Install Composer system-wide packages

14/06/2019 - Ted

Composer can have packages installed system-wide, such as the infinitely useful and should be included in core already, Prestissimo which greatly speeds up install and updates of other packages.

NB: This appears not to work. Can symlink a user's ~/.composer to the directory to share things, but it doesn't work entirely brilliantly.

The system wide composer.json and vendor directories are located in /opt/composer.

First step is to create the above directory, as it does not exist by default. Then add/create your composer.json file, either manually, or by using composer init.

composer.json:

{
    "name": "root/system-composer-utils",
    "description": "System wide composer tools available to all users",
    "type": "project",
    "license": "GPL-2.0-or-later",
    "authors": [
        {
            "name": "Ted",
            "role": "SuperUser"
        }
    ],
    "require": {
        "hirak/prestissimo": "^0.3.9"
    }
}

Once that's created, it just needs to be installed.

cd /opt/composer && composer install --no-dev

Updating the packages later is just a case of running

cd /opt/composer && composer update --with-dependencies --no-dev

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