Local patch to fix #257

Stackage/Config.hs

@@ -476,9 +476,6 @@ defaultStablePackages ghcVer requireHP = unPackageMap $ execWriter $ do
     -- https://github.com/fpco/stackage/issues/242
     addRange "Michael Snoyman" "mongoDB" "< 1.5"
 
-    -- https://github.com/fpco/stackage/issues/257
-    addRange "Michael Snoyman" "aeson" "< 0.8"
-
     -- https://github.com/fpco/stackage/issues/263
     addRange "Michael Snoyman" "semigroupoids" "< 4.1"
 

patching/patches/arbtt-0.8.1.patch

@@ -0,0 +1,30 @@
+diff -ruN orig/arbtt.cabal new/arbtt.cabal
+--- orig/arbtt.cabal	2014-08-10 08:32:58.666725004 +0300
++++ new/arbtt.cabal	2014-08-10 08:32:58.000000000 +0300
+@@ -35,7 +35,7 @@
+     build-depends:
+         base == 4.5.* || == 4.6.* || == 4.7.*,
+         filepath, directory, transformers, time >= 1.4, utf8-string,
+-        aeson == 0.6.* || == 0.7.*,
++        aeson,
+         array == 0.4.* || == 0.5.*,
+         binary >= 0.5,
+         bytestring, deepseq, strict, old-locale
+@@ -82,7 +82,7 @@
+         binary >= 0.5,
+         deepseq, bytestring, utf8-string, time >= 1.4, strict,
+         transformers, unix, directory, filepath,
+-        aeson == 0.6.* || == 0.7.*,
++        aeson,
+         array == 0.4.* || == 0.5.*,
+         terminal-progress-bar, bytestring-progress
+     other-modules:
+@@ -112,7 +112,7 @@
+         base == 4.5.* || == 4.6.* || == 4.7.*,
+         parsec == 3.*,
+         containers == 0.5.*,
+-        aeson == 0.6.* || == 0.7.*,
++        aeson,
+         array == 0.4.* || == 0.5.*,
+         binary >= 0.5,
+         deepseq, bytestring, utf8-string, time >= 1.4, strict,