Support distribution via Composer and Packagist

This way the extension can be installed from packagist.org

Bug: T188188
Change-Id: I90a77574947a0b0c845d7c7b5e69c16a79b74c57

.gitattributes

@@ -0,0 +1,6 @@
+.gitattributes export-ignore
+.gitignore export-ignore
+.gitreview export-ignore
+composer.json export-ignore
+Gruntfile.js export-ignore
+package.json export-ignore

.gitignore

@@ -1,6 +1,7 @@
 /node_modules
 /vendor
 /composer.lock
+/composer.phar
 .svn
 *~
 *.kate-swp

README.md

@@ -25,8 +25,14 @@ Requirements
 Installation
 ------------
 
-Copy this extension directory `Auth_remoteuser/` into your mediawiki
-extension folder `extensions/`. Then add the following line to your
+Either copy this extension directory `Auth_remoteuser/` into your
+mediawiki extension folder `extensions/` or, when installing with
+Composer, add an appropriate required package link to your
+`composer.local.json` file:
+
+    "require": { "mediawiki/auth-remoteuser": "~2" }
+
+Then, enable the extension in MediaWiki by adding the following to your
 global configuration file `LocalSettings.php`:
 
     wfLoadExtension( 'Auth_remoteuser' );

composer.json

@@ -1,4 +1,61 @@
 {
+	"name": "mediawiki/auth-remoteuser",
+	"type": "mediawiki-extension",
+	"extra": {
+		"installer-name": "Auth_remoteuser"
+	},
+	"description": "Automatically logs-in users if they are already authenticated by a remote source. (e.g. environment variable REMOTE_USER)",
+	"homepage": "https://www.mediawiki.org/wiki/Extension:Auth_remoteuser",
+	"license": "GPL-2.0-or-later",
+	"keywords": [
+		"extension",
+		"wiki",
+		"mediawiki",
+		"authentication"
+	],
+	"support": {
+		"docs": "https://www.mediawiki.org/wiki/Extension:Auth_remoteuser",
+		"wiki": "https://www.mediawiki.org/wiki/Extension:Auth_remoteuser",
+		"source": "https://github.com/wikimedia/mediawiki-extensions-Auth_remoteuser",
+		"forum": "https://www.mediawiki.org/wiki/Extension_talk:Auth_remoteuser",
+		"issues": "https://phabricator.wikimedia.org/tag/mediawiki-extensions-auth_remoteuser/"
+	},
+	"authors": [
+		{
+			"name": "Otheus Shelling",
+			"homepage": "https://en.wikipedia.org/wiki/User:Otheus"
+		},
+		{
+			"name": "Rusty Burchfield",
+			"homepage": "http://www.csh.rit.edu/~gicode",
+			"role": "Developer"
+		},
+		{
+			"name": "James Kinsman",
+			"homepage": "https://en.wikipedia.org/wiki/User:VibroAxe"
+		},
+		{
+			"name": "Daniel Thomas"
+		},
+		{
+			"name": "Ian Ward Comfort"
+		},
+		{
+			"name": "Mark A. Hershberger",
+			"email": "[email protected]",
+			"role": "Contributor"
+		},
+		{
+			"name": "Stefan Engelhardt",
+			"email": "[email protected]",
+			"homepage": "https://wikitech.wikimedia.org/wiki/User:Enst80",
+			"role": "Developer"
+		}
+	],
+	"require": {
+		"php": ">=5.4.0",
+		"composer/installers": "~1.0.1"
+	},
 	"require-dev": {
 		"jakub-onderka/php-parallel-lint": "0.9.2",
 		"jakub-onderka/php-console-highlighter": "0.3.2",