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fontc_crater CI

This repository contains a script for running fontc_crater (a tool for running the fontc font compiler against a large number of inputs) in a CI environment, and the output of those CI runs.

The actual fontc_crater binary lives in the fontc repo; this repo contains a barebones script for checking out and running the latest version of fontc_crater, as well as collecting the results.

setup

This is not a general purpose tool. It is expected to be running on at most one machine at a time.

To get running:

  • clone this repository to the running machine
  • on github, generate a personal access token that has write access to googlefonts/fontc_crater.
  • save this token to a file named GITHUB_TOKEN at the directory root.
  • use a scheduler like cron or launchd to execute run.sh nightly

updating inputs or fontmake dependencies

inputs: The set of inputs that are run are stored in this repo, and specified in run.sh. To change the inputs, add a new inputs file and then modify the FONTC_CRATER_INPUT var in that script.

fontmake dependencies: We use constraints.txt to ensure that fontmake is using a consistent set of dependencies between runs. To update these dependencies, install the desired version of fontmake into a new venv and run pip freeze to generate a new constraints list.