tvl-depot/third_party/overlays/haskell/default.nix
Profpatsch f1a75e88cf fix(third_party/nix-diff): use version which handles non-utf8 drvs
We had a problem on whitby where decoding of the drv files would fail
with an utf8-decoding error.

This version of nix-diff will leniently input files as utf-8, with
replacement characters if necessary.

Change-Id: I5cb245923c6db0875e63e420cb0783e235b6859f
2021-11-29 15:41:47 +00:00

26 lines
855 B
Nix

# Defines an overlay for overriding Haskell packages, for example to
# avoid breakage currently present in nixpkgs or to modify package
# versions.
{ lib, ... }:
self: super: # overlay parameters for the nixpkgs overlay
let
overrides = hsSelf: hsSuper: with super.haskell.lib; {
generic-arbitrary = appendPatch hsSuper.generic-arbitrary
[ ./patches/generic-arbitrary-export-garbitrary.patch ];
nix-diff = overrideSrc hsSuper.nix-diff {
src = builtins.fetchTarball {
# https://github.com/Gabriel439/nix-diff/pull/50
url = "https://github.com/Profpatsch/nix-diff/archive/6234936b26cd144d321039a44cf1791dcfaee026.tar.gz";
sha256 = "1i3ahh8jmiayf29i1xrl2n1dkldgdmrllmccxi4yx6hbcd0r2b1l";
};
};
};
in {
haskellPackages = super.haskellPackages.override {
inherit overrides;
};
}