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bundler/README.md

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dependabot-bundler

Ruby (bundler) support for dependabot-core.

Running locally

  1. Start a development shell
$ bin/docker-dev-shell bundler
  1. Run tests 
    [dependabot-core-dev] ~ $ cd bundler && rspec

Native helper Bundler runtime

The native helper at helpers/v2 runs under Bundler 4 by default. Two environment variables can override the Bundler version installed by build and activated by run.rb, which is intended for staged rollouts and emergency rollback to Bundler 2:

  • DEPENDABOT_BUNDLER_VERSION_CONSTRAINT (preferred)
  • BUNDLER_VERSION_CONSTRAINT (fallback)

Both accept any RubyGems requirement string, e.g. ~> 4.0, ~> 2.7, or a comma-separated list like >= 2.4, < 5. When neither is set the helper uses ~> 4.0 for installation and >= 2.4, < 5 for activation.