From 85617aa74061000bb474b44f629bf8c3be337ee4 Mon Sep 17 00:00:00 2001
From: Hans-Christian Otto <c.otto@suora.com>
Date: Tue, 29 Jan 2019 17:18:58 +0100
Subject: [PATCH 1/2] Installer: Initialize $nameMatchesRequiredPackage
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We had a case where we got `Undefined variable: nameMatchesRequiredPackage` — I think it should be initialized with false, right?
---
 src/Composer/Installer.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Composer/Installer.php b/src/Composer/Installer.php
index f38086611..8573f3695 100644
--- a/src/Composer/Installer.php
+++ b/src/Composer/Installer.php
@@ -1317,6 +1317,7 @@ class Installer
 
         foreach ($this->updateWhitelist as $packageName => $void) {
             $packageQueue = new \SplQueue;
+            $nameMatchesRequiredPackage = false;
 
             $depPackages = $pool->whatProvides($packageName);
             $matchesByPattern = array();

From b3182b0f7dd84f36e7d8e57dc6316bb8a937871c Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Wed, 30 Jan 2019 08:31:28 +0100
Subject: [PATCH 2/2] Update changelog

---
 CHANGELOG.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27eaacc67..db9890bda 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### [1.8.3] 2019-01-30
+
+  * Fixed regression when executing partial updates
+
 ### [1.8.2] 2019-01-29
 
   * Fixed invalid deprecation warning for ext-pdo_mysql and similar