From 350b811a0225c274e330525a5e338667b61e6b4a Mon Sep 17 00:00:00 2001
From: euxane
Date: Sun, 24 Nov 2024 17:17:02 +0100
Subject: nix: add flake

---
 flake.lock | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 56 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 133 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..10ffe4d
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,77 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flaky-utils": {
+      "locked": {
+        "lastModified": 1728169353,
+        "narHash": "sha256-04rRY81iGrQb3lysKTmrBi5O6/0Tej23xplIk9Pp6Dc=",
+        "ref": "refs/heads/master",
+        "rev": "3e337302f9fa93a3496aafd7f57223cbd794de28",
+        "revCount": 43,
+        "type": "git",
+        "url": "https://cgit.euxane.net/flaky-utils"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://cgit.euxane.net/flaky-utils"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1728158116,
+        "narHash": "sha256-IN2luH/KYuChBbZLZvI3gI2Lz0fFAQrfAS6hfTOPDu0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "7b2fbd28644b04fcd2c8020c38dd3b794c20fdd2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "7b2fbd2",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "flaky-utils": "flaky-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..bbfd8f0
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,56 @@
+# Author: Euxane TRAN-GIRARD
+# Licence: EUPL-1.2
+
+{
+  inputs = {
+    # For Nim 2.2.0 (necessary for generics, also better C compiler on master)
+    # https://github.com/NixOS/nixpkgs/pull/346578
+    nixpkgs.url = "github:NixOS/nixpkgs/7b2fbd2";
+    flake-utils.url = "github:numtide/flake-utils";
+    flaky-utils.url = "git+https://cgit.euxane.net/flaky-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils, flaky-utils }:
+  flake-utils.lib.eachDefaultSystem (system: let
+    pkgs = import nixpkgs { inherit system; };
+  in {
+    devShell = flaky-utils.lib.mkDevShell {
+      inherit pkgs;
+
+      tools = with pkgs; [
+        nim
+        nrpl
+        nim-atlas
+        nimble
+        nimlangserver
+        nim_lk
+      ];
+
+      prePrompt = ''
+        echo "<C-d> to exit this development shell."
+      '';
+
+      shell = null;
+    };
+
+    packages.default = pkgs.stdenv.mkDerivation (final: {
+      pname = "tickwatch";
+      meta.mainProgram = final.pname;
+      version = "SNAPSHOT";
+      src = ./.;
+      buildInputs = [ pkgs.nim ];
+      buildPhase = ''
+        export VERSION=${final.version}
+        nim c --nimcache:. -d:release main.nim
+      '';
+      doCheck = true;
+      checkPhase = ''
+        nim r --nimcache:. -d:test main.nim
+      '';
+      installPhase = ''
+        mkdir -p $out/bin
+        mv main $out/bin/${final.meta.mainProgram}
+      '';
+    });
+  });
+}
-- 
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