explaingit

zzak/deprecation

Analysis updated 2026-07-12 · repo last pushed 2016-06-09

RubyAudience · developerComplexity · 1/5DormantSetup · easy

TLDR

A retired Ruby library whose README simply says 'Don't use this.' The author left it online so old projects referencing it still resolve, but with a clear warning to find an alternative.

Mindmap

mindmap
  root((repo))
    What it does
      Retired Ruby library
      Warning to stay away
    Why it exists
      Prevents dead links
      Helps old projects resolve
    Audience
      Developers with old code
      Troubleshooting dependencies
    Status
      No replacement listed
      No details on original purpose
    Tech stack
      Ruby
      No active code
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Code map

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What do people build with it?

USE CASE 1

Check why an old Ruby project references this library and confirm it is no longer maintained.

USE CASE 2

Understand that this dependency is retired and look for a current alternative.

USE CASE 3

Use the repository's presence as a signal that your codebase needs updating to a replacement library.

What is it built with?

Ruby

How does it compare?

zzak/deprecationcschneid/huginncschneid/statsd-instrument
LanguageRubyRubyRuby
Last pushed2016-06-092014-12-072014-05-14
MaintenanceDormantDormantDormant
Setup difficultyeasymoderateeasy
Complexity1/54/52/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min

The repository is intentionally retired, the README explicitly says 'Don't use this,' so there is nothing to set up or run.

In plain English

The repository called deprecation is, by its own author's admission, not something you should use. The entire README consists of the heading "Deprecation" followed by a single, blunt instruction: "Don't use this." That's essentially the whole story. The project appears to be a Ruby library that has been formally retired or deprecated, meaning the creator has decided it is obsolete, flawed, or replaced by something better. Rather than removing it entirely from GitHub, which could break existing projects that still reference it, the author has left it in place with a clear warning to stay away. This is actually a considerate practice in the open-source world. When developers deprecate a project rather than delete it, anyone who has an old codebase that depends on this library can still find it and understand what happened. They won't get a mysterious error or a dead link. Instead, they get a straightforward message that it's time to move on and find an alternative. Who would encounter this? Likely a developer poking around an older Ruby project, trying to understand a dependency, or troubleshooting why something isn't working as expected. They might stumble across this repository, see the warning, and realize they need to look elsewhere for whatever functionality this once provided. The README doesn't go into detail about why it was deprecated, what it originally did, or what to use instead. If you've arrived here looking for a solution, the short answer is: keep looking.

Copy-paste prompts

Prompt 1
I found a dependency on the zzak/deprecation Ruby gem in my Gemfile.lock. What does this mean and what should I do?
Prompt 2
My older Ruby project depends on a library called deprecation by zzak. The README just says 'Don't use this.' How do I find what replaced it?
Prompt 3
Help me search my Ruby project's Gemfile and Gemfile.lock for retired or deprecated gems like zzak/deprecation, and suggest how to identify suitable replacements.

Frequently asked questions

What is deprecation?

A retired Ruby library whose README simply says 'Don't use this.' The author left it online so old projects referencing it still resolve, but with a clear warning to find an alternative.

What language is deprecation written in?

Mainly Ruby. The stack also includes Ruby.

Is deprecation actively maintained?

Dormant — no commits in 2+ years (last push 2016-06-09).

How hard is deprecation to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is deprecation for?

Mainly developer.

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