Forgot nix directory :/
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let
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sources = import ./sources.nix;
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haskell-nix = import sources."haskell.nix";
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nixpkgs = import sources.nixpkgs;
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pkgs = (nixpkgs haskell-nix).pkgs;
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in {
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inherit nixpkgs haskell-nix pkgs;
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niv = (import sources.niv {}).niv;
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nix-tools = pkgs.haskell-nix.nix-tools;
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}
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{
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"haskell.nix": {
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"branch": "master",
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"description": "Alternative Haskell Infrastructure for Nixpkgs",
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"homepage": "https://input-output-hk.github.io/haskell.nix",
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"owner": "input-output-hk",
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"repo": "haskell.nix",
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"rev": "ebb62a66d53484d7dbcf63eeab1c1afa120cfd93",
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"sha256": "1a8k6v5z5dcnql1wgai1ivv155za7nalqzbqkawjnqj7ygj4piqk",
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"type": "tarball",
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"url": "https://github.com/input-output-hk/haskell.nix/archive/ebb62a66d53484d7dbcf63eeab1c1afa120cfd93.tar.gz",
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"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
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},
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"niv": {
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"branch": "master",
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"description": "Easy dependency management for Nix projects",
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"homepage": "https://github.com/nmattia/niv",
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"owner": "nmattia",
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"repo": "niv",
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"rev": "6f03879b8a91fb0c33c7186da347b914deee3efc",
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"sha256": "04pl8b4gnbfakapjskm4030qlklwzjk0x45jn9gcnjpdl7s8ri33",
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"type": "tarball",
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"url": "https://github.com/nmattia/niv/archive/6f03879b8a91fb0c33c7186da347b914deee3efc.tar.gz",
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"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
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},
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"nixpkgs": {
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"branch": "nixos-19.03",
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"description": "A read-only mirror of NixOS/nixpkgs tracking the released channels. Send issues and PRs to",
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"homepage": "https://github.com/input-output-hk/nixpkgs",
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"owner": "NixOS",
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"repo": "nixpkgs-channels",
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"rev": "31aa5316ca232a53667790a99e8b1e76252e065c",
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"sha256": "0g0r473rdrh5vsdvr45nmfs6ibp0pqyzbw9f0iv6r0jkg6jjiykr",
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"type": "tarball",
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"url": "https://github.com/input-output-hk/nixpkgs/archive/31aa5316ca232a53667790a99e8b1e76252e065c.tar.gz",
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"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
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}
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}
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# This file has been generated by Niv.
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# A record, from name to path, of the third-party packages
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with rec
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{
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pkgs =
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if hasNixpkgsPath
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then
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if hasThisAsNixpkgsPath
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then import (builtins_fetchTarball { inherit (sources_nixpkgs) url sha256; }) {}
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else import <nixpkgs> {}
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else
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import (builtins_fetchTarball { inherit (sources_nixpkgs) url sha256; }) {};
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sources_nixpkgs =
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if builtins.hasAttr "nixpkgs" sources
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then sources.nixpkgs
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else abort
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''
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Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or
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add a package called "nixpkgs" to your sources.json.
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'';
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# fetchTarball version that is compatible between all the versions of Nix
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builtins_fetchTarball =
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{ url, sha256 }@attrs:
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let
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inherit (builtins) lessThan nixVersion fetchTarball;
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in
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if lessThan nixVersion "1.12" then
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fetchTarball { inherit url; }
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else
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fetchTarball attrs;
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# fetchurl version that is compatible between all the versions of Nix
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builtins_fetchurl =
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{ url, sha256 }@attrs:
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let
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inherit (builtins) lessThan nixVersion fetchurl;
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in
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if lessThan nixVersion "1.12" then
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fetchurl { inherit url; }
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else
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fetchurl attrs;
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# A wrapper around pkgs.fetchzip that has inspectable arguments,
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# annoyingly this means we have to specify them
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fetchzip = { url, sha256 }@attrs: pkgs.fetchzip attrs;
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# A wrapper around pkgs.fetchurl that has inspectable arguments,
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# annoyingly this means we have to specify them
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fetchurl = { url, sha256 }@attrs: pkgs.fetchurl attrs;
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hasNixpkgsPath = (builtins.tryEval <nixpkgs>).success;
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hasThisAsNixpkgsPath =
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(builtins.tryEval <nixpkgs>).success && <nixpkgs> == ./.;
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sources = builtins.fromJSON (builtins.readFile ./sources.json);
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mapAttrs = builtins.mapAttrs or
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(f: set: with builtins;
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listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set)));
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# borrowed from nixpkgs
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functionArgs = f: f.__functionArgs or (builtins.functionArgs f);
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callFunctionWith = autoArgs: f: args:
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let auto = builtins.intersectAttrs (functionArgs f) autoArgs;
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in f (auto // args);
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getFetcher = spec:
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let fetcherName =
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if builtins.hasAttr "type" spec
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then builtins.getAttr "type" spec
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else "builtin-tarball";
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in builtins.getAttr fetcherName {
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"tarball" = fetchzip;
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"builtin-tarball" = builtins_fetchTarball;
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"file" = fetchurl;
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"builtin-url" = builtins_fetchurl;
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};
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};
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# NOTE: spec must _not_ have an "outPath" attribute
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mapAttrs (_: spec:
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if builtins.hasAttr "outPath" spec
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then abort
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"The values in sources.json should not have an 'outPath' attribute"
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else
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if builtins.hasAttr "url" spec && builtins.hasAttr "sha256" spec
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then
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spec //
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{ outPath = callFunctionWith spec (getFetcher spec) { }; }
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else spec
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) sources
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