diff --git a/.envrc b/.envrc
index 412cbef..82b2b9e 100644
--- a/.envrc
+++ b/.envrc
@@ -1,17 +1,9 @@
 #!/usr/bin/env bash
-# ^ make editor happy
+# the shebang is ignored, but nice for editors
 
-#
-# Use https://direnv.net/ to automatically load the dev shell.
-#
-
-if ! has nix_direnv_version || ! nix_direnv_version 3.0.4; then
-  source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/3.0.4/direnvrc" "sha256-DzlYZ33mWF/Gs8DDeyjr8mnVmQGx7ASYqA5WlxwvBG4="
-fi  
-
-watch_file nix/**
-watch_file -- **/*.nix
-# Adding files to git includes them in a flake
-# But it is also a bit much reloading.
-# watch_file .git/index .git/HEAD
-use flake . --show-trace
+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
diff --git a/flake.lock b/flake.lock
deleted file mode 100644
index 24c18ab..0000000
--- a/flake.lock
+++ /dev/null
@@ -1,937 +0,0 @@
-{
-  "nodes": {
-    "cachix": {
-      "inputs": {
-        "devenv": [
-          "crate2nix"
-        ],
-        "flake-compat": [
-          "crate2nix"
-        ],
-        "nixpkgs": "nixpkgs",
-        "pre-commit-hooks": [
-          "crate2nix"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709700175,
-        "narHash": "sha256-A0/6ZjLmT9qdYzKHmevnEIC7G+GiZ4UCr8v0poRPzds=",
-        "owner": "cachix",
-        "repo": "cachix",
-        "rev": "be97b37989f11b724197b5f4c7ffd78f12c8c4bf",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "ref": "latest",
-        "repo": "cachix",
-        "type": "github"
-      }
-    },
-    "cachix_2": {
-      "inputs": {
-        "devenv": [
-          "crate2nix",
-          "crate2nix_stable"
-        ],
-        "flake-compat": [
-          "crate2nix",
-          "crate2nix_stable"
-        ],
-        "nixpkgs": "nixpkgs_2",
-        "pre-commit-hooks": [
-          "crate2nix",
-          "crate2nix_stable"
-        ]
-      },
-      "locked": {
-        "lastModified": 1716549461,
-        "narHash": "sha256-lHy5kgx6J8uD+16SO47dPrbob98sh+W1tf4ceSqPVK4=",
-        "owner": "cachix",
-        "repo": "cachix",
-        "rev": "e2bb269fb8c0828d5d4d2d7b8d09ea85abcacbd4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "ref": "latest",
-        "repo": "cachix",
-        "type": "github"
-      }
-    },
-    "cachix_3": {
-      "inputs": {
-        "devenv": [
-          "crate2nix",
-          "crate2nix_stable",
-          "crate2nix_stable"
-        ],
-        "flake-compat": [
-          "crate2nix",
-          "crate2nix_stable",
-          "crate2nix_stable"
-        ],
-        "nixpkgs": "nixpkgs_3",
-        "pre-commit-hooks": [
-          "crate2nix",
-          "crate2nix_stable",
-          "crate2nix_stable"
-        ]
-      },
-      "locked": {
-        "lastModified": 1716549461,
-        "narHash": "sha256-lHy5kgx6J8uD+16SO47dPrbob98sh+W1tf4ceSqPVK4=",
-        "owner": "cachix",
-        "repo": "cachix",
-        "rev": "e2bb269fb8c0828d5d4d2d7b8d09ea85abcacbd4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "ref": "latest",
-        "repo": "cachix",
-        "type": "github"
-      }
-    },
-    "crate2nix": {
-      "inputs": {
-        "cachix": "cachix",
-        "crate2nix_stable": "crate2nix_stable",
-        "devshell": "devshell_3",
-        "flake-compat": "flake-compat_3",
-        "flake-parts": "flake-parts_3",
-        "nix-test-runner": "nix-test-runner_3",
-        "nixpkgs": "nixpkgs_6",
-        "pre-commit-hooks": "pre-commit-hooks_3"
-      },
-      "locked": {
-        "lastModified": 1734429562,
-        "narHash": "sha256-V2XNs3Ir8WXNHdocfzkR/fu0FzkZ9uTDJkVecxJrGmQ=",
-        "owner": "nix-community",
-        "repo": "crate2nix",
-        "rev": "8537c2d7cb623679aaeff62c4c4c43a91566ab09",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "crate2nix",
-        "type": "github"
-      }
-    },
-    "crate2nix_stable": {
-      "inputs": {
-        "cachix": "cachix_2",
-        "crate2nix_stable": "crate2nix_stable_2",
-        "devshell": "devshell_2",
-        "flake-compat": "flake-compat_2",
-        "flake-parts": "flake-parts_2",
-        "nix-test-runner": "nix-test-runner_2",
-        "nixpkgs": "nixpkgs_5",
-        "pre-commit-hooks": "pre-commit-hooks_2"
-      },
-      "locked": {
-        "lastModified": 1719760004,
-        "narHash": "sha256-esWhRnt7FhiYq0CcIxw9pvH+ybOQmWBfHYMtleaMhBE=",
-        "owner": "nix-community",
-        "repo": "crate2nix",
-        "rev": "1dee214bb20855fa3e1e7bb98d28922ddaff8c57",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "ref": "0.14.1",
-        "repo": "crate2nix",
-        "type": "github"
-      }
-    },
-    "crate2nix_stable_2": {
-      "inputs": {
-        "cachix": "cachix_3",
-        "crate2nix_stable": "crate2nix_stable_3",
-        "devshell": "devshell",
-        "flake-compat": "flake-compat",
-        "flake-parts": "flake-parts",
-        "nix-test-runner": "nix-test-runner",
-        "nixpkgs": "nixpkgs_4",
-        "pre-commit-hooks": "pre-commit-hooks"
-      },
-      "locked": {
-        "lastModified": 1712821484,
-        "narHash": "sha256-rGT3CW64cJS9nlnWPFWSc1iEa3dNZecVVuPVGzcsHe8=",
-        "owner": "nix-community",
-        "repo": "crate2nix",
-        "rev": "42883afcad3823fa5811e967fb7bff54bc3c9d6d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "ref": "0.14.0",
-        "repo": "crate2nix",
-        "type": "github"
-      }
-    },
-    "crate2nix_stable_3": {
-      "inputs": {
-        "flake-utils": "flake-utils"
-      },
-      "locked": {
-        "lastModified": 1702842982,
-        "narHash": "sha256-A9AowkHIjsy1a4LuiPiVP88FMxyCWK41flZEZOUuwQM=",
-        "owner": "nix-community",
-        "repo": "crate2nix",
-        "rev": "75ac2973affa6b9b4f661a7b592cba6e4f51d426",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "ref": "0.12.0",
-        "repo": "crate2nix",
-        "type": "github"
-      }
-    },
-    "devshell": {
-      "inputs": {
-        "flake-utils": "flake-utils_2",
-        "nixpkgs": [
-          "crate2nix",
-          "crate2nix_stable",
-          "crate2nix_stable",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1717408969,
-        "narHash": "sha256-Q0OEFqe35fZbbRPPRdrjTUUChKVhhWXz3T9ZSKmaoVY=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "1ebbe68d57457c8cae98145410b164b5477761f4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
-    "devshell_2": {
-      "inputs": {
-        "flake-utils": "flake-utils_3",
-        "nixpkgs": [
-          "crate2nix",
-          "crate2nix_stable",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1717408969,
-        "narHash": "sha256-Q0OEFqe35fZbbRPPRdrjTUUChKVhhWXz3T9ZSKmaoVY=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "1ebbe68d57457c8cae98145410b164b5477761f4",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
-    "devshell_3": {
-      "inputs": {
-        "flake-utils": "flake-utils_4",
-        "nixpkgs": [
-          "crate2nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711099426,
-        "narHash": "sha256-HzpgM/wc3aqpnHJJ2oDqPBkNsqWbW0WfWUO8lKu8nGk=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "2d45b54ca4a183f2fdcf4b19c895b64fbf620ee8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
-    "devshell_4": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1735644329,
-        "narHash": "sha256-tO3HrHriyLvipc4xr+Ewtdlo7wM1OjXNjlWRgmM7peY=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "f7795ede5b02664b57035b3b757876703e2c3eac",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
-    "flake-compat": {
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "revCount": 57,
-        "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/edolstra/flake-compat/1.0.1/018afb31-abd1-7bff-a5e4-cff7e18efb7a/source.tar.gz"
-      },
-      "original": {
-        "type": "tarball",
-        "url": "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz"
-      }
-    },
-    "flake-compat_2": {
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "revCount": 57,
-        "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/edolstra/flake-compat/1.0.1/018afb31-abd1-7bff-a5e4-cff7e18efb7a/source.tar.gz"
-      },
-      "original": {
-        "type": "tarball",
-        "url": "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz"
-      }
-    },
-    "flake-compat_3": {
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "revCount": 57,
-        "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/edolstra/flake-compat/1.0.1/018afb31-abd1-7bff-a5e4-cff7e18efb7a/source.tar.gz"
-      },
-      "original": {
-        "type": "tarball",
-        "url": "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz"
-      }
-    },
-    "flake-parts": {
-      "inputs": {
-        "nixpkgs-lib": [
-          "crate2nix",
-          "crate2nix_stable",
-          "crate2nix_stable",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1719745305,
-        "narHash": "sha256-xwgjVUpqSviudEkpQnioeez1Uo2wzrsMaJKJClh+Bls=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "c3c5ecc05edc7dafba779c6c1a61cd08ac6583e9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "type": "github"
-      }
-    },
-    "flake-parts_2": {
-      "inputs": {
-        "nixpkgs-lib": [
-          "crate2nix",
-          "crate2nix_stable",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1719745305,
-        "narHash": "sha256-xwgjVUpqSviudEkpQnioeez1Uo2wzrsMaJKJClh+Bls=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "c3c5ecc05edc7dafba779c6c1a61cd08ac6583e9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "type": "github"
-      }
-    },
-    "flake-parts_3": {
-      "inputs": {
-        "nixpkgs-lib": [
-          "crate2nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1712014858,
-        "narHash": "sha256-sB4SWl2lX95bExY2gMFG5HIzvva5AVMJd4Igm+GpZNw=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "9126214d0a59633752a136528f5f3b9aa8565b7d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "type": "github"
-      }
-    },
-    "flake-parts_4": {
-      "inputs": {
-        "nixpkgs-lib": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1736143030,
-        "narHash": "sha256-+hu54pAoLDEZT9pjHlqL9DNzWz0NbUn8NEAHP7PQPzU=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "b905f6fc23a9051a6e1b741e1438dbfc0634c6de",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "type": "github"
-      }
-    },
-    "flake-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"
-      }
-    },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1701680307,
-        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_3": {
-      "inputs": {
-        "systems": "systems_3"
-      },
-      "locked": {
-        "lastModified": 1701680307,
-        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_4": {
-      "inputs": {
-        "systems": "systems_4"
-      },
-      "locked": {
-        "lastModified": 1701680307,
-        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_5": {
-      "inputs": {
-        "systems": "systems_5"
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "gitignore": {
-      "inputs": {
-        "nixpkgs": [
-          "crate2nix",
-          "crate2nix_stable",
-          "crate2nix_stable",
-          "pre-commit-hooks",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709087332,
-        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
-    "gitignore_2": {
-      "inputs": {
-        "nixpkgs": [
-          "crate2nix",
-          "crate2nix_stable",
-          "pre-commit-hooks",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709087332,
-        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
-    "gitignore_3": {
-      "inputs": {
-        "nixpkgs": [
-          "crate2nix",
-          "pre-commit-hooks",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709087332,
-        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
-    "nix-test-runner": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1588761593,
-        "narHash": "sha256-FKJykltAN/g3eIceJl4SfDnnyuH2jHImhMrXS2KvGIs=",
-        "owner": "stoeffel",
-        "repo": "nix-test-runner",
-        "rev": "c45d45b11ecef3eb9d834c3b6304c05c49b06ca2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "stoeffel",
-        "repo": "nix-test-runner",
-        "type": "github"
-      }
-    },
-    "nix-test-runner_2": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1588761593,
-        "narHash": "sha256-FKJykltAN/g3eIceJl4SfDnnyuH2jHImhMrXS2KvGIs=",
-        "owner": "stoeffel",
-        "repo": "nix-test-runner",
-        "rev": "c45d45b11ecef3eb9d834c3b6304c05c49b06ca2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "stoeffel",
-        "repo": "nix-test-runner",
-        "type": "github"
-      }
-    },
-    "nix-test-runner_3": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1588761593,
-        "narHash": "sha256-FKJykltAN/g3eIceJl4SfDnnyuH2jHImhMrXS2KvGIs=",
-        "owner": "stoeffel",
-        "repo": "nix-test-runner",
-        "rev": "c45d45b11ecef3eb9d834c3b6304c05c49b06ca2",
-        "type": "github"
-      },
-      "original": {
-        "owner": "stoeffel",
-        "repo": "nix-test-runner",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1700612854,
-        "narHash": "sha256-yrQ8osMD+vDLGFX7pcwsY/Qr5PUd6OmDMYJZzZi0+zc=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "19cbff58383a4ae384dea4d1d0c823d72b49d614",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1715534503,
-        "narHash": "sha256-5ZSVkFadZbFP1THataCaSf0JH2cAH3S29hU9rrxTEqk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "2057814051972fa1453ddfb0d98badbea9b83c06",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
-      "locked": {
-        "lastModified": 1715534503,
-        "narHash": "sha256-5ZSVkFadZbFP1THataCaSf0JH2cAH3S29hU9rrxTEqk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "2057814051972fa1453ddfb0d98badbea9b83c06",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_4": {
-      "locked": {
-        "lastModified": 1719506693,
-        "narHash": "sha256-C8e9S7RzshSdHB7L+v9I51af1gDM5unhJ2xO1ywxNH8=",
-        "path": "/nix/store/4p0avw1s3vf27hspgqsrqs37gxk4i83i-source",
-        "rev": "b2852eb9365c6de48ffb0dc2c9562591f652242a",
-        "type": "path"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
-    "nixpkgs_5": {
-      "locked": {
-        "lastModified": 1719506693,
-        "narHash": "sha256-C8e9S7RzshSdHB7L+v9I51af1gDM5unhJ2xO1ywxNH8=",
-        "path": "/nix/store/4p0avw1s3vf27hspgqsrqs37gxk4i83i-source",
-        "rev": "b2852eb9365c6de48ffb0dc2c9562591f652242a",
-        "type": "path"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
-    "nixpkgs_6": {
-      "locked": {
-        "lastModified": 1712026416,
-        "narHash": "sha256-N/3VR/9e1NlN49p7kCiATiEY6Tzdo+CbrAG8kqCQKcI=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "080a4a27f206d07724b88da096e27ef63401a504",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
-    "nixpkgs_7": {
-      "locked": {
-        "lastModified": 0,
-        "narHash": "sha256-vk0xwGZSlvZ/596yxOtsk4gxsIx2VemzdjiU8zhjgWw=",
-        "path": "/nix/store/i0h8hf708hppbk070zsksgqm2k95rxpr-source",
-        "type": "path"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
-    "nixpkgs_8": {
-      "locked": {
-        "lastModified": 1728538411,
-        "narHash": "sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "pre-commit-hooks": {
-      "inputs": {
-        "flake-compat": [
-          "crate2nix",
-          "crate2nix_stable",
-          "crate2nix_stable",
-          "flake-compat"
-        ],
-        "gitignore": "gitignore",
-        "nixpkgs": [
-          "crate2nix",
-          "crate2nix_stable",
-          "crate2nix_stable",
-          "nixpkgs"
-        ],
-        "nixpkgs-stable": [
-          "crate2nix",
-          "crate2nix_stable",
-          "crate2nix_stable",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1719259945,
-        "narHash": "sha256-F1h+XIsGKT9TkGO3omxDLEb/9jOOsI6NnzsXFsZhry4=",
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "rev": "0ff4381bbb8f7a52ca4a851660fc7a437a4c6e07",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "type": "github"
-      }
-    },
-    "pre-commit-hooks_2": {
-      "inputs": {
-        "flake-compat": [
-          "crate2nix",
-          "crate2nix_stable",
-          "flake-compat"
-        ],
-        "gitignore": "gitignore_2",
-        "nixpkgs": [
-          "crate2nix",
-          "crate2nix_stable",
-          "nixpkgs"
-        ],
-        "nixpkgs-stable": [
-          "crate2nix",
-          "crate2nix_stable",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1719259945,
-        "narHash": "sha256-F1h+XIsGKT9TkGO3omxDLEb/9jOOsI6NnzsXFsZhry4=",
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "rev": "0ff4381bbb8f7a52ca4a851660fc7a437a4c6e07",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "type": "github"
-      }
-    },
-    "pre-commit-hooks_3": {
-      "inputs": {
-        "flake-compat": [
-          "crate2nix",
-          "flake-compat"
-        ],
-        "flake-utils": "flake-utils_5",
-        "gitignore": "gitignore_3",
-        "nixpkgs": [
-          "crate2nix",
-          "nixpkgs"
-        ],
-        "nixpkgs-stable": [
-          "crate2nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1712055707,
-        "narHash": "sha256-4XLvuSIDZJGS17xEwSrNuJLL7UjDYKGJSbK1WWX2AK8=",
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "rev": "e35aed5fda3cc79f88ed7f1795021e559582093a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "pre-commit-hooks.nix",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "crate2nix": "crate2nix",
-        "devshell": "devshell_4",
-        "flake-parts": "flake-parts_4",
-        "nixpkgs": "nixpkgs_7",
-        "rust-overlay": "rust-overlay"
-      }
-    },
-    "rust-overlay": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_8"
-      },
-      "locked": {
-        "lastModified": 1736476219,
-        "narHash": "sha256-+qyv3QqdZCdZ3cSO/cbpEY6tntyYjfe1bB12mdpNFaY=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "de30cc5963da22e9742bbbbb9a3344570ed237b9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_3": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_4": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
-    "systems_5": {
-      "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
-}
diff --git a/flake.nix b/flake.nix
deleted file mode 100644
index 5012c0f..0000000
--- a/flake.nix
+++ /dev/null
@@ -1,112 +0,0 @@
-{
-  description = "Rshell wayland bar";
-
-  inputs = {
-    flake-parts = {
-      url = "github:hercules-ci/flake-parts";
-      inputs.nixpkgs-lib.follows = "nixpkgs";
-    };
-    rust-overlay.url = "github:oxalica/rust-overlay";
-    crate2nix.url = "github:nix-community/crate2nix";
-
-    # Development
-
-    devshell = {
-      url = "github:numtide/devshell";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-  };
-
-  nixConfig = {
-    extra-trusted-public-keys = "eigenvalue.cachix.org-1:ykerQDDa55PGxU25CETy9wF6uVDpadGGXYrFNJA3TUs=";
-    extra-substituters = "https://eigenvalue.cachix.org";
-    allow-import-from-derivation = true;
-  };
-
-  outputs =
-    inputs @ { self
-    , nixpkgs
-    , flake-parts
-    , rust-overlay
-    , crate2nix
-    , ...
-    }: flake-parts.lib.mkFlake { inherit inputs; } {
-      systems = [
-        "x86_64-linux"
-        "aarch64-linux"
-        "x86_64-darwin"
-        "aarch64-darwin"
-      ];
-
-      imports = [
-        ./nix/rust-overlay/flake-module.nix
-        ./nix/devshell/flake-module.nix
-      ];
-
-      perSystem = { system, pkgs, lib, inputs', ... }:
-        let
-          # If you dislike IFD, you can also generate it with `crate2nix generate`
-          # on each dependency change and import it here with `import ./Cargo.nix`.
-          # cargoNix = inputs.crate2nix.tools.${system}.appliedCargoNix {
-          #   name = "rustnix";
-          #   src = ./.;
-          # };
-          cargoNix = pkgs.callPackage ./Cargo.nix {
-            release = false;
-            defaultCrateOverrides = pkgs.defaultCrateOverrides // {
-              rav1e = attrs: {
-                env = {
-                  CARGO_ENCODED_RUSTFLAGS = " ";
-                };
-              };
-              rshell = attrs: rec {
-                buildInputs = with pkgs; [
-                  openssl
-                  pkg-config
-                  fontconfig
-                  cmake
-                  zlib
-
-                  # common glutin
-                  libxkbcommon
-                  libGL
-                  dbus
-
-                  # winit wayland
-                  wayland
-
-                  # data gathering
-                  pipewire.dev
-                  networkmanager
-                ];
-                nativeBuildInputs = with pkgs; [
-                  pkg-config
-                  rustPlatform.bindgenHook
-                ];
-                LD_LIBRARY_PATH = lib.makeLibraryPath buildInputs;
-                RUST_SRC_PATH = pkgs.rust.packages.stable.rustPlatform.rustLibSrc;
-              };
-            };
-          };
-        in
-        rec {
-          checks = {
-            rshell = cargoNix.rootCrate.build.override {
-              runTests = true;
-            };
-          };
-
-          packages = {
-            rshell = cargoNix.rootCrate.build;
-            default = packages.rshell;
-
-            inherit (pkgs) rust-toolchain;
-
-            rust-toolchain-versions = pkgs.writeScriptBin "rust-toolchain-versions" ''
-              ${pkgs.rust-toolchain}/bin/cargo --version
-              ${pkgs.rust-toolchain}/bin/rustc --version
-            '';
-          };
-        };
-    };
-}
diff --git a/nix/devshell/flake-module.nix b/nix/devshell/flake-module.nix
deleted file mode 100644
index 6fb490d..0000000
--- a/nix/devshell/flake-module.nix
+++ /dev/null
@@ -1,77 +0,0 @@
-{ inputs, lib, ... }: {
-  imports = [
-    inputs.devshell.flakeModule
-  ];
-
-  config.perSystem =
-    { pkgs
-    , ...
-    }: let
-      packages = with pkgs; [
-        libxkbcommon
-        libGL
-        dbus
-
-        wayland
-
-        openssl
-        libclang
-        glib
-
-        # data gathering
-        pipewire.dev
-        networkmanager
-      ];
-    in {
-      config.devshells.default = {
-        imports = [
-          "${inputs.devshell}/extra/language/c.nix"
-          # "${inputs.devshell}/extra/language/rust.nix"
-        ];
-
-        devshell = {
-          name = "rshell devshell";
-
-          packages = packages ++ (with pkgs;[ pkg-config rustPlatform.bindgenHook rust-cbindgen autoAddDriverRunpath clang ]);
-          packagesFrom = with pkgs; [libclang clang libclang.lib];
-        };
-
-        env = [{
-          name = "LD_LIBRARY_PATH";
-          value = lib.makeLibraryPath packages;
-        } {
-          name = "LDFLAGS";
-          eval = "-L$DEVSHELL_DIR/lib";
-        } {
-          name = "C_INCLUDE_PATH";
-          prefix = "$DEVSHELL_DIR/include";
-        } {
-          name = "PKG_CONFIG_PATH";
-          value = lib.concatStringsSep ":"
-            ( map
-              ( pkg: "${pkg.dev}/lib/pkgconfig" )
-              ( packages )
-            );
-          #"${pkgs.openssl.dev}/lib/pkgconfig";
-        } {
-          name = "LIBCLANG_PATH";
-          value = "${pkgs.libclang.lib}/lib";
-        } {
-          # some *-sys crates require additional includes
-          name = "CFLAGS";
-          # append in case it needs to be modified
-          eval = "\"-I $DEVSHELL_DIR/include ${lib.optionalString pkgs.stdenv.isDarwin "-iframework $DEVSHELL_DIR/Library/Frameworks"}\"";
-        }];
-
-        commands = with pkgs; [
-          { package = rust-toolchain; category = "rust"; }
-        ];
-
-        language.c = {
-          libraries =
-            packages ++
-            (lib.optional pkgs.stdenv.isDarwin pkgs.libiconv);
-        };
-      };
-    };
-}
diff --git a/nix/rust-overlay/flake-module.nix b/nix/rust-overlay/flake-module.nix
deleted file mode 100644
index 1f4f266..0000000
--- a/nix/rust-overlay/flake-module.nix
+++ /dev/null
@@ -1,20 +0,0 @@
-{ inputs, ... }:
-let
-  overlays = [
-    (import inputs.rust-overlay)
-    (self: super: assert !(super ? rust-toolchain); rec {
-      rust-toolchain = 
-        super.rust-bin.fromRustupToolchainFile ../../rust-toolchain.toml;
-        # super.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default);
-
-      # buildRustCrate/crate2nix depend on this.
-      # rustc = rust-toolchain;
-      # cargo = rust-toolchain;
-    })
-  ];
-in
-{
-  perSystem = { system, ... }: {
-    _module.args.pkgs = import inputs.nixpkgs { inherit system overlays; config = { }; };
-  };
-}
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..d40ba1e
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,40 @@
+{ pkgs ? import <nixpkgs> {} }:
+let
+    # rust-rover things
+    fenix = import (fetchTarball "https://github.com/nix-community/fenix/archive/main.tar.gz") { };
+    rust-toolchain =
+        fenix.default.toolchain;
+in
+pkgs.mkShell rec {
+    buildInputs = with pkgs;[
+        openssl
+        pkg-config
+        cmake
+        zlib
+        rust-toolchain
+
+        dbus
+
+        # common glutin
+        libxkbcommon
+        libGL
+
+        # winit wayland
+        wayland
+    ];
+    nativeBuildInputs = with pkgs; [
+        pkg-config
+        fontconfig
+        libclang
+
+        # data gathering
+        pipewire.dev
+        networkmanager
+        rustPlatform.bindgenHook
+    ];
+    LD_LIBRARY_PATH = "${pkgs.lib.makeLibraryPath buildInputs}";
+    OPENSSL_DIR="${pkgs.openssl.dev}";
+    OPENSSL_LIB_DIR="${pkgs.openssl.out}/lib";
+    RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
+    LIBCLANG_PATH = "${pkgs.libclang.lib}/lib";
+}