Script to automatically init all vcs roots inside a project

phpstorm-init-vcs-roots.php

#!/usr/bin/env php
<?php

class PhpStormVcsRoots
{
	private $rootPath = ".";
	private $maxDepth = "4";
	private $configPath = ".idea/vcs.xml";

	public function updateVcsRootsConfig()
	{
		file_put_contents($this->configPath, $this->getVcsConfigXml());
	}

	private function getVcsConfigXml()
	{
		$vcsConfigXml = $this->getXmlHeader();
		$vcsConfigXml .= $this->getXmlVcsRootsBody();
		$vcsConfigXml .= $this->getXmlFooter();
		return $vcsConfigXml;
	}

	private function getXmlHeader()
	{
		return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<project version=\"4\">
    <component name=\"VcsDirectoryMappings\">
";	
	}

	private function getXmlVcsRootsBody()
	{
		$xmlVcsRootsBody = "";
		$iterator = $this->getDirectoryIterator();
		foreach ($iterator as $path => $dir) {
	    	if ($dir->isDir() && preg_match('_^\.(/(?:.*))?/\.git$_', $path, $matches)) {
	    		if (!isset($matches[1])) {
					$matches[1] = "";
	    		}
	        	$xmlVcsRootsBody .= '        <mapping directory="$PROJECT_DIR$'.$matches[1].'" vcs="Git" />' . PHP_EOL;
	    	}
		}
		return $xmlVcsRootsBody;
	}

	private function getDirectoryIterator()
	{
		$iterator = new RecursiveIteratorIterator(
	    	new RecursiveDirectoryIterator($this->rootPath, RecursiveDirectoryIterator::SKIP_DOTS),
	    	RecursiveIteratorIterator::SELF_FIRST,
	    	RecursiveIteratorIterator::CATCH_GET_CHILD // Ignore "Permission denied"
		);
		$iterator->setMaxDepth($this->maxDepth);
		return $iterator;
	}

	private function getXmlFooter()
	{
		return "	</component>
</project>";
	}

}

$phpStormVcsRoots = new PhpStormVcsRoots();
$phpStormVcsRoots->updateVcsRootsConfig();