[alpha] Composer install fails

[photodude]

I've been trying to run the alpha install on the Joomla CMS. I added it to the require-dev section of the composer file, and since this is a testing run I've removed the lock file.

Your requirements could not be resolved to an installable set of packages.
  Problem 1
    - The requested package joomla/coding-standards ~2.0 is satisfiable by joomla/coding-standards[2.0.0-alpha] but these conflict with your requirements or minimum-stability.

seems something is wrong in the composer file setup for the package.

[mbabker]

You need to use ~2.0@alpha as your version constraint. The CMS is set up to by default require stable packages, there isn't a stable 2.0 tag.

[photodude]

Thank you. That worked.

[photodude]

looks like the scripts section is failing to install the standard into the phpcs folder

[photodude]

seems we have the wrong path for the --config-set installed_paths ../../.. in the post install

[photodude]

I've been told I misunderstand how the scripts portion of composer works. Apparently, it only works from a root package. So it works in the context of testing the package but not in the context of installing it as a dependency in a project.

See

• https://getcomposer.org/doc/articles/scripts.md#what-is-a-script-
• https://getcomposer.org/doc/04-schema.md#root-package

We will need to update our documentation on use to explain how to use the phpcs --config-set installed_paths /path/to/joomla-coding-standards