Patch overzealous dependency restrictions in Haskell packages.

pkgs/development/libraries/haskell/clientsession/default.nix

@@ -10,6 +10,9 @@ cabal.mkDerivation (self: {
     base64Bytestring cereal cprngAes cryptoApi cryptocipher entropy
     skein tagged
   ];
+  patchPhase = ''
+    sed -i -e 's|, base64-bytestring.*|, base64-bytestring|' clientsession.cabal
+  '';
   meta = {
     homepage = "http://github.com/yesodweb/clientsession/tree/master";
     description = "Securely store session data in a client-side cookie";

pkgs/development/libraries/haskell/filestore/default.nix

@@ -11,6 +11,9 @@ cabal.mkDerivation (self: {
   buildDepends = [
     Diff filepath HUnit mtl parsec split time utf8String xml
   ];
+  patchPhase = ''
+    sed -i -e 's|split.*,|split,|' filestore.cabal
+  '';
   noHaddock = true;
   meta = {
     description = "Interface for versioning file stores";

pkgs/development/libraries/haskell/happstack/happstack-server.nix

@@ -13,6 +13,9 @@ cabal.mkDerivation (self: {
     html monadControl mtl network parsec sendfile syb systemFilepath
     text time transformers transformersBase utf8String xhtml zlib
   ];
+  patchPhase = ''
+    sed -i -e 's|base64-bytestring.*,|base64-bytestring,|' happstack-server.cabal
+  '';
   meta = {
     homepage = "http://happstack.com";
     description = "Web related tools and services";

pkgs/development/libraries/haskell/hledger-lib/default.nix

@@ -10,6 +10,9 @@ cabal.mkDerivation (self: {
     cmdargs csv filepath HUnit mtl parsec regexpr safe shakespeareText
     split time transformers utf8String
   ];
+  patchPhase = ''
+    sed -i -e 's|,split.*|,split|' hledger-lib.cabal
+  '';
   meta = {
     homepage = "http://hledger.org";
     description = "Core data types, parsers and utilities for the hledger accounting tool";

pkgs/development/libraries/haskell/hledger/default.nix

@@ -13,6 +13,9 @@ cabal.mkDerivation (self: {
     cabalFileTh cmdargs filepath haskeline hledgerLib HUnit mtl parsec
     regexpr safe shakespeareText split text time utf8String
   ];
+  patchPhase = ''
+    sed -i -e 's|,split.*|,split|' hledger.cabal
+  '';
   meta = {
     homepage = "http://hledger.org";
     description = "The main command-line interface for the hledger accounting tool";

pkgs/development/libraries/haskell/mime-mail/default.nix

@@ -7,6 +7,9 @@ cabal.mkDerivation (self: {
   buildDepends = [
     base64Bytestring blazeBuilder filepath random text
   ];
+  patchPhase = ''
+    sed -i -e 's|, base64-bytestring.*|, base64-bytestring|' mime-mail.cabal
+  '';
   meta = {
     homepage = "http://github.com/snoyberg/mime-mail";
     description = "Compose MIME email messages";

pkgs/development/libraries/haskell/pandoc/default.nix

@@ -15,6 +15,9 @@ cabal.mkDerivation (self: {
     highlightingKate HTTP json mtl network pandocTypes parsec random
     syb tagsoup temporary texmath time utf8String xml zipArchive zlib
   ];
+  patchPhase = ''
+    sed -i -e 's|base64-bytestring.*,|base64-bytestring,|' pandoc.cabal
+  '';
   meta = {
     homepage = "http://johnmacfarlane.net/pandoc";
     description = "Conversion between markup formats";

pkgs/development/libraries/haskell/wai-app-static/default.nix

@@ -13,7 +13,10 @@ cabal.mkDerivation (self: {
     cryptoConduit cryptohash fileEmbed httpDate httpTypes mimeTypes
     systemFileio systemFilepath text time transformers unixCompat wai
   ];
-  meta = {
+  patchPhase = ''
+    sed -i -e 's|, base64-bytestring.*|, base64-bytestring|' wai-app-static.cabal
+  '';
+    meta = {
     homepage = "http://www.yesodweb.com/book/wai";
     description = "WAI application for static serving";
     license = self.stdenv.lib.licenses.mit;