From 30588d2e6300ec17835e317c49efdc994515ab93 Mon Sep 17 00:00:00 2001
From: Peder Bergebakken Sundt <pbsds@hotmail.com>
Date: Sat, 7 Jun 2025 07:58:21 +0200
Subject: [PATCH] aliases: make aliases supported for 2 years/4 releases

---
 pkgs/top-level/aliases.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index e34f83d9ce728..ffc9929d8eaac 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -10,6 +10,11 @@ lib: self: super:
 
 # A script to convert old aliases to throws and remove old
 # throws can be found in './maintainers/scripts/remove-old-aliases.py'.
+# We aim to run it after each nixos release branchoff. Feel free to
+# convert aliases 2-years older than the next nixos release to throws:
+#     major=$(nix eval --impure --expr 'with import ./lib; versions.major version' --raw)
+#     minor=$(nix eval --impure --expr 'with import ./lib; versions.minor version' --raw)
+#     echo ./maintainers/scripts/remove-old-aliases.py --year $(("20$major" - 2)) --month "$minor" --file ./pkgs/top-level/aliases.nix
 
 # Add 'preserve, reason: reason why' after the date if the alias should not be removed.
 # Try to keep them to a minimum.