tetgen 1.4.3 -> 1.5.0

Keep version 1.4.3 around as `tetgen_1_4`, because the licence
changed from MIT to AGPL3+ in the meantime.

pkgs/applications/science/geometry/tetgen/1.4.nix

···
+{stdenv, fetchurl}:
+
+stdenv.mkDerivation rec {
+  name = "tetgen-1.4.3";
+
+  src = fetchurl {
+    url = "${meta.homepage}/files/tetgen1.4.3.tar.gz";
+    sha256 = "0d70vjqdapmy1ghlsxjlvl5z9yp310zw697bapc4zxmp0sxi29wm";
+  };
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp tetgen $out/bin
+  '';
+
+  meta = {
+    description = "Quality Tetrahedral Mesh Generator and 3D Delaunay Triangulator";
+    homepage = "http://tetgen.org/";
+    license = stdenv.lib.licenses.mit;
+  };
+}

pkgs/applications/science/geometry/tetgen/default.nix

···
 {stdenv, fetchurl}: 
 
-stdenv.mkDerivation rec {
-  name = "tetgen-1.4.3";
+let version = "1.5.0"; in
+stdenv.mkDerivation {
+  name = "tetgen-${version}";
 
   src = fetchurl {
-    url = "${meta.homepage}/files/tetgen1.4.3.tar.gz";
-    sha256 = "0d70vjqdapmy1ghlsxjlvl5z9yp310zw697bapc4zxmp0sxi29wm";
+    url = "http://wias-berlin.de/software/tetgen/1.5/src/tetgen${version}.tar.gz";
+    sha256 = "1www3x2r6r7pck43ismlwy82x0j6xj2qiwvfs2pn687gsmhlh4ad";
   };
 
   installPhase = ''
···
   '';
 
   meta = {
+    inherit version;
     description = "Quality Tetrahedral Mesh Generator and 3D Delaunay Triangulator";
     homepage = "http://tetgen.org/";
-    license = stdenv.lib.licenses.mit;
+    license = stdenv.lib.licenses.agpl3Plus;
   };
 }

pkgs/top-level/all-packages.nix

···
     guile = guile_1_8;
   };
 
-  tetgen = callPackage ../applications/science/geometry/tetgen { };
-
+  tetgen = callPackage ../applications/science/geometry/tetgen { }; # AGPL3+
+  tetgen_1_4 = callPackage ../applications/science/geometry/tetgen/1.4.nix { }; # MIT
 
   ### SCIENCE/BIOLOGY