From 28a1fffbecc913c05d8fe6d57192bd6371159e98 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Thu, 11 Jun 2020 12:05:21 +0200
Subject: [PATCH] python2.pkgs.dulwich: keep 0.19.16 for python 2

---
 .../python-modules/dulwich/0_19.nix           | 30 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  7 +++--
 2 files changed, 34 insertions(+), 3 deletions(-)
 create mode 100644 pkgs/development/python-modules/dulwich/0_19.nix

diff --git a/pkgs/development/python-modules/dulwich/0_19.nix b/pkgs/development/python-modules/dulwich/0_19.nix
new file mode 100644
index 000000000000..82b9bed492cc
--- /dev/null
+++ b/pkgs/development/python-modules/dulwich/0_19.nix
@@ -0,0 +1,30 @@
+{ stdenv, buildPythonPackage, fetchPypi
+, urllib3, certifi
+, gevent, geventhttpclient, mock, fastimport
+, git, glibcLocales }:
+
+buildPythonPackage rec {
+  version = "0.19.16";
+  pname = "dulwich";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "f74561c448bfb6f04c07de731c1181ae4280017f759b0bb04fa5770aa84ca850";
+  };
+
+  LC_ALL = "en_US.UTF-8";
+
+  propagatedBuildInputs = [ urllib3 certifi ];
+
+  # Only test dependencies
+  checkInputs = [ git glibcLocales gevent geventhttpclient mock fastimport ];
+
+  doCheck = !stdenv.isDarwin;
+
+  meta = with stdenv.lib; {
+    description = "Simple Python implementation of the Git file formats and protocols";
+    homepage = "https://samba.org/~jelmer/dulwich/";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ koral ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7cfe411f08d0..e64626faaaf8 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3652,9 +3652,10 @@ in {
     duckdb = pkgs.duckdb;
   };
 
-  dulwich = callPackage ../development/python-modules/dulwich {
-    inherit (pkgs) git glibcLocales;
-  };
+  dulwich = if isPy3k then
+    callPackage ../development/python-modules/dulwich { }
+  else
+    callPackage ../development/python-modules/dulwich/0_19.nix { };
 
   hg-git = callPackage ../development/python-modules/hg-git { };