Set overwritemailurl* configs on setup

Correctly use overwritemailurl value when generating absolute urls in CLI

Fix #11500

Rename the config to *cli

Add overwrite.cli.url to the sample config

Revert separator fix, fixes unit test

config/config.sample.php

@@ -329,6 +329,13 @@ $CONFIG = array(
  */
 'overwritecondaddr' => '',
 
+/**
+ * Use this configuration parameter to specify the base url for any urls which are
+ * generated within ownCloud using any kind of command line tools (cron or occ).
+ * The value should contain the full base URL: ``https://www.example.com/owncloud``
+ */
+'overwrite.cli.url' => '',
+
 /**
  * The URL of your proxy server, for example ``proxy.example.com:8081``.
  */

lib/private/setup.php

@@ -86,7 +86,7 @@ class OC_Setup {
 		//write the config file
 		\OC::$server->getConfig()->setSystemValue('trusted_domains', $trustedDomains);
 		\OC::$server->getConfig()->setSystemValue('datadirectory', $datadir);
-		\OC::$server->getConfig()->setSystemValue('overwritewebroot', OC::$WEBROOT);
+		\OC::$server->getConfig()->setSystemValue('overwrite.cli.url', \OC_Request::serverProtocol() . '://' . \OC_Request::serverHost() . OC::$WEBROOT);
 		\OC::$server->getConfig()->setSystemValue('dbtype', $dbtype);
 		\OC::$server->getConfig()->setSystemValue('version', implode('.', OC_Util::getVersion()));
 

lib/private/urlgenerator.php

@@ -162,6 +162,10 @@ class URLGenerator implements IURLGenerator {
 	public function getAbsoluteURL($url) {
 		$separator = $url[0] === '/' ? '' : '/';
 
+		if (\OC::$CLI && !defined('PHPUNIT_RUN')) {
+			return rtrim($this->config->getSystemValue('overwrite.cli.url'), '/') . '/' . ltrim($url, '/');
+		}
+
 		// The ownCloud web root can already be prepended.
 		$webRoot = substr($url, 0, strlen(\OC::$WEBROOT)) === \OC::$WEBROOT
 			? ''