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gogol-gen

For pull requests which affect generated output, please do not include the actual regenerated service code, only commit the updates to the generator, config and annex connection.

This ensures the Continuous Integration process is the single source of truth for generated code changes, and keeps pull requests readable and focused on actual generator code/logic changes.

Generating

The configuration for the generation step of each individual service endpoint lives under ./annex. The naming matches the Google Discovery Service naming of endpoints, which are vendored under ./model.

Rather than actually crawling the Discovery Service, the Google API Go Client is vendored under ./vendor, and the JSON service definitions are copied to ./model to ensure reproducibility of the generation steps and the abilitry to diff across versions.

Example: Cloud Dataproc

To add a new endpoint, first create the related JSON configuration in the ./annex directory.

Since the Cloud Dataproc API is called dataproc-api.json in the Google Discovery API, you would create the configuration ./annex/dataproc.json with the following contents:

{
 "library": "dataproc",
 "canonicalName": "Dataproc"
}

Then, the Makefile is used:

make clean
make

This will build the ./bin/gogol-gen binary, and will generate a Haskell library for each API that has matching ./annex/*.json configuration.

For the above example, the result would be a ../gogol-dataproc directory at the top-level of the project containing the generated API client.

make full-clean can be used to cause a complete re-download of all (including new) service models.

Individual clients/SDKs can be generated by passing a specific MODELS environment variable to the make command, for example: MODELS=model/admin/directory/v1/admin-api.json make