diff --git a/flake.lock b/flake.lock
index 71328ac..bfa95b0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -23,9 +23,7 @@
       "inputs": {
         "agenix": "agenix_2",
         "crane": "crane",
-        "flake-utils": [
-          "flake-utils"
-        ],
+        "flake-utils": "flake-utils",
         "nixpkgs": [
           "nixpkgs"
         ],
@@ -235,6 +233,22 @@
         "type": "github"
       }
     },
+    "flake-compat_3": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": "nixpkgs-lib"
@@ -254,6 +268,24 @@
       }
     },
     "flake-parts_2": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib_2"
+      },
+      "locked": {
+        "lastModified": 1701473968,
+        "narHash": "sha256-YcVE5emp1qQ8ieHUnxt1wCZCC3ZfAS+SRRWZ2TMda7E=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "34fed993f1674c8d06d58b37ce1e0fe5eebcb9f5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-parts_3": {
       "inputs": {
         "nixpkgs-lib": [
           "lanzaboote",
@@ -274,7 +306,7 @@
         "type": "github"
       }
     },
-    "flake-parts_3": {
+    "flake-parts_4": {
       "inputs": {
         "nixpkgs-lib": [
           "nixos-anywhere",
@@ -295,24 +327,6 @@
         "type": "github"
       }
     },
-    "flake-parts_4": {
-      "inputs": {
-        "nixpkgs-lib": "nixpkgs-lib_2"
-      },
-      "locked": {
-        "lastModified": 1701473968,
-        "narHash": "sha256-YcVE5emp1qQ8ieHUnxt1wCZCC3ZfAS+SRRWZ2TMda7E=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "34fed993f1674c8d06d58b37ce1e0fe5eebcb9f5",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "type": "github"
-      }
-    },
     "flake-parts_5": {
       "inputs": {
         "nixpkgs-lib": "nixpkgs-lib_3"
@@ -371,6 +385,24 @@
       "inputs": {
         "nixpkgs-lib": "nixpkgs-lib_6"
       },
+      "locked": {
+        "lastModified": 1701473968,
+        "narHash": "sha256-YcVE5emp1qQ8ieHUnxt1wCZCC3ZfAS+SRRWZ2TMda7E=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "34fed993f1674c8d06d58b37ce1e0fe5eebcb9f5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-parts_9": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib_7"
+      },
       "locked": {
         "lastModified": 1696343447,
         "narHash": "sha256-B2xAZKLkkeRFG5XcHHSXXcP7To9Xzr59KXeZiRf4vdQ=",
@@ -389,11 +421,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1701680307,
-        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
+        "lastModified": 1681202837,
+        "narHash": "sha256-H+Rh19JDwRtpVPAWp64F+rlEtxUWBAQW28eAi3SRSzg=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
+        "rev": "cfacdce06f30d2b68473a46042957675eebb3401",
         "type": "github"
       },
       "original": {
@@ -424,6 +456,24 @@
       "inputs": {
         "systems": "systems_4"
       },
+      "locked": {
+        "lastModified": 1685518550,
+        "narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_4": {
+      "inputs": {
+        "systems": "systems_5"
+      },
       "locked": {
         "lastModified": 1694529238,
         "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
@@ -460,6 +510,27 @@
         "type": "github"
       }
     },
+    "gitignore_2": {
+      "inputs": {
+        "nixpkgs": [
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1660459072,
+        "narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -531,7 +602,7 @@
       "inputs": {
         "crane": "crane_2",
         "flake-compat": "flake-compat_2",
-        "flake-parts": "flake-parts_2",
+        "flake-parts": "flake-parts_3",
         "flake-utils": "flake-utils_2",
         "nixpkgs": "nixpkgs_4",
         "pre-commit-hooks-nix": "pre-commit-hooks-nix",
@@ -554,7 +625,7 @@
     "nixos-anywhere": {
       "inputs": {
         "disko": "disko_2",
-        "flake-parts": "flake-parts_3",
+        "flake-parts": "flake-parts_4",
         "nixos-images": "nixos-images",
         "nixos-stable": "nixos-stable",
         "nixpkgs": "nixpkgs_5",
@@ -737,6 +808,24 @@
       }
     },
     "nixpkgs-lib_6": {
+      "locked": {
+        "dir": "lib",
+        "lastModified": 1701253981,
+        "narHash": "sha256-ztaDIyZ7HrTAfEEUt9AtTDNoCYxUdSd6NrRHaYOIxtk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e92039b55bcd58469325ded85d4f58dd5a4eaf58",
+        "type": "github"
+      },
+      "original": {
+        "dir": "lib",
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib_7": {
       "locked": {
         "dir": "lib",
         "lastModified": 1696019113,
@@ -770,6 +859,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-stable_2": {
+      "locked": {
+        "lastModified": 1685801374,
+        "narHash": "sha256-otaSUoFEMM+LjBI1XL/xGB5ao6IwnZOXc47qhIgJe8U=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "c37ca420157f4abc31e26f436c1145f8951ff373",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_10": {
       "locked": {
         "lastModified": 1702312524,
@@ -787,6 +892,22 @@
       }
     },
     "nixpkgs_11": {
+      "locked": {
+        "lastModified": 1702312524,
+        "narHash": "sha256-gkZJRDBUCpTPBvQk25G0B7vfbpEYM5s5OZqghkjZsnE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "a9bf124c46ef298113270b1f84a164865987a91c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_12": {
       "locked": {
         "lastModified": 1700612854,
         "narHash": "sha256-yrQ8osMD+vDLGFX7pcwsY/Qr5PUd6OmDMYJZzZi0+zc=",
@@ -802,7 +923,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_12": {
+    "nixpkgs_13": {
       "locked": {
         "lastModified": 1698318101,
         "narHash": "sha256-gUihHt3yPD7bVqg+k/UVHgngyaJ3DMEBchbymBMvK1E=",
@@ -818,6 +939,22 @@
         "type": "github"
       }
     },
+    "nixpkgs_14": {
+      "locked": {
+        "lastModified": 1695644571,
+        "narHash": "sha256-asS9dCCdlt1lPq0DLwkVBbVoEKuEuz+Zi3DG7pR/RxA=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "6500b4580c2a1f3d0f980d32d285739d8e156d92",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1702272962,
@@ -900,16 +1037,16 @@
     },
     "nixpkgs_7": {
       "locked": {
-        "lastModified": 1702312524,
-        "narHash": "sha256-gkZJRDBUCpTPBvQk25G0B7vfbpEYM5s5OZqghkjZsnE=",
+        "lastModified": 1689261696,
+        "narHash": "sha256-LzfUtFs9MQRvIoQ3MfgSuipBVMXslMPH/vZ+nM40LkA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a9bf124c46ef298113270b1f84a164865987a91c",
+        "rev": "df1eee2aa65052a18121ed4971081576b25d6b5c",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -946,6 +1083,28 @@
         "type": "github"
       }
     },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat_3",
+        "flake-utils": "flake-utils_3",
+        "gitignore": "gitignore_2",
+        "nixpkgs": "nixpkgs_7",
+        "nixpkgs-stable": "nixpkgs-stable_2"
+      },
+      "locked": {
+        "lastModified": 1702456155,
+        "narHash": "sha256-I2XhXGAecdGlqi6hPWYT83AQtMgL+aa3ulA85RAEgOk=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "007a45d064c1c32d04e1b8a0de5ef00984c419bc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
     "pre-commit-hooks-nix": {
       "inputs": {
         "flake-compat": [
@@ -979,8 +1138,8 @@
     },
     "projet-audionumerique": {
       "inputs": {
-        "flake-parts": "flake-parts_4",
-        "nixpkgs": "nixpkgs_7"
+        "flake-parts": "flake-parts_5",
+        "nixpkgs": "nixpkgs_8"
       },
       "locked": {
         "lastModified": 1702487657,
@@ -998,8 +1157,8 @@
     },
     "projet-intelligence-artificielle-multimedia": {
       "inputs": {
-        "flake-parts": "flake-parts_5",
-        "nixpkgs": "nixpkgs_8"
+        "flake-parts": "flake-parts_6",
+        "nixpkgs": "nixpkgs_9"
       },
       "locked": {
         "lastModified": 1702567767,
@@ -1017,8 +1176,8 @@
     },
     "projet-oral-anglais": {
       "inputs": {
-        "flake-parts": "flake-parts_6",
-        "nixpkgs": "nixpkgs_9"
+        "flake-parts": "flake-parts_7",
+        "nixpkgs": "nixpkgs_10"
       },
       "locked": {
         "lastModified": 1702566510,
@@ -1036,8 +1195,8 @@
     },
     "projet-oral-japonais": {
       "inputs": {
-        "flake-parts": "flake-parts_7",
-        "nixpkgs": "nixpkgs_10"
+        "flake-parts": "flake-parts_8",
+        "nixpkgs": "nixpkgs_11"
       },
       "locked": {
         "lastModified": 1702567061,
@@ -1055,8 +1214,8 @@
     },
     "resume": {
       "inputs": {
-        "flake-utils": "flake-utils_3",
-        "nixpkgs": "nixpkgs_11",
+        "flake-utils": "flake-utils_4",
+        "nixpkgs": "nixpkgs_12",
         "typst": "typst"
       },
       "locked": {
@@ -1078,18 +1237,20 @@
         "TP-calcul-parallele": "TP-calcul-parallele",
         "agenix": "agenix",
         "disko": "disko",
-        "flake-utils": "flake-utils",
+        "flake-parts": "flake-parts_2",
         "home-manager": "home-manager",
         "hyprland": "hyprland",
         "lanzaboote": "lanzaboote",
         "nixos-anywhere": "nixos-anywhere",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs_6",
+        "pre-commit-hooks": "pre-commit-hooks",
         "projet-audionumerique": "projet-audionumerique",
         "projet-intelligence-artificielle-multimedia": "projet-intelligence-artificielle-multimedia",
         "projet-oral-anglais": "projet-oral-anglais",
         "projet-oral-japonais": "projet-oral-japonais",
-        "resume": "resume"
+        "resume": "resume",
+        "treefmt-nix": "treefmt-nix_2"
       }
     },
     "rust-overlay": {
@@ -1217,6 +1378,21 @@
         "type": "github"
       }
     },
+    "systems_6": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "treefmt-nix": {
       "inputs": {
         "nixpkgs": [
@@ -1238,12 +1414,30 @@
         "type": "github"
       }
     },
+    "treefmt-nix_2": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_14"
+      },
+      "locked": {
+        "lastModified": 1702461037,
+        "narHash": "sha256-ssyGxfGHRuuLHuMex+vV6RMOt7nAo07nwufg9L5GkLg=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "d06b70e5163a903f19009c3f97770014787a080f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    },
     "typst": {
       "inputs": {
         "crane": "crane_3",
-        "flake-parts": "flake-parts_8",
-        "nixpkgs": "nixpkgs_12",
-        "systems": "systems_5"
+        "flake-parts": "flake-parts_9",
+        "nixpkgs": "nixpkgs_13",
+        "systems": "systems_6"
       },
       "locked": {
         "lastModified": 1700840283,
diff --git a/hosts/hydrogen/default.nix b/hosts/hydrogen/default.nix
index 85566db..189224b 100644
--- a/hosts/hydrogen/default.nix
+++ b/hosts/hydrogen/default.nix
@@ -1 +1,6 @@
-{ ... }: { imports = [ ./services ./system ]; }
+{...}: {
+  imports = [
+    ./services
+    ./system
+  ];
+}
diff --git a/hosts/hydrogen/services/acme/default.nix b/hosts/hydrogen/services/acme/default.nix
index cbb9991..17c1178 100644
--- a/hosts/hydrogen/services/acme/default.nix
+++ b/hosts/hydrogen/services/acme/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   security.acme = {
     acceptTerms = true;
     defaults.email = "acme@fainsin.bzh";
diff --git a/hosts/hydrogen/services/atuin/default.nix b/hosts/hydrogen/services/atuin/default.nix
index d734d66..cfb56f6 100644
--- a/hosts/hydrogen/services/atuin/default.nix
+++ b/hosts/hydrogen/services/atuin/default.nix
@@ -1,5 +1,4 @@
-{ ... }: {
-
+{...}: {
   services.atuin = {
     enable = true;
     openRegistration = false;
@@ -11,9 +10,8 @@
       "atuin.fainsin.bzh" = {
         forceSSL = true;
         enableACME = true;
-        locations."/" = { proxyPass = "http://127.0.0.1:8888"; };
+        locations."/".proxyPass = "http://127.0.0.1:8888";
       };
     };
   };
-
 }
diff --git a/hosts/hydrogen/services/changedetection/default.nix b/hosts/hydrogen/services/changedetection/default.nix
index 2ea7234..6199167 100644
--- a/hosts/hydrogen/services/changedetection/default.nix
+++ b/hosts/hydrogen/services/changedetection/default.nix
@@ -1 +1,3 @@
-{ ... }: { services.changedetection-io.enable = true; }
+{...}: {
+  services.changedetection-io.enable = true;
+}
diff --git a/hosts/hydrogen/services/default.nix b/hosts/hydrogen/services/default.nix
index 5b52644..98096cb 100644
--- a/hosts/hydrogen/services/default.nix
+++ b/hosts/hydrogen/services/default.nix
@@ -1 +1,9 @@
-{ ... }: { imports = [ ./acme ./atuin ./changedetection ./gitea ./nginx ]; }
+{...}: {
+  imports = [
+    ./acme
+    ./atuin
+    ./changedetection
+    ./gitea
+    ./nginx
+  ];
+}
diff --git a/hosts/hydrogen/services/gitea/default.nix b/hosts/hydrogen/services/gitea/default.nix
index 275257f..5c7e3e6 100644
--- a/hosts/hydrogen/services/gitea/default.nix
+++ b/hosts/hydrogen/services/gitea/default.nix
@@ -1,10 +1,14 @@
-{ config, pkgs, ... }: {
+{
+  config,
+  pkgs,
+  ...
+}: {
   age.secrets.gitea = {
     file = ../../../../secrets/gitea.age;
     owner = "gitea";
     group = "gitea";
   };
-  age.identityPaths = [ "/root/.ssh/id_ed25519" ];
+  age.identityPaths = ["/root/.ssh/id_ed25519"];
 
   services.gitea = {
     enable = true;
diff --git a/hosts/hydrogen/services/nginx/default.nix b/hosts/hydrogen/services/nginx/default.nix
index 46ed438..7410ea2 100644
--- a/hosts/hydrogen/services/nginx/default.nix
+++ b/hosts/hydrogen/services/nginx/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   services.nginx = {
     enable = true;
 
@@ -11,5 +11,8 @@
     # clientMaxBodySize = "0";
   };
 
-  imports = [ ./laurent ./n7 ];
+  imports = [
+    ./laurent
+    ./n7
+  ];
 }
diff --git a/hosts/hydrogen/services/nginx/laurent/default.nix b/hosts/hydrogen/services/nginx/laurent/default.nix
index 39a919d..4b474f1 100644
--- a/hosts/hydrogen/services/nginx/laurent/default.nix
+++ b/hosts/hydrogen/services/nginx/laurent/default.nix
@@ -1 +1,6 @@
-{ ... }: { imports = [ ./resume.nix ./website.nix ]; }
+{...}: {
+  imports = [
+    ./resume.nix
+    ./website.nix
+  ];
+}
diff --git a/hosts/hydrogen/services/nginx/laurent/resume.nix b/hosts/hydrogen/services/nginx/laurent/resume.nix
index 0c6cb4f..b83cf1f 100644
--- a/hosts/hydrogen/services/nginx/laurent/resume.nix
+++ b/hosts/hydrogen/services/nginx/laurent/resume.nix
@@ -1,4 +1,8 @@
-{ inputs, system, ... }: {
+{
+  inputs,
+  system,
+  ...
+}: {
   services.nginx.virtualHosts = {
     "resume.laurent.fainsin.bzh" = {
       enableACME = true;
diff --git a/hosts/hydrogen/services/nginx/laurent/website.nix b/hosts/hydrogen/services/nginx/laurent/website.nix
index 11e2b16..bb57a3c 100644
--- a/hosts/hydrogen/services/nginx/laurent/website.nix
+++ b/hosts/hydrogen/services/nginx/laurent/website.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   pages = pkgs.fetchgit {
     url = "https://git.fainsin.bzh/Laurent/personal-website";
     branchName = "pages";
@@ -17,8 +16,7 @@ in {
     "fainsin.bzh" = {
       enableACME = true;
       forceSSL = true;
-      locations."/".return =
-        ''301 "$scheme://laurent.fainsin.bzh$request_uri"'';
+      locations."/".return = ''301 "$scheme://laurent.fainsin.bzh$request_uri"'';
     };
     default = {
       default = true;
diff --git a/hosts/hydrogen/services/nginx/n7/TP-calcul-parallele.nix b/hosts/hydrogen/services/nginx/n7/TP-calcul-parallele.nix
index a6c9bcd..37b8d17 100644
--- a/hosts/hydrogen/services/nginx/n7/TP-calcul-parallele.nix
+++ b/hosts/hydrogen/services/nginx/n7/TP-calcul-parallele.nix
@@ -1,3 +1,7 @@
-{ inputs, system, ... }: {
+{
+  inputs,
+  system,
+  ...
+}: {
   alias = inputs.TP-calcul-parallele.packages.${system}.report + "/";
 }
diff --git a/hosts/hydrogen/services/nginx/n7/TP-reinforcement-learning.nix b/hosts/hydrogen/services/nginx/n7/TP-reinforcement-learning.nix
index 027c428..937e3cf 100644
--- a/hosts/hydrogen/services/nginx/n7/TP-reinforcement-learning.nix
+++ b/hosts/hydrogen/services/nginx/n7/TP-reinforcement-learning.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   pages = pkgs.fetchgit {
     url = "https://git.fainsin.bzh/ENSEEIHT/TP-reinforcement-learning";
     rev = "cfd97e864894af07ba768d8fc9382ddfcc09400f"; # pages
diff --git a/hosts/hydrogen/services/nginx/n7/TP-traitement-audio-visuel.nix b/hosts/hydrogen/services/nginx/n7/TP-traitement-audio-visuel.nix
index d626339..b3e2a54 100644
--- a/hosts/hydrogen/services/nginx/n7/TP-traitement-audio-visuel.nix
+++ b/hosts/hydrogen/services/nginx/n7/TP-traitement-audio-visuel.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   pages = pkgs.fetchFromGitea {
     domain = "git.fainsin.bzh";
     owner = "ENSEEIHT";
diff --git a/hosts/hydrogen/services/nginx/n7/default.nix b/hosts/hydrogen/services/nginx/n7/default.nix
index dd2edd6..6b8d440 100644
--- a/hosts/hydrogen/services/nginx/n7/default.nix
+++ b/hosts/hydrogen/services/nginx/n7/default.nix
@@ -1,56 +1,34 @@
-{ inputs, system, pkgs, ... }: {
+{
+  inputs,
+  system,
+  pkgs,
+  ...
+}: {
   services.nginx.virtualHosts = {
     "n7.laurent.fainsin.bzh" = {
       enableACME = true;
       forceSSL = true;
 
-      locations = {
-
-        "/".return = "301 $scheme://git.fainsin.bzh/ENSEEIHT";
-
-      } // {
-
-        "/projet-audionumerique/" = # #
-          import ./projet-audionumerique.nix { inherit inputs system; };
-
-        "/projet-systemes-algorithmes-repartis/" = # #
-          import ./projet-systemes-algorithmes-repartis.nix pkgs;
-
-        "/projet-intelligence-artificielle-multimedia/" = # #
-          import ./projet-intelligence-artificielle-multimedia.nix {
-            inherit inputs system;
-          };
-
-        "/projet-probleme-inverse-3D/" = # #
-          import ./projet-probleme-inverse-3D.nix pkgs;
-
-        "/projet-modelisation-geometrique/" = # #
-          import ./projet-modelisation-geometrique.nix pkgs;
-
-        "/projet-long/" = # #
-          import ./projet-long.nix pkgs;
-
-        "/projet-oral-japonais/" = # #
-          import ./projet-oral-japonais.nix { inherit inputs system; };
-
-        "/projet-oral-anglais/" = # #
-          import ./projet-oral-anglais.nix { inherit inputs system; };
-
-        "/projet-fin-etude/" = # #
-          import ./projet-fin-etude.nix pkgs;
-
-      } // {
-
-        "/TP-calcul-parallele/" = # #
-          import ./TP-calcul-parallele.nix { inherit inputs system; };
-
-        "/TP-reinforcement-learning/" = # #
-          import ./TP-reinforcement-learning.nix pkgs;
-
-        "/TP-traitement-audio-visuel/" = # #
-          import ./TP-traitement-audio-visuel.nix pkgs;
-
-      };
+      locations =
+        {
+          "/".return = "301 $scheme://git.fainsin.bzh/ENSEEIHT";
+        }
+        // {
+          "/projet-audionumerique/" = import ./projet-audionumerique.nix {inherit inputs system;};
+          "/projet-systemes-algorithmes-repartis/" = import ./projet-systemes-algorithmes-repartis.nix pkgs;
+          "/projet-intelligence-artificielle-multimedia/" = import ./projet-intelligence-artificielle-multimedia.nix {inherit inputs system;};
+          "/projet-probleme-inverse-3D/" = import ./projet-probleme-inverse-3D.nix pkgs;
+          "/projet-modelisation-geometrique/" = import ./projet-modelisation-geometrique.nix pkgs;
+          "/projet-long/" = import ./projet-long.nix pkgs;
+          "/projet-oral-japonais/" = import ./projet-oral-japonais.nix {inherit inputs system;};
+          "/projet-oral-anglais/" = import ./projet-oral-anglais.nix {inherit inputs system;};
+          "/projet-fin-etude/" = import ./projet-fin-etude.nix pkgs;
+        }
+        // {
+          "/TP-calcul-parallele/" = import ./TP-calcul-parallele.nix {inherit inputs system;};
+          "/TP-reinforcement-learning/" = import ./TP-reinforcement-learning.nix pkgs;
+          "/TP-traitement-audio-visuel/" = import ./TP-traitement-audio-visuel.nix pkgs;
+        };
     };
   };
 }
diff --git a/hosts/hydrogen/services/nginx/n7/projet-audionumerique.nix b/hosts/hydrogen/services/nginx/n7/projet-audionumerique.nix
index 31fdfb7..6b91881 100644
--- a/hosts/hydrogen/services/nginx/n7/projet-audionumerique.nix
+++ b/hosts/hydrogen/services/nginx/n7/projet-audionumerique.nix
@@ -1,3 +1,7 @@
-{ inputs, system, ... }: {
+{
+  inputs,
+  system,
+  ...
+}: {
   alias = inputs.projet-audionumerique.packages.${system}.slides + "/";
 }
diff --git a/hosts/hydrogen/services/nginx/n7/projet-fin-etude.nix b/hosts/hydrogen/services/nginx/n7/projet-fin-etude.nix
index d86c7cd..dc0c304 100644
--- a/hosts/hydrogen/services/nginx/n7/projet-fin-etude.nix
+++ b/hosts/hydrogen/services/nginx/n7/projet-fin-etude.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   pages = pkgs.fetchgit {
     url = "https://git.fainsin.bzh/ENSEEIHT/projet-fin-etude-rapport";
     rev = "32fe5c7ec6d67241951fdaf001e3da1c41b29dcf"; # pages
diff --git a/hosts/hydrogen/services/nginx/n7/projet-intelligence-artificielle-multimedia.nix b/hosts/hydrogen/services/nginx/n7/projet-intelligence-artificielle-multimedia.nix
index ce632d5..c6d3a3a 100644
--- a/hosts/hydrogen/services/nginx/n7/projet-intelligence-artificielle-multimedia.nix
+++ b/hosts/hydrogen/services/nginx/n7/projet-intelligence-artificielle-multimedia.nix
@@ -1,4 +1,8 @@
-{ inputs, system, ... }: {
+{
+  inputs,
+  system,
+  ...
+}: {
   alias =
     inputs.projet-intelligence-artificielle-multimedia.packages.${system}.slides
     + "/";
diff --git a/hosts/hydrogen/services/nginx/n7/projet-long.nix b/hosts/hydrogen/services/nginx/n7/projet-long.nix
index 64ed1ed..e2385b8 100644
--- a/hosts/hydrogen/services/nginx/n7/projet-long.nix
+++ b/hosts/hydrogen/services/nginx/n7/projet-long.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   pages = pkgs.fetchgit {
     url = "https://git.fainsin.bzh/ENSEEIHT/projet-long";
     rev = "8290710fa7461c486dc727966c8eaa2234ae2e7d"; # pages
diff --git a/hosts/hydrogen/services/nginx/n7/projet-modelisation-geometrique.nix b/hosts/hydrogen/services/nginx/n7/projet-modelisation-geometrique.nix
index c7ada6f..33090db 100644
--- a/hosts/hydrogen/services/nginx/n7/projet-modelisation-geometrique.nix
+++ b/hosts/hydrogen/services/nginx/n7/projet-modelisation-geometrique.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   pages = pkgs.fetchgit {
     url = "https://git.fainsin.bzh/ENSEEIHT/projet-modelisation-geometrique";
     rev = "bf68bccd640e68b92749b0580c82f8ab65e923a8"; # pages
diff --git a/hosts/hydrogen/services/nginx/n7/projet-oral-anglais.nix b/hosts/hydrogen/services/nginx/n7/projet-oral-anglais.nix
index 276417c..4eb0e03 100644
--- a/hosts/hydrogen/services/nginx/n7/projet-oral-anglais.nix
+++ b/hosts/hydrogen/services/nginx/n7/projet-oral-anglais.nix
@@ -1,3 +1,7 @@
-{ inputs, system, ... }: {
+{
+  inputs,
+  system,
+  ...
+}: {
   alias = inputs.projet-oral-anglais.packages.${system}.slides + "/";
 }
diff --git a/hosts/hydrogen/services/nginx/n7/projet-oral-japonais.nix b/hosts/hydrogen/services/nginx/n7/projet-oral-japonais.nix
index afef959..ff2df1a 100644
--- a/hosts/hydrogen/services/nginx/n7/projet-oral-japonais.nix
+++ b/hosts/hydrogen/services/nginx/n7/projet-oral-japonais.nix
@@ -1,3 +1,7 @@
-{ inputs, system, ... }: {
+{
+  inputs,
+  system,
+  ...
+}: {
   alias = inputs.projet-oral-japonais.packages.${system}.slides + "/";
 }
diff --git a/hosts/hydrogen/services/nginx/n7/projet-probleme-inverse-3D.nix b/hosts/hydrogen/services/nginx/n7/projet-probleme-inverse-3D.nix
index 09779a7..aab8d84 100644
--- a/hosts/hydrogen/services/nginx/n7/projet-probleme-inverse-3D.nix
+++ b/hosts/hydrogen/services/nginx/n7/projet-probleme-inverse-3D.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   pages = pkgs.fetchgit {
     url = "https://git.fainsin.bzh/ENSEEIHT/projet-probleme-inverse-3D";
     rev = "9c75aadaf1b779e4f88fd42de163dedd8d5e918a"; # pages
diff --git a/hosts/hydrogen/services/nginx/n7/projet-systemes-algorithmes-repartis.nix b/hosts/hydrogen/services/nginx/n7/projet-systemes-algorithmes-repartis.nix
index 7985ce4..76bf1bb 100644
--- a/hosts/hydrogen/services/nginx/n7/projet-systemes-algorithmes-repartis.nix
+++ b/hosts/hydrogen/services/nginx/n7/projet-systemes-algorithmes-repartis.nix
@@ -1,8 +1,6 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   pages = pkgs.fetchgit {
-    url =
-      "https://git.fainsin.bzh/ENSEEIHT/projet-systemes-algorithmes-repartis";
+    url = "https://git.fainsin.bzh/ENSEEIHT/projet-systemes-algorithmes-repartis";
     rev = "1826a53d95b19400b8dd252cd05b20012e3c3dac"; # pages
     sha256 = "0n81hpcj7lj5i7jhl8af869vy6fp6bhyrk4fdl6y2rpjgp64zmq2";
   };
diff --git a/hosts/hydrogen/system/boot/default.nix b/hosts/hydrogen/system/boot/default.nix
index 517868d..ac9613c 100644
--- a/hosts/hydrogen/system/boot/default.nix
+++ b/hosts/hydrogen/system/boot/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   # clean /tmp at each boot
   boot.tmp.cleanOnBoot = true;
 
diff --git a/hosts/hydrogen/system/default.nix b/hosts/hydrogen/system/default.nix
index e7c0fd7..b91c335 100644
--- a/hosts/hydrogen/system/default.nix
+++ b/hosts/hydrogen/system/default.nix
@@ -1,4 +1,4 @@
-{ modulesPath, ... }: {
+{modulesPath, ...}: {
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave
diff --git a/hosts/hydrogen/system/disko/default.nix b/hosts/hydrogen/system/disko/default.nix
index fe3ac98..815a23a 100644
--- a/hosts/hydrogen/system/disko/default.nix
+++ b/hosts/hydrogen/system/disko/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   boot.loader.grub = {
     efiSupport = true;
     efiInstallAsRemovable = true;
diff --git a/hosts/hydrogen/system/networking/default.nix b/hosts/hydrogen/system/networking/default.nix
index 27e4ede..5affbdf 100644
--- a/hosts/hydrogen/system/networking/default.nix
+++ b/hosts/hydrogen/system/networking/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   networking = {
     # the name of the machine
     hostName = "hydrogen";
@@ -7,7 +7,7 @@
     domain = "fainsin.bzh";
 
     # domain name servers, use clouflare family
-    nameservers = [ "1.1.1.2" "1.0.0.2" ];
+    nameservers = ["1.1.1.2" "1.0.0.2"];
 
     # TODO: bouger ça à côté des applications
     firewall = {
diff --git a/hosts/hydrogen/system/nix/default.nix b/hosts/hydrogen/system/nix/default.nix
index 9efa733..d5ac7be 100644
--- a/hosts/hydrogen/system/nix/default.nix
+++ b/hosts/hydrogen/system/nix/default.nix
@@ -1,4 +1,9 @@
-{ lib, pkgs, nixpkgs, ... }: {
+{
+  lib,
+  pkgs,
+  nixpkgs,
+  ...
+}: {
   # optimizations
   nix.settings.auto-optimise-store = true;
 
@@ -10,14 +15,14 @@
   };
 
   # experimental features
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  nix.settings.experimental-features = ["nix-command" "flakes"];
 
   # pin nixpkgs registry
   nix.registry.nixpkgs.flake = nixpkgs;
 
   # print diff between two generations
   system.activationScripts.nvd-report-changes = ''
-    PATH=$PATH:${lib.makeBinPath [ pkgs.nvd pkgs.nix ]}
+    PATH=$PATH:${lib.makeBinPath [pkgs.nvd pkgs.nix]}
     nvd diff $(ls -dv /nix/var/nix/profiles/system-*-link | tail -2)
   '';
 }
diff --git a/hosts/hydrogen/system/packages/default.nix b/hosts/hydrogen/system/packages/default.nix
index dd2c17b..f5ff2b0 100644
--- a/hosts/hydrogen/system/packages/default.nix
+++ b/hosts/hydrogen/system/packages/default.nix
@@ -1,3 +1,8 @@
-{ pkgs, ... }: {
-  environment.systemPackages = with pkgs; [ btop borgbackup gitMinimal sysz ];
+{pkgs, ...}: {
+  environment.systemPackages = with pkgs; [
+    btop
+    borgbackup
+    gitMinimal
+    sysz
+  ];
 }
diff --git a/hosts/hydrogen/system/ssh/default.nix b/hosts/hydrogen/system/ssh/default.nix
index 33d6b34..f361793 100644
--- a/hosts/hydrogen/system/ssh/default.nix
+++ b/hosts/hydrogen/system/ssh/default.nix
@@ -1,6 +1,6 @@
-{ ... }: {
+{...}: {
   services.openssh = {
     enable = true;
-    ports = [ 624 ];
+    ports = [624];
   };
 }
diff --git a/hosts/hydrogen/system/users/default.nix b/hosts/hydrogen/system/users/default.nix
index 6f5b4f3..124db81 100644
--- a/hosts/hydrogen/system/users/default.nix
+++ b/hosts/hydrogen/system/users/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   users.mutableUsers = false;
   users.users.root.openssh.authorizedKeys.keys = [
     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINTvwXCT99s1EwOCeGQ28jyCAH/RBoLZza9k5I7wWdEu"
diff --git a/hosts/neodymium/default.nix b/hosts/neodymium/default.nix
index 61f63fc..62b5f10 100644
--- a/hosts/neodymium/default.nix
+++ b/hosts/neodymium/default.nix
@@ -1,5 +1,5 @@
-{ pkgs, ... }: {
-  imports = [ ./system ./services ];
+{pkgs, ...}: {
+  imports = [./system ./services];
 
   # shorter timeout for systemd services
   systemd.extraConfig = ''
@@ -10,7 +10,10 @@
   xdg.portal = {
     enable = true;
     wlr.enable = true;
-    extraPortals = [ pkgs.xdg-desktop-portal-gtk pkgs.xdg-desktop-portal-wlr ];
+    extraPortals = [
+      pkgs.xdg-desktop-portal-gtk
+      pkgs.xdg-desktop-portal-wlr
+    ];
   };
 
   programs.zsh.enable = true;
diff --git a/hosts/neodymium/home/alacritty/default.nix b/hosts/neodymium/home/alacritty/default.nix
index 7c344c9..a603f72 100644
--- a/hosts/neodymium/home/alacritty/default.nix
+++ b/hosts/neodymium/home/alacritty/default.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   catppuccin-alacritty = pkgs.fetchFromGitHub {
     owner = "catppuccin";
     repo = "alacritty";
@@ -10,7 +9,7 @@ in {
   programs.alacritty = {
     enable = true;
     settings = {
-      import = [ "${catppuccin-alacritty}/catppuccin-mocha.yml" ];
+      import = ["${catppuccin-alacritty}/catppuccin-mocha.yml"];
       window.opacity = 0.85;
       font = {
         normal.family = "FiraCode Nerd Font Mono";
diff --git a/hosts/neodymium/home/chromium/default.nix b/hosts/neodymium/home/chromium/default.nix
index a337fcb..c36e889 100644
--- a/hosts/neodymium/home/chromium/default.nix
+++ b/hosts/neodymium/home/chromium/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   programs.chromium = {
     enable = true;
     package = pkgs.ungoogled-chromium;
diff --git a/hosts/neodymium/home/default.nix b/hosts/neodymium/home/default.nix
index 1ce0d5c..a824702 100644
--- a/hosts/neodymium/home/default.nix
+++ b/hosts/neodymium/home/default.nix
@@ -1,4 +1,4 @@
-{ hyprland, ... }: {
+{hyprland, ...}: {
   config.home.stateVersion = "23.05";
   imports = [
     hyprland.homeManagerModules.default
diff --git a/hosts/neodymium/home/firefox/default.nix b/hosts/neodymium/home/firefox/default.nix
index a55ba3e..2a1c283 100644
--- a/hosts/neodymium/home/firefox/default.nix
+++ b/hosts/neodymium/home/firefox/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   programs.librewolf = {
     enable = true;
     settings = {
diff --git a/hosts/neodymium/home/gtk/default.nix b/hosts/neodymium/home/gtk/default.nix
index a6c7e84..4e79f41 100644
--- a/hosts/neodymium/home/gtk/default.nix
+++ b/hosts/neodymium/home/gtk/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   gtk = {
     enable = true;
 
@@ -19,8 +19,8 @@
     theme = {
       name = "Catppuccin-Mocha-Compact-Blue-Dark";
       package = pkgs.catppuccin-gtk.override {
-        tweaks = [ "rimless" "normal" ];
-        accents = [ "blue" ];
+        tweaks = ["rimless" "normal"];
+        accents = ["blue"];
         variant = "mocha";
         size = "compact";
       };
diff --git a/hosts/neodymium/home/packages.nix b/hosts/neodymium/home/packages.nix
index 6e0270a..91c9c3c 100644
--- a/hosts/neodymium/home/packages.nix
+++ b/hosts/neodymium/home/packages.nix
@@ -1,8 +1,8 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   services.mpris-proxy.enable = true; # media keys
 
   home.packages = with pkgs; [
-    (bemoji.overrideAttrs (oldAttrs: {
+    (bemoji.overrideAttrs (_: {
       src = pkgs.fetchFromGitHub {
         owner = "marty-oehme";
         repo = "bemoji";
diff --git a/hosts/neodymium/home/shell/atuin.nix b/hosts/neodymium/home/shell/atuin.nix
index 0f5b659..49b77d5 100644
--- a/hosts/neodymium/home/shell/atuin.nix
+++ b/hosts/neodymium/home/shell/atuin.nix
@@ -1,7 +1,9 @@
-{ ... }: {
+{...}: {
   programs.atuin = {
     enable = true;
     enableZshIntegration = true;
-    settings = { sync_address = "https://atuin.fainsin.bzh"; };
+    settings = {
+      sync_address = "https://atuin.fainsin.bzh";
+    };
   };
 }
diff --git a/hosts/neodymium/home/shell/bat.nix b/hosts/neodymium/home/shell/bat.nix
index 2e84353..de3d615 100644
--- a/hosts/neodymium/home/shell/bat.nix
+++ b/hosts/neodymium/home/shell/bat.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   catppuccin-bat = pkgs.fetchFromGitHub {
     owner = "catppuccin";
     repo = "bat";
@@ -16,7 +15,7 @@ in {
       };
     };
     config.theme = "catppuccin";
-    extraPackages = with pkgs.bat-extras; [ batman ];
+    extraPackages = with pkgs.bat-extras; [batman];
   };
   programs.zsh.shellAliases = {
     cat = "bat";
diff --git a/hosts/neodymium/home/shell/btop.nix b/hosts/neodymium/home/shell/btop.nix
index 15bfea1..e997764 100644
--- a/hosts/neodymium/home/shell/btop.nix
+++ b/hosts/neodymium/home/shell/btop.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   catppuccin-btop = pkgs.fetchFromGitHub {
     owner = "catppuccin";
     repo = "btop";
@@ -7,7 +6,6 @@ let
     sha256 = "sha256-jodJl4f2T9ViNqsY9fk8IV62CrpC5hy7WK3aRpu70Cs=";
   };
 in {
-
   xdg.configFile."btop/themes".source = "${catppuccin-btop}/themes";
 
   programs.btop = {
@@ -21,6 +19,5 @@ in {
     };
   };
 
-  programs.zsh.shellAliases = { htop = "btop"; };
-
+  programs.zsh.shellAliases = {htop = "btop";};
 }
diff --git a/hosts/neodymium/home/shell/default.nix b/hosts/neodymium/home/shell/default.nix
index da8f92a..7649e35 100644
--- a/hosts/neodymium/home/shell/default.nix
+++ b/hosts/neodymium/home/shell/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   imports = [
     ./atuin.nix
     ./bat.nix
diff --git a/hosts/neodymium/home/shell/direnv.nix b/hosts/neodymium/home/shell/direnv.nix
index 355dcf7..30c5f0d 100644
--- a/hosts/neodymium/home/shell/direnv.nix
+++ b/hosts/neodymium/home/shell/direnv.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   programs.direnv = {
     enable = true;
     enableZshIntegration = true;
diff --git a/hosts/neodymium/home/shell/exa.nix b/hosts/neodymium/home/shell/exa.nix
index ed812cf..8df8b33 100644
--- a/hosts/neodymium/home/shell/exa.nix
+++ b/hosts/neodymium/home/shell/exa.nix
@@ -1,8 +1,7 @@
-{ ... }: {
+{...}: {
   programs.eza.enable = true;
   programs.zsh.shellAliases = {
-    l =
-      "eza -lahg --icons --git --time-style=long-iso --group-directories-first --color=always";
+    l = "eza -lahg --icons --git --time-style=long-iso --group-directories-first --color=always";
     ll = "l --grid";
   };
 }
diff --git a/hosts/neodymium/home/shell/git.nix b/hosts/neodymium/home/shell/git.nix
index f85a8c7..cd399ab 100644
--- a/hosts/neodymium/home/shell/git.nix
+++ b/hosts/neodymium/home/shell/git.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   programs.git = {
     enable = true;
     lfs.enable = true;
@@ -6,8 +6,7 @@
     userEmail = "laurent@fainsin.bzh";
     signing = {
       signByDefault = true;
-      key =
-        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINTvwXCT99s1EwOCeGQ28jyCAH/RBoLZza9k5I7wWdEu laurent@neodymium";
+      key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINTvwXCT99s1EwOCeGQ28jyCAH/RBoLZza9k5I7wWdEu laurent@neodymium";
     };
   };
 }
diff --git a/hosts/neodymium/home/shell/starship.nix b/hosts/neodymium/home/shell/starship.nix
index b5c37f2..0c1f358 100644
--- a/hosts/neodymium/home/shell/starship.nix
+++ b/hosts/neodymium/home/shell/starship.nix
@@ -1,4 +1,4 @@
-{ lib, ... }: {
+{lib, ...}: {
   programs.starship = {
     enable = true;
     enableZshIntegration = true;
diff --git a/hosts/neodymium/home/shell/zsh.nix b/hosts/neodymium/home/shell/zsh.nix
index f0bcaf7..6941ea3 100644
--- a/hosts/neodymium/home/shell/zsh.nix
+++ b/hosts/neodymium/home/shell/zsh.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   programs.zsh = {
     enable = true;
     enableAutosuggestions = true;
@@ -23,15 +23,17 @@
       bindkey '^H' backward-kill-word
       bindkey '5~' kill-word
     '';
-    plugins = [{
-      name = "zsh-nix-shell";
-      file = "nix-shell.plugin.zsh";
-      src = pkgs.fetchFromGitHub {
-        owner = "chisui";
-        repo = "zsh-nix-shell";
-        rev = "227d284ab2dc2f5153826974e0094a1990b1b5b9";
-        sha256 = "11mkq58ssafvkq8sq27v0dl19mi2myi392nhxgi1q2q9q0gazcaa";
-      };
-    }];
+    plugins = [
+      {
+        name = "zsh-nix-shell";
+        file = "nix-shell.plugin.zsh";
+        src = pkgs.fetchFromGitHub {
+          owner = "chisui";
+          repo = "zsh-nix-shell";
+          rev = "227d284ab2dc2f5153826974e0094a1990b1b5b9";
+          sha256 = "11mkq58ssafvkq8sq27v0dl19mi2myi392nhxgi1q2q9q0gazcaa";
+        };
+      }
+    ];
   };
 }
diff --git a/hosts/neodymium/home/vscode/default.nix b/hosts/neodymium/home/vscode/default.nix
index 172f18e..22ad829 100644
--- a/hosts/neodymium/home/vscode/default.nix
+++ b/hosts/neodymium/home/vscode/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   programs.vscode = {
     enable = true;
     package = pkgs.vscode;
@@ -29,8 +29,7 @@
       "git.confirmSync" = false;
       "git.enableSmartCommit" = true;
       "gitmoji.showEmojiCode" = true;
-      "terminal.integrated.fontFamily" =
-        "'FiraCode Nerd Font Mono', 'Noto Color Emoji'";
+      "terminal.integrated.fontFamily" = "'FiraCode Nerd Font Mono', 'Noto Color Emoji'";
       "window.menuBarVisibility" = "toggle";
       "window.zoomLevel" = -0.25;
       "workbench.colorTheme" = "Catppuccin Mocha";
@@ -40,14 +39,12 @@
       "telemetry.telemetryLevel" = "off";
       "editor.inlineSuggest.enabled" = true;
       "liveshare.presence" = true;
-      "github.copilot.enable" = { "markdown" = true; };
+      "github.copilot.enable" = {"markdown" = true;};
       "nix.enableLanguageServer" = true;
       "nix.serverPath" = "nil";
-      "nix.serverSettings"."nil"."formatting"."command" = [ "nixfmt" ];
       "julia.enableTelemetry" = false;
       "julia.symbolCacheDownload" = true;
-      "terminal.integrated.commandsToSkipShell" =
-        [ "language-julia.interrupt" ];
+      "terminal.integrated.commandsToSkipShell" = ["language-julia.interrupt"];
     };
   };
 }
diff --git a/hosts/neodymium/home/wayland/default.nix b/hosts/neodymium/home/wayland/default.nix
index fc9e1b6..b4f02ea 100644
--- a/hosts/neodymium/home/wayland/default.nix
+++ b/hosts/neodymium/home/wayland/default.nix
@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-let
+{pkgs, ...}: let
   catppuccin-mako = pkgs.fetchFromGitHub {
     owner = "catppuccin";
     repo = "mako";
@@ -7,8 +6,12 @@ let
     sha256 = "097x9jrkzvml6ngnhxwkzzl1l2awwv73yli1mhmpw83c0n8xck4x";
   };
 in {
+  # TODO: split some stuff here
 
-  imports = [ ./hyprland ./eww ];
+  imports = [
+    ./hyprland
+    ./eww
+  ];
 
   services.mako = {
     enable = true;
@@ -104,5 +107,4 @@ in {
       bs-hl-color = "F38BA8";
     };
   };
-
 }
diff --git a/hosts/neodymium/home/wayland/eww/default.nix b/hosts/neodymium/home/wayland/eww/default.nix
index 4f6a507..8142d23 100644
--- a/hosts/neodymium/home/wayland/eww/default.nix
+++ b/hosts/neodymium/home/wayland/eww/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   programs.eww = {
     enable = true;
     package = pkgs.eww-wayland;
diff --git a/hosts/neodymium/home/wayland/hyprland/default.nix b/hosts/neodymium/home/wayland/hyprland/default.nix
index cdccee9..0627d0f 100644
--- a/hosts/neodymium/home/wayland/hyprland/default.nix
+++ b/hosts/neodymium/home/wayland/hyprland/default.nix
@@ -1,16 +1,18 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   wayland.windowManager.hyprland = {
     enable = true;
 
-    extraConfig = ''
-      exec-once=env XDG_CACHE_HOME=/tmp eww open bar
-      exec-once=${pkgs.swaybg}/bin/swaybg -i ~/Pictures/wallpapers/kai-oberhauser-unsplash.jpg
-      exec-once=mako
-      exec-once=element-desktop
-      exec-once=thunderbird
-      exec-once=webcord
-      exec-once=wl-paste --watch cliphist store
-      exec-once=gnome-keyring-daemon --start --components=secrets
-    '' + builtins.readFile ./hyprland.conf;
+    extraConfig =
+      ''
+        exec-once=env XDG_CACHE_HOME=/tmp eww open bar
+        exec-once=${pkgs.swaybg}/bin/swaybg -i ~/Pictures/wallpapers/kai-oberhauser-unsplash.jpg
+        exec-once=mako
+        exec-once=element-desktop
+        exec-once=thunderbird
+        exec-once=webcord
+        exec-once=wl-paste --watch cliphist store
+        exec-once=gnome-keyring-daemon --start --components=secrets
+      ''
+      + builtins.readFile ./hyprland.conf;
   };
 }
diff --git a/hosts/neodymium/home/xdg/default.nix b/hosts/neodymium/home/xdg/default.nix
index 24a3f0f..fd39b94 100644
--- a/hosts/neodymium/home/xdg/default.nix
+++ b/hosts/neodymium/home/xdg/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   xdg.mimeApps = {
     enable = true;
 
diff --git a/hosts/neodymium/services/borgbackup/default.nix b/hosts/neodymium/services/borgbackup/default.nix
index 583bbce..e4a686d 100644
--- a/hosts/neodymium/services/borgbackup/default.nix
+++ b/hosts/neodymium/services/borgbackup/default.nix
@@ -1,4 +1,4 @@
-{ config, ... }: {
+{config, ...}: {
   services.borgbackup.jobs.home = {
     paths = "/home/laurent/";
     repo = "/mnt/home_backup";
@@ -30,7 +30,7 @@
       passCommand = "cat ${config.age.secrets.borgbackup.path}";
     };
     compression = "auto,zstd";
-    startAt = [ ];
+    startAt = [];
   };
   services.borgbackup.jobs.keepass = {
     paths = "/home/laurent/Documents/db_mdp.kdbx";
diff --git a/hosts/neodymium/services/default.nix b/hosts/neodymium/services/default.nix
index 25ab436..e307211 100644
--- a/hosts/neodymium/services/default.nix
+++ b/hosts/neodymium/services/default.nix
@@ -1 +1,6 @@
-{ ... }: { imports = [ ./borgbackup ./greetd ]; }
+{...}: {
+  imports = [
+    ./borgbackup
+    ./greetd
+  ];
+}
diff --git a/hosts/neodymium/services/greetd/default.nix b/hosts/neodymium/services/greetd/default.nix
index eaec9cc..93c1420 100644
--- a/hosts/neodymium/services/greetd/default.nix
+++ b/hosts/neodymium/services/greetd/default.nix
@@ -1,11 +1,10 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   services.greetd = {
     enable = true;
 
     settings = {
       default_session = {
-        command =
-          "${pkgs.greetd.tuigreet}/bin/tuigreet --time --cmd Hyprland"; # TODO: use nix pkgs
+        command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --cmd Hyprland"; # TODO: use nix pkgs
         user = "greeter";
       };
     };
diff --git a/hosts/neodymium/system/adb/default.nix b/hosts/neodymium/system/adb/default.nix
index c8f9736..01fbd94 100644
--- a/hosts/neodymium/system/adb/default.nix
+++ b/hosts/neodymium/system/adb/default.nix
@@ -1,7 +1,7 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   # udev rules
-  services.udev.packages = [ pkgs.android-udev-rules ];
+  services.udev.packages = [pkgs.android-udev-rules];
 
   # adb users
-  users.users.laurent.extraGroups = [ "adbusers" ];
+  users.users.laurent.extraGroups = ["adbusers"];
 }
diff --git a/hosts/neodymium/system/age/default.nix b/hosts/neodymium/system/age/default.nix
index 7b0b5d7..8d17281 100644
--- a/hosts/neodymium/system/age/default.nix
+++ b/hosts/neodymium/system/age/default.nix
@@ -1,8 +1,8 @@
-{ ... }: {
+{...}: {
   age.secrets.borgbackup = {
     file = "/home/laurent/infrastructure/secrets/borgbackup.age";
     owner = "laurent";
     group = "users";
   };
-  age.identityPaths = [ "/home/laurent/.ssh/id_ed25519" ];
+  age.identityPaths = ["/home/laurent/.ssh/id_ed25519"];
 }
diff --git a/hosts/neodymium/system/audio/default.nix b/hosts/neodymium/system/audio/default.nix
index 0edf1d4..e04ca2b 100644
--- a/hosts/neodymium/system/audio/default.nix
+++ b/hosts/neodymium/system/audio/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   services.pipewire = {
     enable = true;
     alsa.enable = true;
diff --git a/hosts/neodymium/system/boot/default.nix b/hosts/neodymium/system/boot/default.nix
index 58d064e..cd2e97d 100644
--- a/hosts/neodymium/system/boot/default.nix
+++ b/hosts/neodymium/system/boot/default.nix
@@ -1,6 +1,10 @@
-{ pkgs, config, ... }: {
+{
+  pkgs,
+  config,
+  ...
+}: {
   # support for mounting windaube partitions
-  boot.supportedFilesystems = [ "ntfs" ];
+  boot.supportedFilesystems = ["ntfs"];
   boot.loader.efi.canTouchEfiVariables = true;
 
   # clean /tmp at each boot
@@ -9,12 +13,12 @@
   # use latest kernel
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
-  imports = [ ./lanzaboot.nix ];
-
-  boot.initrd.availableKernelModules =
-    [ "nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-amd" "v4l2loopback" ];
-  boot.extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback ];
+  imports = [
+    ./lanzaboot.nix
+  ];
 
+  boot.initrd.availableKernelModules = ["nvme" "xhci_pci" "ahci" "usb_storage" "usbhid" "sd_mod"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-amd" "v4l2loopback"];
+  boot.extraModulePackages = with config.boot.kernelPackages; [v4l2loopback];
 }
diff --git a/hosts/neodymium/system/boot/lanzaboot.nix b/hosts/neodymium/system/boot/lanzaboot.nix
index 4b695d2..72dd6e0 100644
--- a/hosts/neodymium/system/boot/lanzaboot.nix
+++ b/hosts/neodymium/system/boot/lanzaboot.nix
@@ -1,4 +1,4 @@
-{ lib, ... }: {
+{lib, ...}: {
   # This should already be here from switching to bootspec earlier.
   # It's not required anymore, but also doesn't do any harm.
   boot.bootspec.enable = true;
diff --git a/hosts/neodymium/system/default.nix b/hosts/neodymium/system/default.nix
index 09041e7..06170ce 100644
--- a/hosts/neodymium/system/default.nix
+++ b/hosts/neodymium/system/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave
diff --git a/hosts/neodymium/system/docker/default.nix b/hosts/neodymium/system/docker/default.nix
index 0250cb3..9124cea 100644
--- a/hosts/neodymium/system/docker/default.nix
+++ b/hosts/neodymium/system/docker/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   virtualisation.podman = {
     enable = true;
 
diff --git a/hosts/neodymium/system/fonts/default.nix b/hosts/neodymium/system/fonts/default.nix
index 0b06e4e..57362a4 100644
--- a/hosts/neodymium/system/fonts/default.nix
+++ b/hosts/neodymium/system/fonts/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   fonts.packages = with pkgs; [
     # https://notofonts.github.io/
     noto-fonts # standard characters
@@ -11,6 +11,6 @@
     fira-code-symbols # unicode ligature glyphs
 
     # https://github.com/ryanoasis/nerd-fonts
-    (nerdfonts.override { fonts = [ "FiraCode" ]; })
+    (nerdfonts.override {fonts = ["FiraCode"];})
   ];
 }
diff --git a/hosts/neodymium/system/hardware/default.nix b/hosts/neodymium/system/hardware/default.nix
index 7c73ed8..93d2b7f 100644
--- a/hosts/neodymium/system/hardware/default.nix
+++ b/hosts/neodymium/system/hardware/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   # hardware
   hardware = {
     enableRedistributableFirmware = true;
@@ -30,5 +30,7 @@
   programs.light.enable = true;
 
   # paritions and filesystems
-  imports = [ ./partitions.nix ];
+  imports = [
+    ./partitions.nix
+  ];
 }
diff --git a/hosts/neodymium/system/hardware/partitions.nix b/hosts/neodymium/system/hardware/partitions.nix
index c258002..7f31605 100644
--- a/hosts/neodymium/system/hardware/partitions.nix
+++ b/hosts/neodymium/system/hardware/partitions.nix
@@ -1,21 +1,22 @@
-{ config, lib, ... }:
-
 {
+  config,
+  lib,
+  ...
+}: {
   fileSystems."/" = {
     device = "/dev/disk/by-uuid/b0ea5f1f-104f-4026-840a-4d46f3e827d1";
     fsType = "btrfs";
-    options = [ "subvol=nixos" ];
+    options = ["subvol=nixos"];
   };
 
-  boot.initrd.luks.devices."nixenc".device =
-    "/dev/disk/by-uuid/93d0b0d8-b586-48cf-acc2-025fba1eaadb";
+  boot.initrd.luks.devices."nixenc".device = "/dev/disk/by-uuid/93d0b0d8-b586-48cf-acc2-025fba1eaadb";
 
   fileSystems."/boot" = {
     device = "/dev/disk/by-uuid/6D10-BBAF";
     fsType = "vfat";
   };
 
-  swapDevices = [ ];
+  swapDevices = [];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.amd.updateMicrocode =
diff --git a/hosts/neodymium/system/i18n/default.nix b/hosts/neodymium/system/i18n/default.nix
index d802dc9..90f1921 100644
--- a/hosts/neodymium/system/i18n/default.nix
+++ b/hosts/neodymium/system/i18n/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   # FRANCE 🇫🇷 🥖 🥐
   time.timeZone = "Europe/Paris";
 
diff --git a/hosts/neodymium/system/networking/default.nix b/hosts/neodymium/system/networking/default.nix
index 362da7d..dcfd873 100644
--- a/hosts/neodymium/system/networking/default.nix
+++ b/hosts/neodymium/system/networking/default.nix
@@ -1,9 +1,9 @@
-{ lib, ... }: {
+{lib, ...}: {
   # the name of the machine
   networking.hostName = "neodymium";
 
   # domain name servers, use clouflare family
-  networking.nameservers = [ "1.1.1.2" "1.0.0.2" ];
+  networking.nameservers = ["1.1.1.2" "1.0.0.2"];
 
   # use networkManager, see nmcli
   networking.networkmanager.enable = true;
@@ -12,8 +12,8 @@
   networking.firewall = {
     enable = true;
 
-    allowedTCPPorts = [ ];
-    allowedUDPPorts = [ ];
+    allowedTCPPorts = [];
+    allowedUDPPorts = [];
   };
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
diff --git a/hosts/neodymium/system/nix/default.nix b/hosts/neodymium/system/nix/default.nix
index 3cb3997..066d116 100644
--- a/hosts/neodymium/system/nix/default.nix
+++ b/hosts/neodymium/system/nix/default.nix
@@ -1,9 +1,15 @@
-{ lib, pkgs, nixpkgs, ... }: {
+{
+  lib,
+  pkgs,
+  nixpkgs,
+  ...
+}: {
   # restrict nix command to sudoers
-  nix.settings.allowed-users = [ "@wheel" ];
+  nix.settings.allowed-users = ["root" "@wheel"];
+  nix.settings.trusted-users = ["root" "@wheel"];
 
   # experimental features
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  nix.settings.experimental-features = ["nix-command" "flakes"];
 
   # limit number of cores when building
   nix.settings.max-jobs = 6;
@@ -18,16 +24,6 @@
     options = "--delete-older-than 30d";
   };
 
-  # binary caches
-  nix.settings = {
-    substituters =
-      [ "https://hyprland.cachix.org" "https://nix-community.cachix.org" ];
-    trusted-public-keys = [
-      "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
-      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-    ];
-  };
-
   # pin nixpkgs registry
   nix.registry.nixpkgs.flake = nixpkgs;
 
@@ -43,7 +39,7 @@
 
   # print diff between two generations
   system.activationScripts.nvd-report-changes = ''
-    PATH=$PATH:${lib.makeBinPath [ pkgs.nvd pkgs.nix ]}
+    PATH=$PATH:${lib.makeBinPath [pkgs.nvd pkgs.nix]}
     nvd diff $(ls -dv /nix/var/nix/profiles/system-*-link | tail -2)
   '';
 }
diff --git a/hosts/neodymium/system/security/default.nix b/hosts/neodymium/system/security/default.nix
index 0c05d44..8a05d96 100644
--- a/hosts/neodymium/system/security/default.nix
+++ b/hosts/neodymium/system/security/default.nix
@@ -1,4 +1,4 @@
-{ ... }: {
+{...}: {
   # enable polkit
   security.polkit.enable = true;
 
@@ -13,5 +13,5 @@
   services.gnome.gnome-keyring.enable = true;
 
   # allow swaylock to use pam
-  security.pam.services.swaylock = { };
+  security.pam.services.swaylock = {};
 }
diff --git a/hosts/neodymium/system/users/default.nix b/hosts/neodymium/system/users/default.nix
index 74bfdd7..7970487 100644
--- a/hosts/neodymium/system/users/default.nix
+++ b/hosts/neodymium/system/users/default.nix
@@ -1,4 +1,8 @@
-{ pkgs, hyprland, ... }: {
+{
+  pkgs,
+  hyprland,
+  ...
+}: {
   # disable user creation/deletion
   users.mutableUsers = false;
 
@@ -6,7 +10,7 @@
   home-manager = {
     useGlobalPkgs = true;
     useUserPackages = true;
-    extraSpecialArgs = { inherit hyprland; };
+    extraSpecialArgs = {inherit hyprland;};
   };
 
   # configure users
@@ -15,7 +19,7 @@
     users.laurent = {
       isNormalUser = true;
       initialPassword = "laurent";
-      extraGroups = [ "wheel" "video" "docker" ];
+      extraGroups = ["wheel" "video" "docker"];
       shell = pkgs.zsh;
     };
   };
diff --git a/secrets/secrets.nix b/secrets/secrets.nix
index 401d8c5..52a3227 100644
--- a/secrets/secrets.nix
+++ b/secrets/secrets.nix
@@ -1,9 +1,7 @@
 let
-  neodymium =
-    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINTvwXCT99s1EwOCeGQ28jyCAH/RBoLZza9k5I7wWdEu laurent@neodymium";
-  hydrogen =
-    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAxh42mMYqftTU7WtfktZbkdMI07VuH7mhUv3m2Ca3fV root@hydrogen";
+  neodymium = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINTvwXCT99s1EwOCeGQ28jyCAH/RBoLZza9k5I7wWdEu laurent@neodymium";
+  hydrogen = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAxh42mMYqftTU7WtfktZbkdMI07VuH7mhUv3m2Ca3fV root@hydrogen";
 in {
-  "borgbackup.age".publicKeys = [ neodymium ];
-  "gitea.age".publicKeys = [ neodymium hydrogen ];
+  "borgbackup.age".publicKeys = [neodymium];
+  "gitea.age".publicKeys = [neodymium hydrogen];
 }