From e13494d0716b8599e56c435d8848c71a0f103169 Mon Sep 17 00:00:00 2001
From: Xinglu Chen <public@yoctocell.xyz>
Date: Thu, 24 Mar 2022 16:17:24 +0100
Subject: [PATCH 1/2] lib.licenses: add MIT-0

<https://spdx.org/licenses/MIT-0.html>
---
 lib/licenses.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/licenses.nix b/lib/licenses.nix
index b9310ef6c5b8..e2d3fb1eb391 100644
--- a/lib/licenses.nix
+++ b/lib/licenses.nix
@@ -607,6 +607,11 @@ in mkLicense lset) ({
     fullName = "Enlightenment License (e16)";
   };
 
+  mit0 = {
+    spdxId = "MIT-0";
+    fullName = "MIT No Attribution";
+  };
+
   mpl10 = {
     spdxId = "MPL-1.0";
     fullName = "Mozilla Public License 1.0";

From c92bd0b04e9837f7284326b95f6afba23cdfc48f Mon Sep 17 00:00:00 2001
From: Xinglu Chen <public@yoctocell.xyz>
Date: Thu, 24 Mar 2022 16:19:18 +0100
Subject: [PATCH 2/2] patatt: init at 0.4.9

---
 pkgs/development/tools/patatt/default.nix | 28 +++++++++++++++++++++++
 pkgs/top-level/all-packages.nix           |  2 ++
 2 files changed, 30 insertions(+)
 create mode 100644 pkgs/development/tools/patatt/default.nix

diff --git a/pkgs/development/tools/patatt/default.nix b/pkgs/development/tools/patatt/default.nix
new file mode 100644
index 000000000000..fce4f5063763
--- /dev/null
+++ b/pkgs/development/tools/patatt/default.nix
@@ -0,0 +1,28 @@
+{ lib, python3Packages }:
+
+python3Packages.buildPythonApplication rec {
+  pname = "patatt";
+  version = "0.4.9";
+
+  src = python3Packages.fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-qHhNxgP43vBSjrHp2Ygzq5J/f6YyBD4VDTp9S1ud6zo=";
+  };
+
+  propagatedBuildInputs = with python3Packages; [
+    pynacl
+  ];
+
+  meta = with lib; {
+    homepage = "https://git.kernel.org/pub/scm/utils/patatt/patatt.git/about/";
+    license = licenses.mit0;
+    description = "Add cryptographic attestation to patches sent via email";
+    longDescription = ''
+      This utility allows an easy way to add end-to-end cryptographic
+      attestation to patches sent via mail.  It does so by adapting the
+      DKIM email signature standard to include cryptographic
+      signatures via the X-Developer-Signature email header.
+    '';
+    maintainers = with maintainers; [ yoctocell ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 63fe1960ff9f..3cf427b19b7c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8886,6 +8886,8 @@ with pkgs;
 
   patchage = callPackage ../applications/audio/patchage { };
 
+  patatt = callPackage ../development/tools/patatt { };
+
   pcapfix = callPackage ../tools/networking/pcapfix { };
 
   pbzip2 = callPackage ../tools/compression/pbzip2 { };