php - 如何解决外部包的composer包循环依赖？

Question

参见Github issue ，这个问题的起源。

我的包是phpdocumentor/reflection-docblock，它不是依赖项。

<小时/>

我正在尝试将 phpdocumentor/reflection-docblock 更新为更新的 phpunit/phpunit 依赖项，即 started to use the package我更新了。

有新的循环依赖:

• (这个)phpdocumentor/reflection-docblock包需要phpunit/phpunit
• phpunit/phpunit 需要 phpspec/prophecy(自 phpunit/phpunit 4.5 起)
• phpspec/prophecy 需要此 phpdocumentor/reflection-docblock(此)包

抽象地说:

• A 需要 B
• B 需要 C(新的!)
• C 需要 A

之前 - 有效

{
    "require-dev": {
        "phpunit/phpunit": "4.4"
    }
}

之后 - 损坏

{
    "require-dev": {
        "phpunit/phpunit": "4.5"
    }
}

当我运行时:

composer update

Composer 冲突输出:

Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Installation request for phpdocumentor/reflection-docblock dev-phpunit -> satisfiable by phpdocumentor/reflection-docblock[dev-phpunit].
    - phpspec/prophecy v1.3.1 requires phpdocumentor/reflection-docblock ~2.0 -> satisfiable by phpdocumentor/reflection-docblock[2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5].
    - phpunit/phpunit 4.5.0 requires phpspec/prophecy ~1.3.1 -> satisfiable by phpspec/prophecy[v1.3.1].
    - Can only install one of: phpdocumentor/reflection-docblock[2.0.0, dev-phpunit].
    - Can only install one of: phpdocumentor/reflection-docblock[2.0.1, dev-phpunit].
    - Can only install one of: phpdocumentor/reflection-docblock[2.0.2, dev-phpunit].
    - Can only install one of: phpdocumentor/reflection-docblock[2.0.3, dev-phpunit].
    - Can only install one of: phpdocumentor/reflection-docblock[2.0.4, dev-phpunit].
    - Can only install one of: phpdocumentor/reflection-docblock[2.0.5, dev-phpunit].
    - Installation request for phpunit/phpunit 4.5 -> satisfiable by phpunit/phpunit[4.5.0].

<小时/>

我已经尝试过:

• 最低稳定性:dev
• 别名"phpunit/phpunit": "4.5 as 4.4"

有什么想法可以解决这个问题吗？

Answer 1

添加

"extra": {
    "branch-alias": {
        "dev-master": "4.x-dev"
    }
}

到phpdocumentor/reflection-docblock的composer.json。

这将允许您使用当前的主版本作为满足要求的4.x版本

缺点是。当继续使用版本时，您必须更新此部分。