Fix regression in updating dev packages to latest ref, fixes #1030

src/Composer/Installer.php

@@ -404,6 +404,11 @@ class Installer
                             continue;
                         }
 
+                        // skip providers/replacers
+                        if ($match->getName() !== $package->getName()) {
+                            continue;
+                        }
+
                         $newPackage = $match;
                         break;
                     }

tests/Composer/Test/Fixtures/installer/update-dev-ignores-providers.test

@@ -0,0 +1,38 @@
+--TEST--
+Updating a dev package selects its newest version but no providers
+--COMPOSER--
+{
+    "repositories": [
+        {
+            "type": "package",
+            "package": [
+                {
+                    "name": "a/replacer", "version": "dev-master",
+                    "source": { "reference": "wrong", "url": "", "type": "git" },
+                    "replace": {
+                        "a/installed": "dev-master"
+                    }
+                },
+                {
+                    "name": "a/installed", "version": "dev-master",
+                    "source": { "reference": "newref", "url": "", "type": "git" }
+                }
+            ]
+        }
+    ],
+    "require": {
+        "a/installed": "dev-master"
+    },
+    "minimum-stability": "dev"
+}
+--INSTALLED--
+[
+    {
+        "name": "a/installed", "version": "dev-master",
+        "source": { "reference": "oldref", "url": "", "type": "git" }
+    }
+]
+--RUN--
+update
+--EXPECT--
+Updating a/installed (dev-master oldref) to a/installed (dev-master newref)