How can I require a fork of a Composer package using a VCS repository?

Requiring a Fork with Composer

You desire to utilize Nodge's fork of the lessphp project on GitHub within your environment. However, you encounter the error "nodge/lessphp dev-master -> no matching package found" upon running "composer update."

To successfully require a fork, the most straightforward method involves employing a VCS repository. Begin by adding your fork as a repository and modifying the version constraint to correspond with your custom branch. Notably, your custom branch name requires a prefix of "dev-."

Let's illustrate this process by assuming you have forked monolog/monolog and established a branch labeled "bugfix." In such a scenario, you would amend your composer.json file as follows:

{
    "repositories": [
        {
            "type": "vcs",
            "url": "https://github.com/igorw/monolog"
        }
    ],
    "require": {
        "monolog/monolog": "dev-bugfix"
    }
}

Observe that the require statement remains unaltered, with the exception of specifying your bugfix branch. Your reference continues to be the upstream package (monolog/monolog) instead of your personal fork (igorw/monolog), and the branch name incorporates the dev- prefix.

For more comprehensive information on this topic, refer to the official documentation.

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