Breaks the library and exe as separate cabal projects.

ringo-app/ringo-app.cabal

@@ -0,0 +1,41 @@
+name:                ringo-app
+version:             0.1.0.0
+synopsis:            OLTP to OLAP schema transformer
+description:         Tool to transform OLTP schemas to OLAP star schemas automatically
+homepage:            http://github.com/abhin4v/ringo
+license:             MIT
+license-file:        ../LICENSE
+author:              Abhinav Sarkar
+maintainer:          abhinav@abhinavsarkar.net
+copyright:           2015-2016 Quintype Inc, Nilenso Software LLP, Abhinav Sarkar
+category:            SQL
+build-type:          Simple
+-- extra-source-files:
+cabal-version:       >=1.18
+
+executable ringo
+  hs-source-dirs:      src
+  other-modules:       Ringo.ArgParser,
+                       Ringo.InputParser,
+                       Distribution.CurrentPackageDescription
+  main-is:             Main.hs
+  build-depends:       base                 >=4.7     && <5,
+                       text                 >=1.2     && <1.3,
+                       bytestring           >=0.10    && <0.11,
+                       containers           >=0.5     && <0.6,
+                       optparse-applicative >=0.11    && <0.13,
+                       yaml                 >=0.8.11  && <0.9,
+                       vector               >=0.10    && <0.12,
+                       directory            >=1.2     && <1.3,
+                       filepath             >=1.3     && <1.5,
+                       aeson                >=0.8     && <0.12,
+                       Cabal                >=1.18    && <1.23,
+                       template-haskell     >=2.9     && <2.11,
+                       ringo
+  ghc-options:         -Wall -Werror -fwarn-incomplete-uni-patterns -fno-warn-unused-do-bind
+                       -fno-warn-orphans -funbox-strict-fields -O2
+  default-language:    Haskell2010
+
+source-repository head
+  type:     git
+  location: https://github.com/abhin4v/ringo

ringo/Setup.hs

@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain

ringo/ringo.cabal

@@ -4,7 +4,7 @@ synopsis:            OLTP to OLAP schema transformer
 description:         Tool to transform OLTP schemas to OLAP star schemas automatically
 homepage:            http://github.com/abhin4v/ringo
 license:             MIT
-license-file:        LICENSE
+license-file:        ../LICENSE
 author:              Abhinav Sarkar
 maintainer:          abhinav@abhinavsarkar.net
 copyright:           2015-2016 Quintype Inc, Nilenso Software LLP, Abhinav Sarkar
@@ -38,29 +38,6 @@ library
                        -fno-warn-orphans -funbox-strict-fields -O2
   default-language:    Haskell2010
 
-executable ringo
-  hs-source-dirs:      app
-  other-modules:       Ringo.ArgParser,
-                       Ringo.InputParser,
-                       Distribution.CurrentPackageDescription
-  main-is:             Main.hs
-  build-depends:       base                 >=4.7     && <5,
-                       text                 >=1.2     && <1.3,
-                       bytestring           >=0.10    && <0.11,
-                       containers           >=0.5     && <0.6,
-                       optparse-applicative >=0.11    && <0.13,
-                       yaml                 >=0.8.11  && <0.9,
-                       vector               >=0.10    && <0.12,
-                       directory            >=1.2     && <1.3,
-                       filepath             >=1.3     && <1.5,
-                       aeson                >=0.8     && <0.12,
-                       Cabal                >=1.18    && <1.23,
-                       template-haskell     >=2.9     && <2.11,
-                       ringo
-  ghc-options:         -Wall -Werror -fwarn-incomplete-uni-patterns -fno-warn-unused-do-bind
-                       -fno-warn-orphans -funbox-strict-fields -O2
-  default-language:    Haskell2010
-
 test-suite ringo-test
   type:                exitcode-stdio-1.0
   hs-source-dirs:      test, src

stack.yaml

@@ -5,7 +5,8 @@ resolver: lts-5.1
 
 # Local packages, usually specified by relative directory name
 packages:
-- '.'
+- 'ringo'
+- 'ringo-app'
 
 # Packages to be pulled from upstream that are not in the resolver (e.g., acme-missiles-0.3)
 extra-deps: