Rename master branch to main

.github/CONTRIBUTING.md

@@ -2,7 +2,7 @@ Contributing to Composer
 ========================
 
 Please note that this project is released with a
-[Contributor Code of Conduct](https://github.com/composer/composer/blob/master/CODE_OF_CONDUCT.md).
+[Contributor Code of Conduct](https://github.com/composer/composer/blob/main/CODE_OF_CONDUCT.md).
 By participating in this project you agree to abide by its terms.
 
 Reporting Issues

composer.json

@@ -55,7 +55,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.1-dev"
+            "dev-main": "2.1-dev"
         }
     },
     "autoload": {

doc/07-runtime.md

@@ -95,7 +95,7 @@ possible for safety.
 ----
 
 A few other methods are available for more complex usages, please refer to the
-source/docblocks of [the class itself](https://github.com/composer/composer/blob/master/src/Composer/InstalledVersions.php).
+source/docblocks of [the class itself](https://github.com/composer/composer/blob/main/src/Composer/InstalledVersions.php).
 
 ### Knowing the path in which a package is installed
 

doc/08-community.md

@@ -7,7 +7,7 @@ contributing.
 
 If you would like to contribute to Composer, please read the
 [README](https://github.com/composer/composer) and
-[CONTRIBUTING](https://github.com/composer/composer/blob/master/.github/CONTRIBUTING.md)
+[CONTRIBUTING](https://github.com/composer/composer/blob/main/.github/CONTRIBUTING.md)
 documents.
 
 The most important guidelines are described as follows:

doc/articles/custom-installers.md

@@ -210,6 +210,6 @@ different installation path.
 
 [1]: ../04-schema.md#type
 [2]: ../04-schema.md#extra
-[3]: https://github.com/composer/composer/blob/master/src/Composer/Plugin/PluginInterface.php
-[4]: https://github.com/composer/composer/blob/master/src/Composer/Installer/InstallerInterface.php
-[5]: https://github.com/composer/composer/blob/master/src/Composer/Installer/LibraryInstaller.php
+[3]: https://github.com/composer/composer/blob/main/src/Composer/Plugin/PluginInterface.php
+[4]: https://github.com/composer/composer/blob/main/src/Composer/Installer/InstallerInterface.php
+[5]: https://github.com/composer/composer/blob/main/src/Composer/Installer/LibraryInstaller.php

doc/articles/plugins.md

@@ -325,12 +325,12 @@ process however, so do not use it in plugins which do not absolutely require it.
 
 [1]: ../04-schema.md#type
 [2]: ../04-schema.md#extra
-[3]: https://github.com/composer/composer/blob/master/src/Composer/Plugin/PluginInterface.php
-[4]: https://github.com/composer/composer/blob/master/src/Composer/Composer.php
-[5]: https://github.com/composer/composer/blob/master/src/Composer/IO/IOInterface.php
-[6]: https://github.com/composer/composer/blob/master/src/Composer/EventDispatcher/EventSubscriberInterface.php
+[3]: https://github.com/composer/composer/blob/main/src/Composer/Plugin/PluginInterface.php
+[4]: https://github.com/composer/composer/blob/main/src/Composer/Composer.php
+[5]: https://github.com/composer/composer/blob/main/src/Composer/IO/IOInterface.php
+[6]: https://github.com/composer/composer/blob/main/src/Composer/EventDispatcher/EventSubscriberInterface.php
 [7]: ../01-basic-usage.md#package-versions
-[8]: https://github.com/composer/composer/blob/master/src/Composer/Plugin/Capable.php
-[9]: https://github.com/composer/composer/blob/master/src/Composer/Plugin/Capability/CommandProvider.php
+[8]: https://github.com/composer/composer/blob/main/src/Composer/Plugin/Capable.php
+[9]: https://github.com/composer/composer/blob/main/src/Composer/Plugin/Capability/CommandProvider.php
 [10]: https://symfony.com/doc/current/components/console.html
-[11]: https://github.com/composer/composer/blob/master/src/Composer/Util/SyncHelper.php
+[11]: https://github.com/composer/composer/blob/main/src/Composer/Util/SyncHelper.php

doc/articles/scripts.md

@@ -178,15 +178,15 @@ Depending on the [script types](#event-names) you will get various event
 subclasses containing various getters with relevant data and associated
 objects:
 
-- Base class: [`Composer\EventDispatcher\Event`](https://github.com/composer/composer/blob/master/src/Composer/EventDispatcher/Event.php)
-- Command Events: [`Composer\Script\Event`](https://github.com/composer/composer/blob/master/src/Composer/Script/Event.php)
-- Installer Events: [`Composer\Installer\InstallerEvent`](https://github.com/composer/composer/blob/master/src/Composer/Installer/InstallerEvent.php)
-- Package Events: [`Composer\Installer\PackageEvent`](https://github.com/composer/composer/blob/master/src/Composer/Installer/PackageEvent.php)
+- Base class: [`Composer\EventDispatcher\Event`](https://github.com/composer/composer/blob/main/src/Composer/EventDispatcher/Event.php)
+- Command Events: [`Composer\Script\Event`](https://github.com/composer/composer/blob/main/src/Composer/Script/Event.php)
+- Installer Events: [`Composer\Installer\InstallerEvent`](https://github.com/composer/composer/blob/main/src/Composer/Installer/InstallerEvent.php)
+- Package Events: [`Composer\Installer\PackageEvent`](https://github.com/composer/composer/blob/main/src/Composer/Installer/PackageEvent.php)
 - Plugin Events:
-  - init: [`Composer\EventDispatcher\Event`](https://github.com/composer/composer/blob/master/src/Composer/EventDispatcher/Event.php)
-  - command: [`Composer\Plugin\CommandEvent`](https://github.com/composer/composer/blob/master/src/Composer/Plugin/CommandEvent.php)
-  - pre-file-download: [`Composer\Plugin\PreFileDownloadEvent`](https://github.com/composer/composer/blob/master/src/Composer/Plugin/PreFileDownloadEvent.php)
-  - post-file-download: [`Composer\Plugin\PostFileDownloadEvent`](https://github.com/composer/composer/blob/master/src/Composer/Plugin/PostFileDownloadEvent.php)
+  - init: [`Composer\EventDispatcher\Event`](https://github.com/composer/composer/blob/main/src/Composer/EventDispatcher/Event.php)
+  - command: [`Composer\Plugin\CommandEvent`](https://github.com/composer/composer/blob/main/src/Composer/Plugin/CommandEvent.php)
+  - pre-file-download: [`Composer\Plugin\PreFileDownloadEvent`](https://github.com/composer/composer/blob/main/src/Composer/Plugin/PreFileDownloadEvent.php)
+  - post-file-download: [`Composer\Plugin\PostFileDownloadEvent`](https://github.com/composer/composer/blob/main/src/Composer/Plugin/PostFileDownloadEvent.php)
 
 ## Running scripts manually
 

src/Composer/Compiler.php

@@ -82,12 +82,12 @@ class Compiler
         if ($process->run() == 0) {
             $this->version = trim($process->getOutput());
         } else {
-            // get branch-alias defined in composer.json for dev-master (if any)
+            // get branch-alias defined in composer.json for dev-main (if any)
             $localConfig = __DIR__.'/../../composer.json';
             $file = new JsonFile($localConfig);
             $localConfig = $file->read();
-            if (isset($localConfig['extra']['branch-alias']['dev-master'])) {
-                $this->branchAliasVersion = $localConfig['extra']['branch-alias']['dev-master'];
+            if (isset($localConfig['extra']['branch-alias']['dev-main'])) {
+                $this->branchAliasVersion = $localConfig['extra']['branch-alias']['dev-main'];
             }
         }