localPackages.vasp: export source

local/pkgs/default.nix

@@ -41,6 +41,7 @@
   lmod = callPackage ./lmod { src = topInputs.lmod; };
   vasp =
   {
+    source = callPackage ./vasp/source.nix {};
     gnu = callPackage ./vasp/gnu
     {
       inherit (llvmPackages) openmp;

local/pkgs/vasp/gnu/default.nix

@@ -3,18 +3,12 @@
   rsync, blas, scalapack, mpi, openmp, gfortran, gcc, fftwMpi, hdf5, wannier90
 }:
 let
-  versions = import ../source.nix;
+  sources = import ../source.nix { inherit requireFile; };
   vasp = version: stdenvNoCC.mkDerivation rec
   {
     pname = "vasp-gnu";
     inherit version;
-    src = requireFile
-    {
-      name = "vasp-${version}";
-      sha256 = versions.${version};
-      hashMode = "recursive";
-      message = "Source file not found.";
-    };
+    src = sources.${version};
     configurePhase =
     ''
       cp ${./makefile.include-${version}} makefile.include
@@ -49,4 +43,4 @@ let
       exec "$@"
     '';
   };
-in builtins.mapAttrs (version: _: startScript version) versions
+in builtins.mapAttrs (version: _: startScript version) sources

local/pkgs/vasp/nvidia/default.nix

@@ -4,7 +4,7 @@
   nvhpc, lmod, mkl, gfortran, rsync, which, hdf5, wannier90
 }:
 let
-  versions = import ../source.nix;
+  sources = import ../source.nix { inherit requireFile; };
   buildEnv = buildFHSEnv
   {
     name = "buildEnv";
@@ -30,13 +30,7 @@ let
   {
     pname = "vasp";
     inherit version;
-    src = requireFile
-    {
-      name = "${pname}-${version}";
-      sha256 = versions.${version};
-      hashMode = "recursive";
-      message = "Source file not found.";
-    };
+    src = sources.${version};
     configurePhase =
     ''
       cp ${include version} makefile.include
@@ -74,4 +68,4 @@ let
     targetPkgs = pkgs: with pkgs; [ zlib (vasp version) ];
     runScript = startScript version;
   };
-in builtins.mapAttrs (version: _: runEnv version) versions
+in builtins.mapAttrs (version: _: runEnv version) sources

local/pkgs/vasp/source.nix

@@ -1,5 +1,16 @@
-{
-  # nix-store --query --hash $(nix store add-path ./vasp-6.4.0)
-  "6.3.1" = "1xdr5kjxz6v2li73cbx1ls5b1lnm6z16jaa4fpln7d3arnnr1mgx";
-  "6.4.0" = "189i1l5q33ynmps93p2mwqf5fx7p4l50sls1krqlv8ls14s3m71f";
-}
+{ requireFile }:
+let
+  hashes =
+  {
+    # nix-store --query --hash $(nix store add-path ./vasp-6.4.0)
+    "6.3.1" = "1xdr5kjxz6v2li73cbx1ls5b1lnm6z16jaa4fpln7d3arnnr1mgx";
+    "6.4.0" = "189i1l5q33ynmps93p2mwqf5fx7p4l50sls1krqlv8ls14s3m71f";
+  };
+  sources = version: sha256: requireFile
+  {
+    name = "vasp-${version}";
+    inherit sha256;
+    hashMode = "recursive";
+    message = "Source file not found.";
+  };
+in builtins.mapAttrs sources hashes