gnucash: Enable support for Finance::Quote

pkgs/applications/office/gnucash/default.nix

@@ -1,7 +1,7 @@
 { fetchurl, stdenv, pkgconfig, libxml2, gconf, glib, gtk, libgnomeui, libofx
 , libgtkhtml, gtkhtml, libgnomeprint, goffice, enchant, gettext, libbonoboui
 , intltool, perl, guile, slibGuile, swig, isocodes, bzip2, makeWrapper, libglade
-, libgsf, libart_lgpl
+, libgsf, libart_lgpl, perlPackages
 }:
 
 /* If you experience GConf errors when running GnuCash on NixOS, see
@@ -21,23 +21,31 @@ stdenv.mkDerivation rec {
     pkgconfig libxml2 gconf glib gtk libgnomeui libgtkhtml gtkhtml
     libgnomeprint goffice enchant gettext intltool perl guile slibGuile
     swig isocodes bzip2 makeWrapper libofx libglade libgsf libart_lgpl
+    perlPackages.DateManip perlPackages.FinanceQuote
   ];
 
   configureFlags = "CFLAGS=-O3 CXXFLAGS=-O3 --disable-dbi --enable-ofx";
 
   postInstall = ''
-    sed -i $out/bin/update-gnucash-gconf                                \
+    # Auto-updaters don't make sense in Nix.
+    rm $out/bin/gnc-fq-update
+
+    sed -i $out/bin/update-gnucash-gconf \
        -e 's|--config-source=[^ ]* --install-schema-file|--makefile-install-rule|'
-    for prog in "$out/bin/"*
+
+    for prog in $(echo "$out/bin/"*)
     do
+      # Don't wrap the gnc-fq-* scripts, since gnucash calls them as
+      # "perl <script>', i.e. they must be Perl scripts.
+      if [[ $prog =~ gnc-fq ]]; then continue; fi
       wrapProgram "$prog"                                               \
         --set SCHEME_LIBRARY_PATH "$SCHEME_LIBRARY_PATH"                \
         --prefix GUILE_LOAD_PATH ":" "$GUILE_LOAD_PATH"                 \
         --prefix LD_LIBRARY_PATH ":" "${libgnomeui}/lib/libglade/2.0"   \
         --prefix LD_LIBRARY_PATH ":" "${libbonoboui}/lib/libglade/2.0"  \
+        --prefix PERL5LIB ":" "$PERL5LIB"                               \
         --set GCONF_CONFIG_SOURCE 'xml::~/.gconf'                       \
-        --prefix PATH ":" "${gconf}/bin"                                \
-        --suffix PATH ":" "$out/bin"
+        --prefix PATH ":" "$out/bin:${perl}/bin:${gconf}/bin"
     done
   '';