How to change a package in composer?

Question

PHP

An extension was purchased for the system that contains installation instructions via composer. Everything would be fine, but the following approach is suggested there:
1. Put the .zip files of the extension in /vendor...
2. Run

composer config repositories.vendor artifact $(pwd)/vendor/vendor/packages
composer require vendor/email-attachments

I would like something more convenient so that you do not have to think about it when deploying a project. For example, put the module in your github and connect normally through dependencies.

"require": {
    "vendor/vendor-email-attachments": "dev-master"
},
"repositories": [
    {
        "type": "git",
        "url": "https://github.com/myvendor/vendor-email-attachments",
        "vendor-alias": "vendor"
    }
]

But then you have to fix composer.json in the module so that "myvendor" is there. Or use Package in composer.json.
What do you advise?

Answer 1

1. "simple and stupid" put deployed either as a git submodule and deploy as a submodule from your turnip.
2. "tricky and buggy" - you will have to reproduce this script through a bash script, but I promise that sooner or later it will glitch when "something changes somewhere"