                    ->toHost($sourceHost)
-                    ->toUser($sourceUser)
-                    ->toPath('~/.ssh')
-                    ->archive()
-                    ->compress()
-                    ->checksum()
-                    ->wholeFile()
-            );
-
-            $collection->completion(
-                $this->taskSsh($sourceHost, $sourceAuth)
-                    ->exec('rm -f ' . $tmpKeyFile)
-            );
-
-            $dirs = ($this->fileBackupSubDirs ? $this->fileBackupSubDirs : ['']);
-
-            foreach ($dirs as $dir) {
-                $dir .= ($dir !== '' ? '/' : '');
-
-                $rsync = $this->taskRsync()
-                    ->rawArg('--rsh "ssh -o StrictHostKeyChecking=no -i `cd -P ' . $sourceRemote['currentdir'] . '/.. && vendor/bin/robo digipolis:realpath ' . $tmpKeyFile . '`"')
-                    ->fromPath($sourceRemote['filesdir'] . '/' . $dir)
-                    ->toHost($destinationHost)
-                    ->toUser($destinationUser)
-                    ->toPath($destinationRemote['filesdir'] . '/' . $dir)
-                    ->archive()
-                    ->delete()
-                    ->rawArg('--copy-links --keep-dirlinks')
-                    ->compress()
-                    ->checksum()
-                    ->wholeFile();
-
-                foreach ($this->excludeFromBackup as $exclude) {
-                    $rsync->exclude($exclude);
-                }
-
-                $collection->addTask(
-                    $this->taskSsh($sourceHost, $sourceAuth)
-                        ->timeout($this->getTimeoutSetting('synctask_rsync'))
-                        ->exec($rsync)
-                );
-            }
-        }
-
-        if ($opts['data'] || $opts['files']) {
-            // Create a backup.
-            $collection->addTask(
-                $this->backupTask(
-                    $sourceHost,
-                    $sourceAuth,
-                    $sourceRemote,
-                    $opts
-                )
-            );
-            // Sync the backup.
-            $collection->addTask(
-                $this->downloadBackupTask(
-                    $sourceHost,
-                    $sourceAuth,
-                    $sourceRemote,
-                    $opts
-                )
-            );
-            // Remove the backup from the source.
-            $collection->addTask(
-                $this->removeBackupTask(
-                    $sourceHost,
-                    $sourceAuth,
-                    $sourceRemote,
-                    $opts
-                )
-            );
-            // Upload the backup.
-            $collection->addTask(
-                $this->uploadBackupTask(
-                    $destinationHost,
-                    $destinationAuth,
-                    $destinationRemote,
-                    $opts
-                )
-            );
-            // Restore the backup.
-            $collection->addTask(
-                $this->restoreBackupTask(
-                    $destinationHost,
-                    $destinationAuth,
-                    $destinationRemote,
-                    $opts
-                )
-            );
-            // Remove the backup from the destination.
-            $collection->completion(
-                $this->removeBackupTask(
-                    $destinationHost,
-                    $destinationAuth,
-                    $destinationRemote,
-                    $opts
-                )
-            );
-
-            // Finally remove the local backups.
-            $dbBackupFile = $this->backupFileName('.sql.gz', $sourceRemote['time']);
-            $filesBackupFile = $opts['files'] ? $this->backupFileName('.tar.gz', $sourceRemote['time']) : '';
-
-            $collection->completion(
-                $this->taskExecStack()
-                    ->exec('rm -f ' . $dbBackupFile . ' ' . $filesBackupFile)
-            );
-        }
-
-        return $collection;
-    }
-
-    /**
-     * Create a backup of files (storage folder) and database.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The backup task.
-     */
-    protected function backupTask(
-        $worker,
-        AbstractAuth $auth,
-        $remote,
-        $opts = ['files' => false, 'data' => false]
-    ) {
-        if (!$opts['files'] && !$opts['data']) {
-            $opts['files'] = true;
-            $opts['data'] = true;
-        }
-        $backupDir = $remote['backupsdir'] . '/' . $remote['time'];
-        $currentProjectRoot = $this->getCurrentProjectRoot($worker, $auth, $remote);
-
-        $collection = $this->collectionBuilder();
-        $collection->taskSsh($worker, $auth)
-            ->exec('mkdir -p ' . $backupDir);
-
-        if ($opts['files']) {
-            $filesBackupFile = $this->backupFileName('.tar.gz');
-            $excludeFromBackup = '';
-            foreach ($this->excludeFromBackup as $exclude) {
-                $excludeFromBackup .= ' --exclude=' . $exclude;
-            }
-            $filesBackup = 'tar -pczhf ' . $backupDir . '/'  . $filesBackupFile
-                . ' -C ' . $remote['filesdir']
-                . $excludeFromBackup
-                . ' ' . ($this->fileBackupSubDirs ? implode(' ', $this->fileBackupSubDirs) : '*');
-            $collection->taskSsh($worker, $auth)
-                ->remoteDirectory($remote['filesdir'])
-                ->timeout($this->getTimeoutSetting('backup_files'))
-                ->exec($filesBackup);
-        }
-
-        if ($opts['data']) {
-            $dbBackupFile = $this->backupFileName('.sql');
-            $dbBackup = 'vendor/bin/robo digipolis:database-backup '
-                . '--destination=' . $backupDir . '/' . $dbBackupFile;
-            $collection->taskSsh($worker, $auth)
-                ->remoteDirectory($currentProjectRoot, true)
-                ->timeout($this->getTimeoutSetting('backup_database'))
-                ->exec($dbBackup);
-        }
-        return $collection;
-    }
-
-    /**
-     * Remove a backup.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The backup task.
-     */
-    protected function removeBackupTask(
-        $worker,
-        AbstractAuth $auth,
-        $remote,
-        $opts = ['files' => false, 'data' => false]
-    ) {
-        $backupDir = $remote['backupsdir'] . '/' . $remote['time'];
-
-        $collection = $this->collectionBuilder();
-        $collection->taskSsh($worker, $auth)
-            ->timeout($this->getTimeoutSetting('remove_backup'))
-            ->exec('rm -rf ' . $backupDir);
-
-        return $collection;
-    }
-
-    /**
-     * Restore a backup of files (storage folder) and database.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The restore backup task.
-     */
-    protected function restoreBackupTask(
-        $worker,
-        AbstractAuth $auth,
-        $remote,
-        $opts = ['files' => false, 'data' => false]
-    ) {
-        if (!$opts['files'] && !$opts['data']) {
-            $opts['files'] = true;
-            $opts['data'] = true;
-        }
-
-        $currentProjectRoot = $this->getCurrentProjectRoot($worker, $auth, $remote);
-        $backupDir = $remote['backupsdir'] . '/' . $remote['time'];
-
-        $collection = $this->collectionBuilder();
-
-        // Restore the files backup.
-        $preRestoreBackup = $this->preRestoreBackupTask($worker, $auth, $remote, $opts);
-        if ($preRestoreBackup) {
-            $collection->addTask($preRestoreBackup);
-        }
-
-        if ($opts['files']) {
-            $filesBackupFile =  $this->backupFileName('.tar.gz', $remote['time']);
-            $collection
-                ->taskSsh($worker, $auth)
-                    ->remoteDirectory($remote['filesdir'], true)
-                    ->timeout($this->getTimeoutSetting('restore_files_backup'))
-                    ->exec('tar -xkzf ' . $backupDir . '/' . $filesBackupFile);
-        }
-
-        // Restore the db backup.
-        if ($opts['data']) {
-            $dbBackupFile =  $this->backupFileName('.sql.gz', $remote['time']);
-            $dbRestore = 'vendor/bin/robo digipolis:database-restore '
-                . '--source=' . $backupDir . '/' . $dbBackupFile;
-            $collection
-                ->taskSsh($worker, $auth)
-                    ->remoteDirectory($currentProjectRoot, true)
-                    ->timeout($this->getTimeoutSetting('restore_db_backup'))
-                    ->exec($dbRestore);
-        }
-        return $collection;
-    }
-
-    /**
-     * Pre restore backup task.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return bool|\Robo\Contract\TaskInterface
-     *   The pre restore backup task, false if no pre restore backup tasks need
-     *   to run.
-     */
-    protected function preRestoreBackupTask(
-        $worker,
-        AbstractAuth $auth,
-        $remote,
-        $opts = ['files' => false, 'data' => false]
-    ) {
-        if (!$opts['files'] && !$opts['data']) {
-            $opts['files'] = true;
-            $opts['data'] = true;
-        }
-        if ($opts['files']) {
-            $removeFiles = 'rm -rf';
-            if (!$this->fileBackupSubDirs) {
-                $removeFiles .= ' ./* ./.??*';
-            }
-            foreach ($this->fileBackupSubDirs as $subdir) {
-                $removeFiles .= ' ' . $subdir . '/* ' . $subdir . '/.??*';
-            }
-
-            return $this->taskSsh($worker, $auth)
-                ->remoteDirectory($remote['filesdir'], true)
-                // Files dir can be pretty big on large sites.
-                ->timeout($this->getTimeoutSetting('pre_restore_remove_files'))
-                ->exec($removeFiles);
-        }
-
-        return false;
-    }
-
-    /**
-     * Download a backup of files (storage folder) and database.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The download backup task.
-     */
-    protected function downloadBackupTask(
-        $worker,
-        AbstractAuth $auth,
-        $remote,
-        $opts = ['files' => false, 'data' => false]
-    ) {
-        if (!$opts['files'] && !$opts['data']) {
-            $opts['files'] = true;
-            $opts['data'] = true;
-        }
-        $backupDir = $remote['backupsdir'] . '/' . $remote['time'];
-
-        $collection = $this->collectionBuilder();
-        $collection
-            ->taskScp($worker, $auth);
-
-        // Download files.
-        if ($opts['files']) {
-            $filesBackupFile = $this->backupFileName('.tar.gz', $remote['time']);
-            $collection->get($backupDir . '/' . $filesBackupFile, $filesBackupFile);
-        }
-
-        // Download data.
-        if ($opts['data']) {
-            $dbBackupFile = $this->backupFileName('.sql.gz', $remote['time']);
-            $collection->get($backupDir . '/' . $dbBackupFile, $dbBackupFile);
-        }
-        return $collection;
-    }
-
-    /**
-     * Upload a backup of files (storage folder) and database to a server.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The upload backup task.
-     */
-    protected function uploadBackupTask(
-        $worker,
-        AbstractAuth $auth,
-        $remote,
-        $opts = ['files' => false, 'data' => false]
-    ) {
-        if (!$opts['files'] && !$opts['data']) {
-            $opts['files'] = true;
-            $opts['data'] = true;
-        }
-        $backupDir = $remote['backupsdir'] . '/' . $remote['time'];
-        $dbBackupFile = $this->backupFileName('.sql.gz', $remote['time']);
-        $filesBackupFile = $this->backupFileName('.tar.gz', $remote['time']);
-
-        $collection = $this->collectionBuilder();
-        $collection
-            ->taskSsh($worker, $auth)
-                ->exec('mkdir -p ' . $backupDir)
-            ->taskScp($worker, $auth);
-        if ($opts['files']) {
-            $collection->put($backupDir . '/' . $filesBackupFile, $filesBackupFile);
-        }
-        if ($opts['data']) {
-            $collection->put($backupDir . '/' . $dbBackupFile, $dbBackupFile);
-        }
-        return $collection;
-    }
-
-    /**
-     * Push a package to the server.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     * @param string|null $archivename
-     *   The path to the package to push.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The push package task.
-     */
-    protected function pushPackageTask($worker, AbstractAuth $auth, $remote, $archivename = null)
-    {
-        $archive = is_null($archivename)
-            ? $remote['time'] . '.tar.gz'
-            : $archivename;
-        $releaseDir = $remote['releasesdir'] . '/' . $remote['time'];
-        $collection = $this->collectionBuilder();
-        $collection->taskPushPackage($worker, $auth)
-            ->destinationFolder($releaseDir)
-            ->package($archive);
-
-        $collection->taskSsh($worker, $auth)
-            ->remoteDirectory($releaseDir, true)
-            ->exec('chmod u+rx vendor/bin/robo');
-
-        return $collection;
-    }
-
-    /**
-     * Switch the current symlink to the previous release on the server.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The switch previous task.
-     */
-    protected function switchPreviousTask($worker, AbstractAuth $auth, $remote)
-    {
-        return $this->taskSsh($worker, $auth)
-            ->remoteDirectory($this->getCurrentProjectRoot($worker, $auth, $remote), true)
-            ->exec(
-                'vendor/bin/robo digipolis:switch-previous '
-                . $remote['releasesdir']
-                . ' ' . $remote['currentdir']
-            );
-    }
-
-    /**
-     * Remove a failed release from the server.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     * @param string|null $releaseDirname
-     *   The path of the release dir to remove.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The remove release task.
-     */
-    protected function removeFailedRelease($worker, AbstractAuth $auth, $remote, $releaseDirname = null)
-    {
-        $releaseDir = is_null($releaseDirname)
-            ? $remote['releasesdir'] . '/' . $remote['time']
-            : $releaseDirname;
-        return $this->taskSsh($worker, $auth)
-            ->remoteDirectory($remote['rootdir'], true)
-            ->exec('chown -R ' . $remote['user'] . ':' . $remote['user'] . ' ' . $releaseDir)
-            ->exec('chmod -R a+rwx ' . $releaseDir)
-            ->exec('rm -rf ' . $releaseDir);
-    }
-
-    /**
-     * Create all required symlinks on the server.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The symlink task.
-     */
-    protected function symlinksTask($worker, AbstractAuth $auth, $remote)
-    {
-        $collection = $this->collectionBuilder();
-        foreach ($remote['symlinks'] as $link) {
-            $collection->taskSsh($worker, $auth)
-                ->exec('ln -s -T -f ' . str_replace(':', ' ', $link));
-        }
-        return $collection;
-    }
-
-    /**
-     * Clear OPcache on the server.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The clear OPcache task.
-     */
-    protected function clearOpCacheTask($worker, AbstractAuth $auth, $remote)
-    {
-        $clearOpcache = 'vendor/bin/robo digipolis:clear-op-cache ' . $remote['opcache']['env'];
-        if (isset($remote['opcache']['host'])) {
-            $clearOpcache .= ' --host=' . $remote['opcache']['host'];
-        }
-        return $this->taskSsh($worker, $auth)
-            ->remoteDirectory($remote['rootdir'], true)
-            ->exec($clearOpcache);
-    }
-
-    /**
-     * Clean the release and backup directories on the server.
-     *
-     * @param string $worker
-     *   The server to install the site on.
-     * @param \DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth $auth
-     *   The ssh authentication to connect to the server.
-     * @param array $remote
-     *   The remote settings for this server.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The clean directories task.
-     */
-    protected function cleanDirsTask($worker, AbstractAuth $auth, $remote)
-    {
-        $cleandirLimit = isset($remote['cleandir_limit']) ? max(1, $remote['cleandir_limit']) : '';
-
-        $task = $this->taskSsh($worker, $auth)
-            ->remoteDirectory($remote['rootdir'], true)
-            ->timeout($this->getTimeoutSetting('clean_dir'))
-            // Keep one more release than the clean_dir setting, we would like
-            // to keep `clean_dir` amount of releases, *not* counting the
-            // current one.
-            ->exec('vendor/bin/robo digipolis:clean-dir ' . $remote['releasesdir'] . ($cleandirLimit ? ':' . ($cleandirLimit + 1) : ''));
-
-        if ($remote['createbackup']) {
-            $task->exec('vendor/bin/robo digipolis:clean-dir ' . $remote['backupsdir'] . ($cleandirLimit ? ':' . $cleandirLimit : ''));
-        }
-
-        return $task;
-    }
-
-    /**
-     * Sync the database and files to your local environment.
-     *
-     * @param string $user
-     *   SSH user to connect to the source server.
-     * @param string $host
-     *   IP address of the source server.
-     * @param string $keyFile
-     *   Private key file to use to connect to the source server.
-     * @param array $opts
-     *   Command options
-     *
-     * @option app The name of the app we're syncing.
-     * @option files Sync only files.
-     * @option data Sync only the database.
-     * @option rsync Sync the files via rsync.
-     *
-     * @return \Robo\Contract\TaskInterface
-     *   The sync task.
-     */
-    public function digipolisSyncLocal(
-        $host,
-        $user,
-        $keyFile,
-        $opts = [
-            'app' => 'default',
-            'files' => false,
-            'data' => false,
-            'rsync' => true,
-        ]
-    ) {
-        if (!$opts['files'] && !$opts['data']) {
-            $opts['files'] = true;
-            $opts['data'] = true;
-        }
-
-        $opts['rsync'] = !isset($opts['rsync']) || $opts['rsync'];
-
-        $remote = $this->getRemoteSettings($host, $user, $keyFile, $opts['app']);
-        $local = $this->getLocalSettings($opts['app']);
-        $auth = new KeyFile($user, $keyFile);
-        $collection = $this->collectionBuilder();
-
-        if ($opts['files']) {
-            $collection
-                ->taskExecStack()
-                    ->exec('chown -R $USER ' . dirname($local['filesdir']))
-                    ->exec('chmod -R u+w ' . dirname($local['filesdir']));
-
-            if ($opts['rsync']) {
-                $opts['files'] = false;
-
-                $dirs = ($this->fileBackupSubDirs ? $this->fileBackupSubDirs : ['']);
-
-                foreach ($dirs as $dir) {
-                    $dir .= ($dir !== '' ? '/' : '');
-
-                    $rsync = $this->taskRsync()
-                        ->rawArg('--rsh "ssh -o StrictHostKeyChecking=no -i `vendor/bin/robo digipolis:realpath ' . $keyFile . '`"')
-                        ->fromHost($host)
-                        ->fromUser($user)
-                        ->fromPath($remote['filesdir'] . '/' . $dir)
-                        ->toPath($local['filesdir'] . '/' . $dir)
-                        ->archive()
-                        ->delete()
-                        ->rawArg('--copy-links --keep-dirlinks')
-                        ->compress()
-                        ->checksum()
-                        ->wholeFile();
-
-                    foreach ($this->excludeFromBackup as $exclude) {
-                        $rsync->exclude($exclude);
-                    }
-
-                    $collection->addTask($rsync);
-                }
-            }
-        }
-
-        if ($opts['data'] || $opts['files']) {
-            // Create a backup.
-            $collection->addTask(
-                $this->backupTask(
-                    $host,
-                    $auth,
-                    $remote,
-                    $opts
-                )
-            );
-            // Download the backup.
-            $collection->addTask(
-                $this->downloadBackupTask(
-                    $host,
-                    $auth,
-                    $remote,
-                    $opts
-                )
-            );
-        }
-
-        if ($opts['files']) {
-            // Restore the files backup.
-            $filesBackupFile =  $this->backupFileName('.tar.gz', $remote['time']);
-            $collection
-                ->exec('rm -rf ' . $local['filesdir'] . '/* ' . $local['filesdir'] . '/.??*')
-                ->exec('tar -xkzf ' . $filesBackupFile . ' -C ' . $local['filesdir'])
-                ->exec('rm -f ' . $filesBackupFile);
-        }
-
-        if ($opts['data']) {
-            // Restore the db backup.
-            $dbBackupFile =  $this->backupFileName('.sql.gz', $remote['time']);
-            $dbRestore = 'vendor/bin/robo digipolis:database-restore '
-                . '--source=' . $dbBackupFile;
-            $cwd = getcwd();
-
-            $collection->taskExecStack();
-            $collection->exec('cd ' . $this->getConfig()->get('digipolis.root.project') . ' && ' . $dbRestore);
-            $collection->exec('cd ' . $cwd . ' && rm -f ' . $dbBackupFile);
-        }
-
-        return $collection;
-    }
-
-    /**
-     * Helper functions to replace tokens in an array.
-     *
-     * @param string|array $input
-     *   The array or string containing the tokens to replace.
-     * @param array $replacements
-     *   The token replacements.
-     *
-     * @return string|array
-     *   The input with the tokens replaced with their values.
-     */
-    protected function tokenReplace($input, $replacements)
-    {
-        if (is_string($input)) {
-            return strtr($input, $replacements);
-        }
-        if (is_scalar($input) || empty($input)) {
-            return $input;
-        }
-        foreach ($input as &$i) {
-            $i = $this->tokenReplace($i, $replacements);
-        }
-        return $input;
-    }
-
-    /**
-     * Generate a backup filename based on the given time.
-     *
-     * @param string $extension
-     *   The extension to append to the filename. Must include leading dot.
-     * @param int|null $timestamp
-     *   The timestamp to generate the backup name from. Defaults to the request
-     *   time.
-     *
-     * @return string
-     *   The generated filename.
-     */
-    protected function backupFileName($extension, $timestamp = null)
-    {
-        if (is_null($timestamp)) {
-            $timestamp = $this->time;
-        }
-        return $timestamp . '_' . date('Y_m_d_H_i_s', $timestamp) . $extension;
-    }
-
-    /**
-     * Get the settings from the 'remote' config key, with the tokens replaced.
-     *
-     * @param string $host
-     *   The IP address of the server to get the settings for.
-     * @param string $user
-     *   The SSH user used to connect to the server.
-     * @param string $keyFile
-     *   The path to the private key file used to connect to the server.
-     * @param string $app
-     *   The name of the app these settings apply to.
-     * @param string|null $timestamp
-     *   The timestamp to use. Defaults to the request time.
-     *
-     * @return array
-     *   The settings for this server and app.
-     */
-    protected function getRemoteSettings($host, $user, $keyFile, $app, $timestamp = null)
-    {
-        $this->readProperties();
-        $defaults = [
-            'user' => $user,
-            'private-key' => $keyFile,
-            'app' => $app,
-            'createbackup' => true,
-            'time' => is_null($timestamp) ? $this->time : $timestamp,
-        ];
-
-        // Set up destination config.
-        $replacements = array(
-            '[user]' => $user,
-            '[private-key]' => $keyFile,
-            '[app]' => $app,
-            '[time]' => is_null($timestamp) ? $this->time : $timestamp,
-        );
-        if (is_string($host)) {
-            $replacements['[server]'] = $host;
-            $defaults['server'] = $host;
-        }
-        if (is_array($host)) {
-            foreach ($host as $key => $server) {
-                $replacements['[server-' . $key . ']'] = $server;
-                $defaults['server-' . $key] = $server;
-            }
-        }
-        return $this->tokenReplace($this->getConfig()->get('remote'), $replacements) + $defaults;
-    }
-
-    /**
-     * Get the settings from the 'local' config key, with the tokens replaced.
-     *
-     * @param string $app
-     *   The name of the app these settings apply to.
-     * @param string|null $timestamp
-     *   The timestamp to use. Defaults to the request time.
-     *
-     * @return array
-     *   The settings for the local environment and app.
-     */
-    protected function getLocalSettings($app = null, $timestamp = null)
-    {
-        $this->readProperties();
-        $defaults = [
-            'app' => $app,
-            'time' => is_null($timestamp) ? $this->time : $timestamp,
-            'project_root' => $this->getConfig()->get('digipolis.root.project'),
-            'web_root' => $this->getConfig()->get('digipolis.root.web'),
-        ];
-
-        // Set up destination config.
-        $replacements = array(
-            '[project_root]' => $this->getConfig()->get('digipolis.root.project'),
-            '[web_root]' => $this->getConfig()->get('digipolis.root.web'),
-            '[app]' => $app,
-            '[time]' => is_null($timestamp) ? $this->time : $timestamp,
-        );
-        return $this->tokenReplace($this->getConfig()->get('local'), $replacements) + $defaults;
-    }
-
-    /**
-     * Timeouts can be overwritten in properties.yml under the `timeout` key.
-     *
-     * @param string $setting
-     *
-     * @return int
-     */
-    protected function getTimeoutSetting($setting)
-    {
-        $timeoutSettings = $this->getTimeoutSettings();
-        return isset($timeoutSettings[$setting]) ? $timeoutSettings[$setting] : static::DEFAULT_TIMEOUT;
-    }
-
-    protected function getTimeoutSettings()
-    {
-        $this->readProperties();
-        return $this->getConfig()->get('timeouts', []) + $this->getDefaultTimeoutSettings();
-    }
-
-    protected function getDefaultTimeoutSettings()
-    {
-        return [
-            'presymlink_mirror_dir' => 60,
-            'synctask_rsync' => 1800,
-            'backup_files' => 300,
-            'backup_database' => 300,
-            'remove_backup' => 300,
-            'restore_files_backup' => 300,
-            'restore_db_backup' => 60,
-            'pre_restore_remove_files' => 300,
-            'clean_dir' => 30,
-        ];
-    }
-
-    public function digipolisRealpath($path) {
-        return $this->realpath($path);
-    }
-
-    /**
-     * PHP's realpath can't handle tilde (~), so we have to write a wrapper
-     * for it.
-     */
-    protected function realpath($path)
-    {
-        $realpath = $path;
-        if (strpos($realpath, '~') === 0 && ($homedir = $this->getUserHomeDir())) {
-            $realpath = $homedir . substr($realpath, 1);
-        }
-        $realpath = realpath($realpath);
-
-        if ($realpath === false) {
-            throw new \Exception(sprintf('Could not determine real path of %s.', $path));
-        }
-
-        return $realpath;
-    }
-
-    /**
-     * Get the home directory for the current user.
-     */
-    protected function getUserHomeDir()
-    {
-        // getenv('HOME') isn't set on Windows.
-        $home = getenv('HOME');
-        if (!empty($home)) {
-            // home should never end with a trailing slash.
-            return rtrim($home, '/');
-        }
-        if (!empty($_SERVER['HOMEDRIVE']) && !empty($_SERVER['HOMEPATH'])) {
-            // home on windows
-            $home = $_SERVER['HOMEDRIVE'] . $_SERVER['HOMEPATH'];
-            // If HOMEPATH is a root directory the path can end with a slash.
-            // Make sure that doesn't happen.
-            return rtrim($home, '\\/');
-        }
-
-        throw new \Exception('Could not determine the current user\'s home directory.');
-    }
 }
diff --git a/src/Robo/Plugins/Tasks/Remote.php b/src/Robo/Plugins/Tasks/Remote.php
new file mode 100644
index 0000000..5250afc
--- /dev/null
+++ b/src/Robo/Plugins/Tasks/Remote.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+use Robo\Contract\BuilderAwareInterface;
+use Robo\Task\BaseTask;
+
+abstract class Remote extends BaseTask implements BuilderAwareInterface
+{
+    use \Robo\Common\BuilderAwareTrait;
+    /**
+     * The SSH host.
+     *
+     * @var string
+     */
+    protected $host;
+
+    /**
+     * Authentication for the ssh host.
+     *
+     * @var AbstractAuth
+     */
+    protected $auth;
+
+    /**
+     * SSH timeout in seconds.
+     *
+     * @var int
+     */
+    protected $timeout = 60;
+
+    /**
+     * Working directory for the ssh command.
+     *
+     * @var string
+     */
+    protected $cwd;
+
+    /**
+     * Creates a new Remote task.
+     *
+     * @param string $host
+     *   The host to create the backup on.
+     * @param AbstractAuth $auth
+     *   The authentication to use to connect to the host.
+     * @param string $cwd
+     *   The working directory to execute the commands in.
+     */
+    public function __construct($host, AbstractAuth $auth, $cwd)
+    {
+        $this->host = $host;
+        $this->auth = $auth;
+        $this->cwd = $cwd;
+    }
+
+    /**
+     * The timeout in seconds.
+     *
+     * @param int $timeout
+     *
+     * @return $this
+     */
+    public function timeout($timeout)
+    {
+        $this->timeout = $timeout;
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function run()
+    {
+        return $this->collectionBuilder()->taskSsh($this->host, $this->auth)
+            ->remoteDirectory($this->cwd, true)
+            ->timeout($this->timeout)
+            ->exec((string) $this->getCommand())
+            ->run();
+    }
+
+    /**
+     * Get the command to run the backup over ssh.
+     *
+     * @return CommandBuilder
+     */
+    abstract protected function getCommand(): CommandBuilder;
+}
diff --git a/src/Robo/Plugins/Tasks/RemoteBackup.php b/src/Robo/Plugins/Tasks/RemoteBackup.php
new file mode 100644
index 0000000..ab51f67
--- /dev/null
+++ b/src/Robo/Plugins/Tasks/RemoteBackup.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use DigipolisGent\Robo\Task\Deploy\Ssh;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+
+abstract class RemoteBackup extends Remote
+{
+    /**
+     * Directory to save the backup in.
+     *
+     * @var string
+     */
+    protected $backupDir;
+
+    /**
+     * Name of the backup file.
+     *
+     * @var string
+     */
+    protected $backupFile;
+
+    /**
+     * Creates a new RemoteBackup task.
+     *
+     * @param string $host
+     *   The host to create the backup on.
+     * @param AbstractAuth $auth
+     *   The authentication to use to connect to the host.
+     * @param string $backupDir
+     *   The directory to save the backup to (on the remote host).
+     * @param string $cwd
+     *   The working directory to execute the commands in.
+     */
+    public function __construct($host, AbstractAuth $auth, $backupDir, $cwd)
+    {
+        parent::__construct($host, $auth, $cwd);
+        $this->backupDir = $backupDir;
+    }
+
+    /**
+     * Set the backup file name.
+     *
+     * @param string $backupFile
+     *
+     * @return $this
+     */
+    public function backupFile($backupFile = 'backup.tar.gz')
+    {
+        $this->backupFile = $backupFile;
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function run()
+    {
+        $command = CommandBuilder::create('mkdir')
+            ->addFlag('p')
+            ->addArgument($this->backupDir)
+            ->onSuccess($this->getCommand());
+
+        return (new Ssh($this->host, $this->auth))
+            ->remoteDirectory($this->cwd)
+            ->timeout($this->timeout)
+            ->exec((string) $command)
+            ->run();
+    }
+}
diff --git a/src/Robo/Plugins/Tasks/RemoteCleanDirs.php b/src/Robo/Plugins/Tasks/RemoteCleanDirs.php
new file mode 100644
index 0000000..a674646
--- /dev/null
+++ b/src/Robo/Plugins/Tasks/RemoteCleanDirs.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+
+class RemoteCleanDirs extends Remote
+{
+    protected $directory;
+
+    protected $limit;
+
+    public function __construct($host, AbstractAuth $auth, $cwd, $directory, $limit = false)
+    {
+        parent::__construct($host, $auth, $cwd);
+        $this->directory = $directory;
+        $this->limit = $limit;
+    }
+
+    /**
+     * Get the command to run the backup over ssh.
+     *
+     * @return CommandBuilder
+     */
+    protected function getCommand(): CommandBuilder
+    {
+        return CommandBuilder::create('vendor/bin/robo digipolis:clean-dir')
+            ->addArgument($this->directory . ($this->limit ? ':' . ($this->limit + 1) : ''));
+    }
+}
diff --git a/src/Robo/Plugins/Tasks/RemoteDatabaseBackup.php b/src/Robo/Plugins/Tasks/RemoteDatabaseBackup.php
new file mode 100644
index 0000000..e2885ea
--- /dev/null
+++ b/src/Robo/Plugins/Tasks/RemoteDatabaseBackup.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+
+class RemoteDatabaseBackup extends RemoteBackup
+{
+    /**
+     * Name of the backup file.
+     *
+     * @var string
+     */
+    protected $backupFile = 'backup.sql';
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCommand(): CommandBuilder
+    {
+        return CommandBuilder::create('vendor/bin/robo digipolis:database-backup')
+            ->addOption('destination', $this->backupDir . DIRECTORY_SEPARATOR . $this->backupFile);
+    }
+}
diff --git a/src/Robo/Plugins/Tasks/RemoteFilesBackup.php b/src/Robo/Plugins/Tasks/RemoteFilesBackup.php
new file mode 100644
index 0000000..743e8bb
--- /dev/null
+++ b/src/Robo/Plugins/Tasks/RemoteFilesBackup.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+
+class RemoteFilesBackup extends RemoteBackup
+{
+    /**
+     * Name of the backup file.
+     *
+     * @var string
+     */
+    protected $backupFile = 'backup.tar.gz';
+
+    /**
+     * Files or directories to exclude from the backup.
+     *
+     * @var string[]
+     */
+    protected $excludeFromBackup = [];
+
+    /**
+     * File backup subdirs.
+     *
+     * @var string[]
+     */
+    protected $fileBackupSubDirs = [];
+
+    /**
+     * Exclude files or folders form the backup.
+     *
+     * @param array $excludeFromBackup
+     *
+     * @return $this
+     */
+    public function excludeFromBackup($excludeFromBackup = [])
+    {
+        $this->excludeFromBackup = $excludeFromBackup;
+        return $this;
+    }
+
+    /**
+     * The subdirectories of the filesdir that need to be backed up.
+     *
+     * @param array $fileBackupSubDirs
+     *
+     * @return $this
+     */
+    public function backupSubDirs($fileBackupSubDirs = [])
+    {
+        $this->backupSubDirs = $fileBackupSubDirs;
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCommand(): CommandBuilder
+    {
+        $command = CommandBuilder::create('tar')
+            ->addFlag('pczh')
+            ->addFlag('f', $this->backupDir . DIRECTORY_SEPARATOR . $this->backupFile)
+            ->addFlag('C', $this->cwd);
+        foreach ($this->excludeFromBackup as $exclude) {
+            $command->addOption('exclude', $exclude);
+        }
+        $arguments = $this->fileBackupSubDirs ?: ['*'];
+        foreach ($arguments as $argument) {
+            $command->addArgument($argument);
+        }
+
+        return $command;
+
+    }
+}
diff --git a/src/Robo/Plugins/Tasks/RemoteRemoveRelease.php b/src/Robo/Plugins/Tasks/RemoteRemoveRelease.php
new file mode 100644
index 0000000..c4064d0
--- /dev/null
+++ b/src/Robo/Plugins/Tasks/RemoteRemoveRelease.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+
+class RemoteRemoveRelease extends Remote
+{
+    protected $releaseDirectory;
+
+    /**
+     * Creates a new Remote task.
+     *
+     * @param string $host
+     *   The host to create the backup on.
+     * @param AbstractAuth $auth
+     *   The authentication to use to connect to the host.
+     * @param string $cwd
+     *   The working directory to execute the commands in.
+     * @param string $releaseDirectory
+     *   The release directory to remove.
+     */
+    public function __construct($host, AbstractAuth $auth, $cwd, $releaseDirectory)
+    {
+        parent::__construct($host, $auth, $cwd);
+        $this->releaseDirectory = $releaseDirectory;
+    }
+
+    /**
+     * Get the command to run the backup over ssh.
+     *
+     * @return CommandBuilder
+     */
+    protected function getCommand(): CommandBuilder
+    {
+        return CommandBuilder::create('chown')
+            ->addFlag('R')
+            ->addArgument($this->auth->getUser() . ':' . $this->auth->getUser())
+            ->addArgument($this->releaseDirectory)
+            ->onSuccess(CommandBuilder::create('chmod')
+                ->addFlag('R')
+                ->addArgument('a+rwx')
+                ->addArgument($this->releaseDirectory)
+                ->onSuccess(CommandBuilder::create('rm')
+                    ->addFlag('rf')
+                    ->addArgument($this->releaseDirectory)
+                )
+            );
+    }
+}
diff --git a/src/Robo/Plugins/Tasks/RemoteSwitchPrevious.php b/src/Robo/Plugins/Tasks/RemoteSwitchPrevious.php
new file mode 100644
index 0000000..098b548
--- /dev/null
+++ b/src/Robo/Plugins/Tasks/RemoteSwitchPrevious.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+
+class RemoteSwitchPrevious extends Remote
+{
+    /**
+     * The releases directory.
+     *
+     * @var string
+     */
+    protected $releasesDir;
+
+    /**
+     * The current release directory.
+     *
+     * @var string
+     */
+    protected $currentSymlink;
+
+    /**
+     * Creates a new RemoteSwitchPrevious task.
+     *
+     * @param string $host
+     *   The host to create the backup on.
+     * @param AbstractAuth $auth
+     *   The authentication to use to connect to the host.
+     * @param string $cwd
+     *   The working directory to execute the commands in.
+     * @param string $releasesDir
+     *   The releases directory.
+     * @param string $currentSymlink
+     *   The current release directory.
+     */
+    public function __construct($host, AbstractAuth $auth, $cwd, $releasesDir, $currentSymlink)
+    {
+        parent::__construct($host, $auth, $cwd);
+        $this->releasesDir = $releasesDir;
+        $this->currentSymlink = $currentSymlink;
+    }
+
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getCommand(): CommandBuilder
+    {
+        return CommandBuilder::create('vendor/bin/robo digipolis:switch-previous')
+            ->addArgument($this->releasesDir)
+            ->addArgument($this->currentSymlink);
+
+    }
+}
diff --git a/src/Robo/Plugins/Tasks/SwitchPrevious.php b/src/Robo/Plugins/Tasks/SwitchPrevious.php
new file mode 100644
index 0000000..112bc68
--- /dev/null
+++ b/src/Robo/Plugins/Tasks/SwitchPrevious.php
@@ -0,0 +1,94 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use Robo\Contract\BuilderAwareInterface;
+use Robo\Result;
+use Robo\Task\BaseTask;
+use Symfony\Component\Finder\Finder;
+
+class SwitchPrevious extends BaseTask implements BuilderAwareInterface
+{
+    use \Robo\Common\BuilderAwareTrait;
+    /**
+     * The releases directory.
+     *
+     * @var string
+     */
+    protected $releasesDir;
+
+    /**
+     * The current release directory.
+     *
+     * @var string
+     */
+    protected $currentSymlink;
+
+    /**
+     * Creates a new SwitchPrevious task.
+     *
+     * @param string $releasesDir
+     *   The releases directory.
+     * @param string $currentSymlink
+     *   The current release directory.
+     */
+    public function __construct($releasesDir, $currentSymlink)
+    {
+        $this->releasesDir = $releasesDir;
+        $this->currentSymlink = $currentSymlink;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function run()
+    {
+        $finder = new Finder();
+        // Get all releases.
+        $releases = iterator_to_array(
+            $finder
+                ->directories()
+                ->in($this->releasesDir)
+                ->sortByName()
+                ->depth(0)
+                ->getIterator()
+        );
+        // Last element is the current release.
+        array_pop($releases);
+        if ($releases) {
+            // Normalize the paths.
+            $currentDir = readlink($this->currentSymlink);
+            $releasesDir = realpath($this->releasesDir);
+            // Get the right folder within the release dir to symlink.
+            // The current directory will look something like
+            // $releasesDir/[releasenumber]/[webroot]. It's possible that
+            // [webroot] is empty (meaning the webroot is the same as the
+            // project root, but the code below takes that into account. We
+            // first strip off $releasesDir/, so [releasenumber]/[webroot]
+            // remains.
+            $relativeRootDir = substr($currentDir, strlen($releasesDir . '/'));
+            // We explode the path in to parts, shift off [releasenumber] so
+            // that [webroot] (== the relative path to the web directory, might
+            // be an empty string) remains.
+            $parts = explode('/', $relativeRootDir);
+            array_shift($parts);
+            $relativeWebDir = implode('/', $parts);
+            // We find the previous release path and append the relative web
+            // directory to it, to find the target for our new symlink.
+            $previous = end($releases)->getRealPath() . '/' . $relativeWebDir;
+            return (
+                $this->collectionBuilder()->taskExec(
+                    (string) CommandBuilder::create('ln')
+                        ->addFlag('s')
+                        ->addFlag('T')
+                        ->addFlag('f')
+                        ->addArgument($previous)
+                        ->addArgument($this->currentSymlink)
+                )
+            )
+            ->run();
+        }
+        return Result::success($this);
+    }
+}
diff --git a/src/Traits/AbstractCommandTrait.php b/src/Traits/AbstractCommandTrait.php
new file mode 100644
index 0000000..0862613
--- /dev/null
+++ b/src/Traits/AbstractCommandTrait.php
@@ -0,0 +1,415 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+use Robo\Task\Remote\Rsync;
+
+trait AbstractCommandTrait
+{
+    use \DigipolisGent\Robo\Task\General\Common\DigipolisPropertiesAware;
+    use \Consolidation\Config\ConfigAwareTrait;
+    use \DigipolisGent\Robo\Task\General\loadTasks;
+    use \DigipolisGent\Robo\Task\Deploy\Traits\SshTrait;
+    use \DigipolisGent\Robo\Task\Deploy\Traits\ScpTrait;
+    use \DigipolisGent\Robo\Helpers\Traits\loadTasks;
+    use \Robo\Task\Base\loadTasks;
+    use TraitDependencyCheckerTrait;
+
+    /**
+     * Stores the request time.
+     *
+     * @var int
+     */
+    protected $time;
+
+    /**
+     * Create a RoboFileBase instance.
+     */
+    public function __construct()
+    {
+        $this->time = time();
+        $this->checkTraitDependencies();
+    }
+
+    /**
+     * @return Rsync
+     */
+    protected function taskRsync()
+    {
+        return $this->task(Rsync::class);
+    }
+
+    /**
+     * Get the settings from the 'remote' config key, with the tokens replaced.
+     *
+     * @param string $host
+     *   The IP address of the server to get the settings for.
+     * @param string $user
+     *   The SSH user used to connect to the server.
+     * @param string $keyFile
+     *   The path to the private key file used to connect to the server.
+     * @param string $app
+     *   The name of the app these settings apply to.
+     * @param string|null $timestamp
+     *   The timestamp to use. Defaults to the request time.
+     *
+     * @return array
+     *   The settings for this server and app.
+     */
+    protected function getRemoteSettings($host, $user, $keyFile, $app, $timestamp = null)
+    {
+        $this->readProperties();
+        $defaults = [
+            'user' => $user,
+            'private-key' => $keyFile,
+            'app' => $app,
+            'createbackup' => true,
+            'time' => is_null($timestamp) ? $this->time : $timestamp,
+        ];
+
+        // Set up destination config.
+        $replacements = array(
+            '[user]' => $user,
+            '[private-key]' => $keyFile,
+            '[app]' => $app,
+            '[time]' => is_null($timestamp) ? $this->time : $timestamp,
+        );
+        if (is_string($host)) {
+            $replacements['[server]'] = $host;
+            $defaults['server'] = $host;
+        }
+        if (is_array($host)) {
+            foreach ($host as $key => $server) {
+                $replacements['[server-' . $key . ']'] = $server;
+                $defaults['server-' . $key] = $server;
+            }
+        }
+        return $this->tokenReplace($this->getConfig()->get('remote'), $replacements) + $defaults;
+    }
+
+
+    /**
+     * Get the settings from the 'local' config key, with the tokens replaced.
+     *
+     * @param string $app
+     *   The name of the app these settings apply to.
+     * @param string|null $timestamp
+     *   The timestamp to use. Defaults to the request time.
+     *
+     * @return array
+     *   The settings for the local environment and app.
+     */
+    protected function getLocalSettings($app = null, $timestamp = null)
+    {
+        $this->readProperties();
+        $defaults = [
+            'app' => $app,
+            'time' => is_null($timestamp) ? $this->time : $timestamp,
+            'project_root' => $this->getConfig()->get('digipolis.root.project'),
+            'web_root' => $this->getConfig()->get('digipolis.root.web'),
+        ];
+
+        // Set up destination config.
+        $replacements = array(
+            '[project_root]' => $this->getConfig()->get('digipolis.root.project'),
+            '[web_root]' => $this->getConfig()->get('digipolis.root.web'),
+            '[app]' => $app,
+            '[time]' => is_null($timestamp) ? $this->time : $timestamp,
+        );
+        return $this->tokenReplace($this->getConfig()->get('local'), $replacements) + $defaults;
+    }
+
+    /**
+     * Helper functions to replace tokens in an array.
+     *
+     * @param string|array $input
+     *   The array or string containing the tokens to replace.
+     * @param array $replacements
+     *   The token replacements.
+     *
+     * @return string|array
+     *   The input with the tokens replaced with their values.
+     */
+    protected function tokenReplace($input, $replacements)
+    {
+        if (is_string($input)) {
+            return strtr($input, $replacements);
+        }
+        if (is_scalar($input) || empty($input)) {
+            return $input;
+        }
+        foreach ($input as &$i) {
+            $i = $this->tokenReplace($i, $replacements);
+        }
+        return $input;
+    }
+
+    protected function getCurrentProjectRoot($worker, AbstractAuth $auth, $remote)
+    {
+        $fullOutput = '';
+        $this->taskSsh($worker, $auth)
+            ->remoteDirectory($remote['releasesdir'], true)
+            ->exec(
+                (string) CommandBuilder::create('ls')
+                    ->addFlag('1')
+                    ->pipeOutputTo(
+                        CommandBuilder::create('sort')
+                            ->addFlag('r')
+                            ->pipeOutputTo(
+                                CommandBuilder::create('head')
+                                    ->addFlag('1')
+                            )
+                    ),
+                function ($output) use (&$fullOutput) {
+                    $fullOutput .= $output;
+                }
+            )
+            ->run();
+        return $remote['releasesdir'] . '/' . substr($fullOutput, 0, (strpos($fullOutput, "\n") ?: strlen($fullOutput)));
+    }
+
+    /**
+     * Create a backup of files (storage folder) and database.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The backup task.
+     */
+    protected function backupTask(
+        $worker,
+        AbstractAuth $auth,
+        $remote,
+        $opts = ['files' => false, 'data' => false]
+    ) {
+        if (!$opts['files'] && !$opts['data']) {
+            $opts['files'] = true;
+            $opts['data'] = true;
+        }
+        $backupDir = $remote['backupsdir'] . '/' . $remote['time'];
+        $collection = $this->collectionBuilder();
+
+        if ($opts['files']) {
+            $collection
+                ->taskRemoteFilesBackup($worker, $auth, $backupDir, $remote['filesdir'])
+                    ->backupFile($this->backupFileName('.tar.gz'))
+                    ->excludeFromBackup($this->excludeFromBackup)
+                    ->backupSubDirs($this->fileBackupSubDirs)
+                    ->timeout($this->getTimeoutSetting('backup_files'));
+        }
+
+        if ($opts['data']) {
+            $currentProjectRoot = $this->getCurrentProjectRoot($worker, $auth, $remote);
+            $collection
+                ->taskRemoteDatabaseBackup($worker, $auth, $backupDir, $currentProjectRoot)
+                    ->backupFile($this->backupFileName('.sql'))
+                    ->timeout($this->getTimeoutSetting('backup_database'));
+        }
+        return $collection;
+    }
+
+    /**
+     * Restore a backup of files (storage folder) and database.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The restore backup task.
+     */
+    protected function restoreBackupTask(
+        $worker,
+        AbstractAuth $auth,
+        $remote,
+        $opts = ['files' => false, 'data' => false]
+    ) {
+        if (!$opts['files'] && !$opts['data']) {
+            $opts['files'] = true;
+            $opts['data'] = true;
+        }
+
+        $currentProjectRoot = $this->getCurrentProjectRoot($worker, $auth, $remote);
+        $backupDir = $remote['backupsdir'] . '/' . $remote['time'];
+
+        $collection = $this->collectionBuilder();
+
+        // Restore the files backup.
+        $preRestoreBackup = $this->preRestoreBackupTask($worker, $auth, $remote, $opts);
+        if ($preRestoreBackup) {
+            $collection->addTask($preRestoreBackup);
+        }
+
+        if ($opts['files']) {
+            $filesBackupFile =  $this->backupFileName('.tar.gz', $remote['time']);
+            $collection
+                ->taskSsh($worker, $auth)
+                    ->remoteDirectory($remote['filesdir'], true)
+                    ->timeout($this->getTimeoutSetting('restore_files_backup'))
+                    ->exec(
+                        (string) CommandBuilder::create('tar')
+                            ->addFlag('xkz')
+                            ->addFlag('f', $backupDir . '/' . $filesBackupFile)
+                    );
+        }
+
+        // Restore the db backup.
+        if ($opts['data']) {
+            $dbBackupFile =  $this->backupFileName('.sql.gz', $remote['time']);
+            $collection
+                ->taskSsh($worker, $auth)
+                    ->remoteDirectory($currentProjectRoot, true)
+                    ->timeout($this->getTimeoutSetting('restore_db_backup'))
+                    ->exec(
+                        (string) CommandBuilder::create('vendor/bin/robo digipolis:database-restore')
+                            ->addOption('source', $backupDir . '/' . $dbBackupFile)
+                    );
+        }
+        return $collection;
+    }
+
+
+    /**
+     * Pre restore backup task.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return bool|\Robo\Contract\TaskInterface
+     *   The pre restore backup task, false if no pre restore backup tasks need
+     *   to run.
+     */
+    protected function preRestoreBackupTask(
+        $worker,
+        AbstractAuth $auth,
+        $remote,
+        $opts = ['files' => false, 'data' => false]
+    ) {
+        if (!$opts['files'] && !$opts['data']) {
+            $opts['files'] = true;
+            $opts['data'] = true;
+        }
+        if ($opts['files']) {
+            $removeFiles = CommandBuilder::create('rm')->addFlag('rf');
+            if (!$this->fileBackupSubDirs) {
+                $removeFiles->addArgument('./*');
+                $removeFiles->addArgument('./.??*');
+            }
+            foreach ($this->fileBackupSubDirs as $subdir) {
+                $removeFiles->addArgument($subdir . '/*');
+                $removeFiles->addArgument($subdir . '/.??*');
+            }
+
+            return $this->taskSsh($worker, $auth)
+                ->remoteDirectory($remote['filesdir'], true)
+                // Files dir can be pretty big on large sites.
+                ->timeout($this->getTimeoutSetting('pre_restore_remove_files'))
+                ->exec((string) $removeFiles);
+        }
+
+        return false;
+    }
+
+    /**
+     * Remove a backup.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The backup task.
+     */
+    protected function removeBackupTask(
+        $worker,
+        AbstractAuth $auth,
+        $remote,
+        $opts = ['files' => false, 'data' => false]
+    ) {
+        $backupDir = $remote['backupsdir'] . '/' . $remote['time'];
+
+        $collection = $this->collectionBuilder();
+        $collection->taskSsh($worker, $auth)
+            ->timeout($this->getTimeoutSetting('remove_backup'))
+            ->exec(
+                (string) CommandBuilder::create('rm')
+                    ->addFlag('rf')
+                    ->addArgument($backupDir)
+            );
+
+        return $collection;
+    }
+
+    /**
+     * Timeouts can be overwritten in properties.yml under the `timeout` key.
+     *
+     * @param string $setting
+     *
+     * @return int
+     */
+    protected function getTimeoutSetting($setting)
+    {
+        $timeoutSettings = $this->getTimeoutSettings();
+        return isset($timeoutSettings[$setting]) ? $timeoutSettings[$setting] : static::DEFAULT_TIMEOUT;
+    }
+
+    protected function getTimeoutSettings()
+    {
+        $this->readProperties();
+        return $this->getConfig()->get('timeouts', []) + $this->getDefaultTimeoutSettings();
+    }
+
+    protected function getDefaultTimeoutSettings()
+    {
+        // Refactor this to default.properties.yml
+        return [
+            'presymlink_mirror_dir' => 60,
+            'synctask_rsync' => 1800,
+            'backup_files' => 300,
+            'backup_database' => 300,
+            'remove_backup' => 300,
+            'restore_files_backup' => 300,
+            'restore_db_backup' => 60,
+            'pre_restore_remove_files' => 300,
+            'clean_dir' => 30,
+        ];
+    }
+
+
+    /**
+     * Generate a backup filename based on the given time.
+     *
+     * @param string $extension
+     *   The extension to append to the filename. Must include leading dot.
+     * @param int|null $timestamp
+     *   The timestamp to generate the backup name from. Defaults to the request
+     *   time.
+     *
+     * @return string
+     *   The generated filename.
+     */
+    protected function backupFileName($extension, $timestamp = null)
+    {
+        if (is_null($timestamp)) {
+            $timestamp = $this->time;
+        }
+        return $timestamp . '_' . date('Y_m_d_H_i_s', $timestamp) . $extension;
+    }
+}
diff --git a/src/Traits/AbstractDeployCommandTrait.php b/src/Traits/AbstractDeployCommandTrait.php
new file mode 100644
index 0000000..1af0efe
--- /dev/null
+++ b/src/Traits/AbstractDeployCommandTrait.php
@@ -0,0 +1,513 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\KeyFile;
+
+trait AbstractDeployCommandTrait
+{
+    /**
+     * @see \DigipolisGent\Robo\Helpers\Traits\TraitDependencyCheckerTrait
+     */
+    protected function getAbstractDeployCommandTraitDependencies()
+    {
+        return [AbstractCommandTrait::class, RemoteRemoveReleaseTrait::class];
+    }
+
+    /**
+     * Build a site and push it to the servers.
+     *
+     * @param array $arguments
+     *   Variable amount of arguments. The last argument is the path to the
+     *   the private key file (ssh), the penultimate is the ssh user. All
+     *   arguments before that are server IP's to deploy to.
+     * @param array $opts
+     *   The options for this task.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The deploy task.
+     */
+    protected function deploy(
+        array $arguments,
+        $opts
+    ) {
+        // Define variables.
+        $opts += ['force-install' => false];
+        $privateKeyFile = array_pop($arguments);
+        $user = array_pop($arguments);
+        $servers = $arguments;
+        $worker = is_null($opts['worker']) ? reset($servers) : $opts['worker'];
+        $remote = $this->getRemoteSettings($servers, $user, $privateKeyFile, $opts['app']);
+        $releaseDir = $remote['releasesdir'] . '/' . $remote['time'];
+        $auth = new KeyFile($user, $privateKeyFile);
+        $archive = $remote['time'] . '.tar.gz';
+        $backupOpts = ['files' => false, 'data' => true];
+
+        $collection = $this->collectionBuilder();
+
+        // Build the archive to deploy.
+        $collection->addTask($this->buildTask($archive));
+
+        // Create a backup and a rollback task if a site is already installed.
+        if ($remote['createbackup'] && $this->isSiteInstalled($worker, $auth, $remote) && $this->currentReleaseHasRobo($worker, $auth, $remote)) {
+            // Create a backup.
+            $collection->addTask($this->backupTask($worker, $auth, $remote, $backupOpts));
+
+            // Create a rollback for this backup for when the deploy fails.
+            $collection->rollback(
+                $this->restoreBackupTask(
+                    $worker,
+                    $auth,
+                    $remote,
+                    $backupOpts
+                )
+            );
+        }
+
+        // Push the package to the servers and create the required symlinks.
+        foreach ($servers as $server) {
+            // Remove this release on rollback.
+            $collection->rollback($this->removeFailedRelease($server, $auth, $remote, $releaseDir));
+
+            // Push the package.
+            $collection->addTask($this->pushPackageTask($server, $auth, $remote, $archive));
+
+            // Add any tasks to execute before creating the symlinks.
+            $preSymlink = $this->preSymlinkTask($server, $auth, $remote);
+            if ($preSymlink) {
+                $collection->addTask($preSymlink);
+            }
+
+            // Switch the current symlink to the previous release on rollback.
+            $collection->rollback($this->switchPreviousTask($server, $auth, $remote));
+
+            // Create the symlinks.
+            $collection->addTask($this->symlinksTask($server, $auth, $remote));
+            $postSymlink = $this->postSymlinkTask($server, $auth, $remote);
+            if ($postSymlink) {
+                $collection->addTask($postSymlink);
+            }
+        }
+
+        // Initialize the site (update or install).
+        $collection->addTask($this->initRemoteTask($worker, $auth, $remote, $opts, $opts['force-install']));
+
+        // Clear OPcache if present.
+        if (isset($remote['opcache']) && (!array_key_exists('clear', $remote['opcache']) || $remote['opcache']['clear'])) {
+            foreach ($servers as $server) {
+                $collection->addTask($this->clearOpCacheTask($server, $auth, $remote));
+            }
+        }
+
+        // Clean release and backup dirs on the servers.
+        foreach ($servers as $server) {
+            $collection->completion($this->cleanDirsTask($server, $auth, $remote));
+        }
+
+        $clearCache = $this->clearCacheTask($worker, $auth, $remote);
+
+        // Clear the site's cache if required.
+        if ($clearCache) {
+            $collection->completion($clearCache);
+        }
+        return $collection;
+    }
+
+    /**
+     * Build a site and package it.
+     *
+     * @param string $archivename
+     *   Name of the archive to create.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The deploy task.
+     */
+    protected function buildTask($archivename = null)
+    {
+        $this->readProperties();
+        $archive = is_null($archivename) ? $this->time . '.tar.gz' : $archivename;
+        $collection = $this->collectionBuilder();
+        $collection
+            ->taskPackageProject($archive);
+        return $collection;
+    }
+
+    /**
+     * Check if a site is already installed
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return bool
+     *   Whether or not the site is installed.
+     */
+    abstract protected function isSiteInstalled($worker, AbstractAuth $auth, $remote);
+
+    /**
+     * Check if the current release has robo available.
+     *
+     * @param string $worker
+     *   The server to check the release on.
+     * @param \DigipolisGent\Robo\Helpers\Traits\AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return bool
+     */
+    protected function currentReleaseHasRobo($worker, AbstractAuth $auth, $remote)
+    {
+        $currentProjectRoot = $this->getCurrentProjectRoot($worker, $auth, $remote);
+        return $this->taskSsh($worker, $auth)
+            ->remoteDirectory($currentProjectRoot, true)
+            ->exec(
+                (string) CommandBuilder::create('ls')
+                    ->addArgument('vendor/bin/robo')
+                    ->pipeOutputTo(
+                        CommandBuilder::create('grep')
+                            ->addArgument('robo')
+                    )
+            )
+            ->run()
+            ->wasSuccessful();
+    }
+
+    /**
+     * Remove a failed release from the server.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     * @param string|null $releaseDirname
+     *   The path of the release dir to remove.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The remove release task.
+     */
+    protected function removeFailedRelease($worker, AbstractAuth $auth, $remote, $releaseDirname = null)
+    {
+        $releaseDir = is_null($releaseDirname)
+            ? $remote['releasesdir'] . '/' . $remote['time']
+            : $releaseDirname;
+        return $this->taskRemoteRemoveRelease($worker, $auth, null, $releaseDir);
+    }
+
+    /**
+     * Push a package to the server.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     * @param string|null $archivename
+     *   The path to the package to push.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The push package task.
+     */
+    protected function pushPackageTask($worker, AbstractAuth $auth, $remote, $archivename = null)
+    {
+        $archive = is_null($archivename)
+            ? $remote['time'] . '.tar.gz'
+            : $archivename;
+        $releaseDir = $remote['releasesdir'] . '/' . $remote['time'];
+        $collection = $this->collectionBuilder();
+        $collection->taskPushPackage($worker, $auth)
+            ->destinationFolder($releaseDir)
+            ->package($archive);
+
+        $collection->taskSsh($worker, $auth)
+            ->remoteDirectory($releaseDir, true)
+            ->exec((string) CommandBuilder::create('chmod')
+                ->addArgument('u+rx')
+                ->addArgument('vendor/bin/robo')
+            );
+
+        return $collection;
+    }
+
+    /**
+     * Tasks to execute before creating the symlinks.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return bool|\Robo\Contract\TaskInterface
+     *   The presymlink task, false if no pre symlink tasks need to run.
+     */
+    protected function preSymlinkTask($worker, AbstractAuth $auth, $remote)
+    {
+        $projectRoot = $remote['rootdir'];
+        $collection = $this->collectionBuilder();
+        $collection->taskSsh($worker, $auth)
+            ->remoteDirectory($projectRoot, true)
+            ->timeout($this->getTimeoutSetting('presymlink_mirror_dir'));
+        foreach ($remote['symlinks'] as $symlink) {
+            list($target, $link) = explode(':', $symlink);
+            if ($link === $remote['currentdir']) {
+                continue;
+            }
+            // If the link we're going to create is an existing directory,
+            // mirror that directory on the symlink target and then delete it
+            // before creating the symlink
+            $collection->exec(
+                (string) CommandBuilder::create('vendor/bin/robo digipolis:mirror-dir')
+                    ->addArgument($link)
+                    ->addArgument($target)
+            );
+            $collection->exec(
+                (string) CommandBuilder::create('rm')
+                    ->addFlag('rf')
+                    ->addArgument($link)
+            );
+        }
+        return $collection;
+    }
+
+
+    /**
+     * Switch the current symlink to the previous release on the server.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The switch previous task.
+     */
+    protected function switchPreviousTask($worker, AbstractAuth $auth, $remote)
+    {
+        return $this->taskRemoteSwitchPrevious(
+            $worker,
+            $auth,
+            $this->getCurrentProjectRoot($worker, $auth, $remote),
+            $remote['releasesdir'],
+            $remote['currentdir']
+        );
+    }
+
+    /**
+     * Create all required symlinks on the server.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The symlink task.
+     */
+    protected function symlinksTask($worker, AbstractAuth $auth, $remote)
+    {
+        $collection = $this->collectionBuilder();
+        foreach ($remote['symlinks'] as $link) {
+            list($target, $linkname) = explode(':', $link);
+            $collection->taskSsh($worker, $auth)
+                ->exec(
+                    (string) CommandBuilder::create('ln')
+                        ->addFlag('s')
+                        ->addFlag('T')
+                        ->addFlag('f')
+                        ->addArgument($target)
+                        ->addArgument($linkname)
+                );
+        }
+        return $collection;
+    }
+
+    /**
+     * Tasks to execute after creating the symlinks.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return bool|\Robo\Contract\TaskInterface
+     *   The postsymlink task, false if no post symlink tasks need to run.
+     */
+    protected function postSymlinkTask($worker, AbstractAuth $auth, $remote)
+    {
+        if (isset($remote['postsymlink_filechecks']) && $remote['postsymlink_filechecks']) {
+            $projectRoot = $remote['rootdir'];
+            $collection = $this->collectionBuilder();
+            $collection->taskSsh($worker, $auth)
+                ->remoteDirectory($projectRoot, true)
+                ->timeout($this->getTimeoutSetting('postsymlink_filechecks'));
+            foreach ($remote['postsymlink_filechecks'] as $file) {
+                // If this command fails, the collection will fail, which will
+                // trigger a rollback.
+                $builder = CommandBuilder::create('ls')
+                    ->addArgument($file)
+                    ->pipeOutputTo('grep')
+                    ->addArgument($file)
+                    ->onFailure(
+                        CommandBuilder::create('echo')
+                            ->addArgument('[ERROR] ' . $file . ' was not found.')
+                            ->onFinished('exit')
+                            ->addArgument('1')
+                    );
+                $collection->exec((string) $builder);
+            }
+            return $collection;
+        }
+        return false;
+    }
+
+    /**
+     * Install or update a remote site.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     * @param array $extra
+     *   Extra parameters to pass to site install.
+     * @param bool $force
+     *   Whether or not to force the install even when the site is present.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The init remote task.
+     */
+    protected function initRemoteTask($worker, AbstractAuth $auth, $remote, $extra = [], $force = false)
+    {
+        $collection = $this->collectionBuilder();
+        if (!$this->isSiteInstalled($worker, $auth, $remote) || $force) {
+            $this->say($force ? 'Forcing site install.' : 'Site status failed.');
+            $this->say('Triggering install script.');
+
+            $collection->addTask($this->installTask($worker, $auth, $remote, $extra, $force));
+            return $collection;
+        }
+        $collection->addTask($this->updateTask($worker, $auth, $remote, $extra));
+        return $collection;
+    }
+
+    /**
+     * Clear OPcache on the server.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The clear OPcache task.
+     */
+    protected function clearOpCacheTask($worker, AbstractAuth $auth, $remote)
+    {
+        $clearOpcache = CommandBuilder::create('vendor/bin/robo digipolis:clear-op-cache')->addArgument($remote['opcache']['env']);
+        if (isset($remote['opcache']['host'])) {
+            $clearOpcache->addOption('host', $remote['opcache']['host']);
+        }
+        return $this->taskSsh($worker, $auth)
+            ->remoteDirectory($remote['rootdir'], true)
+            ->exec((string) $clearOpcache);
+    }
+
+    /**
+     * Clean the release and backup directories on the server.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The clean directories task.
+     */
+    protected function cleanDirsTask($worker, AbstractAuth $auth, $remote)
+    {
+        $cleandirLimit = isset($remote['cleandir_limit']) ? max(1, $remote['cleandir_limit']) : '';
+        $collection = $this->collectionBuilder();
+        $collection->taskRemoteCleanDirs($worker, $auth, $remote['rootdir'], $remote['releasesdir'], ($cleandirLimit ? ($cleandirLimit + 1) : false));
+
+        if ($remote['createbackup']) {
+            $collection->taskRemoteCleanDirs($worker, $auth, $remote['rootdir'], $remote['backupsdir'], ($cleandirLimit ? ($cleandirLimit + 1) : false));
+        }
+
+        return $collection;
+    }
+
+    /**
+     * Clear cache of the site.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return bool|\Robo\Contract\TaskInterface
+     *   The clear cache task or false if no clear cache task exists.
+     */
+    protected function clearCacheTask($worker, $auth, $remote)
+    {
+        return false;
+    }
+
+    /**
+     * Install the site in the current folder.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     * @param bool $force
+     *   Whether or not to force the install even when the site is present.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The install task.
+     */
+    abstract protected function installTask($worker, AbstractAuth $auth, $remote, $extra = [], $force = false);
+
+    /**
+     * Executes database updates of the site in the current folder.
+     *
+     * Executes database updates of the site in the current folder. Sets
+     * the site in maintenance mode before the update and takes in out of
+     * maintenance mode after.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The update task.
+     */
+    abstract protected function updateTask($worker, AbstractAuth $auth, $remote);
+}
diff --git a/src/Traits/AbstractSyncCommandTrait.php b/src/Traits/AbstractSyncCommandTrait.php
new file mode 100644
index 0000000..ad0fb20
--- /dev/null
+++ b/src/Traits/AbstractSyncCommandTrait.php
@@ -0,0 +1,101 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+
+trait AbstractSyncCommandTrait
+{
+    /**
+     * @see \DigipolisGent\Robo\Helpers\Traits\TraitDependencyCheckerTrait
+     */
+    protected function getAbstractSyncCommandTraitDependencies()
+    {
+        return [AbstractCommandTrait::class];
+    }
+
+    /**
+     * Download a backup of files (storage folder) and database.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The download backup task.
+     */
+    protected function downloadBackupTask(
+        $worker,
+        AbstractAuth $auth,
+        $remote,
+        $opts = ['files' => false, 'data' => false]
+    ) {
+        if (!$opts['files'] && !$opts['data']) {
+            $opts['files'] = true;
+            $opts['data'] = true;
+        }
+        $backupDir = $remote['backupsdir'] . '/' . $remote['time'];
+
+        $collection = $this->collectionBuilder();
+        $collection
+            ->taskScp($worker, $auth);
+
+        // Download files.
+        if ($opts['files']) {
+            $filesBackupFile = $this->backupFileName('.tar.gz', $remote['time']);
+            $collection->get($backupDir . '/' . $filesBackupFile, $filesBackupFile);
+        }
+
+        // Download data.
+        if ($opts['data']) {
+            $dbBackupFile = $this->backupFileName('.sql.gz', $remote['time']);
+            $collection->get($backupDir . '/' . $dbBackupFile, $dbBackupFile);
+        }
+        return $collection;
+    }
+
+    /**
+     * Upload a backup of files (storage folder) and database to a server.
+     *
+     * @param string $worker
+     *   The server to install the site on.
+     * @param AbstractAuth $auth
+     *   The ssh authentication to connect to the server.
+     * @param array $remote
+     *   The remote settings for this server.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The upload backup task.
+     */
+    protected function uploadBackupTask(
+        $worker,
+        AbstractAuth $auth,
+        $remote,
+        $opts = ['files' => false, 'data' => false]
+    ) {
+        if (!$opts['files'] && !$opts['data']) {
+            $opts['files'] = true;
+            $opts['data'] = true;
+        }
+        $backupDir = $remote['backupsdir'] . '/' . $remote['time'];
+        $dbBackupFile = $this->backupFileName('.sql.gz', $remote['time']);
+        $filesBackupFile = $this->backupFileName('.tar.gz', $remote['time']);
+
+        $collection = $this->collectionBuilder();
+        $collection
+            ->taskSsh($worker, $auth)
+                ->exec((string) CommandBuilder::create('mkdir')->addFlag('p')->addArgument($backupDir))
+            ->taskScp($worker, $auth);
+        if ($opts['files']) {
+            $collection->put($backupDir . '/' . $filesBackupFile, $filesBackupFile);
+        }
+        if ($opts['data']) {
+            $collection->put($backupDir . '/' . $dbBackupFile, $dbBackupFile);
+        }
+        return $collection;
+    }
+}
diff --git a/src/Traits/AbstractSyncRemoteCommandTrait.php b/src/Traits/AbstractSyncRemoteCommandTrait.php
new file mode 100644
index 0000000..f1fa919
--- /dev/null
+++ b/src/Traits/AbstractSyncRemoteCommandTrait.php
@@ -0,0 +1,357 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\KeyFile;
+
+trait AbstractSyncRemoteCommandTrait
+{
+    /**
+     * @see \DigipolisGent\Robo\Helpers\Traits\TraitDependencyCheckerTrait
+     */
+    protected function getAbstractSyncRemoteCommandTraitDependencies()
+    {
+        return [AbstractSyncCommandTrait::class];
+    }
+
+    /**
+     * Sync the database and files between two sites.
+     *
+     * @param string $sourceUser
+     *   SSH user to connect to the source server.
+     * @param string $sourceHost
+     *   IP address of the source server.
+     * @param string $sourceKeyFile
+     *   Private key file to use to connect to the source server.
+     * @param string $destinationUser
+     *   SSH user to connect to the destination server.
+     * @param string $destinationHost
+     *   IP address of the destination server.
+     * @param string $destinationKeyFile
+     *   Private key file to use to connect to the destination server.
+     * @param string $sourceApp
+     *   The name of the source app we're syncing. Used to determine the
+     *   directory to sync.
+     * @param string $destinationApp
+     *   The name of the destination app we're syncing. Used to determine the
+     *   directory to sync to.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The sync task.
+     */
+    protected function sync(
+        $sourceUser,
+        $sourceHost,
+        $sourceKeyFile,
+        $destinationUser,
+        $destinationHost,
+        $destinationKeyFile,
+        $sourceApp = 'default',
+        $destinationApp = 'default',
+        $opts = ['files' => false, 'data' => false, 'rsync' => true]
+    ) {
+        if (!$opts['files'] && !$opts['data']) {
+            $opts['files'] = true;
+            $opts['data'] = true;
+        }
+
+        $opts['rsync'] = !isset($opts['rsync']) || $opts['rsync'];
+
+        $sourceRemote = $this->getRemoteSettings(
+            $sourceHost,
+            $sourceUser,
+            $sourceKeyFile,
+            $sourceApp
+        );
+        $sourceAuth = new KeyFile($sourceUser, $sourceKeyFile);
+
+        $destinationRemote = $this->getRemoteSettings(
+            $destinationHost,
+            $destinationUser,
+            $destinationKeyFile,
+            $destinationApp
+        );
+        $destinationAuth = new KeyFile($destinationUser, $destinationKeyFile);
+
+        $collection = $this->collectionBuilder();
+
+        if ($opts['files'] && $opts['rsync']) {
+            // Files are rsync'ed, no need to sync them through backups later.
+            $opts['files'] = false;
+            $collection->addTask(
+                $this->rsyncAllFiles(
+                    $sourceAuth,
+                    $sourceHost,
+                    $sourceKeyFile,
+                    $sourceRemote,
+                    $destinationAuth,
+                    $destinationHost,
+                    $destinationKeyFile,
+                    $destinationRemote
+                )
+            );
+        }
+
+        if ($opts['data'] || $opts['files']) {
+            // Create a backup on the source host.
+            $collection->addTask(
+                $this->backupTask(
+                    $sourceHost,
+                    $sourceAuth,
+                    $sourceRemote,
+                    $opts
+                )
+            );
+            // Download the backup from the source host to the local machine.
+            $collection->addTask(
+                $this->downloadBackupTask(
+                    $sourceHost,
+                    $sourceAuth,
+                    $sourceRemote,
+                    $opts
+                )
+            );
+            // Remove the backup from the source host.
+            $collection->addTask(
+                $this->removeBackupTask(
+                    $sourceHost,
+                    $sourceAuth,
+                    $sourceRemote,
+                    $opts
+                )
+            );
+            // Upload the backup to the destination host.
+            $collection->addTask(
+                $this->uploadBackupTask(
+                    $destinationHost,
+                    $destinationAuth,
+                    $destinationRemote,
+                    $opts
+                )
+            );
+            // Restore the backup on the destination host.
+            $collection->addTask(
+                $this->restoreBackupTask(
+                    $destinationHost,
+                    $destinationAuth,
+                    $destinationRemote,
+                    $opts
+                )
+            );
+            // Remove the backup from the destination host.
+            $collection->completion(
+                $this->removeBackupTask(
+                    $destinationHost,
+                    $destinationAuth,
+                    $destinationRemote,
+                    $opts
+                )
+            );
+
+            // Finally remove the local backups.
+            $dbBackupFile = $this->backupFileName('.sql.gz', $sourceRemote['time']);
+            $removeLocalBackup = CommandBuilder::create('rm')
+                ->addFlag('f')
+                ->addArgument($dbBackupFile);
+            if ($opts['files']) {
+                $removeLocalBackup->addArgument($this->backupFileName('.tar.gz', $sourceRemote['time']));
+            }
+
+            $collection->completion(
+                $this->taskExecStack()
+                    ->exec((string) $removeLocalBackup)
+            );
+        }
+
+        return $collection;
+    }
+
+    protected function rsyncAllFiles(
+        AbstractAuth $sourceAuth,
+        $sourceHost,
+        $sourceKeyFile,
+        $sourceRemote,
+        AbstractAuth $destinationAuth,
+        $destinationHost,
+        $destinationKeyFile,
+        $destinationRemote
+    ) {
+        $tmpKeyFile = '~/.ssh/' . uniqid('robo_', true) . '.id_rsa';
+        $destinationUser = $destinationAuth->getUser();
+        $sourceUser = $sourceAuth->getUser();
+        $collection = $this->collectionBuilder();
+        // Generate a temporary key.
+        $collection->addTask(
+            $this->generateKeyPair($tmpKeyFile)
+        );
+
+        $collection->completion(
+            $this->removeKeyPair($tmpKeyFile)
+        );
+
+        // Install it on the destination host.
+        $collection->addTask(
+            $this->installPublicKeyOnDestination(
+                $tmpKeyFile,
+                $destinationUser,
+                $destinationHost,
+                $destinationKeyFile
+            )
+        );
+
+        // Remove it from the destination host when we're done.
+        $collection->completion(
+            $this->removePublicKeyFromDestination(
+                $tmpKeyFile,
+                $destinationHost,
+                $destinationAuth
+            )
+        );
+
+        // Install the private key on the source host.
+        $collection->addTask(
+            $this->installPrivateKeyOnSource(
+                $tmpKeyFile,
+                $sourceHost,
+                $sourceUser,
+                $sourceKeyFile
+            )
+        );
+
+        // Remove the private key from the source host.
+        $collection->completion(
+            $this->removePrivateKeyFromSource(
+                $tmpKeyFile,
+                $sourceHost,
+                $sourceAuth
+            )
+        );
+
+        $dirs = ($this->fileBackupSubDirs ? $this->fileBackupSubDirs : ['']);
+
+        foreach ($dirs as $dir) {
+            $dir .= ($dir !== '' ? '/' : '');
+            $collection->addTask(
+                $this->rsyncDirectory(
+                    $dir,
+                    $tmpKeyFile,
+                    $sourceHost,
+                    $sourceAuth,
+                    $sourceRemote,
+                    $destinationHost,
+                    $destinationAuth,
+                    $destinationRemote
+                )
+            );
+        }
+
+        return $collection;
+    }
+
+    protected function generateKeyPair($privateKey)
+    {
+        return $this->taskExec(
+            (string) CommandBuilder::create('ssh-keygen')
+                ->addFlag('q')
+                ->addFlag('t', 'rsa')
+                ->addFlag('b', 4096)
+                ->addRawFlag('N', '""')
+                ->addRawFlag('f', $privateKey)
+                ->addFlag('C', 'robo:' . md5($privateKey))
+        );
+    }
+
+    protected function removeKeyPair($privateKey)
+    {
+        return $this->taskExecStack()
+            ->exec(
+                (string) CommandBuilder::create('rm')
+                    ->addFlag('f')
+                    ->addRawArgument($privateKey)
+                    ->addRawArgument($privateKey . '.pub')
+            );
+    }
+
+    protected function installPublicKeyOnDestination($privateKey, $destinationUser, $destinationHost, $destinationKeyFile)
+    {
+        return $this->taskExec(
+            (string) CommandBuilder::create('cat')
+                ->addRawArgument($privateKey . '.pub')
+                ->pipeOutputTo(
+                    CommandBuilder::create('ssh')
+                        ->addArgument($destinationUser . '@' . $destinationHost)
+                        ->addFlag('o', 'StrictHostKeyChecking=no')
+                        ->addRawFlag('i', $destinationKeyFile)
+                )
+                ->addArgument(
+                    CommandBuilder::create('mkdir')
+                        ->addFlag('p')
+                        ->addRawArgument('~/.ssh')
+                        ->onSuccess(
+                            CommandBuilder::create('cat')
+                                ->chain('~/.ssh/authorized_keys', '>>')
+                        )
+                )
+        );
+    }
+
+    protected function removePublicKeyFromDestination($privateKey, $destinationHost, AbstractAuth $destinationAuth)
+    {
+        return $this->taskSsh($destinationHost, $destinationAuth)
+            ->exec(
+                (string) CommandBuilder::create('sed')
+                    ->addFlag('i', '/robo:' . md5($privateKey) . '/d')
+                    ->addRawArgument('~/.ssh/authorized_keys')
+            );
+    }
+
+    protected function installPrivateKeyOnSource($privateKey, $sourceHost, $sourceUser, $sourceKeyFile)
+    {
+        return $this->taskRsync()
+            ->rawArg('--rsh "ssh -o StrictHostKeyChecking=no -i `vendor/bin/robo digipolis:realpath ' . $sourceKeyFile . '`"')
+            ->fromPath($privateKey)
+            ->toHost($sourceHost)
+            ->toUser($sourceUser)
+            ->toPath('~/.ssh')
+            ->archive()
+            ->compress()
+            ->checksum()
+            ->wholeFile();
+    }
+
+    protected function removePrivateKeyFromSource($privateKey, $sourceHost, AbstractAuth $sourceAuth)
+    {
+        return $this->taskSsh($sourceHost, $sourceAuth)
+            ->exec(
+                (string) CommandBuilder::create('rm')
+                    ->addFlag('f')
+                    ->addRawArgument($privateKey)
+            );
+    }
+
+    protected function rsyncDirectory($dir, $privateKey, $sourceHost, AbstractAuth $sourceAuth, $sourceSettings, $destinationHost, AbstractAuth $destinationAuth, $destinationSettings)
+    {
+        $rsync = $this->taskRsync()
+            ->rawArg('--rsh "ssh -o StrictHostKeyChecking=no -i `cd -P ' . $sourceSettings['currentdir'] . '/.. && vendor/bin/robo digipolis:realpath ' . $privateKey . '`"')
+            ->fromPath($sourceSettings['filesdir'] . '/' . $dir)
+            ->toHost($destinationHost)
+            ->toUser($destinationAuth->getUser())
+            ->toPath($destinationSettings['filesdir'] . '/' . $dir)
+            ->archive()
+            ->delete()
+            ->rawArg('--copy-links --keep-dirlinks')
+            ->compress()
+            ->checksum()
+            ->wholeFile();
+
+        foreach ($this->excludeFromBackup as $exclude) {
+            $rsync->exclude($exclude);
+        }
+
+        return $this->taskSsh($sourceHost, $sourceAuth)
+            ->timeout($this->getTimeoutSetting('synctask_rsync'))
+            ->exec($rsync);
+    }
+}
diff --git a/src/Traits/DigipolisMirrorDirCommandTrait.php b/src/Traits/DigipolisMirrorDirCommandTrait.php
new file mode 100644
index 0000000..a3ff10d
--- /dev/null
+++ b/src/Traits/DigipolisMirrorDirCommandTrait.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use Robo\Task\Filesystem\FilesystemStack;
+
+trait DigipolisMirrorDirCommandTrait
+{
+    /**
+     * @return FilesystemStack
+     */
+    protected function taskFilesystemStack()
+    {
+        return $this->task(FilesystemStack::class);
+    }
+
+    /**
+     * Mirror a directory.
+     *
+     * @param string $dir
+     *   Path of the directory to mirror.
+     * @param string $destination
+     *   Path of the directory where $dir should be mirrored.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The mirror dir task.
+     *
+     * @command digipolis:mirror-dir
+     */
+    public function digipolisMirrorDir($dir, $destination)
+    {
+        if (!is_dir($dir)) {
+            return;
+        }
+        $task = $this->taskFilesystemStack();
+        $task->mkdir($destination);
+
+        $directoryIterator = new \RecursiveDirectoryIterator($dir, \RecursiveDirectoryIterator::SKIP_DOTS);
+        $recursiveIterator = new \RecursiveIteratorIterator($directoryIterator, \RecursiveIteratorIterator::SELF_FIRST);
+        foreach ($recursiveIterator as $item) {
+            $destinationFile = $destination . '/' . $recursiveIterator->getSubPathName();
+            if (file_exists($destinationFile)) {
+                continue;
+            }
+            if (is_link($item)) {
+                if ($item->getRealPath() !== false) {
+                    $task->symlink($item->getLinkTarget(), $destinationFile);
+                }
+                continue;
+            }
+            if ($item->isDir()) {
+                $task->mkdir($destinationFile);
+                continue;
+            }
+            $task->copy($item, $destinationFile);
+        }
+        return $task;
+    }
+}
diff --git a/src/Traits/DigipolisRealpathCommandTrait.php b/src/Traits/DigipolisRealpathCommandTrait.php
new file mode 100644
index 0000000..13a9a47
--- /dev/null
+++ b/src/Traits/DigipolisRealpathCommandTrait.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\Robo\Helpers\Util\Path;
+
+trait DigipolisRealpathCommandTrait
+{
+    /**
+     * Polyfill for realpath.
+     *
+     * @param string $path
+     *
+     * @return string
+     *
+     * @command digipolis:realpath
+     */
+    public function digipolisRealpath($path)
+    {
+        return Path::realpath($path);
+    }
+}
diff --git a/src/Traits/DigipolisSwitchPreviousCommandTrait.php b/src/Traits/DigipolisSwitchPreviousCommandTrait.php
new file mode 100644
index 0000000..8462955
--- /dev/null
+++ b/src/Traits/DigipolisSwitchPreviousCommandTrait.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+trait DigipolisSwitchPreviousCommandTrait
+{
+    /**
+     * @see \DigipolisGent\Robo\Helpers\Traits\TraitDependencyCheckerTrait
+     */
+    protected function getDigipolisSwitchPreviousCommandTraitDependencies()
+    {
+        return [SwitchPreviousTrait::class];
+    }
+
+    /**
+     * Switch the current release symlink to the previous release.
+     *
+     * @param string $releasesDir
+     *   Path to the folder containing all releases.
+     * @param string $currentSymlink
+     *   Path to the current release symlink.
+     *
+     * @command digipolis:switch-previous
+     */
+    public function digipolisSwitchPrevious($releasesDir, $currentSymlink)
+    {
+        return $this->taskSwitchPrevious($releasesDir, $currentSymlink);
+    }
+}
diff --git a/src/Traits/DigipolisSyncLocalCommandTrait.php b/src/Traits/DigipolisSyncLocalCommandTrait.php
new file mode 100644
index 0000000..e3bf0f2
--- /dev/null
+++ b/src/Traits/DigipolisSyncLocalCommandTrait.php
@@ -0,0 +1,176 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\CommandBuilder\CommandBuilder;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\KeyFile;
+
+trait DigipolisSyncLocalCommandTrait
+{
+    /**
+     * @see \DigipolisGent\Robo\Helpers\Traits\TraitDependencyCheckerTrait
+     */
+    protected function getDigipolisSyncLocalCommandTraitDependencies()
+    {
+        return [AbstractSyncCommandTrait::class];
+    }
+
+    /**
+     * Sync the database and files to your local environment.
+     *
+     * @param string $host
+     *   IP address of the source server.
+     * @param string $user
+     *   SSH user to connect to the source server.
+     * @param string $keyFile
+     *   Private key file to use to connect to the source server.
+     * @param array $opts
+     *   Command options
+     *
+     * @option app The name of the app we're syncing.
+     * @option files Sync only files.
+     * @option data Sync only the database.
+     * @option rsync Sync the files via rsync.
+     *
+     * @return \Robo\Contract\TaskInterface
+     *   The sync task.
+     */
+    public function digipolisSyncLocal(
+        $host,
+        $user,
+        $keyFile,
+        $opts = [
+            'app' => 'default',
+            'files' => false,
+            'data' => false,
+            'rsync' => true,
+        ]
+    ) {
+        if (!$opts['files'] && !$opts['data']) {
+            $opts['files'] = true;
+            $opts['data'] = true;
+        }
+
+        $opts['rsync'] = !isset($opts['rsync']) || $opts['rsync'];
+
+        $remote = $this->getRemoteSettings($host, $user, $keyFile, $opts['app']);
+        $local = $this->getLocalSettings($opts['app']);
+        $auth = new KeyFile($user, $keyFile);
+        $collection = $this->collectionBuilder();
+
+        if ($opts['files']) {
+            $collection
+                ->taskExecStack()
+                    ->exec(
+                        (string) CommandBuilder::create('chown')
+                            ->addFlag('R')
+                            ->addRawArgument('$USER')
+                            ->addArgument(dirname($local['filesdir']))
+                    )
+                    ->exec(
+                        (string) CommandBuilder::create('chmod')
+                            ->addFlag('R')
+                            ->addArgument('u+w')
+                            ->addArgument(dirname($local['filesdir']))
+                    );
+
+            if ($opts['rsync']) {
+                $opts['files'] = false;
+
+                $dirs = ($this->fileBackupSubDirs ? $this->fileBackupSubDirs : ['']);
+
+                foreach ($dirs as $dir) {
+                    $dir .= ($dir !== '' ? '/' : '');
+
+                    $rsync = $this->taskRsync()
+                        ->rawArg('--rsh "ssh -o StrictHostKeyChecking=no -i `vendor/bin/robo digipolis:realpath ' . $keyFile . '`"')
+                        ->fromHost($host)
+                        ->fromUser($user)
+                        ->fromPath($remote['filesdir'] . '/' . $dir)
+                        ->toPath($local['filesdir'] . '/' . $dir)
+                        ->archive()
+                        ->delete()
+                        ->rawArg('--copy-links --keep-dirlinks')
+                        ->compress()
+                        ->checksum()
+                        ->wholeFile();
+
+                    foreach ($this->excludeFromBackup as $exclude) {
+                        $rsync->exclude($exclude);
+                    }
+
+                    $collection->addTask($rsync);
+                }
+            }
+        }
+
+        if ($opts['data'] || $opts['files']) {
+            // Create a backup.
+            $collection->addTask(
+                $this->backupTask(
+                    $host,
+                    $auth,
+                    $remote,
+                    $opts
+                )
+            );
+            // Download the backup.
+            $collection->addTask(
+                $this->downloadBackupTask(
+                    $host,
+                    $auth,
+                    $remote,
+                    $opts
+                )
+            );
+        }
+
+        if ($opts['files']) {
+            // Restore the files backup.
+            $filesBackupFile =  $this->backupFileName('.tar.gz', $remote['time']);
+            $collection
+                ->exec(
+                    (string) CommandBuilder::create('rm')
+                        ->addFlag('rf')
+                        ->addArgument($local['filesdir'] . '/*')
+                        ->addArgument($local['filesdir'] . '/.??*')
+                )
+                ->exec(
+                    (string) CommandBuilder::create('tar')
+                        ->addFlag('xkz')
+                        ->addFlag('f', $filesBackupFile)
+                        ->addFlag('C', $local['filesdir'])
+                )
+                ->exec(
+                    (string) CommandBuilder::create('rm')
+                        ->addFlag('f')
+                        ->addArgument($filesBackupFile)
+                );
+        }
+
+        if ($opts['data']) {
+            // Restore the db backup.
+            $dbBackupFile =  $this->backupFileName('.sql.gz', $remote['time']);
+            $dbRestore = CommandBuilder::create('vendor/bin/robo digipolis:database-restore')->addOption('source', $dbBackupFile);
+            $cwd = getcwd();
+
+            $collection->taskExecStack();
+            $collection->exec(
+                (string) CommandBuilder::create('cd')
+                    ->addArgument($this->getConfig()->get('digipolis.root.project'))
+                    ->onSuccess($dbRestore)
+            );
+            $collection->exec(
+                (string) CommandBuilder::create('cd')
+                    ->addArgument($cwd)
+                    ->onSuccess(
+                        CommandBuilder::create('rm')
+                            ->addFlag('rf')
+                            ->addArgument($dbBackupFile)
+                    )
+            );
+        }
+
+        return $collection;
+    }
+}
diff --git a/src/Traits/RemoteCleanDirsTrait.php b/src/Traits/RemoteCleanDirsTrait.php
new file mode 100644
index 0000000..5631896
--- /dev/null
+++ b/src/Traits/RemoteCleanDirsTrait.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks\RemoteCleanDirs;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+
+
+trait RemoteCleanDirsTrait
+{
+
+    /**
+     * Creates a RemoteDatabaseBackup task.
+     *
+     * @param string $host
+     *   The host to create the backup on.
+     * @param AbstractAuth $auth
+     *   The authentication to use to connect to the host.
+     * @param string $backupDir
+     *   The directory to save the backup to (on the remote host).
+     * @param string $cwd
+     *   The working directory to execute the commands in.
+     * @param string $directory
+     *   The working directory to clean.
+     * @param string $limit
+     *   The number of items to keep.
+     *
+     * @return RemoteCleanDirs
+     */
+    protected function taskRemoteCleanDirs($host, AbstractAuth $auth, $cwd, $directory, $limit = false)
+    {
+        return $this->task(RemoteCleanDirs::class, $host, $auth, $cwd, $directory, $limit);
+    }
+}
diff --git a/src/Traits/RemoteDatabaseBackupTrait.php b/src/Traits/RemoteDatabaseBackupTrait.php
new file mode 100644
index 0000000..37331de
--- /dev/null
+++ b/src/Traits/RemoteDatabaseBackupTrait.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks\RemoteDatabaseBackup;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+
+
+trait RemoteDatabaseBackupTrait
+{
+
+    /**
+     * Creates a RemoteDatabaseBackup task.
+     *
+     * @param string $host
+     *   The host to create the backup on.
+     * @param AbstractAuth $auth
+     *   The authentication to use to connect to the host.
+     * @param string $backupDir
+     *   The directory to save the backup to (on the remote host).
+     * @param string $cwd
+     *   The working directory to execute the commands in.
+     *
+     * @return RemoteDatabaseBackup
+     */
+    protected function taskRemoteDatabaseBackup($host, AbstractAuth $auth, $backupDir, $cwd)
+    {
+        return $this->task(RemoteDatabaseBackup::class, $host, $auth, $backupDir, $cwd);
+    }
+}
diff --git a/src/Traits/RemoteFilesBackupTrait.php b/src/Traits/RemoteFilesBackupTrait.php
new file mode 100644
index 0000000..e781bd9
--- /dev/null
+++ b/src/Traits/RemoteFilesBackupTrait.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\Robo\Helpers\RemoteFilesBackup;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+
+trait RemoteFilesBackupTrait
+{
+
+    /**
+     * Creates a RemoteDatabaseBackup task.
+     *
+     * @param string $host
+     *   The host to create the backup on.
+     * @param AbstractAuth $auth
+     *   The authentication to use to connect to the host.
+     * @param string $backupDir
+     *   The directory to save the backup to (on the remote host).
+     * @param string $cwd
+     *   The working directory to execute the commands in.
+     *
+     * @return \DigipolisGent\Robo\Helpers\RemoteFilesBackup
+     */
+    protected function taskRemoteFilesBackup($host, AbstractAuth $auth, $backupDir, $cwd)
+    {
+        return $this->task(RemoteFilesBackup::class, $host, $auth, $backupDir, $cwd);
+    }
+}
diff --git a/src/Traits/RemoteRemoveReleaseTrait.php b/src/Traits/RemoteRemoveReleaseTrait.php
new file mode 100644
index 0000000..054813b
--- /dev/null
+++ b/src/Traits/RemoteRemoveReleaseTrait.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks\RemoteRemoveRelease;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+
+trait RemoteRemoveReleaseTrait
+{
+
+    /**
+     * Creates a RemoteDatabaseBackup task.
+     *
+     * @param string $host
+     *   The host to create the backup on.
+     * @param AbstractAuth $auth
+     *   The authentication to use to connect to the host.
+     * @param string $backupDir
+     *   The directory to save the backup to (on the remote host).
+     * @param string $cwd
+     *   The working directory to execute the commands in.
+     * @param string $releaseDirectory
+     *   The release directory to remove.
+     *
+     * @return RemoteRemoveRelease
+     */
+    protected function taskRemoteRemoveRelease($host, AbstractAuth $auth, $cwd, $releaseDirectory)
+    {
+        return $this->task(RemoteRemoveRelease::class, $host, $auth, $cwd, $releaseDirectory);
+    }
+}
diff --git a/src/Traits/RemoteSwitchPreviousTrait.php b/src/Traits/RemoteSwitchPreviousTrait.php
new file mode 100644
index 0000000..8865b20
--- /dev/null
+++ b/src/Traits/RemoteSwitchPreviousTrait.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks\RemoteSwitchPrevious;
+use DigipolisGent\Robo\Task\Deploy\Ssh\Auth\AbstractAuth;
+
+trait RemoteSwitchPreviousTrait
+{
+
+    /**
+     * Creates a new RemoteSwitchPrevious task.
+     *
+     * @param string $host
+     *   The host to create the backup on.
+     * @param AbstractAuth $auth
+     *   The authentication to use to connect to the host.
+     * @param string $cwd
+     *   The working directory to execute the commands in.
+     * @param string $releasesDir
+     *   The releases directory.
+     * @param string $currentSymlink
+     *   The current release directory.
+     *
+     * @return RemoteSwitchPrevious
+     */
+    protected function taskRemoteSwitchPrevious($host, AbstractAuth $auth, $cwd, $releasesDir, $currentSymlink)
+    {
+        return $this->task(RemoteSwitchPrevious::class, $host, $auth, $cwd, $releasesDir, $currentSymlink);
+    }
+}
diff --git a/src/Traits/SwitchPreviousTrait.php b/src/Traits/SwitchPreviousTrait.php
new file mode 100644
index 0000000..71c29be
--- /dev/null
+++ b/src/Traits/SwitchPreviousTrait.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use DigipolisGent\Robo\Helpers\Robo\Plugins\Tasks\SwitchPrevious;
+
+trait SwitchPreviousTrait
+{
+
+    /**
+     * Creates a new SwitchPrevious task.
+     *
+     * @param string $releasesDir
+     *   The releases directory.
+     * @param string $currentSymlink
+     *   The current release directory.
+     *
+     * @return SwitchPrevious
+     */
+    protected function taskSwitchPrevious($releasesDir, $currentSymlink)
+    {
+        return $this->task(SwitchPrevious::class, $releasesDir, $currentSymlink);
+    }
+}
diff --git a/src/Traits/TraitDependencyCheckerTrait.php b/src/Traits/TraitDependencyCheckerTrait.php
new file mode 100644
index 0000000..397b6a8
--- /dev/null
+++ b/src/Traits/TraitDependencyCheckerTrait.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+use Roave\BetterReflection\Reflection\ReflectionClass;
+
+trait TraitDependencyCheckerTrait
+{
+    protected function checkTraitDependencies()
+    {
+        $traitNames = $this->getAllTraits(get_class($this));
+        foreach ($traitNames as $traitName) {
+            $trait = ReflectionClass::createFromName($traitName);
+            $dependencyMethod = 'get' . $trait->getShortName() . 'Dependencies';
+            if (!$trait->hasMethod($dependencyMethod)) {
+                continue;
+            }
+            if ($missing = array_diff($this->{$dependencyMethod}(), $traitNames)) {
+                throw new \Exception(get_class($this) . ' uses trait ' . $trait->getName() . ', but is missing some of its dependend traits: ' . implode(', ', $missing));
+            }
+        }
+    }
+
+    protected function getAllTraits($className)
+    {
+        $reflection = ReflectionClass::createFromName($className);
+        $traitNames = $reflection->getTraitNames();
+        $traitUsers = array_merge($traitNames, $reflection->getParentClassNames());
+        foreach ($traitUsers as $traitUser) {
+            $traitNames = array_merge($traitNames, $this->getAllTraits($traitUser));
+        }
+        return $traitNames;
+    }
+}
diff --git a/src/Traits/loadTasks.php b/src/Traits/loadTasks.php
new file mode 100644
index 0000000..fbb0e46
--- /dev/null
+++ b/src/Traits/loadTasks.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Traits;
+
+trait loadTasks
+{
+    use RemoteCleanDirsTrait;
+    use RemoteDatabaseBackupTrait;
+    use RemoteFilesBackupTrait;
+    use RemoteSwitchPreviousTrait;
+    use SwitchPreviousTrait;
+}
diff --git a/src/Util/Path.php b/src/Util/Path.php
new file mode 100644
index 0000000..dc77da4
--- /dev/null
+++ b/src/Util/Path.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace DigipolisGent\Robo\Helpers\Util;
+
+class Path {
+
+    /**
+     * PHP's realpath can't handle tilde (~), so we have to write a wrapper
+     * for it.
+     */
+    public static function realpath($path)
+    {
+        $realpath = $path;
+        if (strpos($realpath, '~') === 0 && ($homedir = static::getUserHomeDir())) {
+            $realpath = $homedir . substr($realpath, 1);
+        }
+        $realpath = realpath($realpath);
+
+        if ($realpath === false) {
+            throw new \Exception(sprintf('Could not determine real path of %s.', $path));
+        }
+
+        return $realpath;
+    }
+
+    /**
+     * Get the home directory for the current user.
+     */
+    public static function getUserHomeDir()
+    {
+        // getenv('HOME') isn't set on Windows.
+        $home = getenv('HOME');
+        if (!empty($home)) {
+            // home should never end with a trailing slash.
+            return rtrim($home, '/');
+        }
+        if (!empty($_SERVER['HOMEDRIVE']) && !empty($_SERVER['HOMEPATH'])) {
+            // home on windows
+            $home = $_SERVER['HOMEDRIVE'] . $_SERVER['HOMEPATH'];
+            // If HOMEPATH is a root directory the path can end with a slash.
+            // Make sure that doesn't happen.
+            return rtrim($home, '\\/');
+        }
+
+        throw new \Exception('Could not determine the current user\'s home directory.');
+    }
+}