Homebrew’s Great Migration: moving to GitHub Packages with zero downtime

In this talk, I discuss how we decided between available options, how compromises were between Homebrew and GitHub, how we migrated by the hard deadline and how to use “soft power” to affect change in your organisation.

Transcript

1. Homebrew’s move to GitHub
   Packages with zero downtime
   
   
   Mike McQuaid
   The Great Migration
   

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2. The Background
   
   
   📦
   

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6. Mike McQuaid
   
   
   https://github.com/MikeMcQuaid
   
   
   https://mastodon.social/@mikemcquaid
   
   
   https://twitter.com/MikeMcQuaid
   

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7. https://ben.balter.com/2015/11/12/why-urls/
   

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8. https://github.com/Homebrew/brew/commit/29d85578e
   

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9. https://github.com/Homebrew/brew/commit/29d85578e
   

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10. https://twitter.com/mxcl/status/608682016205344768
    

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11. https://github.com/Homebrew/brew
    

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12. https://github.com/Homebrew/homebrew-core
    

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13. https://github.com/Homebrew/homebrew-core/commit/ea309d16
    

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14. https://docs.brew.sh/Bottles
    

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15. https://docs.brew.sh/Bottles
    

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16. The Crisis
    
    
    ☠
    

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17. https://jfrog.com/blog/into-the-sunset-bintray-jcenter-gocenter-and-chartcenter/
    

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18. https://jfrog.com/blog/into-the-sunset-bintray-jcenter-gocenter-and-chartcenter/
    💩
    

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19. https://jfrog.com/blog/into-the-sunset-bintray-jcenter-gocenter-and-chartcenter/
    

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20. https://www.amazon.co.uk/Its-Not-Fair-Anita-Harper/dp/1853408972
    

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22. https://github.com/orgs/Homebrew/discussions/691
    

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23. The Investigation
    
    
    🧐
    

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27. https://github.com/opencontainers/image-spec
    

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28. https://dlorenc.medium.com/oci-artifacts-explained-8f4a77945c13
    

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32. The Implementation
    
    
    🧑💻
    

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33. https://github.com/Homebrew/brew/pull/10677
    

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37. https://github.com/Homebrew/brew/pull/10835
    

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38. https://github.com/Homebrew/brew/pull/10835
    

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39. https://github.com/oras-project/oras
    

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40. https://github.com/containers/skopeo
    

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41. https://github.com/oras-project/oras/pull/241
    

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42. https://github.com/Homebrew/brew/pull/11070
    

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43. https://github.com/orgs/Homebrew/discussions/691
    

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45. The Result
    
    
    🏁
    

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46. https://github.com/homebrew/homebrew-core/packages
    

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47. https://github.com/Homebrew/homebrew-core/pkgs/container/core%2Fopenssl%2F1.1
    

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48. https://github.com/Homebrew/homebrew-core/pkgs/container/core%2Fopenssl%2F1.1
    

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50. https://github.com/Homebrew/homebrew-core/pkgs/container/core%2Fopenssl%2F1.1/97480112
    

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51. https://reproducible-builds.org
    

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52. https://github.com/Homebrew/brew/pull/11077
    

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53. https://github.com/Homebrew/brew/pull/11366
    

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54. https://github.com/Homebrew/brew/pull/12459
    

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55. https://github.com/Homebrew/brew/pull/12459/files
    

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58. https://github.blog/2021-06-21-github-packages-container-registry-generally-available
    

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59. The Aftermath
    
    
    📈
    

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60. https://github.com/orgs/Homebrew/discussions/1906
    

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61. https://github.com/orgs/Homebrew/discussions/1906
    

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62. https://github.com/orgs/Homebrew/discussions/1906
    

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64. Thanks!
    
    
    💜
    
    
    mike@brew.sh
    

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