pkgs: refactor needless quoting of homepage meta attribute (#27809)

* pkgs: refactor needless quoting of homepage meta attribute

A lot of packages are needlessly quoting the homepage meta attribute
(about 1400, 22%), this commit refactors all of those instances.

* pkgs: Fixing some links that were wrongfully unquoted in the previous
commit

* Fixed some instances

50 files changed, 50 insertions, 50 deletions

diff --git a/pkgs/applications/science/astronomy/celestia/default.nix b/pkgs/applications/science/astronomy/celestia/default.nix
index d28aa8e62a1..674aa666b7e 100644
--- a/pkgs/applications/science/astronomy/celestia/default.nix
+++ b/pkgs/applications/science/astronomy/celestia/default.nix
@@ -68,7 +68,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Free space simulation";
-    homepage = "http://www.shatters.net/celestia/";
+    homepage = http://www.shatters.net/celestia/;
     license = stdenv.lib.licenses.gpl2;
 
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/applications/science/astronomy/gravit/default.nix b/pkgs/applications/science/astronomy/gravit/default.nix
index eb5506e7490..02723530ba1 100644
--- a/pkgs/applications/science/astronomy/gravit/default.nix
+++ b/pkgs/applications/science/astronomy/gravit/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   preConfigure = "./autogen.sh";
 
   meta = {
-    homepage = "http://gravit.slowchop.com";
+    homepage = http://gravit.slowchop.com;
     description = "Beautiful OpenGL-based gravity simulator";
     license = stdenv.lib.licenses.gpl2;
 
diff --git a/pkgs/applications/science/astronomy/stellarium/default.nix b/pkgs/applications/science/astronomy/stellarium/default.nix
index da6aa38d746..886a98f2e6b 100644
--- a/pkgs/applications/science/astronomy/stellarium/default.nix
+++ b/pkgs/applications/science/astronomy/stellarium/default.nix
@@ -22,7 +22,7 @@ mkDerivation rec {
 
   meta = with lib; {
     description = "Free open-source planetarium";
-    homepage = "http://stellarium.org/";
+    homepage = http://stellarium.org/;
     license = licenses.gpl2;
 
     platforms = platforms.linux; # should be mesaPlatforms, but we don't have qt on darwin
diff --git a/pkgs/applications/science/biology/igv/default.nix b/pkgs/applications/science/biology/igv/default.nix
index 917863d1ba1..a2a40f0acc8 100644
--- a/pkgs/applications/science/biology/igv/default.nix
+++ b/pkgs/applications/science/biology/igv/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = "https://www.broadinstitute.org/igv/";
+    homepage = https://www.broadinstitute.org/igv/;
     description = "A visualization tool for interactive exploration of genomic datasets";
     license = licenses.lgpl21;
     platforms = platforms.unix;
diff --git a/pkgs/applications/science/biology/plink-ng/default.nix b/pkgs/applications/science/biology/plink-ng/default.nix
index eb4d2714a12..06fc1ef641b 100644
--- a/pkgs/applications/science/biology/plink-ng/default.nix
+++ b/pkgs/applications/science/biology/plink-ng/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A comprehensive update to the PLINK association analysis toolset";
-    homepage = "https://www.cog-genomics.org/plink2";
+    homepage = https://www.cog-genomics.org/plink2;
     license = stdenv.lib.licenses.gpl3;
     platforms = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/applications/science/biology/plink/default.nix b/pkgs/applications/science/biology/plink/default.nix
index 009e12aa02f..cc48a0cb13a 100644
--- a/pkgs/applications/science/biology/plink/default.nix
+++ b/pkgs/applications/science/biology/plink/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
   
   meta = {
     description = "Whole genome association toolkit";
-    homepage = "http://pngu.mgh.harvard.edu/~purcell/plink/";
+    homepage = http://pngu.mgh.harvard.edu/~purcell/plink/;
     license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.all;
     broken = true;
diff --git a/pkgs/applications/science/chemistry/pymol/default.nix b/pkgs/applications/science/chemistry/pymol/default.nix
index ed208014f7d..39c027706ee 100644
--- a/pkgs/applications/science/chemistry/pymol/default.nix
+++ b/pkgs/applications/science/chemistry/pymol/default.nix
@@ -45,7 +45,7 @@ python3Packages.buildPythonApplication {
 
   meta = {
     description = description;
-    homepage = "https://www.pymol.org/";
+    homepage = https://www.pymol.org/;
     license = licenses.psfl;
   };
 }
diff --git a/pkgs/applications/science/electronics/kicad/default.nix b/pkgs/applications/science/electronics/kicad/default.nix
index a7dcbb675f5..506cdcd4037 100644
--- a/pkgs/applications/science/electronics/kicad/default.nix
+++ b/pkgs/applications/science/electronics/kicad/default.nix
@@ -62,7 +62,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Free Software EDA Suite";
-    homepage = "http://www.kicad-pcb.org/";
+    homepage = http://www.kicad-pcb.org/;
     license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/applications/science/electronics/ngspice/default.nix b/pkgs/applications/science/electronics/ngspice/default.nix
index dfcdac20ae0..2588ee39add 100644
--- a/pkgs/applications/science/electronics/ngspice/default.nix
+++ b/pkgs/applications/science/electronics/ngspice/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "The Next Generation Spice (Electronic Circuit Simulator)";
-    homepage = "http://ngspice.sourceforge.net";
+    homepage = http://ngspice.sourceforge.net;
     license = with licenses; [ "BSD" gpl2 ];
     maintainers = with maintainers; [ viric rongcuid ];
     platforms = platforms.linux;
diff --git a/pkgs/applications/science/electronics/qfsm/default.nix b/pkgs/applications/science/electronics/qfsm/default.nix
index 4b4d21aca00..56bc66eb3ca 100644
--- a/pkgs/applications/science/electronics/qfsm/default.nix
+++ b/pkgs/applications/science/electronics/qfsm/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Graphical editor for finite state machines";
-    homepage = "http://qfsm.sourceforge.net/";
+    homepage = http://qfsm.sourceforge.net/;
     license = stdenv.lib.licenses.gpl3Plus;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/applications/science/electronics/tkgate/1.x.nix b/pkgs/applications/science/electronics/tkgate/1.x.nix
index 2a3f17b670b..aca1f9a3589 100644
--- a/pkgs/applications/science/electronics/tkgate/1.x.nix
+++ b/pkgs/applications/science/electronics/tkgate/1.x.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Event driven digital circuit simulator with a TCL/TK-based graphical editor";
-    homepage = "http://www.tkgate.org/";
+    homepage = http://www.tkgate.org/;
     license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [ stdenv.lib.maintainers.peti ];
     hydraPlatforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/applications/science/geometry/tetgen/1.4.nix b/pkgs/applications/science/geometry/tetgen/1.4.nix
index 9dd25473683..3a2dbf180ee 100644
--- a/pkgs/applications/science/geometry/tetgen/1.4.nix
+++ b/pkgs/applications/science/geometry/tetgen/1.4.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Quality Tetrahedral Mesh Generator and 3D Delaunay Triangulator";
-    homepage = "http://tetgen.org/";
+    homepage = http://tetgen.org/;
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/applications/science/geometry/tetgen/default.nix b/pkgs/applications/science/geometry/tetgen/default.nix
index 904fb6c7d49..b655cc48c73 100644
--- a/pkgs/applications/science/geometry/tetgen/default.nix
+++ b/pkgs/applications/science/geometry/tetgen/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
   meta = {
     inherit version;
     description = "Quality Tetrahedral Mesh Generator and 3D Delaunay Triangulator";
-    homepage = "http://tetgen.org/";
+    homepage = http://tetgen.org/;
     license = stdenv.lib.licenses.agpl3Plus;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/applications/science/logic/acgtk/default.nix b/pkgs/applications/science/logic/acgtk/default.nix
index 9c8ecd01639..94b292d6588 100644
--- a/pkgs/applications/science/logic/acgtk/default.nix
+++ b/pkgs/applications/science/logic/acgtk/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation {
                  + " " + optionalString installEmacsMode "install-emacs";
 
   meta = with stdenv.lib; {
-    homepage = "http://www.loria.fr/equipes/calligramme/acg";
+    homepage = http://www.loria.fr/equipes/calligramme/acg;
     description = "A toolkit for developing ACG signatures and lexicon";
     license = licenses.cecill20;
     platforms = ocaml.meta.platforms or [];
diff --git a/pkgs/applications/science/logic/coq/8.3.nix b/pkgs/applications/science/logic/coq/8.3.nix
index ec4e530ae52..87b847087e3 100644
--- a/pkgs/applications/science/logic/coq/8.3.nix
+++ b/pkgs/applications/science/logic/coq/8.3.nix
@@ -73,7 +73,7 @@ stdenv.mkDerivation {
       together with an environment for semi-interactive development of
       machine-checked proofs.
     '';
-    homepage = "http://coq.inria.fr";
+    homepage = http://coq.inria.fr;
     license = licenses.lgpl21;
     branch = "8.3";
     maintainers = with maintainers; [ roconnor vbgl ];
diff --git a/pkgs/applications/science/logic/coq/8.4.nix b/pkgs/applications/science/logic/coq/8.4.nix
index 32007ba45ce..34505192021 100644
--- a/pkgs/applications/science/logic/coq/8.4.nix
+++ b/pkgs/applications/science/logic/coq/8.4.nix
@@ -87,7 +87,7 @@ stdenv.mkDerivation {
       together with an environment for semi-interactive development of
       machine-checked proofs.
     '';
-    homepage = "http://coq.inria.fr";
+    homepage = http://coq.inria.fr;
     license = licenses.lgpl21;
     branch = coq-version;
     maintainers = with maintainers; [ roconnor thoughtpolice vbgl ];
diff --git a/pkgs/applications/science/logic/coq/HEAD.nix b/pkgs/applications/science/logic/coq/HEAD.nix
index 8d3fb19b263..209cba07c43 100644
--- a/pkgs/applications/science/logic/coq/HEAD.nix
+++ b/pkgs/applications/science/logic/coq/HEAD.nix
@@ -71,7 +71,7 @@ stdenv.mkDerivation {
       together with an environment for semi-interactive development of
       machine-checked proofs.
     '';
-    homepage = "http://coq.inria.fr";
+    homepage = http://coq.inria.fr;
     license = licenses.lgpl21;
     branch = coq-version;
     maintainers = with maintainers; [ roconnor thoughtpolice vbgl ];
diff --git a/pkgs/applications/science/logic/coq/default.nix b/pkgs/applications/science/logic/coq/default.nix
index fd3655ce9e9..f93856e90e1 100644
--- a/pkgs/applications/science/logic/coq/default.nix
+++ b/pkgs/applications/science/logic/coq/default.nix
@@ -129,7 +129,7 @@ self = stdenv.mkDerivation {
       together with an environment for semi-interactive development of
       machine-checked proofs.
     '';
-    homepage = "http://coq.inria.fr";
+    homepage = http://coq.inria.fr;
     license = licenses.lgpl21;
     branch = coq-version;
     maintainers = with maintainers; [ roconnor thoughtpolice vbgl ];
diff --git a/pkgs/applications/science/logic/cubicle/default.nix b/pkgs/applications/science/logic/cubicle/default.nix
index 9bfbcc3f30d..65a0f72da5e 100644
--- a/pkgs/applications/science/logic/cubicle/default.nix
+++ b/pkgs/applications/science/logic/cubicle/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An open source model checker for verifying safety properties of array-based systems";
-    homepage = "http://cubicle.lri.fr/";
+    homepage = http://cubicle.lri.fr/;
     license = licenses.asl20;
     platforms = platforms.linux;
     maintainers = with maintainers; [ lucas8 ];
diff --git a/pkgs/applications/science/logic/cvc3/default.nix b/pkgs/applications/science/logic/cvc3/default.nix
index 505d09ef390..82fad1134bc 100644
--- a/pkgs/applications/science/logic/cvc3/default.nix
+++ b/pkgs/applications/science/logic/cvc3/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
       [ raskin ];
     platforms = platforms.linux;
     license = licenses.free;
-    homepage = "http://www.cs.nyu.edu/acsys/cvc3/index.html";
+    homepage = http://www.cs.nyu.edu/acsys/cvc3/index.html;
   };
   passthru = {
     updateInfo = {
diff --git a/pkgs/applications/science/logic/hol/default.nix b/pkgs/applications/science/logic/hol/default.nix
index e931c6fcf9d..5eb33daefe8 100644
--- a/pkgs/applications/science/logic/hol/default.nix
+++ b/pkgs/applications/science/logic/hol/default.nix
@@ -79,7 +79,7 @@ stdenv.mkDerivation {
       implementing combinations of deduction, execution and property
       checking.
     '';
-    homepage = "http://hol.sourceforge.net/";
+    homepage = http://hol.sourceforge.net/;
     license = licenses.bsd3;
     maintainers = with maintainers; [ mudri ];
     platforms = with platforms; linux;
diff --git a/pkgs/applications/science/logic/logisim/default.nix b/pkgs/applications/science/logic/logisim/default.nix
index 50ef1edf63e..db784237ea9 100644
--- a/pkgs/applications/science/logic/logisim/default.nix
+++ b/pkgs/applications/science/logic/logisim/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   '';
   
   meta = {
-    homepage = "http://ozark.hendrix.edu/~burch/logisim";
+    homepage = http://ozark.hendrix.edu/~burch/logisim;
     description = "Educational tool for designing and simulating digital logic circuits";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/applications/science/logic/minisat/default.nix b/pkgs/applications/science/logic/minisat/default.nix
index d980afee7c4..4b2116680d5 100644
--- a/pkgs/applications/science/logic/minisat/default.nix
+++ b/pkgs/applications/science/logic/minisat/default.nix
@@ -27,6 +27,6 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ gebner raskin ];
     platforms = platforms.unix;
     license = licenses.mit;
-    homepage = "http://minisat.se/";
+    homepage = http://minisat.se/;
   };
 }
diff --git a/pkgs/applications/science/logic/minisat/unstable.nix b/pkgs/applications/science/logic/minisat/unstable.nix
index 9d63f32c544..f1a42f8215e 100644
--- a/pkgs/applications/science/logic/minisat/unstable.nix
+++ b/pkgs/applications/science/logic/minisat/unstable.nix
@@ -18,6 +18,6 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ mic92 ];
     platforms = platforms.unix;
     license = licenses.mit;
-    homepage = "http://minisat.se/";
+    homepage = http://minisat.se/;
   };
 }
diff --git a/pkgs/applications/science/logic/opensmt/default.nix b/pkgs/applications/science/logic/opensmt/default.nix
index 6129eaadc89..f9f021b15f0 100644
--- a/pkgs/applications/science/logic/opensmt/default.nix
+++ b/pkgs/applications/science/logic/opensmt/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     maintainers = [ maintainers.raskin ];
     platforms = platforms.linux;
     license = licenses.gpl3;
-    homepage = "http://code.google.com/p/opensmt/";
+    homepage = http://code.google.com/p/opensmt/;
     broken = true;
     downloadPage = "http://code.google.com/p/opensmt/downloads/list";
   };
diff --git a/pkgs/applications/science/logic/prover9/default.nix b/pkgs/applications/science/logic/prover9/default.nix
index 43c2ae141b7..74e31d062f4 100644
--- a/pkgs/applications/science/logic/prover9/default.nix
+++ b/pkgs/applications/science/logic/prover9/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = "http://www.cs.unm.edu/~mccune/mace4/";
+    homepage = http://www.cs.unm.edu/~mccune/mace4/;
     license = "GPL";
     description = "Automated theorem prover for first-order and equational logic";
     longDescription = ''
diff --git a/pkgs/applications/science/logic/redprl/default.nix b/pkgs/applications/science/logic/redprl/default.nix
index 49245c73f2c..9da2647d113 100644
--- a/pkgs/applications/science/logic/redprl/default.nix
+++ b/pkgs/applications/science/logic/redprl/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   '';
   meta = {
     description = "A proof assistant for Nominal Computational Type Theory";
-    homepage = "http://www.redprl.org/";
+    homepage = http://www.redprl.org/;
     license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.acowley ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/applications/science/logic/satallax/default.nix b/pkgs/applications/science/logic/satallax/default.nix
index 6f42ff15a22..c22bff9cdee 100644
--- a/pkgs/applications/science/logic/satallax/default.nix
+++ b/pkgs/applications/science/logic/satallax/default.nix
@@ -60,7 +60,7 @@ stdenv.mkDerivation rec {
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.linux;
     downloadPage = "http://www.ps.uni-saarland.de/~cebrown/satallax/downloads.php";
-    homepage = "http://www.ps.uni-saarland.de/~cebrown/satallax/index.php";
+    homepage = http://www.ps.uni-saarland.de/~cebrown/satallax/index.php;
     updateWalker = true;
   };
 }
diff --git a/pkgs/applications/science/math/LiE/default.nix b/pkgs/applications/science/math/LiE/default.nix
index 515b7e27289..e0b0bc11f05 100644
--- a/pkgs/applications/science/math/LiE/default.nix
+++ b/pkgs/applications/science/math/LiE/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A Computer algebra package for Lie group computations";
-    homepage = "http://wwwmathlabo.univ-poitiers.fr/~maavl/LiE/";
+    homepage = http://wwwmathlabo.univ-poitiers.fr/~maavl/LiE/;
     license = stdenv.lib.licenses.lgpl3; # see the website
 
     longDescription = ''
diff --git a/pkgs/applications/science/math/R/default.nix b/pkgs/applications/science/math/R/default.nix
index e75ae2222ae..5adece31370 100644
--- a/pkgs/applications/science/math/R/default.nix
+++ b/pkgs/applications/science/math/R/default.nix
@@ -69,7 +69,7 @@ stdenv.mkDerivation rec {
   setupHook = ./setup-hook.sh;
 
   meta = with stdenv.lib; {
-    homepage = "http://www.r-project.org/";
+    homepage = http://www.r-project.org/;
     description = "Free software environment for statistical computing and graphics";
     license = licenses.gpl2Plus;
 
diff --git a/pkgs/applications/science/math/eukleides/default.nix b/pkgs/applications/science/math/eukleides/default.nix
index 879ad96a936..6d1c778d1e0 100644
--- a/pkgs/applications/science/math/eukleides/default.nix
+++ b/pkgs/applications/science/math/eukleides/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Geometry Drawing Language";
-    homepage = "http://www.eukleides.org/";
+    homepage = http://www.eukleides.org/;
     license = stdenv.lib.licenses.gpl2;
 
     longDescription = ''
diff --git a/pkgs/applications/science/math/gfan/default.nix b/pkgs/applications/science/math/gfan/default.nix
index dbd28cf9e8c..05f09e4aedb 100644
--- a/pkgs/applications/science/math/gfan/default.nix
+++ b/pkgs/applications/science/math/gfan/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.gpl2 ;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.linux;
-    homepage = "http://home.math.au.dk/jensen/software/gfan/gfan.html";
+    homepage = http://home.math.au.dk/jensen/software/gfan/gfan.html;
   };
 }
diff --git a/pkgs/applications/science/math/mathematica/10.nix b/pkgs/applications/science/math/mathematica/10.nix
index 4de4a0c261d..6a49976c86b 100644
--- a/pkgs/applications/science/math/mathematica/10.nix
+++ b/pkgs/applications/science/math/mathematica/10.nix
@@ -132,7 +132,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Wolfram Mathematica computational software system";
-    homepage = "http://www.wolfram.com/mathematica/";
+    homepage = http://www.wolfram.com/mathematica/;
     license = stdenv.lib.licenses.unfree;
   };
 }
diff --git a/pkgs/applications/science/math/mathematica/9.nix b/pkgs/applications/science/math/mathematica/9.nix
index 07a20b4ebe0..c4fd0c384c1 100644
--- a/pkgs/applications/science/math/mathematica/9.nix
+++ b/pkgs/applications/science/math/mathematica/9.nix
@@ -118,7 +118,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Wolfram Mathematica computational software system";
-    homepage = "http://www.wolfram.com/mathematica/";
+    homepage = http://www.wolfram.com/mathematica/;
     license = stdenv.lib.licenses.unfree;
   };
 }
diff --git a/pkgs/applications/science/math/mathematica/default.nix b/pkgs/applications/science/math/mathematica/default.nix
index 1a9adcd4782..f11a23def6a 100644
--- a/pkgs/applications/science/math/mathematica/default.nix
+++ b/pkgs/applications/science/math/mathematica/default.nix
@@ -133,7 +133,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Wolfram Mathematica computational software system";
-    homepage = "http://www.wolfram.com/mathematica/";
+    homepage = http://www.wolfram.com/mathematica/;
     license = stdenv.lib.licenses.unfree;
   };
 }
diff --git a/pkgs/applications/science/math/maxima/default.nix b/pkgs/applications/science/math/maxima/default.nix
index 5a19f73d9cf..0ba1212567f 100644
--- a/pkgs/applications/science/math/maxima/default.nix
+++ b/pkgs/applications/science/math/maxima/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation ({
 
   meta = {
     description = "Computer algebra system";
-    homepage = "http://maxima.sourceforge.net";
+    homepage = http://maxima.sourceforge.net;
     license = stdenv.lib.licenses.gpl2;
 
     longDescription = ''
diff --git a/pkgs/applications/science/math/nauty/default.nix b/pkgs/applications/science/math/nauty/default.nix
index 7503c50c6d2..36ac84ece25 100644
--- a/pkgs/applications/science/math/nauty/default.nix
+++ b/pkgs/applications/science/math/nauty/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.asl20;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.linux;
-    homepage = "http://pallini.di.uniroma1.it/";
+    homepage = http://pallini.di.uniroma1.it/;
   };
 }
diff --git a/pkgs/applications/science/math/perseus/default.nix b/pkgs/applications/science/math/perseus/default.nix
index 55293e6c8a7..2d150d0c30e 100644
--- a/pkgs/applications/science/math/perseus/default.nix
+++ b/pkgs/applications/science/math/perseus/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation {
       around datasets arising from point samples, images, distance
       matrices and so forth.
     '';
-    homepage = "http://www.sas.upenn.edu/~vnanda/perseus/index.html";
+    homepage = http://www.sas.upenn.edu/~vnanda/perseus/index.html;
     license = stdenv.lib.licenses.gpl3;
     maintainers = with stdenv.lib.maintainers; [erikryb];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/applications/science/math/pssp/default.nix b/pkgs/applications/science/math/pssp/default.nix
index e74e17fa44f..02d24d601b1 100644
--- a/pkgs/applications/science/math/pssp/default.nix
+++ b/pkgs/applications/science/math/pssp/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = "http://www.gnu.org/software/pspp/";
+    homepage = http://www.gnu.org/software/pspp/;
     description = "A free replacement for SPSS, a program for statistical analysis of sampled data";
     license = stdenv.lib.licenses.gpl3Plus;
 
diff --git a/pkgs/applications/science/math/ratpoints/default.nix b/pkgs/applications/science/math/ratpoints/default.nix
index 1e99b8782a9..82a6836bd62 100644
--- a/pkgs/applications/science/math/ratpoints/default.nix
+++ b/pkgs/applications/science/math/ratpoints/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.linux;
-    homepage = "http://www.mathe2.uni-bayreuth.de/stoll/programs/";
+    homepage = http://www.mathe2.uni-bayreuth.de/stoll/programs/;
     updateWalker = true;
   };
 }
diff --git a/pkgs/applications/science/math/ripser/default.nix b/pkgs/applications/science/math/ripser/default.nix
index 7f94b7408a1..b7453ecb01d 100644
--- a/pkgs/applications/science/math/ripser/default.nix
+++ b/pkgs/applications/science/math/ripser/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A lean C++ code for the computation of Vietoris–Rips persistence barcodes";
-    homepage = "https://github.com/Ripser/ripser";
+    homepage = https://github.com/Ripser/ripser;
     license = stdenv.lib.licenses.lgpl3;
     maintainers = with stdenv.lib.maintainers; [erikryb];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/applications/science/math/sage/default.nix b/pkgs/applications/science/math/sage/default.nix
index e6630815ba1..bf3c7fcea98 100644
--- a/pkgs/applications/science/math/sage/default.nix
+++ b/pkgs/applications/science/math/sage/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   installPhase = ''DESTDIR=$out make install'';
 
   meta = {
-    homepage = "http://www.sagemath.org";
+    homepage = http://www.sagemath.org;
     description = "A free open source mathematics software system";
     license = stdenv.lib.licenses.gpl2Plus;
     broken = true;
diff --git a/pkgs/applications/science/math/scotch/default.nix b/pkgs/applications/science/math/scotch/default.nix
index 2e928bc8f34..3b01c684d52 100644
--- a/pkgs/applications/science/math/scotch/default.nix
+++ b/pkgs/applications/science/math/scotch/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
       Scotch is a software package for graph and mesh/hypergraph partitioning, graph clustering, 
       and sparse matrix ordering.
     '';
-    homepage = "http://www.labri.fr/perso/pelegrin/scotch";
+    homepage = http://www.labri.fr/perso/pelegrin/scotch;
     license = stdenv.lib.licenses.cecill-c;
     maintainers = [ stdenv.lib.maintainers.bzizou ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/applications/science/math/singular/default.nix b/pkgs/applications/science/math/singular/default.nix
index 3fe8b542995..b098da060e0 100644
--- a/pkgs/applications/science/math/singular/default.nix
+++ b/pkgs/applications/science/math/singular/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ raskin ];
     platforms = subtractLists platforms.i686 platforms.linux;
     license = licenses.gpl3; # Or GPLv2 at your option - but not GPLv4
-    homepage = "http://www.singular.uni-kl.de/index.php";
+    homepage = http://www.singular.uni-kl.de/index.php;
     downloadPage = "http://www.mathematik.uni-kl.de/ftp/pub/Math/Singular/SOURCES/";
   };
 }
diff --git a/pkgs/applications/science/math/symmetrica/default.nix b/pkgs/applications/science/math/symmetrica/default.nix
index 0c87beb22df..a7212299aa6 100644
--- a/pkgs/applications/science/math/symmetrica/default.nix
+++ b/pkgs/applications/science/math/symmetrica/default.nix
@@ -24,6 +24,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.publicDomain;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.linux;
-    homepage = "http://www.symmetrica.de/";
+    homepage = http://www.symmetrica.de/;
   };
 }
diff --git a/pkgs/applications/science/math/weka/default.nix b/pkgs/applications/science/math/weka/default.nix
index cfc63a50165..18cb2689063 100644
--- a/pkgs/applications/science/math/weka/default.nix
+++ b/pkgs/applications/science/math/weka/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = "http://www.cs.waikato.ac.nz/ml/weka/";
+    homepage = http://www.cs.waikato.ac.nz/ml/weka/;
     description = "Collection of machine learning algorithms for data mining tasks";
     license = stdenv.lib.licenses.gpl2Plus;
     maintainer = [stdenv.lib.maintainers.mimadrid];
diff --git a/pkgs/applications/science/medicine/aliza/default.nix b/pkgs/applications/science/medicine/aliza/default.nix
index 7cdacc1738b..b0471b80e2f 100644
--- a/pkgs/applications/science/medicine/aliza/default.nix
+++ b/pkgs/applications/science/medicine/aliza/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Medical imaging software with 2D, 3D and 4D capabilities";
-    homepage = "http://www.aliza-dicom-viewer.com";
+    homepage = http://www.aliza-dicom-viewer.com;
     license = licenses.unfreeRedistributable;
     maintainers = with maintainers; [ mounium ];
   };
diff --git a/pkgs/applications/science/misc/cytoscape/default.nix b/pkgs/applications/science/misc/cytoscape/default.nix
index d36b0f0b4d9..d5ffe9cd9ba 100644
--- a/pkgs/applications/science/misc/cytoscape/default.nix
+++ b/pkgs/applications/science/misc/cytoscape/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = "http://www.cytoscape.org";
+    homepage = http://www.cytoscape.org;
     description = "A general platform for complex network analysis and visualization";
     license = stdenv.lib.licenses.lgpl21;
     maintainers = [stdenv.lib.maintainers.mimadrid];
diff --git a/pkgs/applications/science/misc/root/default.nix b/pkgs/applications/science/misc/root/default.nix
index c13169041aa..cc961c8d392 100644
--- a/pkgs/applications/science/misc/root/default.nix
+++ b/pkgs/applications/science/misc/root/default.nix
@@ -71,7 +71,7 @@ stdenv.mkDerivation rec {
   setupHook = ./setup-hook.sh;
 
   meta = {
-    homepage = "https://root.cern.ch/";
+    homepage = https://root.cern.ch/;
     description = "A data analysis framework";
     platforms = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ veprbl ];
diff --git a/pkgs/applications/science/molecular-dynamics/lammps/default.nix b/pkgs/applications/science/molecular-dynamics/lammps/default.nix
index 35ab5348368..9a89b88d7a5 100644
--- a/pkgs/applications/science/molecular-dynamics/lammps/default.nix
+++ b/pkgs/applications/science/molecular-dynamics/lammps/default.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
       funding from the DOE. It is an open-source code, distributed freely
       under the terms of the GNU Public License (GPL).
       '';
-    homepage = "http://lammps.sandia.gov";
+    homepage = http://lammps.sandia.gov;
     license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.linux;
   };