Add Bundler cooldown

[MikeMcQuaid]

• Set BUNDLE_COOLDOWN in common_stage_test_env so Bundler uses the same RubyGems release cooldown during staged formula work
• Centralise cooldown days for npm, PyPI and livecheck paths so the policy stays consistent

---

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same change?
• Have you added an explanation of what your changes do and why you'd like us to include them? Performance claims (e.g. "this is faster") must include Hyperfine benchmarks.
• Have you written new tests (excluding integration tests) for your changes? Here's an example.
• Have you successfully run brew lgtm (style, typechecking and tests) with your changes locally?

---

• AI was used to generate or assist with generating this PR.

OpenAI Codex 5.5 xhigh with local review and testing.

---

[Copilot]

Pull request overview

This PR introduces a centralized “release cooldown” policy and applies it across multiple dependency/update paths, including setting a Bundler cooldown in staged formula environments.

Changes:

• Add Homebrew::RELEASE_COOLDOWN_DAYS / Homebrew::RELEASE_COOLDOWN_SECONDS in a new release_cooldown.rb.
• Use the centralized cooldown in PyPI (--uploaded-prior-to), npm (--min-release-age), and brew bump livecheck cooldown logic.
• Export BUNDLE_COOLDOWN from Formula#common_stage_test_env and add a spec covering it.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
Library/Homebrew/release_cooldown.rb	Adds centralized cooldown constants (days + derived seconds).
Library/Homebrew/utils/pypi.rb	Uses centralized cooldown seconds for pip’s --uploaded-prior-to.
Library/Homebrew/formula.rb	Uses centralized cooldown for std_pip_args and exports BUNDLE_COOLDOWN in staged/test env.
Library/Homebrew/language/node.rb	Uses centralized cooldown days for npm --min-release-age.
Library/Homebrew/dev-cmd/bump.rb	Replaces internal cooldown constant with centralized cooldown days.
Library/Homebrew/formula_installer.rb	Adds a new require "release_cooldown" (currently unused).
Library/Homebrew/test/formula_spec.rb	Adds a spec ensuring BUNDLE_COOLDOWN is set.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

[github-code-quality]

Code Coverage Overview

Languages: Ruby

Ruby / code-coverage/simplecov

The overall coverage in the ruby-bundler-cooldow... branch remains at 78%, unchanged from the main branch.

Show a code coverage summary of the most impacted files.

File	main c6a08de	ruby-bundler-cooldow... e7bb127	+/-
services/system/systemctl.rb	93%	87%	-6%
dev-cmd/release.rb	23%	23%	0%
dev-cmd/formula-analytics.rb	17%	18%	+1%
dev-cmd/generat...nalytics-api.rb	22%	23%	+1%
bundle/subcommand.rb	94%	96%	+2%
manpages.rb	50%	54%	+4%
services/system.rb	81%	85%	+4%
services/cli.rb	62%	69%	+7%
extend/pathname.rb	75%	82%	+7%
release_cooldown.rb	0%	100%	+100%

---

_{Updated June 05, 2026 19:41 UTC
Code Coverage is in Public Preview. Learn more and provide us with your feedback.}