From 75f3bb55bed5c83b738e1df510963fbf48044025 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Sat, 25 Apr 2026 12:57:46 +0200
Subject: [PATCH] nixVersions.nix_2_30: remove

Nix 2.30 is no longer maintained upstream and was the last consumer of
the lowdown 3.0 backport patch.
---
 pkgs/tools/package-management/nix/default.nix | 23 ++--------------
 .../lowdown-3.0-compat-2.28-2.30.patch        | 27 -------------------
 2 files changed, 2 insertions(+), 48 deletions(-)
 delete mode 100644 pkgs/tools/package-management/nix/patches/lowdown-3.0-compat-2.28-2.30.patch

diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 0ff19738b39c..8dfbd7f46bd2 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -150,32 +150,11 @@ let
       test = "shebang.sh";
     }
   ];
-
-  # Lowdown 3.0 compatibility patch for nix 2.28 and 2.30, which have a
-  # different markdown.cc layout (no LOWDOWN_TERM_NORELLINK branch) and
-  # never received an upstream backport.
-  lowdown30PatchOld = ./patches/lowdown-3.0-compat-2.28-2.30.patch;
 in
 lib.makeExtensible (
   self:
   (
     {
-      nixComponents_2_30 =
-        (nixDependencies.callPackage ./modular/packages.nix rec {
-          version = "2.30.5";
-          inherit teams;
-          otherSplices = generateSplicesForNixComponents "nixComponents_2_30";
-          src = removeFunctionalTests commonDisabledTests (fetchFromGitHub {
-            owner = "NixOS";
-            repo = "nix";
-            tag = version;
-            hash = "sha256-tGiV71RxtCNcUNX86ZwmOIghG4pLwm5nlRKd89er7Gk=";
-          });
-        }).appendPatches
-          [ lowdown30PatchOld ];
-
-      nix_2_30 = addTests "nix_2_30" self.nixComponents_2_30.nix-everything;
-
       nixComponents_2_31 =
         (nixDependencies.callPackage ./modular/packages.nix rec {
           version = "2.31.5";
@@ -245,6 +224,7 @@ lib.makeExtensible (
       // {
         nixComponents_2_27 = throw "nixComponents_2_27 has been removed. use nixComponents_2_31.";
         nixComponents_2_29 = throw "nixComponents_2_29 has been removed. use nixComponents_2_31.";
+        nixComponents_2_30 = throw "nixComponents_2_30 has been removed. use nixComponents_2_31.";
         nixComponents_2_32 = throw "nixComponents_2_32 has been removed. use nixComponents_2_34.";
         nixComponents_2_33 = throw "nixComponents_2_33 has been removed. use nixComponents_2_34.";
         nix_2_24 = throw "nix_2_24 has been removed. use nix_2_31.";
@@ -253,6 +233,7 @@ lib.makeExtensible (
         nix_2_25 = throw "nix_2_25 has been removed. use nix_2_31.";
         nix_2_28 = throw "nix_2_28 has been removed. use nix_2_31.";
         nix_2_29 = throw "nix_2_29 has been removed. use nix_2_31.";
+        nix_2_30 = throw "nix_2_30 has been removed. use nix_2_31.";
         nix_2_32 = throw "nix_2_32 has been removed. use nix_2_34.";
         nix_2_33 = throw "nix_2_33 has been removed. use nix_2_34.";
 
diff --git a/pkgs/tools/package-management/nix/patches/lowdown-3.0-compat-2.28-2.30.patch b/pkgs/tools/package-management/nix/patches/lowdown-3.0-compat-2.28-2.30.patch
deleted file mode 100644
index dd527f7f1cd6..000000000000
--- a/pkgs/tools/package-management/nix/patches/lowdown-3.0-compat-2.28-2.30.patch
+++ /dev/null
@@ -1,27 +0,0 @@
---- a/src/libcmd/markdown.cc
-+++ b/src/libcmd/markdown.cc
-@@ -37,7 +37,13 @@
-         .vmargin = 0,
- #  endif
-         .feat = LOWDOWN_COMMONMARK | LOWDOWN_FENCED | LOWDOWN_DEFLIST | LOWDOWN_TABLES,
--        .oflags = LOWDOWN_TERM_NOLINK,
-+        .oflags =
-+#  if HAVE_LOWDOWN_3
-+            LOWDOWN_NOLINK
-+#  else
-+            LOWDOWN_TERM_NOLINK
-+#  endif
-+        ,
-     };
-
-     auto doc = lowdown_doc_new(&opts);
---- a/src/libcmd/meson.build
-+++ b/src/libcmd/meson.build
-@@ -36,6 +36,7 @@
- configdata.set('HAVE_LOWDOWN', lowdown.found().to_int())
- # The API changed slightly around terminal initialization.
- configdata.set('HAVE_LOWDOWN_1_4', lowdown.version().version_compare('>= 1.4.0').to_int())
-+configdata.set('HAVE_LOWDOWN_3', lowdown.version().version_compare('>= 3.0.0').to_int())
-
- readline_flavor = get_option('readline-flavor')
- if readline_flavor == 'editline'