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| − | == Intro ==
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| | Composer is one of many [[Dependency managers]]. Composer makes it easier to distribute PHP code that relies on other code. | | Composer is one of many [[Dependency managers]]. Composer makes it easier to distribute PHP code that relies on other code. |
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| − | == in MediaWiki ==
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| − | <ol>
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| − | <li> [[mw:Composer]] is used in the MediaWiki engine to manage all core libraries and dependencies since version 1.25 (including composer-local.json)
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| − | <source lang="bash">
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| − | cd $IP
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| − | cp composer.local.json-sample composer.local.json
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| − | composer update --no-dev --dry-run
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| − | </source>
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| − | <li> [[mw:Composer/For extensions]] on using Composer to manage extensions
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| − | <li> [[mw:Manual:composer.json best practices]] for how to add Composer support to your extensions (including extension.json and skin.json)
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| − | <li> Jeroen DeDauw wrote [https://www.entropywins.wtf/blog/2013/11/24/introduction-to-composer-for-mediawiki-developers/ this blog post in 2014] that is probably still not only relevant, but also contains wisdom not addressed in other places (e.g. Extension developers should specify <code>"type": "mediawiki-extension"</code> in their extension's composer.json so that Composer installs your package into the 'extensions' folder instead of the typical 'vendor' folder that is Composer's default.)
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| − | </ol>
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| − |
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| − | === Use git checkouts ===
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| − | Say you installed Semantic Mediawiki with <code>composer require</code> and then when you went to your 'extensions' directory you were <i class="fa fa-frown-o"></i> because it wasn't a git checkout. You can rectify that by redoing the command, but with the <code>--prefer-source</code> option. nb. You first have to move the existing directory out of the way: <code>mv SemanticMediaWiki unused/</code> <code>cd ../ composer require --update-no-dev --sort-packages --optimize-autoloader -vvv mediawiki/semantic-media-wiki "~2.4" --prefer-source</code> But, it's still a bit different than you might expect, because Composer leaves you with a detached head owing to the specific version that it checks out (see composer.lock).
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| − | <pre>
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| − | Dependency resolution completed in 0.002 seconds
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| − | - Installing mediawiki/semantic-media-wiki (2.4.3)
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| − | Executing command (CWD): git --version
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| − | Cloning 6661acdd8c8420a7e07c178aad47590d086c83d6
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| − | Executing command (CWD): git clone --no-checkout 'https://github.com/SemanticMediaWiki/SemanticMediaWiki.git' 'extensions/SemanticMediaWiki/' && cd 'extensions/SemanticMediaWiki/' && git remote add composer 'https://github.com/SemanticMediaWiki/SemanticMediaWiki.git' && git fetch composer
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| − | Executing command (extensions/SemanticMediaWiki/): git remote set-url --push origin 'git@github.com:SemanticMediaWiki/SemanticMediaWiki.git'
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| − | Executing command (extensions/SemanticMediaWiki/): git branch -r
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| − | Executing command (extensions/SemanticMediaWiki/): git checkout '2.4.3' --
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| − | Executing command (extensions/SemanticMediaWiki/): git reset --hard '6661acdd8c8420a7e07c178aad47590d086c83d6' --
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| − |
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| − | REASON: Required by the root package: Install command rule (install mediawiki/semantic-media-wiki 2.4.3|install mediawiki/semantic-media-wiki 2.4.0|install mediawiki/semantic-media-wiki 2.4.1|install mediawiki/semantic-media-wiki 2.4.2|install mediawiki/semantic-media-wiki 2.4.3)
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| − |
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| − | $ git branch
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| − | * (detached from 2.4.3)
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| − | master
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| − | $ git status
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| − | HEAD detached at 2.4.3
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| − | nothing to commit, working directory clean
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| − | </pre>
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| − |
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| − | == Installation ==
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| | Installing it on your own host would look something like this | | Installing it on your own host would look something like this |
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| | drush --version | | drush --version |
| | </source> | | </source> |
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| − |
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| − | == Commands ==
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| − | <pre>
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| − | ______
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| − | / ____/___ ____ ___ ____ ____ ________ _____
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| − | / / / __ \/ __ `__ \/ __ \/ __ \/ ___/ _ \/ ___/
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| − | / /___/ /_/ / / / / / / /_/ / /_/ (__ ) __/ /
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| − | \____/\____/_/ /_/ /_/ .___/\____/____/\___/_/
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| − | /_/
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| − | </pre>
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| − | Composer version 1.2.2 2016-11-03 17:43:15
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| − |
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| − | Usage:
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| − | command [options] [arguments]
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| − |
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| − | Options:
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| − | -h, --help Display this help message
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| − | -q, --quiet Do not output any message
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| − | -V, --version Display this application version
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| − | --ansi Force ANSI output
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| − | --no-ansi Disable ANSI output
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| − | -n, --no-interaction Do not ask any interactive question
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| − | --profile Display timing and memory usage information
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| − | --no-plugins Whether to disable plugins.
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| − | -d, --working-dir=WORKING-DIR If specified, use the given directory as working directory.
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| − | -v|vv|vvv, --verbose Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug
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| − |
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| − | Available commands:
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| − | about Short information about Composer
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| − | archive Create an archive of this composer package
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| − | browse Opens the package's repository URL or homepage in your browser.
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| − | clear-cache Clears composer's internal package cache.
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| − | clearcache Clears composer's internal package cache.
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| − | config Set config options
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| − | create-project Create new project from a package into given directory.
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| − | depends Shows which packages cause the given package to be installed
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| − | diagnose Diagnoses the system to identify common errors.
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| − | dump-autoload Dumps the autoloader
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| − | dumpautoload Dumps the autoloader
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| − | exec Execute a vendored binary/script
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| − | global Allows running commands in the global composer dir ($COMPOSER_HOME).
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| − | help Displays help for a command
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| − | home Opens the package's repository URL or homepage in your browser.
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| − | info Show information about packages
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| − | init Creates a basic composer.json file in current directory.
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| − | install Installs the project dependencies from the composer.lock file if present, or falls back on the composer.json.
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| − | licenses Show information about licenses of dependencies
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| − | lint Run the lint script as defined in composer.json.
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| − | list Lists commands
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| − | outdated Shows a list of installed packages that have updates available, including their latest version.
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| − | phpcs Run the phpcs script as defined in composer.json.
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| − | prohibits Shows which packages prevent the given package from being installed
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| − | remove Removes a package from the require or require-dev
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| − | require Adds required packages to your composer.json and installs them
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| − | run-script Run the scripts defined in composer.json.
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| − | search Search for packages
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| − | self-update Updates composer.phar to the latest version.
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| − | selfupdate Updates composer.phar to the latest version.
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| − | show Show information about packages
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| − | status Show a list of locally modified packages
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| − | suggests Show package suggestions
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| − | test Run the test script as defined in composer.json.
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| − | update Updates your dependencies to the latest version according to composer.json, and updates the composer.lock file.
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| − | validate Validates a composer.json and composer.lock
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| − | why Shows which packages cause the given package to be installed
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| − | why-not Shows which packages prevent the given package from being installed
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| − |
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| − | == More ==
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| − | To use [https://getcomposer.org/ Composer] in your PHP project, see this [http://daylerees.com/composer-primer primer], plus Matthieu Moquet's "''[https://moquet.net/blog/5-features-about-composer-php/ 5 Features About Composer]''", and also this handy-dandy [http://composer.json.jolicode.com/ cheatsheet] (with mouseovers!)
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| | [[Category:Development]] | | [[Category:Development]] |
| | [[Category:Tools]] | | [[Category:Tools]] |
| − | [[Category:PHP]]
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