From 1663cd82cc57414dd2c8adf7ee7551377072d2db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20FIDRY?= <theo.fidry@gmail.com>
Date: Sun, 4 Mar 2018 13:33:13 +0100
Subject: [PATCH] Fix usage of isolated Composer

---
 Makefile                               |  18 +-
 README.md                              |  52 +-
 fixtures/set021-composer/composer.json |   5 +
 fixtures/set021-composer/composer.lock | 802 +++++++++++++++++++++++++
 4 files changed, 845 insertions(+), 32 deletions(-)
 create mode 100644 fixtures/set021-composer/composer.json
 create mode 100644 fixtures/set021-composer/composer.lock

diff --git a/Makefile b/Makefile
index f2e89733..605f9c4b 100644
--- a/Makefile
+++ b/Makefile
@@ -64,7 +64,7 @@ tm: vendor/bin/phpunit
 	$(MAKE) e2e_020
 
 e2e:		## Run end-to-end tests
-e2e: e2e_004 e2e_005 e2e_011 e2e_013 e2e_014 e2e_015 e2e_016 e2e_017 e2e_018 e2e_019 e2e_020
+e2e: e2e_004 e2e_005 e2e_011 e2e_013 e2e_014 e2e_015 e2e_016 e2e_017 e2e_018 e2e_019 e2e_020 e2e_021
 
 e2e_004:	## Run end-to-end tests for the fixture set 004: source code case
 e2e_004: bin/php-scoper.phar
@@ -161,6 +161,16 @@ e2e_020: bin/php-scoper.phar fixtures/set020-infection/vendor clover.xml
 
 	diff build/set020-infection/expected-output build/set020-infection/output
 
+e2e_021:	## Run end-to-end tests for the fixture set 020: Composer
+e2e_021: bin/php-scoper.phar fixtures/set021-composer/vendor clover.xml
+	php -d zend.enable_gc=0 $(PHPSCOPER) add-prefix --working-dir=fixtures/set021-composer --output-dir=../../build/set021-composer --force --no-interaction --stop-on-failure --no-config
+	composer --working-dir=build/set021-composer dump-autoload
+
+	php fixtures/set021-composer/vendor/composer/composer/bin/composer licenses --no-plugins > build/set021-composer/expected-output
+	php build/set021-composer/vendor/composer/composer/bin/composer licenses --no-plugins > build/set021-composer/output
+
+	diff build/set021-composer/expected-output build/set021-composer/output
+
 tb:		## Run Blackfire profiling
 tb: vendor
 	rm -rf build
@@ -217,6 +227,9 @@ fixtures/set019-symfony-console/vendor: fixtures/set019-symfony-console/composer
 fixtures/set020-infection/vendor: fixtures/set020-infection/composer.lock
 	composer --working-dir=fixtures/set020-infection install
 
+fixtures/set021-composer/vendor: fixtures/set021-composer/composer.lock
+	composer --working-dir=fixtures/set021-composer install
+
 composer.lock: composer.json
 	@echo composer.lock is not up to date.
 
@@ -247,6 +260,9 @@ fixtures/set019-symfony-console/composer.lock: fixtures/set019-symfony-console/c
 fixtures/set020-infection/composer.lock: fixtures/set020-infection/composer.json
 	@echo fixtures/set020-infection/composer.lock is not up to date.
 
+fixtures/set021-composer/composer.lock: fixtures/set021-composer/composer.json
+	@echo fixtures/set021-composer/composer.lock is not up to date.
+
 bin/php-scoper.phar: bin/php-scoper src vendor vendor-bin/box/vendor scoper.inc.php box.json
 	$(MAKE) build
 
diff --git a/README.md b/README.md
index 3485c169..cdfa0827 100644
--- a/README.md
+++ b/README.md
@@ -36,8 +36,7 @@ potentially very difficult to debug due to dissimilar or unsupported package ver
 - [Configuration](#configuration)
     - [Finders and paths](#finders-and-paths)
     - [Patchers](#patchers)
-    - [Global Namespace Whitelisting](#global-namespace-whitelisting)
-    - [Whitelist](#whitelist)
+    - [Whitelist][whitelist]
 - [Building A Scoped PHAR](#building-a-scoped-phar)
     - [Step 1: Configure build location and prep vendors](#step-1-configure-build-location-and-prep-vendors)
     - [Step 2: Run PHP-Scoper](#step-2-run-php-scoper)
@@ -46,6 +45,8 @@ potentially very difficult to debug due to dissimilar or unsupported package ver
     - [PSR-0 support](#psr-0-support)
     - [String values](#string-values)
     - [Native functions and constants shadowing](#native-functions-shadowing)
+    - [Composer](#composer)
+    - [Composer Plugins](#composer-plugins)
 - [Contributing](#contributing)
 - [Credits](#credits)
 
@@ -244,35 +245,6 @@ return [
 ];
 ```
 
-### Global Namespace Whitelisting
-
-By default, PHP-Scoper only scopes (or prefixes) code where the namespace is
-non-global. In other words, non-namespaced code is not scoped. This leaves the
-majority of classes, functions and constants in PHP, and most extensions,
-untouched.
-
-This is not necessarily a desirable outcome for vendor dependencies which are
-also not namespaced. To ensure they are isolated, you can configure PHP-Scoper to
-allow their prefixing from `scoper.inc.php` using basic strings or callables:
-
-```php
-<?php declare(strict_types=1);
-
-// scoper.inc.php
-
-return [
-    'global_namespace_whitelist' => [
-        'AppKernel',
-        function ($className) {
-            return 'PHPUnit' === substr($className, 0, 6);
-        },
-    ],
-];
-```
-
-In this example, we're ensuring that the `AppKernal` class, and any
-non-namespaced PHPUnit packages are prefixed.
-
 
 ### Whitelist
 
@@ -473,6 +445,23 @@ is_array([]);
 The situation is exactly the same for constants.
 
 
+### Composer
+
+PHP-Scoper does not support prefixing the dumped Composer autoloader and autoloading files. This is why you have to
+manually dump the autoloader again after prefixing an application.
+
+
+### Composer Plugins
+
+Composer plugins are not supported. The issue is that for [whitelisting symbols](#whitelist) PHP-Scoper relies on the
+fact that you should load the `vendor/scoper-autoload.php` file instead of `vendor/autoload.php` to trigger the loading
+of the right classes with their class aliases. However Composer does not do that and as a result interfaces such as
+`Composer\Plugin\Capability\Capable` are prefixed but the alias is not registered. 
+
+This cannot be changed easily so for now when you are using an isolated version of Composer, you will need to use the
+`--no-plugins` option.
+
+
 ## Contributing
 
 [Contribution Guide](CONTRIBUTING.md)
@@ -493,3 +482,4 @@ now been moved under the
 [releases]: https://github.com/humbug/php-scoper/releases
 [symfony_finder]: https://symfony.com/doc/current/components/finder.html
 [releases]: https://github.com/humbug/php-scoper/releases
+[whitelist]: #whitelist
diff --git a/fixtures/set021-composer/composer.json b/fixtures/set021-composer/composer.json
new file mode 100644
index 00000000..9d81275d
--- /dev/null
+++ b/fixtures/set021-composer/composer.json
@@ -0,0 +1,5 @@
+{
+    "require": {
+        "composer/composer": "^1.6"
+    }
+}
diff --git a/fixtures/set021-composer/composer.lock b/fixtures/set021-composer/composer.lock
new file mode 100644
index 00000000..3f790a69
--- /dev/null
+++ b/fixtures/set021-composer/composer.lock
@@ -0,0 +1,802 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "bc07352e7963cd895fb0c113b442d7c1",
+    "packages": [
+        {
+            "name": "composer/ca-bundle",
+            "version": "1.1.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/ca-bundle.git",
+                "reference": "943b2c4fcad1ef178d16a713c2468bf7e579c288"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/ca-bundle/zipball/943b2c4fcad1ef178d16a713c2468bf7e579c288",
+                "reference": "943b2c4fcad1ef178d16a713c2468bf7e579c288",
+                "shasum": ""
+            },
+            "require": {
+                "ext-openssl": "*",
+                "ext-pcre": "*",
+                "php": "^5.3.2 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35",
+                "psr/log": "^1.0",
+                "symfony/process": "^2.5 || ^3.0 || ^4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Composer\\CaBundle\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                }
+            ],
+            "description": "Lets you find a path to the system CA bundle, and includes a fallback to the Mozilla CA bundle.",
+            "keywords": [
+                "cabundle",
+                "cacert",
+                "certificate",
+                "ssl",
+                "tls"
+            ],
+            "time": "2017-11-29T09:37:33+00:00"
+        },
+        {
+            "name": "composer/composer",
+            "version": "1.6.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/composer.git",
+                "reference": "88a69fda0f2187ad8714cedffd7a8872dceaa4c2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/composer/zipball/88a69fda0f2187ad8714cedffd7a8872dceaa4c2",
+                "reference": "88a69fda0f2187ad8714cedffd7a8872dceaa4c2",
+                "shasum": ""
+            },
+            "require": {
+                "composer/ca-bundle": "^1.0",
+                "composer/semver": "^1.0",
+                "composer/spdx-licenses": "^1.2",
+                "justinrainbow/json-schema": "^3.0 || ^4.0 || ^5.0",
+                "php": "^5.3.2 || ^7.0",
+                "psr/log": "^1.0",
+                "seld/cli-prompt": "^1.0",
+                "seld/jsonlint": "^1.4",
+                "seld/phar-utils": "^1.0",
+                "symfony/console": "^2.7 || ^3.0 || ^4.0",
+                "symfony/filesystem": "^2.7 || ^3.0 || ^4.0",
+                "symfony/finder": "^2.7 || ^3.0 || ^4.0",
+                "symfony/process": "^2.7 || ^3.0 || ^4.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7",
+                "phpunit/phpunit-mock-objects": "^2.3 || ^3.0"
+            },
+            "suggest": {
+                "ext-openssl": "Enabling the openssl extension allows you to access https URLs for repositories and packages",
+                "ext-zip": "Enabling the zip extension allows you to unzip archives",
+                "ext-zlib": "Allow gzip compression of HTTP requests"
+            },
+            "bin": [
+                "bin/composer"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.6-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Composer\\": "src/Composer"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nils Adermann",
+                    "email": "naderman@naderman.de",
+                    "homepage": "http://www.naderman.de"
+                },
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                }
+            ],
+            "description": "Composer helps you declare, manage and install dependencies of PHP projects, ensuring you have the right stack everywhere.",
+            "homepage": "https://getcomposer.org/",
+            "keywords": [
+                "autoload",
+                "dependency",
+                "package"
+            ],
+            "time": "2018-01-31T15:28:18+00:00"
+        },
+        {
+            "name": "composer/semver",
+            "version": "1.4.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/semver.git",
+                "reference": "c7cb9a2095a074d131b65a8a0cd294479d785573"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/semver/zipball/c7cb9a2095a074d131b65a8a0cd294479d785573",
+                "reference": "c7cb9a2095a074d131b65a8a0cd294479d785573",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.2 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.5 || ^5.0.5",
+                "phpunit/phpunit-mock-objects": "2.3.0 || ^3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Composer\\Semver\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nils Adermann",
+                    "email": "naderman@naderman.de",
+                    "homepage": "http://www.naderman.de"
+                },
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                },
+                {
+                    "name": "Rob Bast",
+                    "email": "rob.bast@gmail.com",
+                    "homepage": "http://robbast.nl"
+                }
+            ],
+            "description": "Semver library that offers utilities, version constraint parsing and validation.",
+            "keywords": [
+                "semantic",
+                "semver",
+                "validation",
+                "versioning"
+            ],
+            "time": "2016-08-30T16:08:34+00:00"
+        },
+        {
+            "name": "composer/spdx-licenses",
+            "version": "1.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/composer/spdx-licenses.git",
+                "reference": "7e111c50db92fa2ced140f5ba23b4e261bc77a30"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/composer/spdx-licenses/zipball/7e111c50db92fa2ced140f5ba23b4e261bc77a30",
+                "reference": "7e111c50db92fa2ced140f5ba23b4e261bc77a30",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.2 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5",
+                "phpunit/phpunit-mock-objects": "2.3.0 || ^3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Composer\\Spdx\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nils Adermann",
+                    "email": "naderman@naderman.de",
+                    "homepage": "http://www.naderman.de"
+                },
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
+                },
+                {
+                    "name": "Rob Bast",
+                    "email": "rob.bast@gmail.com",
+                    "homepage": "http://robbast.nl"
+                }
+            ],
+            "description": "SPDX licenses list and validation library.",
+            "keywords": [
+                "license",
+                "spdx",
+                "validator"
+            ],
+            "time": "2018-01-31T13:17:27+00:00"
+        },
+        {
+            "name": "justinrainbow/json-schema",
+            "version": "5.2.7",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/justinrainbow/json-schema.git",
+                "reference": "8560d4314577199ba51bf2032f02cd1315587c23"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/justinrainbow/json-schema/zipball/8560d4314577199ba51bf2032f02cd1315587c23",
+                "reference": "8560d4314577199ba51bf2032f02cd1315587c23",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "friendsofphp/php-cs-fixer": "^2.1",
+                "json-schema/json-schema-test-suite": "1.2.0",
+                "phpunit/phpunit": "^4.8.35"
+            },
+            "bin": [
+                "bin/validate-json"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "5.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "JsonSchema\\": "src/JsonSchema/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bruno Prieto Reis",
+                    "email": "bruno.p.reis@gmail.com"
+                },
+                {
+                    "name": "Justin Rainbow",
+                    "email": "justin.rainbow@gmail.com"
+                },
+                {
+                    "name": "Igor Wiedler",
+                    "email": "igor@wiedler.ch"
+                },
+                {
+                    "name": "Robert Schönthal",
+                    "email": "seroscho@googlemail.com"
+                }
+            ],
+            "description": "A library to validate a json schema.",
+            "homepage": "https://github.com/justinrainbow/json-schema",
+            "keywords": [
+                "json",
+                "schema"
+            ],
+            "time": "2018-02-14T22:26:30+00:00"
+        },
+        {
+            "name": "psr/log",
+            "version": "1.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/log.git",
+                "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
+                "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Log\\": "Psr/Log/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for logging libraries",
+            "homepage": "https://github.com/php-fig/log",
+            "keywords": [
+                "log",
+                "psr",
+                "psr-3"
+            ],
+            "time": "2016-10-10T12:19:37+00:00"
+        },
+        {
+            "name": "seld/cli-prompt",
+            "version": "1.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Seldaek/cli-prompt.git",
+                "reference": "a19a7376a4689d4d94cab66ab4f3c816019ba8dd"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Seldaek/cli-prompt/zipball/a19a7376a4689d4d94cab66ab4f3c816019ba8dd",
+                "reference": "a19a7376a4689d4d94cab66ab4f3c816019ba8dd",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Seld\\CliPrompt\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jordi Boggiano",
+                    "email": "j.boggiano@seld.be"
+                }
+            ],
+            "description": "Allows you to prompt for user input on the command line, and optionally hide the characters they type",
+            "keywords": [
+                "cli",
+                "console",
+                "hidden",
+                "input",
+                "prompt"
+            ],
+            "time": "2017-03-18T11:32:45+00:00"
+        },
+        {
+            "name": "seld/jsonlint",
+            "version": "1.7.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Seldaek/jsonlint.git",
+                "reference": "d15f59a67ff805a44c50ea0516d2341740f81a38"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Seldaek/jsonlint/zipball/d15f59a67ff805a44c50ea0516d2341740f81a38",
+                "reference": "d15f59a67ff805a44c50ea0516d2341740f81a38",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.0"
+            },
+            "bin": [
+                "bin/jsonlint"
+            ],
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Seld\\JsonLint\\": "src/Seld/JsonLint/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
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