Merge branch 'master' into 2.0

CHANGELOG.md

@@ -1,3 +1,16 @@
+### [1.9.0] 2019-08-02
+
+  * Breaking: artifact repositories with URLs containing port numbers and requiring authentication now require you to configure http-basic auth for the `host:port` pair explicitly
+  * Added a `--no-cache` flag available on all commands to run with the cache disabled
+  * Added PHP_BINARY as env var pointing to the PHP process when executing Composer scripts as shell scripts
+  * Added a `use-github-api` config option which can set the `no-api` flag on all GitHub VCS repositories declared
+  * Added a static helper you can preprend to a script to avoid process timeouts, `"Composer\\Config::disableProcessTimeout"`
+  * Added Event::getOriginatingEvent to retrieve an event's original event when a script handler forwards to another one
+  * Added support for autoloading directly from a phar file
+  * Fixed loading order of plugins to always initialize them in order of dependencies
+  * Fixed various network-mount related issues
+  * Fixed --ignore-platform-reqs not ignoring conflict rules against platform packages
+
 ### [1.8.6] 2019-06-11
 
   * Fixed handling of backslash-escapes handling in composer.json when using the require command
@@ -751,6 +764,7 @@
 
   * Initial release
 
+[1.9.0]: https://github.com/composer/composer/compare/1.8.6...1.9.0
 [1.8.6]: https://github.com/composer/composer/compare/1.8.5...1.8.6
 [1.8.5]: https://github.com/composer/composer/compare/1.8.4...1.8.5
 [1.8.4]: https://github.com/composer/composer/compare/1.8.3...1.8.4

composer.lock

@@ -8,25 +8,25 @@
     "packages": [
         {
             "name": "composer/ca-bundle",
-            "version": "1.1.4",
+            "version": "1.2.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/ca-bundle.git",
-                "reference": "558f321c52faeb4828c03e7dc0cfe39a09e09a2d"
+                "reference": "10bb96592168a0f8e8f6dcde3532d9fa50b0b527"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/ca-bundle/zipball/558f321c52faeb4828c03e7dc0cfe39a09e09a2d",
-                "reference": "558f321c52faeb4828c03e7dc0cfe39a09e09a2d",
+                "url": "https://api.github.com/repos/composer/ca-bundle/zipball/10bb96592168a0f8e8f6dcde3532d9fa50b0b527",
+                "reference": "10bb96592168a0f8e8f6dcde3532d9fa50b0b527",
                 "shasum": ""
             },
             "require": {
                 "ext-openssl": "*",
                 "ext-pcre": "*",
-                "php": "^5.3.2 || ^7.0"
+                "php": "^5.3.2 || ^7.0 || ^8.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^4.8.35 || ^5.7 || ^6.5",
+                "phpunit/phpunit": "^4.8.35 || ^5.7 || 6.5 - 8",
                 "psr/log": "^1.0",
                 "symfony/process": "^2.5 || ^3.0 || ^4.0"
             },
@@ -60,7 +60,7 @@
                 "ssl",
                 "tls"
             ],
-            "time": "2019-01-28T09:30:10+00:00"
+            "time": "2019-08-30T08:44:50+00:00"
         },
         {
             "name": "composer/semver",
@@ -126,16 +126,16 @@
         },
         {
             "name": "composer/spdx-licenses",
-            "version": "1.5.1",
+            "version": "1.5.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/spdx-licenses.git",
-                "reference": "a1aa51cf3ab838b83b0867b14e56fc20fbd55b3d"
+                "reference": "7ac1e6aec371357df067f8a688c3d6974df68fa5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/spdx-licenses/zipball/a1aa51cf3ab838b83b0867b14e56fc20fbd55b3d",
-                "reference": "a1aa51cf3ab838b83b0867b14e56fc20fbd55b3d",
+                "url": "https://api.github.com/repos/composer/spdx-licenses/zipball/7ac1e6aec371357df067f8a688c3d6974df68fa5",
+                "reference": "7ac1e6aec371357df067f8a688c3d6974df68fa5",
                 "shasum": ""
             },
             "require": {
@@ -182,7 +182,7 @@
                 "spdx",
                 "validator"
             ],
-            "time": "2019-03-26T10:23:26+00:00"
+            "time": "2019-07-29T10:31:59+00:00"
         },
         {
             "name": "composer/xdebug-handler",
@@ -697,16 +697,16 @@
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.11.0",
+            "version": "v1.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "82ebae02209c21113908c229e9883c419720738a"
+                "reference": "550ebaac289296ce228a706d0867afc34687e3f4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/82ebae02209c21113908c229e9883c419720738a",
-                "reference": "82ebae02209c21113908c229e9883c419720738a",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/550ebaac289296ce228a706d0867afc34687e3f4",
+                "reference": "550ebaac289296ce228a706d0867afc34687e3f4",
                 "shasum": ""
             },
             "require": {
@@ -718,7 +718,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.11-dev"
+                    "dev-master": "1.12-dev"
                 }
             },
             "autoload": {
@@ -734,13 +734,13 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                },
                 {
                     "name": "Gert de Pagter",
                     "email": "BackEndTea@gmail.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
                 }
             ],
             "description": "Symfony polyfill for ctype functions",
@@ -751,20 +751,20 @@
                 "polyfill",
                 "portable"
             ],
-            "time": "2019-02-06T07:57:58+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.11.0",
+            "version": "v1.12.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "fe5e94c604826c35a32fa832f35bd036b6799609"
+                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/fe5e94c604826c35a32fa832f35bd036b6799609",
-                "reference": "fe5e94c604826c35a32fa832f35bd036b6799609",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/b42a2f66e8f1b15ccf25652c3424265923eb4f17",
+                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17",
                 "shasum": ""
             },
             "require": {
@@ -776,7 +776,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.11-dev"
+                    "dev-master": "1.12-dev"
                 }
             },
             "autoload": {
@@ -810,7 +810,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2019-02-06T07:57:58+00:00"
+            "time": "2019-08-06T08:03:45+00:00"
         },
         {
             "name": "symfony/process",
@@ -968,22 +968,22 @@
         },
         {
             "name": "phpspec/prophecy",
-            "version": "1.8.0",
+            "version": "1.9.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpspec/prophecy.git",
-                "reference": "4ba436b55987b4bf311cb7c6ba82aa528aac0a06"
+                "reference": "f6811d96d97bdf400077a0cc100ae56aa32b9203"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/4ba436b55987b4bf311cb7c6ba82aa528aac0a06",
-                "reference": "4ba436b55987b4bf311cb7c6ba82aa528aac0a06",
+                "url": "https://api.github.com/repos/phpspec/prophecy/zipball/f6811d96d97bdf400077a0cc100ae56aa32b9203",
+                "reference": "f6811d96d97bdf400077a0cc100ae56aa32b9203",
                 "shasum": ""
             },
             "require": {
                 "doctrine/instantiator": "^1.0.2",
                 "php": "^5.3|^7.0",
-                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0",
+                "phpdocumentor/reflection-docblock": "^2.0|^3.0.2|^4.0|^5.0",
                 "sebastian/comparator": "^1.1|^2.0|^3.0",
                 "sebastian/recursion-context": "^1.0|^2.0|^3.0"
             },
@@ -998,8 +998,8 @@
                 }
             },
             "autoload": {
-                "psr-0": {
-                    "Prophecy\\": "src/"
+                "psr-4": {
+                    "Prophecy\\": "src/Prophecy"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -1027,7 +1027,7 @@
                 "spy",
                 "stub"
             ],
-            "time": "2018-08-05T17:53:17+00:00"
+            "time": "2019-10-03T11:07:50+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",

doc/00-intro.md

@@ -106,7 +106,8 @@ Linux distributions.
 > `mkdir -p /usr/local/bin`.
 
 > **Note:** For information on changing your PATH, please read the
-> [Wikipedia article](https://en.wikipedia.org/wiki/PATH_(variable)) and/or use Google.
+> [Wikipedia article](https://en.wikipedia.org/wiki/PATH_(variable)) and/or use
+> your search engine of choice.
 
 Now run `composer` in order to run Composer instead of `php composer.phar`.
 
@@ -139,7 +140,7 @@ C:\bin>echo @php "%~dp0composer.phar" %*>composer.bat
 Add the directory to your PATH environment variable if it isn't already.
 For information on changing your PATH variable, please see
 [this article](https://www.computerhope.com/issues/ch000549.htm) and/or
-use Google.
+use your search engine of choice.
 
 Close your current terminal. Test usage with a new terminal:
 

doc/06-config.md

@@ -296,4 +296,9 @@ Example:
 Defaults to `true`. If set to `false`, Composer will not create `.htaccess` files
 in the composer home, cache, and data directories.
 
+## lock
+
+Defaults to `true`. If set to `false`, Composer will not create a `composer.lock` 
+file.
+
 ← [Repositories](05-repositories.md)  |  [Community](07-community.md) →

doc/articles/scripts.md

@@ -339,6 +339,9 @@ One limitation of this is that you can not call multiple commands in
 a row like `@php install && @php foo`. You must split them up in a
 JSON array of commands.
 
+You can also call a shell/bash script, which will have the path to
+the PHP executable available in it as a `PHP_BINARY` env var.
+
 ## Custom descriptions.
 
 You can set custom script descriptions with the following in your `composer.json`:

doc/articles/troubleshooting.md

@@ -211,6 +211,19 @@ To enable the swap you can use for example:
 ```
 You can make a permanent swap file following this [tutorial](https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-ubuntu-14-04).
 
+## proc_open(): failed to open stream errors (Windows)
+
+If composer shows proc_open(NUL) errors on Windows:
+
+`proc_open(NUL): failed to open stream: No such file or directory`
+
+This could be happening because you are working in a _OneDrive_ directory and
+using a version of PHP that does not support the file system semantics of this
+service. The issue was fixed in PHP 7.2.23 and 7.3.10.
+
+Alternatively it could be because the Windows Null Service is not enabled. For
+more information, see this [issue](https://github.com/composer/composer/issues/7186#issuecomment-373134916).
+
 ## Degraded Mode
 
 Due to some intermittent issues on Travis and other systems, we introduced a

res/composer-schema.json

@@ -11,7 +11,8 @@
         },
         "type": {
             "description": "Package type, either 'library' for common packages, 'composer-plugin' for plugins, 'metapackage' for empty packages, or a custom type ([a-z0-9-]+) defined by whatever project this package applies to.",
-            "type": "string"
+            "type": "string",
+            "pattern": "^[a-z0-9-]+$"
         },
         "target-dir": {
             "description": "DEPRECATED: Forces the package to be installed into the given subdirectory path. This is used for autoloading PSR-0 packages that do not contain their full path. Use forward slashes for cross-platform compatibility.",
@@ -39,7 +40,8 @@
         },
         "version": {
             "type": "string",
-            "description": "Package version, see https://getcomposer.org/doc/04-schema.md#version for more info on valid schemes."
+            "description": "Package version, see https://getcomposer.org/doc/04-schema.md#version for more info on valid schemes.",
+            "pattern": "^v?\\d+(((\\.\\d+)?\\.\\d+)?\\.\\d+)?"
         },
         "time": {
             "type": "string",
@@ -290,6 +292,10 @@
                 "sort-packages": {
                     "type": "boolean",
                     "description": "Defaults to false. If set to true, Composer will sort packages when adding/updating a new dependency."
+                },
+                "lock": {
+                    "type": "boolean",
+                    "description": "Defaults to true. If set to false, Composer will not create a composer.lock file."
                 }
             }
         },

src/Composer/Autoload/AutoloadGenerator.php

@@ -592,6 +592,9 @@ class ComposerAutoloaderInit$suffix
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::\$loader) {

src/Composer/Autoload/ClassMapGenerator.php

@@ -173,7 +173,7 @@ class ClassMapGenerator
             }
         }
         // strip non-php blocks in the file
-        $contents = preg_replace('{\?>.+<\?}s', '?><?', $contents);
+        $contents = preg_replace('{\?>(?:[^<]++|<(?!\?))*+<\?}s', '?><?', $contents);
         // strip trailing non-php code if needed
         $pos = strrpos($contents, '?>');
         if (false !== $pos && false === strpos(substr($contents, $pos), '<?')) {

src/Composer/Command/AboutCommand.php

@@ -42,5 +42,7 @@ EOT
 See https://getcomposer.org/ for more information.</comment>
 EOT
         );
+
+        return 0;
     }
 }

src/Composer/Command/BaseDependencyCommand.php

@@ -62,7 +62,7 @@ class BaseDependencyCommand extends BaseCommand
      * @param  InputInterface  $input
      * @param  OutputInterface $output
      * @param  bool            $inverted Whether to invert matching process (why-not vs why behaviour)
-     * @return int|null        Exit code of the operation.
+     * @return int             Exit code of the operation.
      */
     protected function doExecute(InputInterface $input, OutputInterface $output, $inverted = false)
     {

src/Composer/Command/ClearCacheCommand.php

@@ -70,5 +70,7 @@ EOT
         }
 
         $io->writeError('<info>All caches cleared.</info>');
+
+        return 0;
     }
 }

src/Composer/Command/ConfigCommand.php

@@ -412,6 +412,7 @@ EOT
             ),
             'github-expose-hostname' => array($booleanValidator, $booleanNormalizer),
             'htaccess-protect' => array($booleanValidator, $booleanNormalizer),
+            'lock' => array($booleanValidator, $booleanNormalizer),
         );
         $multiConfigValues = array(
             'github-protocols' => array(
@@ -463,13 +464,19 @@ EOT
                 $this->getIO()->writeError('<info>You are now running Composer with SSL/TLS protection enabled.</info>');
             }
 
-            return $this->configSource->removeConfigSetting($settingKey);
+            $this->configSource->removeConfigSetting($settingKey);
+
+            return 0;
         }
         if (isset($uniqueConfigValues[$settingKey])) {
-            return $this->handleSingleValue($settingKey, $uniqueConfigValues[$settingKey], $values, 'addConfigSetting');
+            $this->handleSingleValue($settingKey, $uniqueConfigValues[$settingKey], $values, 'addConfigSetting');
+
+            return 0;
         }
         if (isset($multiConfigValues[$settingKey])) {
-            return $this->handleMultiValue($settingKey, $multiConfigValues[$settingKey], $values, 'addConfigSetting');
+            $this->handleMultiValue($settingKey, $multiConfigValues[$settingKey], $values, 'addConfigSetting');
+
+            return 0;
         }
 
         // handle properties
@@ -530,38 +537,51 @@ EOT
             throw new \InvalidArgumentException('The '.$settingKey.' property can not be set in the global config.json file. Use `composer global config` to apply changes to the global composer.json');
         }
         if ($input->getOption('unset') && (isset($uniqueProps[$settingKey]) || isset($multiProps[$settingKey]))) {
-            return $this->configSource->removeProperty($settingKey);
+            $this->configSource->removeProperty($settingKey);
+
+            return 0;
         }
         if (isset($uniqueProps[$settingKey])) {
-            return $this->handleSingleValue($settingKey, $uniqueProps[$settingKey], $values, 'addProperty');
+            $this->handleSingleValue($settingKey, $uniqueProps[$settingKey], $values, 'addProperty');
+
+            return 0;
         }
         if (isset($multiProps[$settingKey])) {
-            return $this->handleMultiValue($settingKey, $multiProps[$settingKey], $values, 'addProperty');
+            $this->handleMultiValue($settingKey, $multiProps[$settingKey], $values, 'addProperty');
+
+            return 0;
         }
 
         // handle repositories
         if (preg_match('/^repos?(?:itories)?\.(.+)/', $settingKey, $matches)) {
             if ($input->getOption('unset')) {
-                return $this->configSource->removeRepository($matches[1]);
+                $this->configSource->removeRepository($matches[1]);
+
+                return 0;
             }
 
             if (2 === count($values)) {
-                return $this->configSource->addRepository($matches[1], array(
+                $this->configSource->addRepository($matches[1], array(
                     'type' => $values[0],
                     'url' => $values[1],
                 ));
+
+                return 0;
             }
 
             if (1 === count($values)) {
                 $value = strtolower($values[0]);
                 if (true === $booleanValidator($value)) {
                     if (false === $booleanNormalizer($value)) {
-                        return $this->configSource->addRepository($matches[1], false);
+                        $this->configSource->addRepository($matches[1], false);
+
+                        return 0;
                     }
                 } else {
                     $value = JsonFile::parseJson($values[0]);
+                    $this->configSource->addRepository($matches[1], $value);
 
-                    return $this->configSource->addRepository($matches[1], $value);
+                    return 0;
                 }
             }
 
@@ -571,22 +591,32 @@ EOT
         // handle extra
         if (preg_match('/^extra\.(.+)/', $settingKey, $matches)) {
             if ($input->getOption('unset')) {
-                return $this->configSource->removeProperty($settingKey);
+                $this->configSource->removeProperty($settingKey);
+
+                return 0;
             }
 
-            return $this->configSource->addProperty($settingKey, $values[0]);
+            $this->configSource->addProperty($settingKey, $values[0]);
+
+            return 0;
         }
 
         // handle platform
         if (preg_match('/^platform\.(.+)/', $settingKey, $matches)) {
             if ($input->getOption('unset')) {
-                return $this->configSource->removeConfigSetting($settingKey);
+                $this->configSource->removeConfigSetting($settingKey);
+
+                return 0;
             }
 
-            return $this->configSource->addConfigSetting($settingKey, $values[0]);
+            $this->configSource->addConfigSetting($settingKey, $values[0]);
+
+            return 0;
         }
         if ($settingKey === 'platform' && $input->getOption('unset')) {
-            return $this->configSource->removeConfigSetting($settingKey);
+            $this->configSource->removeConfigSetting($settingKey);
+
+            return 0;
         }
 
         // handle auth
@@ -595,7 +625,7 @@ EOT
                 $this->authConfigSource->removeConfigSetting($matches[1].'.'.$matches[2]);
                 $this->configSource->removeConfigSetting($matches[1].'.'.$matches[2]);
 
-                return;
+                return 0;
             }
 
             if ($matches[1] === 'bitbucket-oauth') {
@@ -618,16 +648,20 @@ EOT
                 $this->authConfigSource->addConfigSetting($matches[1].'.'.$matches[2], array('username' => $values[0], 'password' => $values[1]));
             }
 
-            return;
+            return 0;
         }
 
         // handle script
         if (preg_match('/^scripts\.(.+)/', $settingKey, $matches)) {
             if ($input->getOption('unset')) {
-                return $this->configSource->removeProperty($settingKey);
+                $this->configSource->removeProperty($settingKey);
+
+                return 0;
             }
 
-            return $this->configSource->addProperty($settingKey, count($values) > 1 ? $values : $values[0]);
+            $this->configSource->addProperty($settingKey, count($values) > 1 ? $values : $values[0]);
+
+            return 0;
         }
 
         throw new \InvalidArgumentException('Setting '.$settingKey.' does not exist or is not supported by this command');

src/Composer/Command/DependsCommand.php

@@ -48,7 +48,7 @@ EOT
      *
      * @param  InputInterface  $input
      * @param  OutputInterface $output
-     * @return int|null
+     * @return int
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {

src/Composer/Command/DumpAutoloadCommand.php

@@ -84,5 +84,7 @@ EOT
         } else {
             $this->getIO()->overwriteError('<info>Generated autoload files containing '. $numberOfClasses .' classes</info>');
         }
+
+        return 0;
     }
 }

src/Composer/Command/InitCommand.php

@@ -152,6 +152,8 @@ EOT
         if ($input->isInteractive() && $this->hasDependencies($options) && $io->askConfirmation($question, true)) {
             $this->installDependencies($output);
         }
+
+        return 0;
     }
 
     /**
@@ -400,7 +402,7 @@ EOT
         return $this->repos;
     }
 
-    protected function determineRequirements(InputInterface $input, OutputInterface $output, $requires = array(), $phpVersion = null, $preferredStability = 'stable', $checkProvidedVersions = true)
+    final protected function determineRequirements(InputInterface $input, OutputInterface $output, $requires = array(), $phpVersion = null, $preferredStability = 'stable', $checkProvidedVersions = true, $fixed = false)
     {
         if ($requires) {
             $requires = $this->normalizeRequirements($requires);
@@ -410,7 +412,7 @@ EOT
             foreach ($requires as $requirement) {
                 if (!isset($requirement['version'])) {
                     // determine the best version automatically
-                    list($name, $version) = $this->findBestVersionAndNameForPackage($input, $requirement['name'], $phpVersion, $preferredStability);
+                    list($name, $version) = $this->findBestVersionAndNameForPackage($input, $requirement['name'], $phpVersion, $preferredStability, null, null, $fixed);
                     $requirement['version'] = $version;
 
                     // replace package name from packagist.org
@@ -423,7 +425,7 @@ EOT
                     ));
                 } else {
                     // check that the specified version/constraint exists before we proceed
-                    list($name, $version) = $this->findBestVersionAndNameForPackage($input, $requirement['name'], $phpVersion, $preferredStability, $checkProvidedVersions ? $requirement['version'] : null, 'dev');
+                    list($name, $version) = $this->findBestVersionAndNameForPackage($input, $requirement['name'], $phpVersion, $preferredStability, $checkProvidedVersions ? $requirement['version'] : null, 'dev', $fixed);
 
                     // replace package name from packagist.org
                     $requirement['name'] = $name;
@@ -700,10 +702,11 @@ EOT
      * @param  string                    $preferredStability
      * @param  string|null               $requiredVersion
      * @param  string                    $minimumStability
+     * @param  bool                      $fixed
      * @throws \InvalidArgumentException
      * @return array                     name version
      */
-    private function findBestVersionAndNameForPackage(InputInterface $input, $name, $phpVersion, $preferredStability = 'stable', $requiredVersion = null, $minimumStability = null)
+    private function findBestVersionAndNameForPackage(InputInterface $input, $name, $phpVersion, $preferredStability = 'stable', $requiredVersion = null, $minimumStability = null, $fixed = null)
     {
         // find the latest version allowed in this repo set
         $versionSelector = new VersionSelector($this->getRepositorySet($input, $minimumStability));
@@ -777,7 +780,7 @@ EOT
 
         return array(
             $package->getPrettyName(),
-            $versionSelector->findRecommendedRequireVersion($package),
+            $fixed ? $package->getPrettyVersion() : $versionSelector->findRecommendedRequireVersion($package),
         );
     }
 

src/Composer/Command/LicensesCommand.php

@@ -110,6 +110,8 @@ EOT
             default:
                 throw new \RuntimeException(sprintf('Unsupported format "%s".  See help for supported formats.', $format));
         }
+
+        return 0;
     }
 
     /**

src/Composer/Command/OutdatedCommand.php

@@ -59,7 +59,7 @@ EOT
     protected function execute(InputInterface $input, OutputInterface $output)
     {
         $args = array(
-            'show',
+            'command' => 'show',
             '--latest' => true,
         );
         if (!$input->getOption('all')) {

src/Composer/Command/ProhibitsCommand.php

@@ -48,7 +48,7 @@ EOT
      *
      * @param  InputInterface  $input
      * @param  OutputInterface $output
-     * @return int|null
+     * @return int
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {

src/Composer/Command/RequireCommand.php

@@ -49,6 +49,7 @@ class RequireCommand extends InitCommand
                 new InputOption('dev', null, InputOption::VALUE_NONE, 'Add requirement to require-dev.'),
                 new InputOption('prefer-source', null, InputOption::VALUE_NONE, 'Forces installation from package sources when possible, including VCS information.'),
                 new InputOption('prefer-dist', null, InputOption::VALUE_NONE, 'Forces installation from package dist even for dev versions.'),
+                new InputOption('fixed', null, InputOption::VALUE_NONE, 'Write fixed version to the composer.json.'),
                 new InputOption('no-progress', null, InputOption::VALUE_NONE, 'Do not output download progress.'),
                 new InputOption('no-suggest', null, InputOption::VALUE_NONE, 'Do not show package suggestions.'),
                 new InputOption('no-update', null, InputOption::VALUE_NONE, 'Disables the automatic update of the dependencies.'),
@@ -99,7 +100,9 @@ EOT
 
             return 1;
         }
-        if (!is_readable($this->file)) {
+        // check for readability by reading the file as is_readable can not be trusted on network-mounts
+        // see https://github.com/composer/composer/issues/8231 and https://bugs.php.net/bug.php?id=68926
+        if (!is_readable($this->file) && false === Silencer::call('file_get_contents', $this->file)) {
             $io->writeError('<error>'.$this->file.' is not readable.</error>');
 
             return 1;
@@ -120,6 +123,25 @@ EOT
             return 1;
         }
 
+        if ($input->getOption('fixed') === true) {
+            $config = $this->json->read();
+
+            $packageType = empty($config['type']) ? 'library' : $config['type'];
+
+            /**
+             * @see https://github.com/composer/composer/pull/8313#issuecomment-532637955
+             */
+            if ($packageType !== 'project') {
+                $io->writeError('<error>"--fixed" option is allowed for "project" package types only to prevent possible misuses.</error>');
+
+                if (empty($config['type'])) {
+                    $io->writeError('<error>If your package is not library, you should explicitly specify "type" parameter in composer.json.</error>');
+                }
+
+                return 1;
+            }
+        }
+
         $composer = $this->getComposer(true, $input->getOption('no-plugins'));
         $repos = $composer->getRepositoryManager()->getRepositories();
 
@@ -137,7 +159,7 @@ EOT
         }
 
         $phpVersion = $this->repos->findPackage('php', '*')->getPrettyVersion();
-        $requirements = $this->determineRequirements($input, $output, $input->getArgument('packages'), $phpVersion, $preferredStability, !$input->getOption('no-update'));
+        $requirements = $this->determineRequirements($input, $output, $input->getArgument('packages'), $phpVersion, $preferredStability, !$input->getOption('no-update'), $input->getOption('fixed'));
 
         $requireKey = $input->getOption('dev') ? 'require-dev' : 'require';
         $removeKey = $input->getOption('dev') ? 'require' : 'require-dev';

src/Composer/Command/SearchCommand.php

@@ -79,5 +79,7 @@ EOT
         foreach ($results as $result) {
             $io->write($result['name'] . (isset($result['description']) ? ' '. $result['description'] : ''));
         }
+
+        return 0;
     }
 }

src/Composer/Command/SelfUpdateCommand.php

@@ -254,6 +254,8 @@ TAGSPUBKEY
         } else {
             $io->writeError('<warning>A backup of the current version could not be written to '.$backupFile.', no rollback possible</warning>');
         }
+
+        return 0;
     }
 
     protected function fetchKeys(IOInterface $io, Config $config)

src/Composer/Command/ShowCommand.php

@@ -129,6 +129,12 @@ EOT
             return 1;
         }
 
+        if ($input->getOption('tree') && $input->getOption('path')) {
+            $io->writeError('The --tree (-t) option is not usable in combination with --path (-P)');
+
+            return 1;
+        }
+
         $format = $input->getOption('format');
         if (!in_array($format, array('text', 'json'))) {
             $io->writeError(sprintf('Unsupported format "%s". See help for supported formats.', $format));
@@ -586,6 +592,7 @@ EOT
         }
         $io->write('<info>type</info>     : ' . $package->getType());
         $this->printLicenses($package);
+        $io->write('<info>homepage</info> : ' . $package->getHomepage());
         $io->write('<info>source</info>   : ' . sprintf('[%s] <comment>%s</comment> %s', $package->getSourceType(), $package->getSourceUrl(), $package->getSourceReference()));
         $io->write('<info>dist</info>     : ' . sprintf('[%s] <comment>%s</comment> %s', $package->getDistType(), $package->getDistUrl(), $package->getDistReference()));
         if ($installedRepo->hasPackage($package)) {

src/Composer/Command/StatusCommand.php

@@ -61,7 +61,7 @@ EOT
     /**
      * @param  InputInterface  $input
      * @param  OutputInterface $output
-     * @return int|null
+     * @return int
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {

src/Composer/Command/SuggestsCommand.php

@@ -93,7 +93,7 @@ EOT
                 continue;
             }
             foreach ($package['suggest'] as $suggestion => $reason) {
-                if (false === strpos('/', $suggestion) && null !== $platform->findPackage($suggestion, '*')) {
+                if (preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $suggestion) && null !== $platform->findPackage($suggestion, '*')) {
                     continue;
                 }
                 if (!isset($installed[$suggestion])) {
@@ -121,7 +121,7 @@ EOT
                 $io->write(sprintf('<info>%s</info>', $suggestion));
             }
 
-            return null;
+            return 0;
         }
 
         // Grouped by package
@@ -151,5 +151,7 @@ EOT
                 $io->write('');
             }
         }
+
+        return 0;
     }
 }

src/Composer/Config.php

@@ -63,6 +63,7 @@ class Config
         'archive-dir' => '.',
         'htaccess-protect' => true,
         'use-github-api' => true,
+        'lock' => true,
         // valid keys without defaults (auth config stuff):
         // bitbucket-oauth
         // github-oauth
@@ -329,6 +330,8 @@ class Config
                 return $this->config[$key] !== 'false' && (bool) $this->config[$key];
             case 'use-github-api':
                 return $this->config[$key] !== 'false' && (bool) $this->config[$key];
+            case 'lock':
+                return $this->config[$key] !== 'false' && (bool) $this->config[$key];
             default:
                 if (!isset($this->config[$key])) {
                     return null;

src/Composer/Console/Application.php

@@ -113,6 +113,10 @@ class Application extends BaseApplication
     {
         $this->disablePluginsByDefault = $input->hasParameterOption('--no-plugins');
 
+        if (getenv('COMPOSER_NO_INTERACTION')) {
+            $input->setInteractive(false);
+        }
+
         $io = $this->io = new ConsoleIO($input, $output, new HelperSet(array(
             new QuestionHelper(),
         )));
@@ -208,11 +212,7 @@ class Application extends BaseApplication
                 $io->writeError(sprintf('<warning>Warning: This development build of composer is over 60 days old. It is recommended to update it by running "%s self-update" to get the latest version.</warning>', $_SERVER['PHP_SELF']));
             }
 
-            if (getenv('COMPOSER_NO_INTERACTION')) {
-                $input->setInteractive(false);
-            }
-
-            if (!Platform::isWindows() && function_exists('exec') && !getenv('COMPOSER_ALLOW_SUPERUSER')) {
+            if (!Platform::isWindows() && function_exists('exec') && !getenv('COMPOSER_ALLOW_SUPERUSER') && !file_exists('/.dockerenv')) {
                 if (function_exists('posix_getuid') && posix_getuid() === 0) {
                     if ($commandName !== 'self-update' && $commandName !== 'selfupdate') {
                         $io->writeError('<warning>Do not run Composer as root/super user! See https://getcomposer.org/root for details</warning>');

src/Composer/DependencyResolver/Decisions.php

@@ -183,7 +183,7 @@ class Decisions implements \Iterator, \Countable
 
         $previousDecision = isset($this->decisionMap[$packageId]) ? $this->decisionMap[$packageId] : null;
         if ($previousDecision != 0) {
-            $literalString = $this->pool->literalToString($literal);
+            $literalString = $this->pool->literalToPrettyString($literal, array());
             $package = $this->pool->literalToPackage($literal);
             throw new SolverBugException(
                 "Trying to decide $literalString on level $level, even though $package was previously decided as ".(int) $previousDecision."."

src/Composer/Installer.php

@@ -119,7 +119,7 @@ class Installer
     protected $preferStable = false;
     protected $preferLowest = false;
     protected $skipSuggest = false;
-    protected $writeLock = true;
+    protected $writeLock;
     protected $executeOperations = true;
 
     /**
@@ -165,6 +165,8 @@ class Installer
         $this->installationManager = $installationManager;
         $this->eventDispatcher = $eventDispatcher;
         $this->autoloadGenerator = $autoloadGenerator;
+
+        $this->writeLock = $config->get('lock');
     }
 
     /**

src/Composer/Repository/BaseRepository.php

@@ -98,6 +98,27 @@ abstract class BaseRepository implements RepositoryInterface
             // Replacements are considered valid reasons for a package to be installed during forward resolution
             if (!$invert) {
                 $links += $package->getReplaces();
+
+                // On forward search, check if any replaced package was required and add the replaced
+                // packages to the list of needles. Contrary to the cross-reference link check below,
+                // replaced packages are the target of links.
+                foreach ($package->getReplaces() as $link) {
+                    foreach ($needles as $needle) {
+                        if ($link->getSource() === $needle) {
+                            if ($constraint === null || ($link->getConstraint()->matches($constraint) === !$invert)) {
+                                // already displayed this node's dependencies, cutting short
+                                if (in_array($link->getTarget(), $packagesInTree)) {
+                                    $results[] = array($package, $link, false);
+                                    continue;
+                                }
+                                $packagesInTree[] = $link->getTarget();
+                                $dependents = $recurse ? $this->getDependents($link->getTarget(), null, false, true, $packagesInTree) : array();
+                                $results[] = array($package, $link, $dependents);
+                                $needles[] = $link->getTarget();
+                            }
+                        }
+                    }
+                }
             }
 
             // Require-dev is only relevant for the root package
@@ -112,12 +133,12 @@ abstract class BaseRepository implements RepositoryInterface
                         if ($constraint === null || ($link->getConstraint()->matches($constraint) === !$invert)) {
                             // already displayed this node's dependencies, cutting short
                             if (in_array($link->getSource(), $packagesInTree)) {
-                                $results[$link->getSource()] = array($package, $link, false);
+                                $results[] = array($package, $link, false);
                                 continue;
                             }
                             $packagesInTree[] = $link->getSource();
                             $dependents = $recurse ? $this->getDependents($link->getSource(), null, false, true, $packagesInTree) : array();
-                            $results[$link->getSource()] = array($package, $link, $dependents);
+                            $results[] = array($package, $link, $dependents);
                         }
                     }
                 }

src/Composer/Repository/PathRepository.php

@@ -125,7 +125,13 @@ class PathRepository extends ArrayRepository implements ConfigurableRepositoryIn
     {
         parent::initialize();
 
-        foreach ($this->getUrlMatches() as $url) {
+        $urlMatches = $this->getUrlMatches();
+
+        if (empty($urlMatches)) {
+            throw new \RuntimeException('The `url` supplied for the path (' . $this->url . ') repository does not exist');
+        }
+
+        foreach ($urlMatches as $url) {
             $path = realpath($url) . DIRECTORY_SEPARATOR;
             $composerFilePath = $path.'composer.json';
 
@@ -155,7 +161,11 @@ class PathRepository extends ArrayRepository implements ConfigurableRepositoryIn
 
             if (!isset($package['version'])) {
                 $versionData = $this->versionGuesser->guessVersion($package, $path);
-                $package['version'] = $versionData['pretty_version'] ?: 'dev-master';
+                if (is_array($versionData) && $versionData['pretty_version']) {
+                    $package['version'] = $versionData['pretty_version'];
+                } else {
+                    $package['version'] = 'dev-master';
+                }
             }
 
             $output = '';

src/Composer/Repository/Vcs/BitbucketDriver.php

@@ -47,7 +47,7 @@ abstract class BitbucketDriver extends VcsDriver
      */
     public function initialize()
     {
-        preg_match('#^https?://bitbucket\.org/([^/]+)/([^/]+?)(\.git|/?)$#', $this->url, $match);
+        preg_match('#^https?://bitbucket\.org/([^/]+)/([^/]+?)(\.git|/?)$#i', $this->url, $match);
         $this->owner = $match[1];
         $this->repository = $match[2];
         $this->originUrl = 'bitbucket.org';

src/Composer/Repository/Vcs/GitBitbucketDriver.php

@@ -53,7 +53,7 @@ class GitBitbucketDriver extends BitbucketDriver
      */
     public static function supports(IOInterface $io, Config $config, $url, $deep = false)
     {
-        if (!preg_match('#^https?://bitbucket\.org/([^/]+)/(.+?)\.git$#', $url)) {
+        if (!preg_match('#^https?://bitbucket\.org/([^/]+)/(.+?)\.git$#i', $url)) {
             return false;
         }
 

src/Composer/Repository/Vcs/GitHubDriver.php

@@ -48,10 +48,10 @@ class GitHubDriver extends VcsDriver
      */
     public function initialize()
     {
-        preg_match('#^(?:(?:https?|git)://([^/]+)/|git@([^:]+):)([^/]+)/(.+?)(?:\.git|/)?$#', $this->url, $match);
+        preg_match('#^(?:(?:https?|git)://([^/]+)/|git@([^:]+):/?)([^/]+)/(.+?)(?:\.git|/)?$#', $this->url, $match);
         $this->owner = $match[3];
         $this->repository = $match[4];
-        $this->originUrl = !empty($match[1]) ? $match[1] : $match[2];
+        $this->originUrl = strtolower(!empty($match[1]) ? $match[1] : $match[2]);
         if ($this->originUrl === 'www.github.com') {
             $this->originUrl = 'github.com';
         }
@@ -270,12 +270,12 @@ class GitHubDriver extends VcsDriver
      */
     public static function supports(IOInterface $io, Config $config, $url, $deep = false)
     {
-        if (!preg_match('#^((?:https?|git)://([^/]+)/|git@([^:]+):)([^/]+)/(.+?)(?:\.git|/)?$#', $url, $matches)) {
+        if (!preg_match('#^((?:https?|git)://([^/]+)/|git@([^:]+):/?)([^/]+)/(.+?)(?:\.git|/)?$#', $url, $matches)) {
             return false;
         }
 
         $originUrl = !empty($matches[2]) ? $matches[2] : $matches[3];
-        if (!in_array(preg_replace('{^www\.}i', '', $originUrl), $config->get('github-domains'))) {
+        if (!in_array(strtolower(preg_replace('{^www\.}i', '', $originUrl)), $config->get('github-domains'))) {
             return false;
         }
 

src/Composer/Repository/Vcs/GitLabDriver.php

@@ -497,6 +497,8 @@ class GitLabDriver extends VcsDriver
      */
     private static function determineOrigin(array $configuredDomains, $guessedDomain, array &$urlParts, $portNumber)
     {
+        $guessedDomain = strtolower($guessedDomain);
+
         if (in_array($guessedDomain, $configuredDomains) || ($portNumber && in_array($guessedDomain.':'.$portNumber, $configuredDomains))) {
             if ($portNumber) {
                 return $guessedDomain.':'.$portNumber;

src/Composer/Repository/Vcs/HgBitbucketDriver.php

@@ -53,7 +53,7 @@ class HgBitbucketDriver extends BitbucketDriver
      */
     public static function supports(IOInterface $io, Config $config, $url, $deep = false)
     {
-        if (!preg_match('#^https?://bitbucket\.org/([^/]+)/([^/]+)/?$#', $url)) {
+        if (!preg_match('#^https?://bitbucket\.org/([^/]+)/([^/]+)/?$#i', $url)) {
             return false;
         }
 

src/Composer/Repository/Vcs/HgDriver.php

@@ -71,7 +71,7 @@ class HgDriver extends VcsDriver
                     return sprintf('hg clone --noupdate %s %s', ProcessExecutor::escape($url), ProcessExecutor::escape($repoDir));
                 };
 
-                $hgUtils->runCommand($command, $this->url, $this->repoDir);
+                $hgUtils->runCommand($command, $this->url, null);
             }
         }
 

src/Composer/Util/AuthHelper.php

@@ -23,6 +23,7 @@ class AuthHelper
 {
     protected $io;
     protected $config;
+    private $displayedOriginAuthentications = array();
 
     public function __construct(IOInterface $io, Config $config)
     {
@@ -172,7 +173,7 @@ class AuthHelper
                 throw new TransportException("Invalid credentials for '" . $url . "', aborting.", $statusCode);
             }
 
-            $this->io->writeError('    Authentication required (<info>'.parse_url($url, PHP_URL_HOST).'</info>):');
+            $this->io->writeError('    Authentication required (<info>'.$origin.'</info>):');
             $username = $this->io->ask('      Username: ');
             $password = $this->io->askAndHideAnswer('      Password: ');
             $this->io->setAuthentication($origin, $username, $password);
@@ -193,14 +194,18 @@ class AuthHelper
     public function addAuthenticationHeader(array $headers, $origin, $url)
     {
         if ($this->io->hasAuthentication($origin)) {
+            $authenticationDisplayMessage = null;
             $auth = $this->io->getAuthentication($origin);
             if ('github.com' === $origin && 'x-oauth-basic' === $auth['password']) {
                 $headers[] = 'Authorization: token '.$auth['username'];
+                $authenticationDisplayMessage = 'Using GitHub token authentication';
             } elseif (in_array($origin, $this->config->get('gitlab-domains'), true)) {
                 if ($auth['password'] === 'oauth2') {
                     $headers[] = 'Authorization: Bearer '.$auth['username'];
+                    $authenticationDisplayMessage = 'Using GitLab OAuth token authentication';
                 } elseif ($auth['password'] === 'private-token') {
                     $headers[] = 'PRIVATE-TOKEN: '.$auth['username'];
+                    $authenticationDisplayMessage = 'Using GitLab private token authentication';
                 }
             } elseif (
                 'bitbucket.org' === $origin
@@ -209,10 +214,17 @@ class AuthHelper
             ) {
                 if (!$this->isPublicBitBucketDownload($url)) {
                     $headers[] = 'Authorization: Bearer ' . $auth['password'];
+                    $authenticationDisplayMessage = 'Using Bitbucket OAuth token authentication';
                 }
             } else {
                 $authStr = base64_encode($auth['username'] . ':' . $auth['password']);
                 $headers[] = 'Authorization: Basic '.$authStr;
+                $authenticationDisplayMessage = 'Using HTTP basic authentication with username "' . $auth['username'] . '"';
+            }
+
+            if ($authenticationDisplayMessage && !in_array($origin, $this->displayedOriginAuthentications, true)) {
+                $this->io->writeError($authenticationDisplayMessage, true, IOInterface::DEBUG);
+                $this->displayedOriginAuthentications[] = $origin;
             }
         }
 
@@ -243,4 +255,15 @@ class AuthHelper
 
         return count($pathParts) >= 4 && $pathParts[3] == 'downloads';
     }
+
+    /**
+     * @param string $url
+     * @return string
+     */
+    public function stripCredentialsFromUrl($url)
+    {
+        // GitHub repository rename result in redirect locations containing the access_token as GET parameter
+        // e.g. https://api.github.com/repositories/9999999999?access_token=github_token
+        return preg_replace('{([&?]access_token=)[^&]+}', '$1***', $url);
+    }
 }

src/Composer/Util/Filesystem.php

@@ -687,12 +687,14 @@ class Filesystem
         if (!Platform::isWindows()) {
             return false;
         }
+
+        // Important to clear all caches first
+        clearstatcache(true, $junction);
+
         if (!is_dir($junction) || is_link($junction)) {
             return false;
         }
 
-        // Important to clear all caches first
-        clearstatcache(true, $junction);
         $stat = lstat($junction);
 
         // S_ISDIR test (S_IFDIR is 0x4000, S_IFMT is 0xF000 bitmask)

src/Composer/Util/Git.php

@@ -193,7 +193,7 @@ class Git
                         }
                     }
 
-                    $this->io->writeError('    Authentication required (<info>' . parse_url($url, PHP_URL_HOST) . '</info>):');
+                    $this->io->writeError('    Authentication required (<info>' . $match[2] . '</info>):');
                     $auth = array(
                         'username' => $this->io->ask('      Username: ', $defaultUsername),
                         'password' => $this->io->askAndHideAnswer('      Password: '),

src/Composer/Util/Http/CurlDownloader.php

@@ -195,7 +195,7 @@ class CurlDownloader
         $usingProxy = !empty($options['http']['proxy']) ? ' using proxy ' . $options['http']['proxy'] : '';
         $ifModified = false !== strpos(strtolower(implode(',', $options['http']['header'])), 'if-modified-since:') ? ' if modified' : '';
         if ($attributes['redirects'] === 0) {
-            $this->io->writeError('Downloading ' . $url . $usingProxy . $ifModified, true, IOInterface::DEBUG);
+            $this->io->writeError('Downloading ' . $this->authHelper->stripCredentialsFromUrl($url) . $usingProxy . $ifModified, true, IOInterface::DEBUG);
         }
 
         $this->checkCurlResult(curl_multi_add_handle($this->multiHandle, $curlHandle));
@@ -254,12 +254,12 @@ class CurlDownloader
                         $contents = stream_get_contents($job['bodyHandle']);
                     }
                     $response = new Response(array('url' => $progress['url']), $statusCode, $headers, $contents);
-                    $this->io->writeError('['.$statusCode.'] '.$progress['url'], true, IOInterface::DEBUG);
+                    $this->io->writeError('['.$statusCode.'] '.$this->authHelper->stripCredentialsFromUrl($progress['url']), true, IOInterface::DEBUG);
                 } else {
                     rewind($job['bodyHandle']);
                     $contents = stream_get_contents($job['bodyHandle']);
                     $response = new Response(array('url' => $progress['url']), $statusCode, $headers, $contents);
-                    $this->io->writeError('['.$statusCode.'] '.$progress['url'], true, IOInterface::DEBUG);
+                    $this->io->writeError('['.$statusCode.'] '.$this->authHelper->stripCredentialsFromUrl($progress['url']), true, IOInterface::DEBUG);
                 }
                 fclose($job['bodyHandle']);
 
@@ -362,7 +362,7 @@ class CurlDownloader
         }
 
         if (!empty($targetUrl)) {
-            $this->io->writeError(sprintf('Following redirect (%u) %s', $job['attributes']['redirects'] + 1, $targetUrl), true, IOInterface::DEBUG);
+            $this->io->writeError(sprintf('Following redirect (%u) %s', $job['attributes']['redirects'] + 1, $this->authHelper->stripCredentialsFromUrl($targetUrl)), true, IOInterface::DEBUG);
 
             return $targetUrl;
         }

src/Composer/Util/RemoteFilesystem.php

@@ -246,7 +246,7 @@ class RemoteFilesystem
 
         $actualContextOptions = stream_context_get_options($ctx);
         $usingProxy = !empty($actualContextOptions['http']['proxy']) ? ' using proxy ' . $actualContextOptions['http']['proxy'] : '';
-        $this->io->writeError((substr($origFileUrl, 0, 4) === 'http' ? 'Downloading ' : 'Reading ') . $origFileUrl . $usingProxy, true, IOInterface::DEBUG);
+        $this->io->writeError((substr($origFileUrl, 0, 4) === 'http' ? 'Downloading ' : 'Reading ') . $this->authHelper->stripCredentialsFromUrl($origFileUrl) . $usingProxy, true, IOInterface::DEBUG);
         unset($origFileUrl, $actualContextOptions);
 
         // Check for secure HTTP, but allow insecure Packagist calls to $hashed providers as file integrity is verified with sha256
@@ -704,7 +704,7 @@ class RemoteFilesystem
             $this->redirects++;
 
             $this->io->writeError('', true, IOInterface::DEBUG);
-            $this->io->writeError(sprintf('Following redirect (%u) %s', $this->redirects, $targetUrl), true, IOInterface::DEBUG);
+            $this->io->writeError(sprintf('Following redirect (%u) %s', $this->redirects, $this->authHelper->stripCredentialsFromUrl($targetUrl)), true, IOInterface::DEBUG);
 
             $additionalOptions['redirects'] = $this->redirects;
 

src/Composer/Util/Zip.php

@@ -21,7 +21,6 @@ class Zip
      * Gets content of the root composer.json inside a ZIP archive.
      *
      * @param string $pathToZip
-     * @param string $filename
      *
      * @return string|null
      */

tests/Composer/Test/ApplicationTest.php

@@ -25,12 +25,18 @@ class ApplicationTest extends TestCase
         $inputMock = $this->getMockBuilder('Symfony\Component\Console\Input\InputInterface')->getMock();
         $outputMock = $this->getMockBuilder('Symfony\Component\Console\Output\OutputInterface')->getMock();
 
+        putenv('COMPOSER_NO_INTERACTION=1');
+
         $index = 0;
         $inputMock->expects($this->at($index++))
             ->method('hasParameterOption')
             ->with($this->equalTo('--no-plugins'))
             ->will($this->returnValue(true));
 
+        $inputMock->expects($this->at($index++))
+            ->method('setInteractive')
+            ->with($this->equalTo(false));
+
         $inputMock->expects($this->at($index++))
             ->method('hasParameterOption')
             ->with($this->equalTo('--no-cache'))
@@ -83,12 +89,18 @@ class ApplicationTest extends TestCase
         $inputMock = $this->getMockBuilder('Symfony\Component\Console\Input\InputInterface')->getMock();
         $outputMock = $this->getMockBuilder('Symfony\Component\Console\Output\OutputInterface')->getMock();
 
+        putenv('COMPOSER_NO_INTERACTION=1');
+
         $index = 0;
         $inputMock->expects($this->at($index++))
             ->method('hasParameterOption')
             ->with($this->equalTo('--no-plugins'))
             ->will($this->returnValue(true));
 
+        $inputMock->expects($this->at($index++))
+            ->method('setInteractive')
+            ->with($this->equalTo(false));
+
         $inputMock->expects($this->at($index++))
             ->method('hasParameterOption')
             ->with($this->equalTo('--no-cache'))

tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php

@@ -13,6 +13,9 @@ class ComposerAutoloaderInitFilesAutoloadOrder
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::$loader) {

tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php

@@ -13,6 +13,9 @@ class ComposerAutoloaderInitFilesAutoload
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::$loader) {

tests/Composer/Test/Autoload/Fixtures/autoload_real_functions_with_include_paths.php

@@ -13,6 +13,9 @@ class ComposerAutoloaderInitFilesAutoload
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::$loader) {

tests/Composer/Test/Autoload/Fixtures/autoload_real_functions_with_removed_include_paths_and_autolad_files.php

@@ -13,6 +13,9 @@ class ComposerAutoloaderInitFilesAutoload
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::$loader) {

tests/Composer/Test/Autoload/Fixtures/autoload_real_include_path.php

@@ -13,6 +13,9 @@ class ComposerAutoloaderInitIncludePath
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::$loader) {

tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php

@@ -13,6 +13,9 @@ class ComposerAutoloaderInitTargetDir
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::$loader) {

tests/Composer/Test/Autoload/Fixtures/classmap/LargeGap.php

@@ -1385,6 +1385,10 @@ namespace Foo;
     <?php
 class LargeGap
 {
-    public function a1380() { var_dump(var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null)); }
+    public function test_double_gap() { var_dump(var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null));
+        ?>
+    public function a1381() { var_dump(var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null), var_dump(null)); }
+        <?php
+    }
 }
 

tests/Composer/Test/Fixtures/installer/install-without-lock.test

@@ -0,0 +1,25 @@
+--TEST--
+Installs from composer.json without writing a lock file
+--COMPOSER--
+{
+    "repositories": [
+        {
+            "type": "package",
+            "package": [
+                { "name": "a/a", "version": "1.0.0" }
+            ]
+        }
+    ],
+    "require": {
+        "a/a": "1.0.0"
+    },
+    "config": {
+        "lock": "false"
+    }
+}
+--RUN--
+install
+--EXPECT--
+Installing a/a (1.0.0)
+--EXPECT-LOCK--
+false

tests/Composer/Test/Fixtures/installer/update-without-lock.test

@@ -0,0 +1,25 @@
+--TEST--
+Updates when no lock file is present without writing a lock file
+--COMPOSER--
+{
+    "repositories": [
+        {
+            "type": "package",
+            "package": [
+                { "name": "a/a", "version": "1.0.0" }
+            ]
+        }
+    ],
+    "require": {
+        "a/a": "1.0.0"
+    },
+    "config": {
+        "lock": false
+    }
+}
+--RUN--
+update
+--EXPECT--
+Installing a/a (1.0.0)
+--EXPECT-LOCK--
+false

tests/Composer/Test/InstallerTest.php

@@ -199,6 +199,9 @@ class InstallerTest extends TestCase
                     // so store value temporarily in reference for later assetion
                     $actualLock = $hash;
                 }));
+        } elseif ($expectLock === false) {
+            $lockJsonMock->expects($this->never())
+                ->method('write');
         }
 
         $contents = json_encode($composerConfig);
@@ -282,15 +285,15 @@ class InstallerTest extends TestCase
                 continue;
             }
 
-            $testData = $this->readTestFile($file, $fixturesDir);
+            try {
+                $testData = $this->readTestFile($file, $fixturesDir);
 
-            $installed = array();
-            $installedDev = array();
-            $lock = array();
-            $expectLock = array();
-            $expectResult = 0;
+                $installed = array();
+                $installedDev = array();
+                $lock = array();
+                $expectLock = array();
+                $expectResult = 0;
 
-            try {
                 $message = $testData['TEST'];
                 $condition = !empty($testData['CONDITION']) ? $testData['CONDITION'] : null;
                 $composer = JsonFile::parseJson($testData['COMPOSER']);
@@ -321,7 +324,11 @@ class InstallerTest extends TestCase
                 }
                 $run = $testData['RUN'];
                 if (!empty($testData['EXPECT-LOCK'])) {
-                    $expectLock = JsonFile::parseJson($testData['EXPECT-LOCK']);
+                    if ($testData['EXPECT-LOCK'] === 'false') {
+                        $expectLock = false;
+                    } else {
+                        $expectLock = JsonFile::parseJson($testData['EXPECT-LOCK']);
+                    }
                 }
                 $expectOutput = isset($testData['EXPECT-OUTPUT']) ? $testData['EXPECT-OUTPUT'] : null;
                 $expect = $testData['EXPECT'];

tests/Composer/Test/Repository/PathRepositoryTest.php

@@ -19,6 +19,22 @@ use Composer\Package\Version\VersionParser;
 
 class PathRepositoryTest extends TestCase
 {
+
+    /**
+     * @expectedException RuntimeException
+     */
+    public function testLoadPackageFromFileSystemWithIncorrectPath()
+    {
+        $ioInterface = $this->getMockBuilder('Composer\IO\IOInterface')
+            ->getMock();
+
+        $config = new \Composer\Config();
+
+        $repositoryUrl = implode(DIRECTORY_SEPARATOR, array(__DIR__, 'Fixtures', 'path', 'missing'));
+        $repository = new PathRepository(array('url' => $repositoryUrl), $ioInterface, $config);
+        $repository->getPackages();
+    }
+
     public function testLoadPackageFromFileSystemWithVersion()
     {
         $ioInterface = $this->getMockBuilder('Composer\IO\IOInterface')

tests/Composer/Test/Util/FilesystemTest.php

@@ -300,16 +300,16 @@ class FilesystemTest extends TestCase
 
         // Create and detect junction
         $fs->junction($target, $junction);
-        $this->assertTrue($fs->isJunction($junction));
-        $this->assertFalse($fs->isJunction($target));
-        $this->assertTrue($fs->isJunction($target . '/../../junction'));
-        $this->assertFalse($fs->isJunction($junction . '/../real'));
-        $this->assertTrue($fs->isJunction($junction . '/../junction'));
+        $this->assertTrue($fs->isJunction($junction), $junction . ': is a junction');
+        $this->assertFalse($fs->isJunction($target), $target . ': is not a junction');
+        $this->assertTrue($fs->isJunction($target . '/../../junction'), $target . '/../../junction: is a junction');
+        $this->assertFalse($fs->isJunction($junction . '/../real'), $junction . '/../real: is not a junction');
+        $this->assertTrue($fs->isJunction($junction . '/../junction'), $junction . '/../junction: is a junction');
 
         // Remove junction
-        $this->assertTrue(is_dir($junction));
-        $this->assertTrue($fs->removeJunction($junction));
-        $this->assertFalse(is_dir($junction));
+        $this->assertTrue(is_dir($junction), $junction . ' is a directory');
+        $this->assertTrue($fs->removeJunction($junction), $junction . ' has been removed');
+        $this->assertFalse(is_dir($junction), $junction . ' is not a directory');
     }
 
     public function testCopy()