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Merge pull request #39 from deemp/develop
Add flake, set up nix and cabal builds, cache nix store
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| use flake | ||
| eval "$shellHook" |
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@@ -24,3 +24,5 @@ cabal.project.local~ | |
| .HTF/ | ||
| .ghc.environment.* | ||
| docs/site | ||
| result | ||
| .direnv | ||
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| packages: rzk try-rzk |
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| { | ||
| inputs = { | ||
| flake-utils.url = "github:numtide/flake-utils"; | ||
| nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; | ||
| miso = { | ||
| url = "github:dmjio/miso/5c66ed20818ce4aff81aaefbd5789007717923eb"; | ||
| flake = false; | ||
| }; | ||
| }; | ||
| outputs = inputs: inputs.flake-utils.lib.eachDefaultSystem (system: | ||
| let | ||
| pkgs = inputs.nixpkgs.legacyPackages.${system}; | ||
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| rzk = "rzk"; | ||
| try-rzk = "try-rzk"; | ||
| ghcVersion = "ghc927"; | ||
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| # select a Haskell package set for a specified GHC version | ||
| hpkgs = pkgs.haskell.packages.${ghcVersion}; | ||
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| inherit (pkgs.haskell.lib) overrideCabal; | ||
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| # Provide overrides | ||
| # https://nixos.wiki/wiki/Haskell#Overrides | ||
| # An override should include a local package into the Haskell package set | ||
| override = { | ||
| overrides = self: super: { | ||
| ${rzk} = overrideCabal (self.callCabal2nix rzk ./${rzk} { }) (x: { | ||
| librarySystemDepends = [ pkgs.alex pkgs.happy ] ++ (x.librarySystemDepends or [ ]); | ||
| }); | ||
| ${try-rzk} = overrideCabal (self.callCabal2nix try-rzk ./${try-rzk} { }) (x: { | ||
| executableSystemDepends = [ self.ghcjs-prim self.ghcjs-base ] ++ (x.executableSystemDepends or [ ]); | ||
| }); | ||
| }; | ||
| }; | ||
| hpkgs_ = hpkgs.override override; | ||
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| # Get all dependencies of local Haskell packages excluding these local packages | ||
| # This approach is useful for cases when a local package A depends on a local package B | ||
| # In this case, package B won't be built by Nix as a dependency of A | ||
| getHaskellPackagesDeps = someHaskellPackages: let l = pkgs.lib.lists; in (l.subtractLists someHaskellPackages (l.concatLists (map (package: l.concatLists (__attrValues package.getCabalDeps)) someHaskellPackages))); | ||
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| # build a GHC with the dependencies of local Haskell packages | ||
| ghcForPackages = localHaskellPackageNames: hpkgs_.ghcWithPackages (ps: (getHaskellPackagesDeps (map (x: ps.${x}) localHaskellPackageNames) ++ [ ps.haskell-language-server ])); # Why provide HLS here - https://github.com/NixOS/nixpkgs/issues/225895#issuecomment-1509991742 | ||
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| # GHC with dependencies of local Haskell packages | ||
| ghc = ghcForPackages [ rzk try-rzk ]; | ||
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| # tools that should be available in a development shell | ||
| tools = [ | ||
| pkgs.cabal-install | ||
| pkgs.hpack | ||
| # haskell-language-server is already available as a GHC package | ||
| ghc | ||
| ]; | ||
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| misoNix = (import "${inputs.miso.outPath}/default.nix" { inherit system; }); | ||
| pkgsMiso = misoNix.pkgs; | ||
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| # TODO add jsaddle version of the app | ||
| # https://github.com/dmjio/miso/tree/master/sample-app-jsaddle | ||
| # try-rzk-dev = | ||
| # let | ||
| # pkgsDev = pkgsMiso.haskell.packages.ghc865; | ||
| # rzk = pkgsDev.callPackage rzk/rzk.nix { inherit (pkgs) hpack; }; | ||
| # in | ||
| # pkgsDev.callCabal2nix try-rzk ./${try-rzk} { miso = misoNix.miso-jsaddle; rzk = rzk; }; | ||
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| try-rzk-exe = | ||
| let | ||
| pkgsRelease = pkgsMiso.haskell.packages.ghcjs; | ||
| rzk = pkgsRelease.callPackage rzk/rzk.nix { inherit (pkgs) hpack; }; | ||
| in | ||
| pkgsRelease.callCabal2nix try-rzk ./${try-rzk} { rzk = rzk; }; | ||
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| packages = { | ||
| rzk = hpkgs_.${rzk}; | ||
| try-rzk = try-rzk-exe; | ||
| }; | ||
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| devShells = { | ||
| default = pkgs.mkShell { | ||
| shellHook = "export LANG=C.utf8"; | ||
| buildInputs = tools; | ||
| }; | ||
| ghcjs = try-rzk-exe.env.overrideAttrs (old: { | ||
| buildInputs = old.buildInputs ++ [ pkgs.cabal-install pkgs.hpack ]; | ||
| }); | ||
| }; | ||
| in | ||
| { | ||
| inherit packages devShells; | ||
| }); | ||
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| nixConfig = { | ||
| extra-substituters = [ | ||
| "https://miso-haskell.cachix.org" | ||
| "https://nix-community.cachix.org" | ||
| "https://cache.iog.io" | ||
| ]; | ||
| extra-trusted-public-keys = [ | ||
| "miso-haskell.cachix.org-1:6N2DooyFlZOHUfJtAx1Q09H0P5XXYzoxxQYiwn6W1e8=" | ||
| "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=" | ||
| "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=" | ||
| ]; | ||
| }; | ||
| } |
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