Using "modern" Ruby to build a better, faster Homebrew

Learn why Homebrew now ships its own Ruby, modern Ruby tooling we rely on, how to make Homebrew faster and how we are improving Homebrew.

Presented at RubyKaigi 2024.

Transcript

1. Mike McQuaid (@MikeMcQuaid) Using "modern" Ruby to build a better, faster Homebrew
2. Background ⏮
6. Mike McQuaid https://github.com/MikeMcQuaid https://mastodon.social/@mikemcquaid https://twitter.com/MikeMcQuaid
7. ❤ Homebrew and Ruby 🛠 Homebrew Ruby Tools 🍺 Building Better brew
8. Homebrew and Ruby ❤
10. “Homebrew uses Ruby and some other stuff that is already installed on [Mac OS X] Leopard. Just copy this directory somewhere.” @mxcl, 2009
11. To install the brew tool, do: $ ruby /Brewery/Cellar/homebrew/brewkit.rb
12. To install the brew tool, do: $ /bin/bash -c "$(curl -fsSL https:// raw.githubusercontent.com/Homebrew/ install/HEAD/install.sh)"
13. Install wget: $ ruby /Brewery/Formula/wget.rb
14. Install wget: $ brew install wget
15. Formula DSL 💄
16. class Wget < Formula desc "Internet file retriever" homepage "https://www.gnu.org/software/wget/" url "https://ftp.gnu.org/gnu/wget/wget-1.24.5.tar.gz" sha256 "fa2dc35bab5184ecbc46a9ef83def2aaaa3f4c9f3c97d4bd19dcb07d4da637de" license "GPL-3.0-or-later" def install system "./configure", "--prefix=#{prefix}" system "make", "install" end test do system bin/"wget", "-O", "/dev/null", "https://google.com" end end 😍
17. cask "1password" do arch arm: "aarch64", intel: "x86_64" version "8.10.30" sha256 arm: "0d2ea809dafab2b17e7622faf1ada03ac912e31fae8f58bc0ed2f7b9a6b1bff2", intel: "ba70b5733e68a1276ee02b1feff75a0b23dd332dff2e9ddaefa07b4c16bf5579" url "https://downloads.1password.com/mac/1Password-#{version}-#{arch}.zip" name "1Password" desc "Password manager that keeps all passwords secure behind one password" homepage "https://1password.com/" auto_updates true depends_on macos: ">= :catalina" app "1Password.app" end 😍
18. # typed: strict # frozen_string_literal: true require "abstract_command" module Homebrew module Cmd class Docs < AbstractCommand cmd_args do description <<~EOS Open Homebrew's online documentation at <#{HOMEBREW_DOCS_WWW}> in a browser. EOS end sig { override.void } def run exec_browser HOMEBREW_DOCS_WWW end end end end 😍
19. Ruby 1.8.7 in 2009 🙂
20. Ruby 1.8.7 in 2016 😭
21. Ruby 2.3 in 2017 🤨
22. Ruby 2.3 in 2019 😠
23. Ruby 2.6 in 2019 😮💨
24. Ruby 2.6 in 2023 🤬
25. $ /usr/bin/ruby --version ruby 2.6.10p210 (2022-04-12 revision 67958) [universal.arm64e-darwin23]
26. No more Apple macOS Ruby 🍎👋💎🥹
27. Ruby 3.1 in 2023 😌
28. Ruby 3.3 in RubyKaigi 2024? 😅
30. $ brew config | grep Ruby Homebrew Ruby: 3.1.4 => /opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/bin/ruby
31. Homebrew Ruby Tools 🛠
32. RuboCop 👮
33. $ brew style wget 1 file inspected, no offenses detected
34. $ brew style Inspecting 1313 files .................................................................................................................. .................................................................................................................. .................................................................................................................. .................................................................................................................. .................................................................................................................. .................................................................................................................. .................................................................................................................. .................................................................................................................. .................................................................................................................. .................................................................................................................. .................................................................................................................. ........................................................... 1313 files inspected, no offenses detected
35. Sorbet 🍧
36. $ brew typecheck No errors! Great job.
37. RSpec 🧪
38. $ brew tests Randomized with seed 22584 10 processes for 437 specs, ~ 43 specs per process ............................................................................................................................................................................................................................................. ............................................................................................................................................................................................................................................. ............................................................................................................................................................................................................................................. ............................................................................................................................................................................................................................................. ............................................................................................................................................................................................................................................. .................................................................................................................................................................................................................... .............................................................................................................................................................................................................................. ............................................................................................................................................................................................................................................. ............................................................................................................................................................................................................................................. ............................................................................................................................................................................................................................................. ............................................................................................................................... ............................................................................................................................................................................................................................................. ............................................................................................................................................................................................................................................. ............................................................................................................................................................................................................................................. ..................................................................................................................... ...................................................................................................................... .................................................................................................................................................................... . ...................................................................................................................................................................................................................... ............................................................................................................................................................................................................................................. ................................................................................................................................ .......................................................................................................... Took 391 seconds (6:31)
39. Building Better brew 🍺
40. Building Better performance 🏎
42. PROCRASTINATION ALERT ⚠
47. Porting to Rust 🤨
48. Porting to C 😠
49. Porting to Bash 🤬
51. hyperfine 🧪
52. $ hyperfine "brew --prefix" Benchmark 1: brew --prefix Time (mean ± σ): 440.4 ms ± 13.2 ms [User: 138.0 ms, System: 84.0 ms] Range (min … max): 426.4 ms … 463.0 ms 10 runs
53. $ hyperfine "brew --prefix" Benchmark 1: brew --prefix Time (mean ± σ): 34.6 ms ± 4.3 ms [User: 5.1 ms, System: 5.9 ms] Range (min … max): 26.6 ms … 42.8 ms 49 runs
54. $ hyperfine "brew command install" Benchmark 1: brew command install Time (mean ± σ): 474.6 ms ± 42.0 ms [User: 144.9 ms, System: 91.4 ms] Range (min … max): 429.8 ms … 553.2 ms 10 runs
55. $ hyperfine "brew command install" Benchmark 1: brew command install Time (mean ± σ): 39.1 ms ± 12.3 ms [User: 5.0 ms, System: 5.8 ms] Range (min … max): 21.8 ms … 97.4 ms 65 runs
56. Building Better security 🔐
57. Security Audit(s) 🕵
58. GitHub Actions Attestation 👌
64. workbrew.com
65. ❤ Homebrew and Ruby 🛠 Homebrew Ruby Tools 🍺 Building Better brew https://mikemcquaid.com/talks/using-modern-ruby-to-build-a-better-faster-homebrew/
66. Help Us! 🤝 🏎 Building Better performance 🔐 Building Better security
67. Questions? 💜 @mikemcquaid@mastodon.social @MikeMcQuaid mike@workbrew.com