From 5a21de8abb7f03e72a07d8578babc1835dff4a64 Mon Sep 17 00:00:00 2001
From: Amir Sarabadani <ladsgroup@gmail.com>
Date: Fri, 18 May 2018 16:44:18 +0200
Subject: [PATCH] Remove everything related to CollationFa

This workaround was needed when ICU in production was broken
but after T189295 this is not needed anymore and we switched off
this collation from all Persian Wikis already

Bug: T139110
Change-Id: Ifad89555b6ac96a3eb36ca24b55e1f8ee57a1f05
---
 RELEASE-NOTES-1.32                            |  1 +
 autoload.php                                  |  1 -
 includes/collation/Collation.php              |  2 -
 includes/collation/CollationFa.php            | 60 -------------------
 .../includes/collation/CollationFaTest.php    | 55 -----------------
 5 files changed, 1 insertion(+), 118 deletions(-)
 delete mode 100644 includes/collation/CollationFa.php
 delete mode 100644 tests/phpunit/includes/collation/CollationFaTest.php

diff --git a/RELEASE-NOTES-1.32 b/RELEASE-NOTES-1.32
index c06ba9143a..fe86dee900 100644
--- a/RELEASE-NOTES-1.32
+++ b/RELEASE-NOTES-1.32
@@ -109,6 +109,7 @@ because of Phabricator reports.
 * Overriding SearchEngine::{searchText,searchTitle,searchArchiveTitle}
   in extending classes is deprecated.  Extend related doSearch* methods
   instead.
+* CollationFa has been removed completely as it's not needed anymore
 
 === Other changes in 1.32 ===
 * …
diff --git a/autoload.php b/autoload.php
index c55b931235..9e876db955 100644
--- a/autoload.php
+++ b/autoload.php
@@ -280,7 +280,6 @@ $wgAutoloadLocalClasses = [
 	'Collation' => __DIR__ . '/includes/collation/Collation.php',
 	'CollationCkb' => __DIR__ . '/includes/collation/CollationCkb.php',
 	'CollationEt' => __DIR__ . '/includes/collation/CollationEt.php',
-	'CollationFa' => __DIR__ . '/includes/collation/CollationFa.php',
 	'CommandLineInc' => __DIR__ . '/maintenance/commandLine.inc',
 	'CommandLineInstaller' => __DIR__ . '/maintenance/install.php',
 	'CommentStore' => __DIR__ . '/includes/CommentStore.php',
diff --git a/includes/collation/Collation.php b/includes/collation/Collation.php
index 30cae5a883..f52dcae017 100644
--- a/includes/collation/Collation.php
+++ b/includes/collation/Collation.php
@@ -63,8 +63,6 @@ abstract class Collation {
 				return new CollationCkb;
 			case 'xx-uca-et':
 				return new CollationEt;
-			case 'xx-uca-fa':
-				return new CollationFa;
 			case 'uppercase-ab':
 				return new AbkhazUppercaseCollation;
 			case 'uppercase-ba':
diff --git a/includes/collation/CollationFa.php b/includes/collation/CollationFa.php
deleted file mode 100644
index 7410886eca..0000000000
--- a/includes/collation/CollationFa.php
+++ /dev/null
@@ -1,60 +0,0 @@
-<?php
-/**
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- * @file
- */
-
-/**
- * Temporary workaround for incorrect collation of Persian language ('fa') in ICU 52 (bug T139110).
- *
- * Replace with other letters that appear in an okish spot in the alphabet
- *
- *  - Characters 'و' 'ا' (often appear at the beginning of words)
- *  - Characters 'Ù²' 'Ù³' (may appear at the beginning of words in loanwords)
- *
- * @since 1.29
- */
-class CollationFa extends IcuCollation {
-
-	// Really hacky - replace with stuff from other blocks.
-	private $override = [
-		// U+0627 ARABIC LETTER ALEF => U+0623 ARABIC LETTER ALEF WITH HAMZA ABOVE
-		"\xd8\xa7" => "\xd8\xa3",
-		// U+0648 ARABIC LETTER WAW => U+0649 ARABIC LETTER ALEF MAKSURA
-		"\xd9\x88" => "\xd9\x89",
-		// U+0672 ARABIC LETTER ALEF WITH WAVY HAMZA ABOVE => U+F3001 (private use area)
-		"\xd9\xb2" => "\xF3\xB3\x80\x81",
-		// U+0673 ARABIC LETTER ALEF WITH WAVY HAMZA BELOW => U+F3002 (private use area)
-		"\xd9\xb3" => "\xF3\xB3\x80\x82",
-	];
-
-	public function __construct() {
-		parent::__construct( 'fa' );
-	}
-
-	public function getSortKey( $string ) {
-		$modified = strtr( $string, $this->override );
-		return parent::getSortKey( $modified );
-	}
-
-	public function getFirstLetter( $string ) {
-		if ( isset( $this->override[substr( $string, 0, 2 )] ) ) {
-			return substr( $string, 0, 2 );
-		}
-		return parent::getFirstLetter( $string );
-	}
-}
diff --git a/tests/phpunit/includes/collation/CollationFaTest.php b/tests/phpunit/includes/collation/CollationFaTest.php
deleted file mode 100644
index f7455419ad..0000000000
--- a/tests/phpunit/includes/collation/CollationFaTest.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-
-/**
- * @covers CollationFa
- */
-class CollationFaTest extends MediaWikiTestCase {
-
-	/*
-	 * The ordering is a weird hack designed to work only with a very
-	 * specific version of libicu, and as such can't really be unit tested
-	 * against a random version of libicu
-	 */
-
-	public function setUp() {
-		parent::setUp();
-		$this->checkPHPExtension( 'intl' );
-	}
-
-	/**
-	 * @dataProvider provideGetFirstLetter
-	 */
-	public function testGetFirstLetter( $letter, $str ) {
-		$coll = new CollationFa;
-		$this->assertEquals( $letter, $coll->getFirstLetter( $str ), $str );
-	}
-
-	public function provideGetFirstLetter() {
-		return [
-			[
-				'Û·',
-				'Û·'
-			],
-			[
-				'ا',
-				'ا'
-			],
-			[
-				'ا',
-				'ایران'
-			],
-			[
-				'ب',
-				'برلین'
-			],
-			[
-				'و',
-				'واو'
-			],
-			[ "\xd8\xa7", "\xd8\xa7Foo" ],
-			[ "\xd9\x88", "\xd9\x88Foo" ],
-			[ "\xd9\xb2", "\xd9\xb2Foo" ],
-			[ "\xd9\xb3", "\xd9\xb3Foo" ],
-		];
-	}
-}
-- 
2.20.1