From da450f6b1d4614ae6d060fa75e99eb5906f18b8d Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Thu, 17 Mar 2022 17:54:19 +0000
Subject: [PATCH] treewide: clean up obsolete version checks
MIME-Version: 1.0
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These checks are all redundant with the check for Nix ≥2.2 in
default.nix.
---
 pkgs/build-support/fetchipfs/default.nix     | 2 --
 pkgs/build-support/fetchurl/default.nix      | 2 --
 pkgs/build-support/nix-gitignore/default.nix | 6 ------
 pkgs/top-level/all-packages.nix              | 1 -
 4 files changed, 11 deletions(-)

diff --git a/pkgs/build-support/fetchipfs/default.nix b/pkgs/build-support/fetchipfs/default.nix
index 7a66999ec569..0cbb094d6003 100644
--- a/pkgs/build-support/fetchipfs/default.nix
+++ b/pkgs/build-support/fetchipfs/default.nix
@@ -17,8 +17,6 @@
 , preferLocalBuild ? true
 }:
 
-assert sha512 != "" -> builtins.compareVersions "1.11" builtins.nixVersion <= 0;
-
 let
 
   hasHash = (outputHash != "" && outputHashAlgo != "")
diff --git a/pkgs/build-support/fetchurl/default.nix b/pkgs/build-support/fetchurl/default.nix
index 776089dab999..dcab471fc839 100644
--- a/pkgs/build-support/fetchurl/default.nix
+++ b/pkgs/build-support/fetchurl/default.nix
@@ -100,8 +100,6 @@ in
 , nativeBuildInputs ? [ ]
 }:
 
-assert sha512 != "" -> builtins.compareVersions "1.11" builtins.nixVersion <= 0;
-
 let
   urls_ =
     if urls != [] && url == "" then
diff --git a/pkgs/build-support/nix-gitignore/default.nix b/pkgs/build-support/nix-gitignore/default.nix
index 497dcb0660b0..d55465302e44 100644
--- a/pkgs/build-support/nix-gitignore/default.nix
+++ b/pkgs/build-support/nix-gitignore/default.nix
@@ -12,11 +12,6 @@ with builtins;
 let
   debug = a: trace a a;
   last = l: elemAt l ((length l) - 1);
-
-  throwIfOldNix = let required = "2.0"; in
-    if compareVersions nixVersion required == -1
-    then throw "nix (v${nixVersion} =< v${required}) is too old for nix-gitignore"
-    else true;
 in rec {
   # [["good/relative/source/file" true] ["bad.tmpfile" false]] -> root -> path
   filterPattern = patterns: root:
@@ -31,7 +26,6 @@ in rec {
 
   # string -> [[regex bool]]
   gitignoreToPatterns = gitignore:
-    assert throwIfOldNix;
     let
       # ignore -> bool
       isComment = i: (match "^(#.*|$)" i) != null;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5eadc4a2c85c..959422f326e6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -33779,7 +33779,6 @@ with pkgs;
 
   nix-repl = throw (
     "nix-repl has been removed because it's not maintained anymore, " +
-    (lib.optionalString (!lib.versionAtLeast "2" (lib.versions.major builtins.nixVersion)) "ugrade your Nix installation to a newer version and ") +
     "use `nix repl` instead. Also see https://github.com/NixOS/nixpkgs/pull/44903"
   );