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Add Nix flake support #76

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Add Nix flake support #76

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1 change: 1 addition & 0 deletions .envrc
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
use flake
4 changes: 4 additions & 0 deletions .gitignore
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Expand Up @@ -21,3 +21,7 @@ core-tests/full-core-docs.md
.psc-ide-port
.vscode/
result

/.direnv/

!.gitignore
33 changes: 11 additions & 22 deletions default.nix
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Original file line number Diff line number Diff line change
@@ -1,23 +1,12 @@
let
haskellNix = import (builtins.fetchTarball https://github.com/input-output-hk/haskell.nix/archive/master.tar.gz) {};
nixpkgsSrc = haskellNix.sources.nixpkgs-1903; # has hsc2hs-0.68.4

hsc2hsOverlay = self: super: {
buildPackages = super.buildPackages // {
hsc2hs = super.haskellPackages.hsc2hs;
};
};

nixpkgsArgs = haskellNix.nixpkgsArgs // {
overlays = haskellNix.nixpkgsArgs.overlays ++ [ hsc2hsOverlay ];
};
in
{ pkgs ? import nixpkgsSrc nixpkgsArgs
}:

pkgs.haskell-nix.stackProject {
src = pkgs.haskell-nix.haskellLib.cleanGit {
name = "purescript-native";
(
import (
let
lock = builtins.fromJSON (builtins.readFile ./flake.lock);
in fetchTarball {
url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
sha256 = lock.nodes.flake-compat.locked.narHash;
}
) {
src = ./.;
};
}
}
).defaultNix
345 changes: 345 additions & 0 deletions flake.lock
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