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Ruby + JRuby Builder for Heroku

This repo contains scripts to build binaries locally and on GitHub Actions.

Building with GitHub actions

Navigate to GithHub actions. Select the workflow:

Then click the drop down "Run workflow" and enter the desired Ruby version.

Employees of Heroku see: The Ruby language guides (not public) for additional details on building and deploying Ruby versions.

Install

Run it locally

List available rust scripts:

$ cargo run --bin
# ...
Available binaries:
    jruby_build
    jruby_changelog
    jruby_check
    ruby_build
    ruby_changelog
    ruby_check

Binaries are prefixed with either ruby or jruby.

To see the arguments required to a binary, call it without args or with -- --help:

$ cargo run --bin ruby_build
$ cargo run --bin ruby_build -- --help
  # ...
Usage: ruby_build --arch <ARCH> --version <VERSION> --base-image <BASE_IMAGE>

Options:
      --arch <ARCH>
      --version <VERSION>
      --base-image <BASE_IMAGE>
  -h, --help                     Print help

To pass arguments into a binary you have to use a double dash (--) separator (to let cargo know you're not trying to give it an argument).

For example:

$ cargo run --bin ruby_check -- --version 3.1.6 --arch arm64 --base-image heroku-24
# ...
- Done (finished in 4.9s)

## Ruby 3.1.6 linux/arm64 for heroku-24

- Rubygems version: 3.3.27
- Ruby version: ruby 3.1.6p260 (2024-05-29 revision a777087be6) [aarch64-linux]

Two directories are manipulated when running scripts cache and ouput. Downloaded files will live in cache and built/packaged files live in the output directory.

Development

For more details see .github/workflows/ci.yml.

Run unit tests:

$ cargo test