distgen: init at 1.3

This tool is mainly used in openshift to build source to image containers.

pkgs/development/tools/distgen/default.nix

@@ -0,0 +1,32 @@
+{ lib, python3 }:
+
+python3.pkgs.buildPythonApplication rec {
+  pname = "distgen";
+  version = "1.3";
+
+  src = python3.pkgs.fetchPypi {
+    inherit pname version;
+    sha256 = "03jwy08wgp1lp6208vks1hv9g1f3aj45cml6k99mm3nw1jfnlbbq";
+  };
+
+  checkInputs = with python3.pkgs; [
+    pytest
+    mock
+  ];
+
+  propagatedBuildInputs = with python3.pkgs; [
+    distro
+    jinja2
+    six
+    pyyaml
+  ];
+
+  checkPhase = "make test-unit PYTHON=${python3.executable}";
+
+  meta = with lib; {
+    description = "Templating system/generator for distributions";
+    license = licenses.gpl2Plus;
+    homepage = "https://distgen.readthedocs.io/";
+    maintainers = with maintainers; [ bachp ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1423,6 +1423,8 @@ in
 
   dislocker = callPackage ../tools/filesystems/dislocker { };
 
+  distgen = callPackage ../development/tools/distgen {};
+
   distrobuilder = callPackage ../tools/virtualization/distrobuilder { };
 
   ditaa = callPackage ../tools/graphics/ditaa { };