[FEATURE] Project generation from build file

[eliashaeussler]

Is your feature request related to a problem?

Sometimes it's not possible to interactively walk through the project build process, e.g. when creating projects as part of an automatic build process.

Describe the solution you'd like

It should be made possible to walk through the project build process by using a preconfigured build configuration. This can be

• a file identified by a fixed filename
• or a file identified with an environment variable.

This file must contain the pre-evaluated user-interactions, configured for each (interactive) step. Additionally, all properties must be pre-configured.

Example configuration:

template: typo3-cms-bundle

steps:
  # mirrorProcessedFiles
  4:
    interactions:
      confirmOverwrite: true

properties:
  project:
    customer_name: 'My fancy customer'
    project_name: 'My fancy project'
  packages:
    typo3_cms: '11.5'
    # ...

Example execution:

export PROJECT_BUILDER_RUN_CONFIG=/path/to/run-config.yaml
composer create-project cpsit/project-builder /path/to/target/dir

Describe alternatives you've considered

No response

Additional context

Side note: Non-interactive project builds are currently forbidden, see https://github.com/CPS-IT/project-builder/blob/0.1.7/src/Bootstrap.php#L189-L193.

[eliashaeussler]

A similar feature is available within https://github.com/ramsey/php-library-starter-kit.