Flarum安装Mercury自动检测更新插件报错解决方法

本文涉及环境情况如下

序号 环境名称 版本
1 Flarum 1.8.5
2 PHP 8.2.10
3 MYSQL 8.2.0

报错如下：

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/www/sites/flarum/index # composer require extiverse/mercury:*
./composer.json has been updated
Running composer update extiverse/mercury
Loading composer repositories with package information
Updating dependencies
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - extiverse/mercury[0.1.2, ..., 0.2.0] require extiverse/api-client ^0.2.1 -> satisfiable by extiverse/api-client[0.2.1, ..., 0.2.6].
    - extiverse/mercury[0.1, ..., 0.1.1] require extiverse/api-client ^0.2 -> satisfiable by extiverse/api-client[0.2, ..., 0.2.6].
    - extiverse/api-client[0.2, ..., 0.2.4] require guzzlehttp/guzzle 7.3.* -> found guzzlehttp/guzzle[7.3.0] but the package is fixed to 7.8.1 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command.
    - extiverse/api-client 0.2.5 requires guzzlehttp/guzzle 7.3.* || 7.4.* -> found guzzlehttp/guzzle[7.3.0, ..., 7.4.5] but the package is fixed to 7.8.1 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command.
    - extiverse/api-client 0.2.6 requires guzzlehttp/guzzle 7.3.* || 7.4.* || 7.5.* -> found guzzlehttp/guzzle[7.3.0, ..., 7.5.3] but the package is fixed to 7.8.1 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command.
    - Root composer.json requires extiverse/mercury * -> satisfiable by extiverse/mercury[0.1, ..., 0.2.0].

Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

Installation failed, reverting ./composer.json and ./composer.lock to their original content.

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解决方法

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  1. 报错原因：主要问题是在安装过程中解决依赖关系。具体来说，extiverse/mercury 包与你项目当前状态或相互之间存在依赖冲突。
    • extiverse/mercury 需要 extiverse/api-client，而这个包在不同版本中对 guzzlehttp/guzzle 包的要求不同。
    • extiverse/api-client 的不同版本要求 guzzlehttp/guzzle 的版本为 7.3.*、7.4.* 或 7.5.*，但你的项目当前固定在另一个版本的 guzzlehttp/guzzle（7.8.1）。这导致了冲突，因为 Composer 无法同时满足这些版本要求。
  2. 解决方案建议：Composer 建议使用 --with-all-dependencies（-W）选项。这个选项允许 Composer 尝试通过考虑当前特定版本锁定的包的更新、降级和移除来解决这些冲突。这意味着 Composer 将尝试调整所有依赖关系。
  3. 结果如图所示：
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composer require extiverse/mercury:* -w

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