Composer package not found in any version - github

Question

I am trying to create a custom vendor package but have not yet put the package on packagist. According to the docs, the package can be loaded from git (vcs) instead of packagist: https://getcomposer.org/doc/05-repositories.md#loading-a-package-from-a-vcs-repository
The yii2 project (although don't think framework matters) I have created package inside vendor folder:
foundationize/yii2-foundation
(folder structure is as above, I have quadruple-checked).
My root public_html/composer.json has following entries:
"minimum-stability": "dev",
"require": {
"php": ">=5.4.0",
"yiisoft/yii2": ">=2.0.5",
"yiisoft/yii2-swiftmailer": "*",
"foundationize/yii2-foundation": "dev-master"
},
My package composer file, vendor/foundationize/yii2-foundation/composer.json looks like:
{
"name": "foundationize/yii2-foundation",
"description": "The Foundation extension for the Yii2 framework",
"keywords": ["yii2", "foundation"],
"type": "yii2-extension",
"license": "BSD-3-Clause",
"support": {
"issues": "https://github.com/foundationize/yii2-foundation/issues",
"wiki": "https://github.com/foundationize/yii2-foundation/wiki",
"source": "https://github.com/foundationize/yii2-foundation.git"
},
"authors": [
{
"name": "gvanto",
"email": "gvanto#hotmail.com",
"homepage": "http://foundationize.com"
}
],
"require": {
"yiisoft/yii2": "*"
},
"autoload": {
"psr-4": {
"foundationize\\foundation\\": ""
}
},
"repositories": [
{
"packagist": false,
"type": "vcs",
"url": "https://github.com/foundationize/yii2-foundation.git"
}
]
}
When I run composer install (or update), I keep getting error below:
Your requirements could not be resolved to an installable set of
packages.
Problem 1
- The requested package foundationize/yii2-foundation could not be found in any version, there may be a typo in the package name.
Potential causes:
A typo in the package name
The package is not available in a stable-enough version according to your minimum-stability setting see
https://groups.google.com/d/topic/composer-dev/_g3ASeIFlrc/discussion
for more details.
Read https://getcomposer.org/doc/articles/troubleshooting.md for
further common problems.
I have googled it high and low, read the docs can't seem to get it to work (always the same error, which I actually think would be more useful if it said either the package was not found OR the incorrect package version was found).

Answer 1

You have to add the repositories entry to your root composer.json file. Otherwise, Composer does not know where to search for your package.

Answer 2

Had a similar problem to this and it was because I was running composer in the /web directory in the new Drupal structure. When I ran it in the root all was fine. Annoyingly, you need to run Drush in /web

Answer 3

Since Laravel version 5.5 there is a Package Auto-Discovery feature, so there is no need to add service provider. All you need to register package like this:
composer require barryvdh/laravel-debugbar:dev-master
You can find more info in these articles:
https://medium.com/#taylorotwell/package-auto-discovery-in-laravel-5-5-ea9e3ab20518
https://divinglaravel.com/laravels-package-auto-discovery