0fac38fd48
It still suffers from ‘everything breaks’ if there is any Haskell in user env: https://github.com/NixOS/nixpkgs/issues/4560
40 lines
1.5 KiB
Nix
40 lines
1.5 KiB
Nix
# This is a manually-written expression over an in-tree cabal file.
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# It's awkward but this way allows the package user to pass in
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# extraPackages without much extra hassle on their end, similarly how
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# the XMonad service handles it: the difference is that we don't have
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# anything like XMONAD_GHC…
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#
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# The idea is that the user changes their configs using any libraries
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# he likes and then builds it using this expression. Once that's done,
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# ‘reload’ and similar functions should all work as long as the user
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# doesn't need new libraries at which point they should add them to
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# extraPackages and rebuild from the expression.
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{ cabal, yi, extraPackages, makeWrapper, ghcWithPackages }:
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let
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w = ghcWithPackages (self: [ yi ] ++ extraPackages self);
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wrappedGhc = w.override { ignoreCollisions = true; };
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in
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cabal.mkDerivation (self: rec {
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pname = "yi-custom";
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version = "0.0.0.1";
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src = ./yi-custom-cabal;
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isLibrary = true;
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buildDepends = [ yi ];
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buildTools = [ makeWrapper ];
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noHaddock = true;
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doCheck = false;
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# put custom GHC env in front which stops crap from being picked up
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# from user database
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postInstall = ''
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makeWrapper ${yi}/bin/yi $out/bin/yi --prefix PATH : ${wrappedGhc}/bin
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'';
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meta = {
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homepage = "http://haskell.org/haskellwiki/Yi";
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description = "Wrapper over user-specified Haskell libraries for use in Yi config";
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license = self.stdenv.lib.licenses.publicDomain;
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platforms = self.ghc.meta.platforms;
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maintainers = with self.stdenv.lib.maintainers; [ fuuzetsu ];
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};
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}) |