fix building with nix

default.nix

@@ -1,7 +1,12 @@
-{ stdenv, hugo }:
+{ stdenv, hugo, hugo-theme-anubis }:
 stdenv.mkDerivation rec {
   src = ./.;
   nativeBuildInputs = [ hugo ];
+  # avoid git submodules using flakes :-)
+  patchPhase = ''
+    mkdir -p themes/
+    ln -s ${hugo-theme-anubis} themes/anubis
+  '';
   buildPhase = ''
     hugo
   '';

flake.lock

@@ -0,0 +1,41 @@
+{
+  "nodes": {
+    "hugo-theme-anubis": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1626675855,
+        "narHash": "sha256-Vj77NcXxPOcatDbLvW+d90hsUpYH+2eyhpyXv82ZTts=",
+        "owner": "mitrichius",
+        "repo": "hugo-theme-anubis",
+        "rev": "5dab60e04a37896c09a32137aefe821c63b3af04",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mitrichius",
+        "repo": "hugo-theme-anubis",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1629226339,
+        "narHash": "sha256-szvgmQcUJM3Kv/wNyIn+wtMrrvsks0bk9JOqI2Ij8Ao=",
+        "path": "/nix/store/vy5l0dvdwwhyc988z185f9i7rqbc1n8y-source",
+        "rev": "2435ea48c3b295d9cd490535730bb13ab8cfd8a5",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "hugo-theme-anubis": "hugo-theme-anubis",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,15 @@
+{
+  description = "dadada's homepage";
+
+  inputs = {
+    hugo-theme-anubis = {
+      url = github:mitrichius/hugo-theme-anubis;
+      flake = false;
+    };
+  };
+
+  outputs = { self, hugo-theme-anubis, nixpkgs }: {
+    packages.x86_64-linux.homePage = nixpkgs.legacyPackages.x86_64-linux.callPackage ./default.nix { inherit hugo-theme-anubis; };
+    defaultPackage.x86_64-linux = self.packages.x86_64-linux.homePage;
+  };
+}