···

       
26
       
26
       
 
       
  # For hacking purposes

     

       
27
       
27
       
 
       
  env = yiEnv;

     

       
28
       
28
       
 
       


     

       
29
       
29
       
+
       
  meta = with stdenv.lib; {

     

       
30
       
30
       
+
       
    description = "Allows Yi to find libraries and the compiler easily.";

     

       
31
       
31
       
+
       
    # This wrapper and wrapper only is under PD

     

       
32
       
32
       
+
       
    license = licenses.publicDomain;

     

       
33
       
33
       
+
       
    maintainers = with maintainers; [ fuuzetsu ];

     

       
34
       
34
       
+
       
  };

     

       
35
       
35
       
+
       


     

       
29
       
36
       
 
       
}

     

···

       
1
       
1
       
-
       
# This is a manually-written expression over an in-tree cabal file.

     

       
2
       
2
       
-
       
# It's awkward but this way allows the package user to pass in

     

       
3
       
3
       
-
       
# extraPackages without much extra hassle on their end, similarly how

     

       
4
       
4
       
-
       
# the XMonad service handles it: the difference is that we don't have

     

       
5
       
5
       
-
       
# anything like XMONAD_GHC…

     

       
6
       
6
       
-
       
#

     

       
7
       
7
       
-
       
# The idea is that the user changes their configs using any libraries

     

       
8
       
8
       
-
       
# he likes and then builds it using this expression. Once that's done,

     

       
9
       
9
       
-
       
# ‘reload’ and similar functions should all work as long as the user

     

       
10
       
10
       
-
       
# doesn't need new libraries at which point they should add them to

     

       
11
       
11
       
-
       
# extraPackages and rebuild from the expression.

     

       
12
       
12
       
-
       
{ cabal, yi, extraPackages, makeWrapper, ghcWithPackages }:

     

       
13
       
13
       
-
       
let

     

       
14
       
14
       
-
       
  w = ghcWithPackages (self: [ yi ] ++ extraPackages self);

     

       
15
       
15
       
-
       
  wrappedGhc = w.override { ignoreCollisions = true; };

     

       
16
       
16
       
-
       
in

     

       
17
       
17
       
-
       
cabal.mkDerivation (self: rec {

     

       
18
       
18
       
-
       
  pname = "yi-custom";

     

       
19
       
19
       
-
       
  version = "0.0.0.1";

     

       
20
       
20
       
-
       
  src = ./yi-custom-cabal;

     

       
21
       
21
       
-
       
  isLibrary = true;

     

       
22
       
22
       
-
       
  buildDepends = [ yi ];

     

       
23
       
23
       
-
       
  buildTools = [ makeWrapper ];

     

       
24
       
24
       
-
       
  noHaddock = true;

     

       
25
       
25
       
-
       
  doCheck = false;

     

       
26
       
26
       
-
       


     

       
27
       
27
       
-
       
  postInstall = ''

     

       
28
       
28
       
-
       
    makeWrapper ${yi}/bin/yi $out/bin/yi \

     

       
29
       
29
       
-
       
      --set NIX_GHC ${wrappedGhc}/bin/ghc \

     

       
30
       
30
       
-
       
      --set NIX_GHC_LIBDIR ${wrappedGhc}/lib/ghc-${self.ghc.version}

     

       
31
       
31
       
-
       
  '';

     

       
32
       
32
       
-
       
  meta = {

     

       
33
       
33
       
-
       
    homepage = "http://haskell.org/haskellwiki/Yi";

     

       
34
       
34
       
-
       
    description = "Wrapper over user-specified Haskell libraries for use in Yi config";

     

       
35
       
35
       
-
       
    license = self.stdenv.lib.licenses.publicDomain;

     

       
36
       
36
       
-
       
    platforms = self.ghc.meta.platforms;

     

       
37
       
37
       
-
       
    maintainers = with self.stdenv.lib.maintainers; [ fuuzetsu ];

     

       
38
       
38
       
-
       
  };

     

       
39
       
39
       
-
       


     

       
40
       
40
       
-
       
})