Full plan support (#31)

Fixes #26

Author: angerman

.gitattributes

@@ -0,0 +1,10 @@
+# GitHub Linguist annotations.
+# Hide nix/.stack.nix/*.nix
+# Hide nix/.plan.nix/*.nix
+# That is stuff that is generated by nix-tools stack-to-nix
+
+nix/.stack.nix/*.nix linguist-generated=true
+nix/.plan.nix/*.nix linguist-generated=true
+.stack-to-nix.cache linguist-generated=true
+nix/.stack-pkgs.nix linguist-generated=true
+nix/.plan-pkgs.nix linguist-generated=true

.stack-to-nix.cache

@@ -1,5 +1,11 @@
 packages: . 
 
+-- Needs https://github.com/input-output-hk/iohk-nix/commit/6a8c29117eff36ce975e02e01efc8b25d93fcb90#diff-6fb0c6517b547a8baf082d5d2d604842
+-- to work with the data-dir issues when building components.
+
+constraints: haskell-src-exts < 1.21
+           , pretty-show < 1.9
+
 source-repository-package
     type: git
     location: https://github.com/ElvishJerricco/hackage-db.git

cabal.project

@@ -14,8 +14,8 @@ in
 , haskell ? import (overrideWith "haskell"
                      (pkgs.fetchFromGitHub { owner  = "input-output-hk";
                                              repo   = "haskell.nix";
-                                             rev    = "7446d044a0db6acdd3d13c1d933ec1ed6da9a606";
-                                             sha256 = "11zsf22r98xxr0wj38mm9ig9gsgk5c3wf0xcsxfbf7xxyg4v22iv";
+                                             rev    = "3584345a9ab001d1867e972a1a20b4406cbffd68";
+                                             sha256 = "08pzfvspfl5nvn5szy7bv3rbwymjgmbdm1ac571c64fzhrwf5ghw";
                                              name   = "haskell-lib-source"; }))
                    { inherit pkgs; }
 }:

default.nix

@@ -33,6 +33,7 @@ library
                      , bytestring
                      , cryptohash-sha256
                      , base16-bytestring
+                     , hpack
   hs-source-dirs:      lib
   default-language:    Haskell2010
 
@@ -72,15 +73,29 @@ executable hashes-to-nix
 executable plan-to-nix
   ghc-options:         -Wall
   main-is:             Main.hs
+  other-modules:       Plan2Nix
+                     , Plan2Nix.Cache
+                     , Plan2Nix.CLI
+                     , Plan2Nix.Project
+                     , Plan2Nix.Plan
   build-depends:       base >=4.11 && <4.13
                      , nix-tools
                      , hnix >= 0.5.0
+                     , Cabal >= 2.4
                      , text
+                     , hpack
                      , unordered-containers
                      , vector
                      , aeson
                      , microlens
                      , microlens-aeson
+                     , optparse-applicative
+                     , prettyprinter
+                     , filepath
+                     , directory
+                     , bytestring
+                     , transformers
+                     , extra
   hs-source-dirs:      plan2nix
   default-language:    Haskell2010