From c1eb067d9abd821594430a448398d53ae87356ef Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Sat, 8 Aug 2015 01:30:24 +0200
Subject: [PATCH] Allow to pass database credentials via env in WCFSetup

---
 .../files/lib/system/WCFSetup.class.php       | 24 +++++++++++++------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/wcfsetup/install/files/lib/system/WCFSetup.class.php b/wcfsetup/install/files/lib/system/WCFSetup.class.php
index cecd532ed9..598850a8b7 100644
--- a/wcfsetup/install/files/lib/system/WCFSetup.class.php
+++ b/wcfsetup/install/files/lib/system/WCFSetup.class.php
@@ -571,19 +571,29 @@ class WCFSetup extends WCF {
 	 */
 	protected function configureDB() {
 		$availableDBClasses = self::getAvailableDBClasses();
-		$dbHost = 'localhost';
-		$dbUser = 'root';
-		$dbPassword = '';
-		$dbName = 'wcf';
-		$dbNumber = 1;
-		$dbClass = '';
+		if (self::$developerMode && isset($_ENV['WCFSETUP_DBHOST']))  {
+			$dbHost = $_ENV['WCFSETUP_DBHOST'];
+			$dbUser = $_ENV['WCFSETUP_DBUSER'];
+			$dbPassword = $_ENV['WCFSETUP_DBPASSWORD'];
+			$dbName = $_ENV['WCFSETUP_DBNAME'];
+			$dbNumber = 1;
+		}
+		else {
+			$dbHost = 'localhost';
+			$dbUser = 'root';
+			$dbPassword = '';
+			$dbName = 'wcf';
+			$dbNumber = 1;
+			$dbClass = '';
+		}
+		
 		// set $dbClass to first item in $availableDBClasses
 		foreach ($availableDBClasses as $dbClass) {
 			$dbClass = $dbClass['class'];
 			break;
 		}
 		
-		if (isset($_POST['send'])) {
+		if (isset($_POST['send']) || (self::$developerMode && isset($_ENV['WCFSETUP_DBHOST']))) {
 			if (isset($_POST['dbHost'])) $dbHost = $_POST['dbHost'];
 			if (isset($_POST['dbUser'])) $dbUser = $_POST['dbUser'];
 			if (isset($_POST['dbPassword'])) $dbPassword = $_POST['dbPassword'];
-- 
2.20.1