1 files changed, 14 insertions, 8 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/nmigen/default.nix b/nixpkgs/pkgs/development/python-modules/nmigen/default.nix
index 345ba982b0b..02569e0a81b 100644
--- a/nixpkgs/pkgs/development/python-modules/nmigen/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/nmigen/default.nix
@@ -2,6 +2,8 @@
 , buildPythonPackage
 , pythonOlder
 , fetchFromGitHub
+, setuptools
+, setuptools_scm
 , pyvcd
 , bitarray
 , jinja2
@@ -19,19 +21,22 @@
 
 buildPythonPackage rec {
   pname = "nmigen";
-  version = "unstable-2019-08-31";
-  realVersion = lib.substring 0 7 src.rev;
+  version = "unstable-2019-09-28";
+  # python setup.py --version
+  realVersion = "0.1.dev689+g${lib.substring 0 7 src.rev}";
 
   src = fetchFromGitHub {
     owner = "m-labs";
     repo = "nmigen";
-    rev = "2e206220462c67aa6ae97f7515a2191440fd61b3";
-    sha256 = "0y3w6vd493jqm9b8ppgwzs02v1al8w1n5gylljlsw70ci7fyk4qa";
+    rev = "a02e3750bfeba44bcaad4c5de8d9eb0ef055d9c6";
+    sha256 = "0m399c2nm7y54q2f0fbkmi4h35csbc2llckm6k9kqdf5qc6355wd";
   };
 
   disabled = pythonOlder "3.6";
 
-  propagatedBuildInputs = [ pyvcd bitarray jinja2 ];
+  nativeBuildInputs = [ setuptools_scm ];
+
+  propagatedBuildInputs = [ setuptools pyvcd bitarray jinja2 ];
 
   checkInputs = [ yosys yices ];
 
@@ -48,14 +53,15 @@ buildPythonPackage rec {
       tool icestorm "icepack" //
       tool trellis "ecppack";
   in ''
-    substituteInPlace setup.py \
-      --replace 'versioneer.get_version()' '"${realVersion}"'
-
     substituteInPlace nmigen/_toolchain.py \
       --replace 'overrides = {}' \
                 'overrides = ${builtins.toJSON toolchainOverrides}'
   '';
 
+  preBuild = ''
+    export SETUPTOOLS_SCM_PRETEND_VERSION="${realVersion}"
+  '';
+
   meta = with lib; {
     description = "A refreshed Python toolbox for building complex digital hardware";
     homepage = https://github.com/m-labs/nmigen;