init

.envrc

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+use flake

.gitignore

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+/.pre-commit-config.yaml
+/result*

LICENSE

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+The MIT License
+
+Copyright 2021 Simon Bruder
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
+OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

flake.lock

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+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1620759905,
+        "narHash": "sha256-WiyWawrgmyN0EdmiHyG2V+fqReiVi8bM9cRdMaKQOFg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b543720b25df6ffdfcf9227afafc5b8c1fabfae8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nix-pre-commit-hooks": {
+      "inputs": {
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1620897287,
+        "narHash": "sha256-UU0SysjA5h1NMCQhA0lKaeqy9gCBqpq/5dW1BWLbIXo=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "40a51af82c1181b9dea3526c4124eee077e30213",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "master",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1620871477,
+        "narHash": "sha256-8k9Yb/53HNjHP4poIxD1A0d5Uhv9Ob0YHf991J+iL5c=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "9c0ca46a6d23883d883fedb9bfd51f286b0a0789",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nix-pre-commit-hooks": "nix-pre-commit-hooks",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+
+    nix-pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix/master";
+    nix-pre-commit-hooks.inputs.flake-utils.follows = "flake-utils";
+    nix-pre-commit-hooks.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, flake-utils, nixpkgs, nix-pre-commit-hooks }: {
+    overlay = final: prev:
+      let
+        inherit (prev) callPackage;
+        callPythonPackage = prev.python3Packages.callPackage;
+      in
+      {
+      };
+  } // flake-utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = import nixpkgs { inherit system; overlays = [ self.overlay ]; };
+      lib = pkgs.lib;
+    in
+    rec {
+      checks = {
+        pre-commit-check = nix-pre-commit-hooks.lib.${system}.run {
+          src = ./.;
+          hooks = {
+            nixpkgs-fmt.enable = true;
+          };
+        };
+      };
+
+      devShell = pkgs.mkShell {
+        shellHook = checks.pre-commit-check.shellHook;
+      };
+
+      packages = lib.filterAttrs
+        (n: v: lib.elem system v.meta.platforms)
+        {
+          inherit (pkgs);
+        };
+
+      # My hydra only has x86_64-linux builders
+      hydraJobs =
+        if lib.elem system [ "x86_64-linux" ]
+        then packages
+        else { };
+    });
+}