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Silverstripe recipe-plugin

Introduction

This plugin enhances composer and allows for the installation of "silverstripe-recipe" packages. These recipes allow for the following features:

• The ability to provide project resource files. These are copied to the appropriate project root location on install, and can be safely modified by the developer. On subsequent updates to a later recipe, composer will inform the user if a project file has been updated, and will ensure new files are copied as they are introduced to the recipe.
• Recipes are composable, so resources or dependencies that are required by multiple recipes can include one another, rather than having to duplicate content.
• Recipes also can be used as a base composer project.
• A require-recipe command to inline a recipe into the root composer.json, allowing the developer to customise the recipe dependencies without mandating the inclusion of all requirements directly.
• An update-recipe command to upgrade to a newer version of a recipe.

Installation

Example output

Creating a new project

Recipes can be introduced to any existing project (even if not created on a silverstripe base project)

Alternatively you can create a new project based on an existing recipe

Inlining recipes

You can "inline" either a previously installed recipe, or a new one that you would like to include dependencies for in your main project. By inlining a recipe, you promote its requirements, as well as its project files, up into your main project, and remove the recipe itself from your dependencies.

This can be done with either update-recipe, which will update a recipe, or require-recipe which will install a new recipe.

Note that if you wish to run this command you must first install either a recipe via normal composer commands, or install the recipe plugin:

or

Removing recipe dependencies or files

Any project file installed via a recipe, or any module installed by inlining a recipe, can be easily removed. Subsequent updates to this recipe will not re-install any of those files or dependencies.

In order to ensure this, a record of all inlined modules, and all installed files are stored in composer.json as below.

To remove a file, simply delete it from the folder your project is installed in, but don't modify project-files-installed (as this is how composer knows what not to re-install).

Likewise to remove a module, use composer remove <module> and it will be removed. As above, don't modify project-dependencies-instaleld, otherwise that module will be re-installed on subsequent composer update-recipe.

Un-doing a deleted project file / dependency

If you have deleted a module or file and want to re-install it you should remove the appropriate entry from either 'project-files-installed' or 'project-dependencies-installed' and then run composer update-recipe <recipe> again.

The file or module will be re-installed.

Removing recipes

As installation of a recipe inlines all dependencies and passes ownership to the root project, there is no automatic removal process. To remove a recipe, you should manually remove any required module that is no longer desired via composer remove <module>.

The provide reference to the recipe can also be safely removed, although it has no practical result other than to disable future calls to update-recipe on this recipe.

Installing or upgrading recipes without inlining them

If desired, the optional inline behaviour of recipes can be omitted. Simply use the composer commands require and update in place of require-recipe and update-recipe respectively. This will not disable the project files feature, but will not inline the recipe directly, keeping your root composer.json from getting cluttered.

If you have already inlined a recipe, it will be necessary to manually remove any undesired inlined requirements manually, and the recipe will need to be included with require subsequently.

Note that using this method it's not necessary to include the silverstripe/recipe-plugin in the root project for this to work.

Recipe composer.json schema

Recipe types should follow the following rules:

• No mandatory resources, other than project files.
• Recipes must not rely on autoload as this are discarded on inline. Likewise any *-dev or other root-only options should not be used, as these are ignored outside of the root project. The exception to this is when these values are useful as a base project only.
• The type must be silverstripe-recipe
• The require must have silverstripe/recipe-plugin as a dependency.
• extra.project-files must be declared as a list of wildcard patterns, matching the files in the recipe root as they should be copied to the root project. The relative paths of these resources are equivalent.
• extra.public-files must be declared for any files which should be copied to the public web folder. If the project in question doesn't have any public folder, these will be copied to root instead. Note that all public files must be committed to the recipe public folder.

An example recipe:

The files within this recipe would be organised in the structure: