Fix all the stack related things

test/data/stack-project/new-template.cabal

@@ -7,10 +7,10 @@ homepage:            http://github.com/name/project
 -- license-file:        LICENSE
 author:              Your name here
 maintainer:          your.address@example.com
--- copyright:           
+-- copyright:
 category:            Web
 build-type:          Simple
--- extra-source-files:  
+-- extra-source-files:
 cabal-version:       >=1.10
 
 library
@@ -25,6 +25,7 @@ executable new-template-exe
   ghc-options:         -threaded -rtsopts -with-rtsopts=-N
   build-depends:       base
                      , new-template
+                     , bytestring
   default-language:    Haskell2010
 
 test-suite new-template-test

test/data/stack-project/stack.yaml

@@ -0,0 +1,5 @@
+flags: {}
+packages:
+- '.'
+extra-deps: []
+resolver: lts-2.17