From 2cec871d533ce3b92aedb2abfca99262c1efbe5d Mon Sep 17 00:00:00 2001
From: Ivan Petkov <ivanppetkov@gmail.com>
Date: Sun, 26 Dec 2021 11:47:16 -0800
Subject: [PATCH] Initial commit

---
 .envrc                 |  3 +++
 .gitignore             |  1 +
 checks/default.nix     |  5 +++++
 checks/nixpkgs-fmt.nix | 16 ++++++++++++++++
 flake.lock             | 43 ++++++++++++++++++++++++++++++++++++++++++
 flake.nix              | 31 ++++++++++++++++++++++++++++++
 lib/default.nix        |  3 +++
 7 files changed, 102 insertions(+)
 create mode 100644 .envrc
 create mode 100644 .gitignore
 create mode 100644 checks/default.nix
 create mode 100644 checks/nixpkgs-fmt.nix
 create mode 100644 flake.lock
 create mode 100644 flake.nix
 create mode 100644 lib/default.nix

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..0d21d96
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,3 @@
+watch_file flake.nix flake.lock *.nix **/*.nix
+
+eval "$(nix print-dev-env)"
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d6944e3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/result*
diff --git a/checks/default.nix b/checks/default.nix
new file mode 100644
index 0000000..043112b
--- /dev/null
+++ b/checks/default.nix
@@ -0,0 +1,5 @@
+{ pkgs }:
+
+{
+  nixpkgs-fmt = pkgs.callPackage ./nixpkgs-fmt.nix { };
+}
diff --git a/checks/nixpkgs-fmt.nix b/checks/nixpkgs-fmt.nix
new file mode 100644
index 0000000..a50a3f8
--- /dev/null
+++ b/checks/nixpkgs-fmt.nix
@@ -0,0 +1,16 @@
+{ lib
+, nixpkgs-fmt
+, runCommand
+}:
+
+let
+  cleaned = lib.cleanSource ./..;
+  nixOnly = lib.sourceFilesBySuffices cleaned [ ".nix" ];
+in
+runCommand "nixpkgs-fmt"
+{
+  nativeBuildInputs = [ nixpkgs-fmt ];
+} ''
+  nixpkgs-fmt --check ${nixOnly}
+  touch $out # it worked!
+''
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..45d8cae
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,43 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1640269308,
+        "narHash": "sha256-vBVwv3+kPrxbNyfo48cB5cc5/4tq5zlJGas/qw8XNBE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0c408a087b4751c887e463e3848512c12017be25",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1638122382,
+        "narHash": "sha256-sQzZzAbvKEqN9s0bzWuYmRaA03v40gaJ4+iL1LXjaeI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "74f7e4319258e287b0f9cb95426c9853b282730b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..e0cc1ed
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,31 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    utils = {
+      url = "github:numtide/flake-utils";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = inputs@{ self, nixpkgs, utils, ... }: utils.lib.eachDefaultSystem (system:
+    let
+      pkgs = import nixpkgs {
+        inherit system;
+      };
+
+      lib = import ./lib {
+        inherit pkgs;
+      };
+
+      checks = import ./checks {
+        inherit pkgs;
+      };
+    in
+    {
+      inherit checks lib;
+
+      devShell = pkgs.mkShell {
+        inputsFrom = builtins.attrValues checks;
+      };
+    });
+}
diff --git a/lib/default.nix b/lib/default.nix
new file mode 100644
index 0000000..1638b53
--- /dev/null
+++ b/lib/default.nix
@@ -0,0 +1,3 @@
+{ pkgs }:
+
+{ }