Setting a developer mode and its implication

garlic/exp/saiph/numcomm.nix

@@ -12,6 +12,7 @@ with stdenv.lib;
 let
   # Set variable configuration for the experiment
   varConfig = {
+    devMode = [ true ];
     numComm = [ 1 ];
   };
 
@@ -148,7 +149,7 @@ let
       });
     in
     customPkgs.bsc.garlic.saiph.override {
-      inherit numComm mpi gitBranch;
+      inherit devMode numComm mpi gitBranch;
     };
 
   stages = with common; []

garlic/saiph/default.nix

@@ -6,6 +6,7 @@
 , cc 
 , vtk
 , boost
+, devMode ? false
 , gitBranch ? "master"
 , numComm ? null
 , vectFlags ? null
@@ -15,13 +16,13 @@
 stdenv.mkDerivation rec {
   name = "saiph";
 
-  src = builtins.fetchGit {
-    url = "ssh://git@bscpm02.bsc.es/DSLs/saiph.git";
-    ref = "${gitBranch}";
-  };
+  src = (if (devMode == true) then ~/repos/saiph
+         else
+	 builtins.fetchGit {
+           url = "ssh://git@bscpm02.bsc.es/DSLs/saiph.git";
+           ref = "${gitBranch}";
+         });
 
-  #src = /tmp/saiph;
-  
   programPath = "/bin/ExHeat3D";
 
   enableParallelBuilding = true;
@@ -42,11 +43,12 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "bindnow" ];
   
   preBuild = ''
-    cd saiphv2/cpp/src
-
+    cd saiphv2/cpp/src 
     export VTK_VERSION=8.2
     export VTK_HOME=${vtk}
-  '';
+  ''
+  + (if (devMode == true) then "make clean" else "")
+  ;
 
   makeFlags = [
     "-f" "Makefile.${cc.cc.CC}"