Merge pull request #44 from NixOS/feat/eol-cleanup

Document the cleanup on EOL

src/EOL-Cleanup.md

@@ -0,0 +1,11 @@
+# EOL cleanup
+
+Once a month has passed after the release was released, the old release goes end of life.
+
+1. [EOL Channels should be marked unmaintained](https://github.com/NixOS/nixos-org-configurations/pull/201)
+1. Once this is merged, update [nixos-search as well](https://github.com/NixOS/nixos-search/pull/495)
+1. Inform the infrastructure team so they can scale Hydra back down
+1. Close all Pull Requests that are still opened against one of the the old release- or staging-branches
+1. Delete the old [backport labels](https://github.com/NixOS/nixpkgs/labels?q=backport)
+1. Remove the old [automerge workflows](https://github.com/NixOS/nixpkgs/commit/8befefd1a72da597bdb1d01e97127e0c9866912e)
+1. Increase the `oldestSupportedRelease` in `lib/trivial.nix` to match the oldest non-EOL release ([22.05 example](https://github.com/NixOS/nixpkgs/pull/180152))

src/Release-Process.md

@@ -2,8 +2,6 @@
 
 These pages give an overview of the release process with as many details as there are available at the time of writing.
 
-Since this is an ongoing refactoring, the last few steps are collapsed into a single page
-
 ## Release Schedule
 
 With [RFC85](https://github.com/NixOS/rfcs/blob/master/rfcs/0085-nixos-release-stablization.md), the release schedule is largely already dictated below:

src/SUMMARY.md

@@ -11,4 +11,4 @@ cleanup](Feature-Freeze-Announcement.md)
  - [Branch-off](Branch-Off.md)
  - [Beta Phase](Beta-Phase.md)
  - [Final Release](Final-Release.md)
- - [Release Process Walkthrough](Release-Process-Walkthrough.md)
+ - [EOL cleanup](EOL-Cleanup.md)