From 5f1a99cdaa5113174815f73741ebb20496c92b7f Mon Sep 17 00:00:00 2001
From: TomaSajt <62384384+TomaSajt@users.noreply.github.com>
Date: Tue, 30 Apr 2024 15:37:24 +0200
Subject: [PATCH 1/2] scotch: move to pkgs/by-name

---
 .../math/scotch/default.nix => by-name/sc/scotch/package.nix}   | 0
 pkgs/top-level/all-packages.nix                                 | 2 --
 2 files changed, 2 deletions(-)
 rename pkgs/{applications/science/math/scotch/default.nix => by-name/sc/scotch/package.nix} (100%)

diff --git a/pkgs/applications/science/math/scotch/default.nix b/pkgs/by-name/sc/scotch/package.nix
similarity index 100%
rename from pkgs/applications/science/math/scotch/default.nix
rename to pkgs/by-name/sc/scotch/package.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index eaba80f5715d..db156a5eee06 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -39056,8 +39056,6 @@ with pkgs;
 
   scilla = callPackage ../tools/security/scilla { };
 
-  scotch = callPackage ../applications/science/math/scotch { };
-
   mininet = callPackage ../tools/virtualization/mininet { };
 
   msieve = callPackage ../applications/science/math/msieve { };

From 285278da9867f6dcb5ae6f3891b0ea22f8d166b7 Mon Sep 17 00:00:00 2001
From: TomaSajt <62384384+TomaSajt@users.noreply.github.com>
Date: Tue, 30 Apr 2024 15:53:31 +0200
Subject: [PATCH 2/2] scotch: use fetchFromGitLab and format

---
 pkgs/by-name/sc/scotch/package.nix | 38 ++++++++++++++++++++----------
 1 file changed, 26 insertions(+), 12 deletions(-)

diff --git a/pkgs/by-name/sc/scotch/package.nix b/pkgs/by-name/sc/scotch/package.nix
index 1eb057cfc7c5..7a93705cd914 100644
--- a/pkgs/by-name/sc/scotch/package.nix
+++ b/pkgs/by-name/sc/scotch/package.nix
@@ -1,24 +1,39 @@
-{ lib, stdenv, fetchurl, bison, mpi, flex, zlib}:
+{
+  lib,
+  stdenv,
+  fetchFromGitLab,
+  bison,
+  mpi,
+  flex,
+  zlib,
+}:
 
-stdenv.mkDerivation rec {
-  version = "6.1.1";
+stdenv.mkDerivation (finalAttrs: {
   pname = "scotch";
-  src_name = "scotch_${version}";
+  version = "6.1.1";
 
-  buildInputs = [ bison mpi flex zlib ];
+  buildInputs = [
+    bison
+    mpi
+    flex
+    zlib
+  ];
 
-  src = fetchurl {
-    url = "https://gforge.inria.fr/frs/download.php/file/34618/${src_name}.tar.gz";
-    sha256 = "sha256-OQUvWf9HSkppzvwlzzyvhClACIneugEO5kA8oYj4sxE=";
+  src = fetchFromGitLab {
+    domain = "gitlab.inria.fr";
+    owner = "scotch";
+    repo = "scotch";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-GUV6s+P56OAJq9AMe+LZOMPICQO/RuIi+hJAecmO5Wc=";
   };
 
-  sourceRoot = "${src_name}/src";
-
   preConfigure = ''
+    cd src
     ln -s Make.inc/Makefile.inc.x86-64_pc_linux2 Makefile.inc
   '';
 
   buildFlags = [ "scotch ptscotch" ];
+
   installFlags = [ "prefix=\${out}" ];
 
   meta = {
@@ -32,5 +47,4 @@ stdenv.mkDerivation rec {
     maintainers = [ lib.maintainers.bzizou ];
     platforms = lib.platforms.linux;
   };
-}
-
+})