Upgraded stack to lts-13.6 and hakyll to 4.12.5.1

.circleci/config.yml

@@ -11,7 +11,8 @@ jobs:
     - image: ubuntu:18.04
     steps:
     - run: apt-get update
-    - run: apt-get --yes install cabal-install haskell-stack libz-dev netbase locales git
+    - run: apt-get --yes install cabal-install haskell-stack libz-dev netbase locales git curl
+    - run: curl -sSL https://get.haskellstack.org/ | sh -s - -f
     - add_ssh_keys
     - checkout
     - run: git fetch

empires.cabal

@@ -5,7 +5,7 @@ cabal-version:      >= 1.10
 
 executable site
   main-is:          site.hs
-  build-depends:    base == 4.*
-                  , hakyll == 4.6.*
+  build-depends:    base >= 4.0
+                  , hakyll >= 4.6.0
   ghc-options:      -threaded
   default-language: Haskell2010

posts/2017-05-04-textures.markdown

@@ -1,5 +1,5 @@
 ---
-title: A new goal: polish
+title: "A new goal: polish"
 author: Tama
 ---
 

stack.yaml

@@ -1 +1,4 @@
-resolver: lts-2.22
+resolver: lts-13.6
+extra-deps:
+- lrucache-1.2.0.1
+- hakyll-4.12.5.1