⛔️ DEPRECATED : OwlBot

This bot is deprecated and is planned for shutdown in the near future.

Runs a docker container, defined in OwlBot.yaml, container as a postprocessing step when a pull request is opened.

Why?

The Yoshi team at Google is tasked with enforcing a common look and feel all libraries in googleapis.

The Yoshi team creates a maintains a post processor for each language. Depending on the language, the post processor may:

Generate an updated README.md when new samples are added to a repository.
Update the product documentation link in README.md, when .repo-metadata.json is updated.
Reformat the code to conform to our lint standards.

Owl Bot runs automatically.

Changes that do not conform to Yoshi team's standards can't be merged, because Owl Bot runs the corresponding post processor on every pull request to a repo with an .OwlBot.yaml file. It adds commits directly to the pull request.

Owl Bot keeps undoing my change. How do I make it stop?

Owl Bot is an automaton enforcing the will of the Yoshi team. If you absolutely cannot live with the changes made by Owl Bot, contact yoshi team via the Google chat room GitHub Automation. Non-Googlers can open an issue on this repository.

There are a few exceptional cases where the Owl Bot post processor is misbehaving and must be silenced. In such cases, add the label owlbot:ignore and Owl Bot will stop touching the pull request.

For Yoshi Team Members

The following sections are internal details for Yosh Team members.

How it works

The post processing bot runs cloud-build/update-pr.yaml on Cloud Build, injecting the following substitutions:

_PR: The pull request number
_OWNER: The owner of the PR's destination repo (e.g. 'googleapis' in https://github.com/googleapis/synthtool)
_REPOSITORY: The name of the base repository.
_PR_OWNER: The owner of the PR's source repo (e.g. 'renovate-bot' in https://github.com/renovate-bot/synthtool)
_PR_BRANCH: The branch that a PR has been created from.
_PR_REPOSITORY: The name of the forked repository (may differ from base).
_PR_USER: The user creating the PR.
_GITHUB_TOKEN: a short-lived GitHub JWT.
_CONTAINER: The docker container to run (loaded from .github/OwlBot.yaml).
_DEFAULT_BRANCH: The default branch of the repository

The appropriate repository and branch are cloned to a working directory.
Any changes made relative to the working directory are pushed back to the PR that triggered the OwlBot Post Processor.

Running as a CLI

During development, I have been running the OwlBot Post Processor as a command line application.

To do the same, from packages/owl-bot run:

npm link .
owl-bot trigger-build --help

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