1 files changed, 41 insertions, 30 deletions
diff --git a/pkgs/applications/science/biology/iv/default.nix b/pkgs/applications/science/biology/iv/default.nix
index 72cf9c86e65..ba1b91298bb 100644
--- a/pkgs/applications/science/biology/iv/default.nix
+++ b/pkgs/applications/science/biology/iv/default.nix
@@ -1,32 +1,43 @@
-{ lib, stdenv, fetchurl, neuron-version
-, libX11, libXext, patchelf
+{ lib
+, stdenv
+, fetchurl
+, neuron-version
+, libX11
+, libXext
+, patchelf
 }:
 
-stdenv.mkDerivation rec
-  { name = "iv-19";
-    src = fetchurl
-      { url = "https://www.neuron.yale.edu/ftp/neuron/versions/v${neuron-version}/${name}.tar.gz";
-        sha256 = "07a3g8zzay4h0bls7fh89dd0phn7s34c2g15pij6dsnwpmjg06yx";
-      };
-    nativeBuildInputs = [ patchelf ];
-    buildInputs = [ libXext ];
-    propagatedBuildInputs = [ libX11 ];
-    hardeningDisable = [ "format" ];
-    postInstall = ''
-      for dir in $out/*; do # */
-        if [ -d $dir/lib ]; then
-    mv $dir/* $out # */
-          rmdir $dir
-          break
-        fi
-      done
-    '' + lib.optionalString stdenv.isLinux ''
-      patchelf --add-needed ${libX11}/lib/libX11.so $out/lib/libIVhines.so
-    '';
-    meta = with lib;
-      { description = "InterViews graphical library for Neuron";
-        license     = licenses.bsd3;
-        homepage    = "http://www.neuron.yale.edu/neuron";
-        platforms   = platforms.all;
-      };
-  }
+stdenv.mkDerivation rec {
+  pname = "iv";
+  version = "19";
+
+  src = fetchurl {
+    url = "https://www.neuron.yale.edu/ftp/neuron/versions/v${neuron-version}/iv-${version}.tar.gz";
+    sha256 = "07a3g8zzay4h0bls7fh89dd0phn7s34c2g15pij6dsnwpmjg06yx";
+  };
+
+  nativeBuildInputs = [ patchelf ];
+  buildInputs = [ libXext ];
+  propagatedBuildInputs = [ libX11 ];
+
+  hardeningDisable = [ "format" ];
+
+  postInstall = ''
+    for dir in $out/*; do # */
+      if [ -d $dir/lib ]; then
+        mv $dir/* $out # */
+        rmdir $dir
+        break
+      fi
+    done
+  '' + lib.optionalString stdenv.isLinux ''
+    patchelf --add-needed ${libX11}/lib/libX11.so $out/lib/libIVhines.so
+  '';
+
+  meta = with lib; {
+    description = "InterViews graphical library for Neuron";
+    license = licenses.bsd3;
+    homepage = "http://www.neuron.yale.edu/neuron";
+    platforms = platforms.all;
+  };
+}