From 8f5e85b203560fa7866ae2e5c011485a24265c9e Mon Sep 17 00:00:00 2001
From: Robert Vollmert <rob@vllmrt.net>
Date: Tue, 17 May 2022 16:42:14 +0200
Subject: [PATCH] flake copied over from puzzld

---
 flake.lock | 42 ++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 43 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 85 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..ee33796
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1649676176,
+        "narHash": "sha256-OWKJratjt2RW151VUlJPRALb7OU2S5s+f0vLj4o1bHM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "a4b154ebbdc88c8498a5c7b01589addc9e9cb678",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1650974676,
+        "narHash": "sha256-s1l10UXYd6EIBWm7s3h7oeRFGssv+LOtYqeDDW0gz4Q=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "5f3eeb9c5282b8c0f3cfe3397b8dc500dfc420b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..b5c18db
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,43 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        t = pkgs.lib.trivial;
+        hl = pkgs.haskell.lib;
+
+        name = "puzzld";
+
+        project = devTools:
+          let addBuildTools = (t.flip hl.addBuildTools) devTools;
+          in pkgs.haskellPackages.developPackage {
+            root = pkgs.lib.sourceFilesBySuffices ./. [ ".cabal" ".hs" "LICENSE" ];
+            name = name;
+            returnShellEnv = !(devTools == [ ]);
+
+            modifier = (t.flip t.pipe) [
+              addBuildTools
+              hl.dontHaddock
+              hl.enableStaticLibraries
+              hl.justStaticExecutables
+              hl.disableLibraryProfiling
+              hl.disableExecutableProfiling
+            ];
+          };
+
+      in {
+        packages.puzzle-draw = project [ ];
+
+        defaultPackage = self.packages.${system}.puzzle-draw;
+
+        devShell = project (with pkgs.haskellPackages; [
+          pkgs.haskellPackages.cabal-fmt
+          pkgs.haskellPackages.cabal-install
+        ]);
+      });
+}