From ed228206464bb120234a31c357b45bfe9142682f Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@gmail.com>
Date: Sat, 23 Jan 2021 14:13:58 +0100
Subject: [PATCH 1/2] lammps: stable_22Aug2018 -> stable_29Oct2020

---
 .../science/molecular-dynamics/lammps/default.nix             | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/science/molecular-dynamics/lammps/default.nix b/pkgs/applications/science/molecular-dynamics/lammps/default.nix
index 51ce64115ea5..4f5423863a28 100644
--- a/pkgs/applications/science/molecular-dynamics/lammps/default.nix
+++ b/pkgs/applications/science/molecular-dynamics/lammps/default.nix
@@ -12,14 +12,14 @@ let packages = [
 in
 stdenv.mkDerivation rec {
   # LAMMPS has weird versioning converted to ISO 8601 format
-  version = "stable_22Aug2018";
+  version = "stable_29Oct2020";
   pname = "lammps";
 
   src = fetchFromGitHub {
     owner = "lammps";
     repo = "lammps";
     rev = version;
-    sha256 = "1dlifm9wm1jcw2zwal3fnzzl41ng08c7v48w6hx2mz84zljg1nsj";
+    sha256 = "1rmi9r5wj2z49wg43xyhqn9sm37n95cyli3g7vrqk3ww35mmh21q";
   };
 
   passthru = {

From dd9bc408afaf8771982c12a7f5be61919883c967 Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@gmail.com>
Date: Sat, 23 Jan 2021 14:21:10 +0100
Subject: [PATCH 2/2] lammps: update GPL2 license field

---
 .../science/molecular-dynamics/lammps/default.nix             | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/science/molecular-dynamics/lammps/default.nix b/pkgs/applications/science/molecular-dynamics/lammps/default.nix
index 4f5423863a28..c377d961820e 100644
--- a/pkgs/applications/science/molecular-dynamics/lammps/default.nix
+++ b/pkgs/applications/science/molecular-dynamics/lammps/default.nix
@@ -59,8 +59,8 @@ stdenv.mkDerivation rec {
       funding from the DOE. It is an open-source code, distributed freely
       under the terms of the GNU Public License (GPL).
       '';
-    homepage = "http://lammps.sandia.gov";
-    license = licenses.gpl2;
+    homepage = "https://lammps.sandia.gov";
+    license = licenses.gpl2Plus;
     platforms = platforms.linux;
     maintainers = [ maintainers.costrouc ];
   };