bsc: add ovni package

bsc/ovni/default.nix

@@ -0,0 +1,30 @@
+{
+  stdenv
+, lib
+, cmake
+, mpi
+, gitBranch ? "master"
+, gitURL ? "ssh://git@gitlab-internal.bsc.es/nos-v/ovni.git"
+, gitCommit ? "9c371d8c12ae4aed333bd7f90d0468603163ad6c"
+# By default use debug
+, enableDebug ? true
+}:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  pname = "ovni";
+  version = "${src.shortRev}";
+
+  buildInputs = [ cmake mpi ];
+
+  cmakeBuildType = if (enableDebug) then "Debug" else "Release";
+  dontStrip = true;
+
+  src = builtins.fetchGit ({
+    url = gitURL;
+    ref = gitBranch;
+  } // optionalAttrs (gitCommit != null) ({
+    rev = gitCommit;
+  }));
+}

overlay.nix

@@ -184,6 +184,11 @@ let
     };
 
     cn6 = callPackage ./bsc/cn6/default.nix { };
+    ovni = callPackage ./bsc/ovni/default.nix { };
+    ovniKernel = callPackage ./bsc/ovni/default.nix {
+      gitBranch = "kernel-context-switch";
+      gitCommit = null;
+    };
 
     # =================================================================
     #  MN4 specific