Add nix devshell and envrc

.envrc

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+# the shebang is ignored, but nice for editors
+
+if type -P lorri &>/dev/null; then
+  eval "$(lorri direnv)"
+else
+  echo 'while direnv evaluated .envrc, could not find the command "lorri" [https://github.com/nix-community/lorri]'
+  use nix
+fi

flake.lock

@@ -0,0 +1,59 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1682779028,
+        "narHash": "sha256-tFfSbwSLobpHRznAa35KEU3R+fsFWTlmpFhTUdXq8RE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "54abe781c482f51ff4ff534ebaba77db5bd97442",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-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
+}

flake.nix

@@ -0,0 +1,14 @@
+{
+  description = "Gitea: Git with a cup of tea";
+
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let pkgs = nixpkgs.legacyPackages.${system}; in
+        {
+          devShells.default = import ./shell.nix { inherit pkgs; };
+        }
+      );
+}

shell.nix

@@ -0,0 +1,22 @@
+{ pkgs ? import <nixpkgs> { } }:
+let
+  my-python-packages = ps: with ps; [
+    (
+      buildPythonPackage rec {
+        pname = "catppuccin";
+        version = "1.2.0";
+        src = fetchPypi {
+          inherit pname version;
+          sha256 = "sha256-hUNt6RHntQzamDX1SdhBzSj3pR/xxb6lpwzvYnqwOIo=";
+        };
+        doCheck = false;
+        propagatedBuildInputs = [ ];
+      }
+    )
+  ];
+in
+pkgs.mkShell {
+  buildInputs = [
+    (pkgs.python311.withPackages my-python-packages)
+  ];
+}