120 lines
4.7 KiB
Markdown
120 lines
4.7 KiB
Markdown
# Command-line interface
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You've already learned how to use the command-line interface to do some things. This chapter documents all the available commands.
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## init
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In the [Libraries] chapter we looked at how to create a `composer.json` by hand. There is also an `init` command available that makes it a bit easier to do this.
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When you run the command it will interactively ask you to fill in the fields, while using some smart defaults.
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$ php composer.phar init
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## install
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The `install` command reads the `composer.json` file from the current directory, resolves the dependencies, and installs them into `vendor`.
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$ php composer.phar install
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If there is a `composer.lock` file in the current directory, it will use the exact versions from there instead of resolving them. This ensures that everyone using the library will get the same versions of the dependencies.
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If there is no `composer.lock` file, composer will create one after dependency resolution.
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### Options
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* **--prefer-source:** There are two ways of downloading a package: `source` and `dist`. For stable versions composer will use the `dist` by default. The `source` is a version control repository. If `--prefer-source` is enabled, composer will install from `source` if there is one. This is useful if you want to make a bugfix to a project and get a local git clone of the dependency directly.
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* **--dry-run:** If you want to run through an installation without actually installing a package, you can use `--dry-run`. This will simulate the installation and show you what would happen.
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* **--no-install-recommends:** By default composer will install all packages that are referenced by `recommend`. By passing this option you can disable that.
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* **--install-suggests:** The packages referenced by `suggest` will not be installed by default. By passing this option, you can install them.
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## update
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In order to get the latest versions of the dependencies and to update the `composer.lock` file, you should use the `update` command.
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$ php composer.phar update
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This will resolve all dependencies of the project and write the exact versions into `composer.lock`.
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### Options
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* **--prefer-source:** Install packages from `source` when available.
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* **--dry-run:** Simulate the command without actually doing anything.
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* **--no-install-recommends:** Do not install packages referenced by `recommend`.
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* **--install-suggests:** Install packages referenced by `suggest`.
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## search
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The search command allows you to search through the current project's package repositories. Usually this will be just packagist. You simply pass it the terms you want to search for.
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$ php composer.phar search monolog
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You can also search for more than one term by passing multiple arguments.
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## show
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To list all of the available packages, you can use the `show` command.
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$ php composer.phar show
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If you want to see the details of a certain package, you can pass the package name.
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$ php composer.phar show monolog/monolog
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name : monolog/monolog
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versions : master-dev, 1.0.2, 1.0.1, 1.0.0, 1.0.0-RC1
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type : library
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names : monolog/monolog
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source : [git] http://github.com/Seldaek/monolog.git 3d4e60d0cbc4b888fe5ad223d77964428b1978da
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dist : [zip] http://github.com/Seldaek/monolog/zipball/3d4e60d0cbc4b888fe5ad223d77964428b1978da 3d4e60d0cbc4b888fe5ad223d77964428b1978da
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license : MIT
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autoload
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psr-0
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Monolog : src/
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requires
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php >=5.3.0
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You can even pass the package version, which will tell you the details of that specific version.
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$ php composer.phar show monolog/monolog 1.0.2
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### Options
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* **--installed:** Will list the packages that are installed.
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* **--platform:** Will list only [Platform packages].
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## depends
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The `depends` command tells you which other packages depend on a certain package. You can specify which link types (`require`, `recommend`, `suggest`) should be included in the listing.
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$ php composer.phar depends --link-type=require monolog/monolog
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nrk/monolog-fluent
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poc/poc
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propel/propel
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symfony/monolog-bridge
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symfony/symfony
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### Options
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* **--link-type:** The link types to match on, can be specified multiple times.
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## validate
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You should always run the `validate` command before you commit your `composer.json` file, and before you tag a release. It will check if your `composer.json` is valid.
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$ php composer.phar validate
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## self-update
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To update composer itself to the latest version, just run the `self-update` command. It will replace your `composer.phar` with the latest version.
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$ php composer.phar self-update
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## help
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To get more information about a certain command, just use `help`.
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$ php composer.phar help install
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