Initial Nix flake

.gitignore

@@ -1,3 +1,5 @@
+/result
+/result-*
 /bin
 /data
 /config.toml

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"
+      }
+    },
+    "nix-filter": {
+      "locked": {
+        "lastModified": 1757882181,
+        "narHash": "sha256-+cCxYIh2UNalTz364p+QYmWHs0P+6wDhiWR4jDIKQIU=",
+        "owner": "numtide",
+        "repo": "nix-filter",
+        "rev": "59c44d1909c72441144b93cf0f054be7fe764de5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "nix-filter",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1758029226,
+        "narHash": "sha256-TjqVmbpoCqWywY9xIZLTf6ANFvDCXdctCjoYuYPYdMI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "08b8f92ac6354983f5382124fef6006cade4a1c1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nix-filter": "nix-filter",
+        "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
+}

flake.nix

@@ -0,0 +1,55 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    nix-filter.url = "github:numtide/nix-filter";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      nix-filter,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        git-pages = pkgs.buildGo125Module {
+          pname = "git-pages";
+          version = "1.0.0";
+
+          src = nix-filter {
+            root = self;
+
+            include = [
+              "go.mod"
+              "go.sum"
+
+              (nix-filter.lib.inDirectory "src")
+            ];
+          };
+
+          vendorHash = "sha256-WVnxNtCCk6T+EsT6Wvd+yR2mxU03SNnSwpeYlYLOCGU=";
+
+          fixupPhase = ''
+            # Apparently `go install` doesn't support renaming the binary, so country girls make do.
+            mv $out/bin/{src,git-pages}
+          '';
+        };
+      in
+      {
+        formatter = pkgs.nixfmt-tree;
+
+        devShells.default = pkgs.mkShell {
+          inputsFrom = [
+            git-pages
+          ];
+        };
+
+        packages.default = git-pages;
+      }
+    );
+}