flake

.envrc

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+use flake

.gitignore

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+result*
+.direnv

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1700790289,
+        "narHash": "sha256-9i4C64NALHmLzSXQ01a5sESslCp0H/Eyxg8HtO8KkNc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3b8ca944ce5c089daf2bd739d0ae8e0849e88197",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "release-23.05",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  inputs = {
+    nixpkgs.url = "nixpkgs/release-23.05";
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    utils,
+  }:
+    utils.lib.eachDefaultSystem (system: let
+      overlays = [];
+      pkgs = import nixpkgs {
+        inherit system overlays;
+      };
+      inherit (pkgs.stdenv) mkDerivation;
+    in rec {
+      packages = rec {
+        images = mkDerivation {
+          name = "tf-map-images";
+          version = "0.1.0";
+
+          src = ./images;
+
+          nativeBuildInputs = with pkgs; [xcftools imagemagick];
+          buildPhase = ''
+            make
+          '';
+          installPhase = ''
+            cp -r dist $out
+          '';
+        };
+        maps = mkDerivation rec {
+          name = "tf-maps";
+          version = "0.1.0";
+
+          src = ./data;
+
+          buildPhase = "";
+          installPhase = ''
+            mkdir $out
+            cp boundaries.json $out/boundaries.json
+            cp -r ${images} $out/images
+          '';
+        };
+        default = maps;
+      };
+      devShells.default = pkgs.mkShell {
+        nativeBuildInputs = with pkgs; [
+          vips
+          xcftools
+        ];
+      };
+    });
+}