每次创建一个新的Laravel项目时，Composer都会重新安装所有内容 - 为什么？

问题描述：

I'm messing about with Laravel 4, which looks great.

However, every time I create a new project I have to wait 10 minutes while Composer downloads all the dependencies. Surely they needn't be downloaded more than once?

05:36:49 ~/projects$ composer create-project laravel/laravel myproject
Installing laravel/laravel (v4.0.5)
  - Installing laravel/laravel (v4.0.5)
    Loading from cache

Created project in myproject
Loading composer repositories with package information
Installing dependencies (including require-dev)
  - Installing doctrine/lexer (dev-master bc0e1f0)
    Cloning bc0e1f0cc285127a38c6c8ea88bc5dba2fd53e94

[.. installs for 10 minutes ... ]

Any way around this?

我正在搞乱Laravel 4，看起来很棒。 p>

但是，每次创建新项目时，我都要等待10分钟，而Composer会下载所有依赖项。当然他们不需要多次下载？ p>

  05:36:49~ / projects $ composer create-project laravel / laravel myproject 
安装laravel / laravel（v4。  0.5）
  - 安装laravel / laravel（v4.0.5）
从myproject中加载缓存
 
Created项目
使用包信息加载编写器存储库
安装依赖项（包括require-dev）
  - 安装doctrine / lexer（  dev-master bc0e1f0）
克隆bc0e1f0cc285127a38c6c8ea88bc5dba2fd53e94 
 
 [..安装10分钟...] 
  code>  pre> 
 
 有什么方法吗？ p>  
  div>

答

Try adding the --prefer-dist switch to the command line. That should force Composer to download ready-made ZIPs with the required versions.

But do note that you have a dependency on "dev-master" for doctrine/lexer - these will usually only be resolved by cloning the GIT repository instead of always downloading the latest tip of that branch. Try to require a known version tag or version wildcard instead.

每次创建一个新的Laravel项目时，Composer都会重新安装所有内容 - 为什么？

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