Add test verifying unfixing behavior of path repo packages

tests/Composer/Test/DependencyResolver/Fixtures/poolbuilder/mirrored-path-repo/composer.json

@@ -0,0 +1,8 @@
+{
+    "name": "mirrored/path-pkg",
+    "version": "2.0.0",
+    "require": {
+        "mirrored/transitive": "2.*",
+        "mirrored/transitive2": "2.*"
+    }
+}

tests/Composer/Test/DependencyResolver/Fixtures/poolbuilder/partial-update-unfixes-path-repos-always-but-not-their-transitive-deps.test

@@ -0,0 +1,79 @@
+--TEST--
+Partially updating one root requirement with transitive deps fully updates transitive deps, and always updates symlinked path repos, but not the transitive deps of the path repos.
+
+--REQUEST--
+{
+    "require": {
+        "root/update": "*",
+        "symlinked/path-pkg": "*",
+        "mirrored/path-pkg": "*"
+    },
+    "locked": [
+        {"name": "root/update", "version": "1.0.1", "require": {"symlinked/transitive2": ">=1.0.1", "mirrored/transitive2": ">=1.0.1"}},
+        {"name": "symlinked/transitive", "version": "1.0.0"},
+        {"name": "symlinked/transitive2", "version": "1.0.0"},
+        {"name": "mirrored/transitive", "version": "1.0.0"},
+        {"name": "mirrored/transitive2", "version": "1.0.0"},
+        {
+            "name": "symlinked/path-pkg",
+            "version": "1.0.0",
+            "require": {
+                "symlinked/transitive": "1.*",
+                "symlinked/transitive2": "1.*"
+            },
+            "dist": {"type": "path", "url": "./symlinked-path-repo", "reference": "abcd"}, "transport-options": {}
+        },
+        {
+            "name": "mirrored/path-pkg",
+            "version": "1.0.0",
+            "require": {
+                "mirrored/transitive": "1.*",
+                "mirrored/transitive2": "1.*"
+            },
+            "dist": {"type": "path", "url": "./mirrored-path-repo", "reference": "abcd"}, "transport-options": {"symlink": false}
+        }
+    ],
+    "allowList": [
+        "root/update"
+    ],
+    "allowTransitiveDeps": true
+}
+
+--FIXED--
+[
+]
+
+--PACKAGE-REPOS--
+[
+    {"type": "path", "url": "./symlinked-path-repo"},
+    {"type": "path", "url": "./mirrored-path-repo", "options": {"symlink": false}},
+    [
+        {"name": "root/update", "version": "1.0.4", "require": {"symlinked/transitive2": ">=1.0.1", "mirrored/transitive2": ">=1.0.1"}},
+        {"name": "symlinked/transitive", "version": "1.0.0"},
+        {"name": "symlinked/transitive", "version": "1.0.1"},
+        {"name": "symlinked/transitive", "version": "2.0.2"},
+        {"name": "symlinked/transitive2", "version": "1.0.0"},
+        {"name": "symlinked/transitive2", "version": "1.0.3"},
+        {"name": "symlinked/transitive2", "version": "2.0.4"},
+        {"name": "mirrored/transitive", "version": "1.0.0"},
+        {"name": "mirrored/transitive", "version": "1.0.5"},
+        {"name": "mirrored/transitive", "version": "2.0.6"},
+        {"name": "mirrored/transitive2", "version": "1.0.0"},
+        {"name": "mirrored/transitive2", "version": "1.0.7"},
+        {"name": "mirrored/transitive2", "version": "2.0.8"}
+    ]
+]
+
+--EXPECT--
+[
+   "symlinked/transitive-1.0.0.0 (locked)",
+   "mirrored/transitive-1.0.0.0 (locked)",
+   "mirrored/path-pkg-1.0.0.0 (locked)",
+   "symlinked/path-pkg-2.0.0.0",
+   "root/update-1.0.4.0",
+   "symlinked/transitive2-1.0.3.0",
+   "symlinked/transitive2-2.0.4.0",
+   "mirrored/transitive2-1.0.0.0",
+   "mirrored/transitive2-1.0.7.0",
+   "mirrored/transitive2-2.0.8.0"
+]

tests/Composer/Test/DependencyResolver/Fixtures/poolbuilder/symlinked-path-repo/composer.json

@@ -0,0 +1,8 @@
+{
+    "name": "symlinked/path-pkg",
+    "version": "2.0.0",
+    "require": {
+        "symlinked/transitive": "2.*",
+        "symlinked/transitive2": "2.*"
+    }
+}

tests/Composer/Test/DependencyResolver/PoolBuilderTest.php

@@ -15,6 +15,7 @@ namespace Composer\Test\DependencyResolver;
 use Composer\DependencyResolver\DefaultPolicy;
 use Composer\DependencyResolver\Pool;
 use Composer\DependencyResolver\PoolOptimizer;
+use Composer\Config;
 use Composer\IO\NullIO;
 use Composer\Repository\ArrayRepository;
 use Composer\Repository\FilterRepository;
@@ -25,6 +26,7 @@ use Composer\Package\AliasPackage;
 use Composer\Json\JsonFile;
 use Composer\Package\Loader\ArrayLoader;
 use Composer\Package\Version\VersionParser;
+use Composer\Repository\RepositoryFactory;
 use Composer\Repository\RepositorySet;
 use Composer\Test\TestCase;
 
@@ -57,7 +59,7 @@ class PoolBuilderTest extends TestCase
             $rootAliases[$index]['alias_normalized'] = $parser->normalize($alias['alias']);
         }
 
-        $loader = new ArrayLoader();
+        $loader = new ArrayLoader(null, true);
         $packageIds = array();
         $loadPackage = function ($data) use ($loader, &$packageIds) {
             /** @var ?int $id */
@@ -79,8 +81,17 @@ class PoolBuilderTest extends TestCase
             return $pkg;
         };
 
+        $oldCwd = getcwd();
+        chdir(__DIR__.'/Fixtures/poolbuilder/');
+
         $repositorySet = new RepositorySet($minimumStability, $stabilityFlags, $rootAliases, $rootReferences);
         foreach ($packageRepos as $packages) {
+            if (isset($packages['type'])) {
+                $repo = RepositoryFactory::createRepo(new NullIO, new Config(false), $packages);
+                $repositorySet->addRepository($repo);
+                continue;
+            }
+
             $repo = new ArrayRepository();
             if (isset($packages['canonical']) || isset($packages['only']) || isset($packages['exclude'])) {
                 $options = $packages;
@@ -142,6 +153,8 @@ class PoolBuilderTest extends TestCase
             $result[] = $pool->packageById($i);
         }
 
+        chdir($oldCwd);
+
         return array_map(function (BasePackage $package) use ($packageIds) {
             if ($id = array_search($package, $packageIds, true)) {
                 return $id;