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tvl-depot/third_party/overlays/haskell/default.nix

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refactor: Move nixpkgs attribute to `third_party.nixpkgs` Please read b/108 to make sense of this. This gets rid of the explicit list of exposed packages from nixpkgs, and instead makes the entire package set available at `third_party.nixpkgs`. To accommodate this, a LOT of things have to be very slightly shuffled around. Some of this was done in already submitted CLs, but this change is unfortunately still quite noisy. Pay extra attention to: * overlay-like functionality that was partially moved to actual overlays (partially as in, the minimum required to get a green build) * modified uses of the package set path, esp. in NixOS systems Special notes: * xanthous has been disabled in CI because of issues with the Haskell overlay * //third_party/nix has been disabled because of other unclear dependency issues Both of these will be tackled in a followup CL. Change-Id: I2f9c60a4d275fdb5209264be0addfd7e06c53118 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2910 Reviewed-by: glittershark <grfn@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2021-04-10 18:05:16 +02:00
# Defines an overlay for overriding Haskell packages, for example to
# avoid breakage currently present in nixpkgs or to modify package
# versions.
refactor(3p/overlays): Move haskell overlay to new tree location nixpkgs_exposed is going away, and the haskell overlay is independent from that. See also b/108, cl/2910 Change-Id: I3aea6dfc427a914f3f88146fd0b45d60dfd45a1a Reviewed-on: https://cl.tvl.fyi/c/depot/+/2918 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2021-04-10 14:12:25 +02:00
{ ... }: # This file needs nothing from readTree
feat(3p/haskellPackages): port in patches from xanthous Add a few relatively uncontroversial patches to fix some broken packages that I had developed for xanthous to the top-level third_party tree, so they can be reused by other people in the monorepo Change-Id: I68740477bda278c5dcc123080029ee4bd2cae37a Reviewed-on: https://cl.tvl.fyi/c/depot/+/740 Reviewed-by: Profpatsch <mail@profpatsch.de> Reviewed-by: tazjin <mail@tazj.in>
2020-06-29 03:27:02 +02:00
refactor: Move nixpkgs attribute to `third_party.nixpkgs` Please read b/108 to make sense of this. This gets rid of the explicit list of exposed packages from nixpkgs, and instead makes the entire package set available at `third_party.nixpkgs`. To accommodate this, a LOT of things have to be very slightly shuffled around. Some of this was done in already submitted CLs, but this change is unfortunately still quite noisy. Pay extra attention to: * overlay-like functionality that was partially moved to actual overlays (partially as in, the minimum required to get a green build) * modified uses of the package set path, esp. in NixOS systems Special notes: * xanthous has been disabled in CI because of issues with the Haskell overlay * //third_party/nix has been disabled because of other unclear dependency issues Both of these will be tackled in a followup CL. Change-Id: I2f9c60a4d275fdb5209264be0addfd7e06c53118 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2910 Reviewed-by: glittershark <grfn@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2021-04-10 18:05:16 +02:00
self: super: # overlay parameters for the nixpkgs overlay
Add dungeon level generation Add a dungeon level generator, which: 1. generates an infinite sequence of rectangular rooms within the dimensions of the level 2. removes any duplicates from that sequence 3. Generates a graph from the delaunay triangulation of the centerpoints of those rooms 4. Generates the minimum-spanning-tree of that delaunay triangulation, with weights given by line length in points 5. Adds back a subset (default 10-15%) of edges from the delaunay triangulation to the graph 6. Uses the resulting graph to draw corridors between the rooms, using a random point on the near edge of each room to pick the points of the corridors
2019-12-30 17:31:56 +01:00
refactor: Move nixpkgs attribute to `third_party.nixpkgs` Please read b/108 to make sense of this. This gets rid of the explicit list of exposed packages from nixpkgs, and instead makes the entire package set available at `third_party.nixpkgs`. To accommodate this, a LOT of things have to be very slightly shuffled around. Some of this was done in already submitted CLs, but this change is unfortunately still quite noisy. Pay extra attention to: * overlay-like functionality that was partially moved to actual overlays (partially as in, the minimum required to get a green build) * modified uses of the package set path, esp. in NixOS systems Special notes: * xanthous has been disabled in CI because of issues with the Haskell overlay * //third_party/nix has been disabled because of other unclear dependency issues Both of these will be tackled in a followup CL. Change-Id: I2f9c60a4d275fdb5209264be0addfd7e06c53118 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2910 Reviewed-by: glittershark <grfn@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2021-04-10 18:05:16 +02:00
let
overrides = hsSelf: hsSuper: with super.haskell.lib; rec {
generic-arbitrary = appendPatch hsSuper.generic-arbitrary
[ ./patches/generic-arbitrary-export-garbitrary.patch ];
};
in {
haskellPackages = super.haskellPackages.override {
inherit overrides;
};
Add DerivingVia newtype for generic arbitrary Add a newtype, GenericArbitrary, which can be used with -XDerivingVia to derive Arbitrary instances for types with Generic, via patching generic-arbitrary to expose the underlying typeclass it uses for surfacing the type information.
2019-11-30 04:57:58 +01:00
}
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