Build Haskell arion instead

arion-compose.cabal

@@ -1,4 +1,4 @@
-cabal-version:       2.2
+cabal-version:       2.4
 
 name:                arion-compose
 version:             0.1.0.0
@@ -15,6 +15,13 @@ maintainer:          robert@hercules-ci.com
 extra-source-files:  CHANGELOG.md, README.asciidoc
 write-ghc-enviroment-files:
                      never
+data-files:          nix/*.nix
+                   , nix/modules/composition/*.nix
+                   , nix/modules/nixos/*.nix
+                   , nix/modules/service/*.nix
+
+-- all data is verbatim from some sources
+data-dir:            src
 
 common deps
   build-depends:     base ^>=4.12.0.0
@@ -45,7 +52,7 @@ executable arion
 test-suite arion-unit-tests
   import:              deps
   type:                exitcode-stdio-1.0
-  main-is:             Main.hs
+  main-is:             TestMain.hs
   -- other-modules:
   -- other-extensions:
   build-depends:       arion-compose

nix/overlay.nix

@@ -3,7 +3,8 @@ let
   inherit (self.arion-project) haskellPkgs;
 in
 {
-  arion = super.callPackage ../arion.nix {};
+  arion-v0 = super.callPackage ../arion.nix {};
+  arion = super.haskell.lib.justStaticExecutables haskellPkgs.arion-compose;
   tests = super.callPackage ../tests {};
   doc = super.callPackage ../doc {};