feat(hm): cpu usage now works on tmux

c_.nix

@@ -1,111 +0,0 @@
-# a small helper that only builds on top of builtins functions
-_: (builtins // (
-  let
-    formatSecondsSinceEpoch = t:
-      let
-        rem = x: y: x - x / y * y;
-        days = t / 86400;
-        secondsInDay = rem t 86400;
-        hours = secondsInDay / 3600;
-        minutes = (rem secondsInDay 3600) / 60;
-        seconds = rem t 60;
-
-        # Courtesy of https://stackoverflow.com/a/32158604.
-        z = days + 719468;
-        era = (if z >= 0 then z else z - 146096) / 146097;
-        doe = z - era * 146097;
-        yoe = (doe - doe / 1460 + doe / 36524 - doe / 146096) / 365;
-        y = yoe + era * 400;
-        doy = doe - (365 * yoe + yoe / 4 - yoe / 100);
-        mp = (5 * doy + 2) / 153;
-        d = doy - (153 * mp + 2) / 5 + 1;
-        m = mp + (if mp < 10 then 3 else -9);
-        y' = y + (if m <= 2 then 1 else 0);
-
-        pad = s: if builtins.stringLength s < 2 then "0" + s else s;
-      in
-      "${toString y'}${pad (toString m)}${pad (toString d)}${pad (toString hours)}"
-        + "${pad (toString minutes)}${pad (toString seconds)}";
-
-    fetchTree =
-      # this is the value of flake.lock#lock.nodes.${input_name}.locked
-      { type
-      , host ? ""
-      , owner ? ""
-      , repo ? ""
-      , rev ? ""
-      , submodules ? ""
-      , path ? ""
-      , narHash ? null
-      , lastModified ? 0
-      , src ? ./.
-      }@info:
-      if info.type == "github" then
-        {
-          outPath =
-            fetchTarball
-              ({
-                url = "https://api.${info.host or "github.com"}/repos/"
-                  + "${info.owner}/${info.repo}/tarball/${info.rev}";
-              }
-              // (if info ? narHash then { sha256 = info.narHash; } else { })
-              );
-          rev = info.rev;
-          shortRev = builtins.substring 0 7 info.rev;
-          lastModified = info.lastModified;
-          lastModifiedDate = formatSecondsSinceEpoch info.lastModified;
-          narHash = info.narHash;
-        }
-      else if info.type == "git" then
-        {
-          outPath =
-            builtins.fetchGit
-              ({ url = info.url; }
-                // (if info ? rev then { inherit (info) rev; } else { })
-                // (if info ? ref then { inherit (info) ref; } else { })
-                // (if info ? submodules then { inherit (info) submodules; } else { })
-              );
-          lastModified = info.lastModified;
-          lastModifiedDate = formatSecondsSinceEpoch info.lastModified;
-          narHash = info.narHash;
-        } // (if info ? rev then {
-          rev = info.rev;
-          shortRev = builtins.substring 0 7 info.rev;
-        } else { })
-      else if info.type == "path" then
-        {
-          outPath = builtins.path {
-            path =
-              if builtins.substring 0 1 info.path != "/"
-              then src + ("/" + info.path)  # make this absolute path by prepending ./
-              else info.path; # it's already an absolute path
-          };
-          narHash = info.narHash;
-        }
-      else if info.type == "tarball" then
-        {
-          outPath =
-            fetchTarball
-              ({ inherit (info) url; }
-                // (if info ? narHash then { sha256 = info.narHash; } else { })
-              );
-        }
-      else if info.type == "gitlab" then
-        {
-          inherit (info) rev narHash lastModified;
-          outPath =
-            fetchTarball
-              ({ url = "https://${info.host or "gitlab.com"}/api/v4/projects/${info.owner}%2F${info.repo}/repository/archive.tar.gz?sha=${info.rev}"; }
-                // (if info ? narHash then { sha256 = info.narHash; } else { })
-              );
-          shortRev = builtins.substring 0 7 info.rev;
-        }
-      else
-      # FIXME: add Mercurial, tarball inputs.
-        throw "flake input has unsupported input type '${info.type}'";
-  in
-  {
-    inherit fetchTree;
-  }
-)) nil
-

dev-shell.nix

@@ -15,6 +15,8 @@
     pkgs.rust4cargo
     pkgs.sops
     pkgs.ssh-to-age
+    pkgs.go
+    pkgs.gopls
   ];
 
   shellHook = ''

flake.nix

@@ -6,123 +6,36 @@
   };
   description = "My personal configuration in Nix (and some native configurations)";
   inputs = {
-    nixpkgs.url = "nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
-    # continously merged & rebased lightweight .lib. Basically a huge extension to c_.
+    deploy-rs.url = "github:serokell/deploy-rs";
-    nixlib.url = "github:nix-community/nixpkgs.lib";
+    std.url = "github:divnix/std";
-    agenix = {
+    hive.url = "github:divnix/hive";
-      url = "github:ryantm/agenix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-    home-manager = {
-      url = "github:nix-community/home-manager";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-    flake-utils.url = "github:numtide/flake-utils";
-    nixgl.url = "path:out-of-tree/nixGL";
-    rust-overlay.url = "github:oxalica/rust-overlay";
-    # Allows default.nix to call onto flake.nix. Useful for nix eval and automations
-    flake-compat = {
-      url = "path:out-of-tree/flake-compat";
-      flake = false;
-    };
-    kpcli-py = {
-      url = "github:rebkwok/kpcli";
-      flake = false;
-    };
-    neovim-nightly-overlay = {
-      url = "github:nix-community/neovim-nightly-overlay";
-      inputs.nixpkgs.url = "github:nixos/nixpkgs?rev=fad51abd42ca17a60fc1d4cb9382e2d79ae31836";
-    };
-    nix-index-database = {
-      url = "github:mic92/nix-index-database";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-    nickel.url = "github:tweag/nickel";
-    nix-boost.url = "git+https://git.pegasust.com/pegasust/nix-boost.git";
   };
 
-  outputs =
+  outputs = { std, hive, ... }@inputs: std.growOn
-    { nixpkgs
-    , agenix
-    , home-manager
-    , flake-utils
-    , nixgl
-    , rust-overlay
-    , flake-compat
-    , neovim-nightly-overlay
-    , nix-index-database
-    , nixlib
-    , nickel
-    , ...
-    }@_inputs:
-    let
-      # config_fn:: system -> config
-      # this function should take simple exports of homeConfigurations.${profile}, 
-      # nixosConfigurations.${profile}, devShells.${profile}, packages.${profile}
-      # and correctly produce 
-      supported_systems = flake-utils.lib.defaultSystems;
-      forEachSystem = nixpkgs.lib.genAttrs supported_systems;
-    in
-    let
-      proj_root =
-        let
-          path = builtins.toString ./.;
-        in
-        {
-          inherit path;
-          configs.path = "${path}/native_configs";
-          scripts.path = "${path}/scripts";
-          secrets.path = "${path}/secrets";
-          testdata.path = "${path}/tests";
-          modules.path = "${path}/modules";
-          hosts.path = "${path}/hosts";
-          users.path = "${path}/users";
-        };
-      overlays = forEachSystem (system: import ./overlays.nix (_inputs // { inherit system; }));
-      pkgs = forEachSystem (system: (import nixpkgs {
-        inherit system;
-        overlays = overlays.${system};
-        config = {
-          allowUnfree = true;
-        };
-      }));
-      lib = (builtins.foldl' (lhs: rhs: (nixpkgs.lib.recursiveUpdate lhs rhs)) { } [
-        nixpkgs.lib
-        nixlib.lib
-      ]);
-      inputs_w_lib = forEachSystem (
-        system: lib.recursiveUpdate _inputs {
-          inherit system lib;
-          pkgs = pkgs.${system};
-        }
-      );
-
-      modules = (import ./modules inputs_w_lib);
-      hosts = (import ./hosts inputs_w_lib);
-      users = (import ./users inputs_w_lib);
-
-      # {nixpkgs, agenix, home-manager, flake-utils, nixgl, rust-overlay, flake-compat
-      # ,pkgs, lib (extended), proj_root}
-      final_inputs = inputs_w_lib;
-    in
     {
-      inherit (hosts) nixosConfigurations;
+      # boilerplate
-      inherit (users) homeConfigurations;
+      inherit inputs;
-      inherit lib proj_root;
+      # All cell blocks are under ./nix/cells/<cell>/<cellblock> as `<cellblock>.nix`
-      devShells = forEachSystem (system:
+      # or `<cellblock/default.nix`
-        {default = (import ./dev-shell.nix final_inputs.${system});}
+      cellsFrom = ./nix/cells;
-      );
+      modules = ./nix/modules;
-      templates = forEachSystem (system: import ./templates final_inputs.${system});
-      secrets = {
-        pubKeys = {
-          hosts = hosts.pubKeys;
-          users = users.pubKeys;
-        };
-      };
 
-      debug = {
+      cellBlocks =
-        inherit final_inputs hosts users modules lib inputs_w_lib pkgs nixpkgs nixlib;
+        let
-      };
+          inherit (std.blockTypes) devShells;
-      # formatter."${system}" = pkgs.nixpkgs-fmt;
+          inherit (hive.blockTypes) nixosConfigurations homeConfigurations;
+        in
+        [
+          (devShells "devshells")
+          (nixosConfigurations "host_profile")
+          (homeConfigurations "home_profile")
+
+        ];
+    }
+    {
+      devShells = std.harvest [ [ "dotfiles" "devshells" ] ];
+      nixosConfigurations = std.harvest [ [ "dotfiles" "nixos" ] ];
+      homeConfigurations = std.harvest [ [ "dotfiles" "home" ] ];
     };
 }

native_configs/neovim/init.lua

@@ -147,13 +147,13 @@ vim.opt.scrolloff = 30;
 vim.opt.signcolumn = "yes";
 vim.opt.colorcolumn = "80";
 
-vim.opt.background = "light";
+vim.opt.background = "dark";
 
 vim.api.nvim_create_user_command('Dark', function(opts)
         -- opts: {name, args: str, fargs: Splited<str>, range, ...}
         ---@type string
-        local contrast = (opts.args and string.len(opts.args) > 0) and opts.args or vim.g.gruvbox_contrast_dark;
+        local contrast = (opts.args and string.len(opts.args) > 0) and opts.args or vim.g.gruvbox_contrast_light;
-        vim.g.gruvbox_contrast_dark = contrast;
+         = contrast;
         vim.opt.background = "dark";
     end,
     { nargs = "?", })
@@ -616,7 +616,7 @@ require("mason").setup({
         },
         check_outdated_packages_on_open = true,
     },
-    -- The default settings is "prepend" https://github.com/williamboman/mason.nvim#default-configuration
+    -- NOTE: The default settings is "prepend" https://github.com/williamboman/mason.nvim#default-configuration
     -- Which means Mason's installed path is prioritized against our local install
     -- see: https://git.pegasust.com/pegasust/aoc/commit/b45dc32c74d84c9f787ebce7a174c9aa1d411fc2
     -- This introduces some pitfalls, so we'll take the approach of trusting user's local installation

native_configs/ssh/config

@@ -88,6 +88,11 @@ Host dev0
     User htran
     Port 22
 
+Host dev2
+    HostName 10.100.200.210
+    User htran
+    Port 22
+
 Host dev1
     HostName 10.100.200.220
     User htran

native_configs/tmux/tmux.conf

@@ -18,7 +18,6 @@ set-option -g renumber-windows on
 # set -g status-interval 60
 # set -g status-right-style 'bg=#333333 fg=#5eacd3'
 # set -g status-right-length 50
-set -g status-right '#{cpu_bg_color} CPU: #{cpu_icon} #{cpu_percentage} | %a %h-%d %H:%M '
 # set -g status-left " "
 
 # Keybinds

nix-conf/home-manager/base/neovim.nix

@@ -42,6 +42,7 @@ let
     pkgs.nodePackages.pyright
     pkgs.python3Packages.pylint
     pkgs.python3Packages.flake8
+    # FIXME: installing ansible from here just doesn't work :/
     # pkgs.ansible-lint
     # pkgs.python38Packages.ansible
     # pkgs.ansible-language-server
@@ -51,7 +52,10 @@ let
     # pkgs.rust-analyzer
     # rust_pkgs
     # pkgs.evcxr # Rust REPL for Conjure!
-  ];
+  ] ++ lib.optionals (pkgs.stdenv.isDarwin) (let 
+    inherit (pkgs.darwin.apple_sdk.frameworks) System CoreFoundation; in [
+    System CoreFoundation pkgs.cc
+  ]);
 in
 {
   options.base.neovim = {

nix-conf/home-manager/base/shells.nix

@@ -52,11 +52,13 @@ in
     };
     programs.tmux = {
       enable = true;
-      configBeforePlugin = builtins.readFile "${proj_root.config.path}/tmux/tmux.conf";
+      # extraConfigBeforePlugin = builtins.readFile "${proj_root.config.path}/tmux/tmux.conf";
-      plugins =
+      plugins = let inherit (pkgs.tmuxPlugins) cpu net-speed; in [ cpu net-speed ];
-        let inherit (pkgs.tmuxPlugins) cpu net-speed;
+      extraConfig = (builtins.readFile "${proj_root.config.path}/tmux/tmux.conf");
-        in [ cpu net-speed ];
     };
+    xdg.configFile."tmux/tmux.conf".text = myLib.mkOrder 600 ''
+      set -g status-right '#{cpu_bg_color} CPU: #{cpu_icon} #{cpu_percentage} | %a %h-%d %H:%M '
+    '';
     programs.exa = {
       enable = true;
       enableAliases = true;

nix-conf/home-manager/flake.nix

@@ -16,7 +16,7 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     home-manager = {
-      url = "github:Pegasust/home-manager";
+      url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     flake-utils.url = "github:numtide/flake-utils";
@@ -35,7 +35,7 @@
     neovim-nightly-overlay = {
       url = "github:nix-community/neovim-nightly-overlay";
       # Pin to a nixpkgs revision that doesn't have NixOS/nixpkgs#208103 yet
-      inputs.nixpkgs.url = "github:nixos/nixpkgs?rev=fad51abd42ca17a60fc1d4cb9382e2d79ae31836";
+      # inputs.nixpkgs.url = "github:nixos/nixpkgs?rev=fad51abd42ca17a60fc1d4cb9382e2d79ae31836";
     };
     nix-index-database = {
       url = "github:mic92/nix-index-database";
@@ -202,6 +202,7 @@
                 ];
               }
               nerd_font_module
+              { base.keepass.enable = pkgs.lib.mkForce false; }
             ];
             extraSpecialArgs = mkModuleArgs {
               inherit pkgs;

nix-conf/home-manager/home.nix

@@ -37,7 +37,7 @@ in
     # pkgs.xorg.xclock # TODO: only include if have gui # For testing GL installation
     # pkgs.logseq # TODO: only include if have GL # Obsidian alt
     pkgs.mosh # Parsec for SSH
-    pkgs.nixops_unstable # nixops v2 # insecure for now
+    # pkgs.nixops_unstable # nixops v2 # insecure for now
     pkgs.lynx # Web browser at your local terminal
     pkgs.zk
 

nix/cells/dotfiles/devshells.nix

@@ -0,0 +1,8 @@
+{inputs, cells}: let 
+  inherit (inputs) std nixpkgs;
+
+in {
+  default = std.lib.dev.mkShell {
+    name = nixpkgs.lib.
+  };
+}

out-of-tree/nixGL/fetch.py

@@ -1,65 +1,81 @@
 #!/usr/bin/env python3
-import urllib3
+# execution: fetch.py >nvidia_versions.json
+
+import http.client
 import json
+import sys
 
-http = urllib3.PoolManager()
+NV_FREE_X86_URL = "download.nvidia.com"
-dl_dir = http.request("GET", "https://download.nvidia.com/XFree86/Linux-x86_64/")
+POTENTIAL_SHA256_EXTS = [".sha256sum", ".sha256"]
+RIGHT_PAD = " " * 20
 
-# print(f"{dl_dir.status=}\n{dl_dir.data=}")
+conn = http.client.HTTPSConnection(NV_FREE_X86_URL)
+conn.request("GET", "/XFree86/Linux-x86_64/")
+response = conn.getresponse()
+dir_html = response.read()
 
-assert (dl_dir.status < 400), "Error probably occurred"
+assert (response.status < 400), "Error occurred fetching for source from"
 
-def find_versions(dir_html: bytes) -> list[str]:
+def scrape_driver_versions(dir_html: bytes):
-    # this algorithm obviously need recursion because we need to discover the items
+    # The idea is to recursively follows all interesting `src` from `<a href={src}>`
-    def _rec(dir_html: bytes, start: int = 0, so_far: list[str] = []) -> list[str]:
+    def _rec(dir_html: bytes, href_url_start: int = 0, so_far: list[str] = []) -> list[str]:
         MATCH_START = b"<span class=\'dir\'><a href=\'"
-        potential_start = dir_html.find(MATCH_START, start)
+        href_url_start = dir_html.find(MATCH_START, href_url_start)
-        if potential_start == -1:
+        if href_url_start == -1: # EOF
             return so_far
-        # check that it starts with a number
+
-        potential_version_start = potential_start + len(MATCH_START)
+        # version href should start with a number
+        potential_version_start = href_url_start + len(MATCH_START)
         p = potential_version_start
         if not (dir_html[p: p+1].decode().isnumeric()):
             return _rec(dir_html, potential_version_start, so_far)
 
-        # this thing matches, add to so_far and continue
         version_end = dir_html.find(b"/", potential_version_start)
-        assert version_end != -1, "There should be matching /"
+        assert version_end != -1, "Should have end-signaling /"
         so_far.append(dir_html[potential_version_start:version_end].decode())
         return _rec(dir_html, version_end, so_far)
-    return _rec(dir_html, 0, [])
-    
-versions = find_versions(dl_dir.data)
-# print("\n".join(versions))
 
-download_urls = lambda ver: [f"https://download.nvidia.com/XFree86/Linux-x86_64/{ver}/NVIDIA-Linux-x86_64-{ver}.run"]
+    versions = _rec(dir_html, 0, [])
-sha256_urls = lambda ver: [f"{url}{dl_ext}" for dl_ext in [".sha256sum", ".sha256"] for url in download_urls(ver)]
+    num_versions = len(versions)
-def req_monad(url: str, err_fn, then_fn):
+    for i, version in enumerate(versions):
-    res = http.request("GET", url)
+        print(f"[{i+1}/{num_versions}] Processing version {version}{RIGHT_PAD}", end="\r", file=sys.stderr)
-    if res.status >= 400:
+        yield version
-        return err_fn(res.status)
+    print()
-    return then_fn(res.data)
 
-identity = lambda e: e
+versions = scrape_driver_versions(dir_html)
-none_id = lambda _: None
 
-def get_sha256(version: str) -> str | None:
+download_urls_of = lambda ver: [f"/XFree86/Linux-x86_64/{ver}/NVIDIA-Linux-x86_64-{ver}.run"]
-    for url in sha256_urls(version):
+sha256_urls_of = lambda ver: [
-        res = http.request("GET", url)
+    f"{url}{dl_ext}" 
-        # print(f"attempting: {url}")
+    for dl_ext in POTENTIAL_SHA256_EXTS 
-        if res.status < 400:
+    for url in download_urls_of(ver)
-            return res.data.decode().split()[0]
+]
+
+def sha256_of(version: str) -> str | None:
+    if int(version.split(".")[0]) < 256:
+        # Has 3 different packages that we should probably not bother
+        return None
+    for url in sha256_urls_of(version):
+        conn = http.client.HTTPSConnection(NV_FREE_X86_URL)
+        conn.request("GET", url)
+        response = conn.getresponse()
+        if response.status < 400:
+            return response.read().decode().split()[0]
+    print(f"No sha256 for {version}{RIGHT_PAD}", file=sys.stderr)
     return None
-fetch_data = [(v, download_urls(v)[0], get_sha256(v)) for v in versions]
-fetch_data.append(("latest", *fetch_data[-1][1:]))
 
-# print(fetch_data)
+def fetch(version: str):
+    dl_url = download_urls_of(version)[0]
+    sha256 = sha256_of(version)
+    return (version, dl_url, sha256)
+
+fetch_data = [fetch(v) for v in versions]
+fetch_data.append(("latest", *fetch_data[-1][1:]))
 
 # now print the JSON object
 print(json.dumps({
     version: {
-        "url": dl_url, 
+        "url": f"https://{NV_FREE_X86_URL}{dl_url}", 
         "sha256": sha256
     } for (version, dl_url, sha256) in fetch_data if sha256 is not None}, indent=4))
-# execution: fetch.py >nvidia_versions.json
 

out-of-tree/nixGL/flake.nix

@@ -27,6 +27,7 @@
           nixGLIntel = pkgs.nixGLIntel;
           nixVulkanNvidia = pkgs.auto.nixVulkanNvidia;
           nixVulkanIntel = pkgs.nixVulkanIntel;
+
         };
 
         # deprecated attributes for retro compatibility

out-of-tree/nixGL/nvidia_versions.json

@@ -1,3 +1,4 @@
+
 {
     "256.25": {
         "url": "https://download.nvidia.com/XFree86/Linux-x86_64/256.25/NVIDIA-Linux-x86_64-256.25.run",
@@ -539,6 +540,10 @@
         "url": "https://download.nvidia.com/XFree86/Linux-x86_64/470.161.03/NVIDIA-Linux-x86_64-470.161.03.run",
         "sha256": "5da82a7f8c76e781e7d7f0be7b798db4d344f26bd4facf9abcf3c71c71fe7640"
     },
+    "470.182.03": {
+        "url": "https://download.nvidia.com/XFree86/Linux-x86_64/470.182.03/NVIDIA-Linux-x86_64-470.182.03.run",
+        "sha256": "3dbc1408fc48b865d3ddacefc45f4a3fc13b90b83a628ee546b0082ab2c3fc79"
+    },
     "510.108.03": {
         "url": "https://download.nvidia.com/XFree86/Linux-x86_64/510.108.03/NVIDIA-Linux-x86_64-510.108.03.run",
         "sha256": "410a515e78df29c2cba4ac0b497889ce0ff1b04cfc711ff889e2dfc80f0da0d8"
@@ -547,6 +552,10 @@
         "url": "https://download.nvidia.com/XFree86/Linux-x86_64/515.86.01/NVIDIA-Linux-x86_64-515.86.01.run",
         "sha256": "141777e1ca2f11e97d8d33260213f1be327eb73922ae22f4ddab404bb2ef4664"
     },
+    "515.105.01": {
+        "url": "https://download.nvidia.com/XFree86/Linux-x86_64/515.105.01/NVIDIA-Linux-x86_64-515.105.01.run",
+        "sha256": "9dd2221f26c847c864dfe80cc8533f322c5f4dfaa2939cf54a934b8f7a2f6a0d"
+    },
     "525.53": {
         "url": "https://download.nvidia.com/XFree86/Linux-x86_64/525.53/NVIDIA-Linux-x86_64-525.53.run",
         "sha256": "74bb0971f04f1dddd3c4641c891706fb96e8de52e22f6079e50de76d3a51687f"
@@ -563,8 +572,28 @@
         "url": "https://download.nvidia.com/XFree86/Linux-x86_64/525.78.01/NVIDIA-Linux-x86_64-525.78.01.run",
         "sha256": "43da42d2bf69bc37ea9c7c0fa02f52db0dcc483c272f52edacad89a5cb495a93"
     },
+    "525.85.05": {
+        "url": "https://download.nvidia.com/XFree86/Linux-x86_64/525.85.05/NVIDIA-Linux-x86_64-525.85.05.run",
+        "sha256": "ea63b4253403b224bb7313a8977a920dfe9d203d661dd5f6fc26585a70179140"
+    },
+    "525.89.02": {
+        "url": "https://download.nvidia.com/XFree86/Linux-x86_64/525.89.02/NVIDIA-Linux-x86_64-525.89.02.run",
+        "sha256": "0e412c88c5bd98f842a839a6f64614f20e4c0950ef7cffb12b158a71633593e9"
+    },
+    "525.105.17": {
+        "url": "https://download.nvidia.com/XFree86/Linux-x86_64/525.105.17/NVIDIA-Linux-x86_64-525.105.17.run",
+        "sha256": "c635a21a282c9b53485f19ebb64a0f4b536a968b94d4d97629e0bc547a58142a"
+    },
+    "530.30.02": {
+        "url": "https://download.nvidia.com/XFree86/Linux-x86_64/530.30.02/NVIDIA-Linux-x86_64-530.30.02.run",
+        "sha256": "47fddbbd7a22ba661923dbce6e7f51eec54df68050c406cc0490c3bfbede7963"
+    },
+    "530.41.03": {
+        "url": "https://download.nvidia.com/XFree86/Linux-x86_64/530.41.03/NVIDIA-Linux-x86_64-530.41.03.run",
+        "sha256": "ae27a16a968c85503f5d161dda343c1602612b025f4aee15f92e2ea0acb784b1"
+    },
     "latest": {
-        "url": "https://download.nvidia.com/XFree86/Linux-x86_64/525.78.01/NVIDIA-Linux-x86_64-525.78.01.run",
+        "url": "https://download.nvidia.com/XFree86/Linux-x86_64/530.41.03/NVIDIA-Linux-x86_64-530.41.03.run",
-        "sha256": "43da42d2bf69bc37ea9c7c0fa02f52db0dcc483c272f52edacad89a5cb495a93"
+        "sha256": "ae27a16a968c85503f5d161dda343c1602612b025f4aee15f92e2ea0acb784b1"
     }
 }

overlays.nix

@@ -5,8 +5,9 @@ flake_input@{ kpcli-py
 , system
 , nickel
 , nix-boost
-, ... 
+, ...
-}: let
+}:
+let
   kpcli-py = (final: prev: {
     # use python3.9, which works because of cython somehow?
     kpcli-py = final.poetry2nix.mkPoetryApplication {
@@ -21,8 +22,7 @@ flake_input@{ kpcli-py
           }
         );
         kpcli = super.kpcli.overridePythonAttrs (old: {
-          buildInputs = (old.buildInputs or [ ]) ++ [self.setuptools];
+          buildInputs = (old.buildInputs or [ ]) ++ [ self.setuptools ];
-          src = old.src;
         });
 
         # ubersmith = super.ubersmith.overridePythonAttrs (old: {
@@ -43,7 +43,7 @@ flake_input@{ kpcli-py
     };
   });
 
-  rust = (final: prev: 
+  rust = (final: prev:
     let
       nightlyRustWithExts = exts: final.rust-bin.selectLatestNightlyWith (
         toolchain: (toolchain.minimal.override {
@@ -53,17 +53,19 @@ flake_input@{ kpcli-py
       # https://rust-lang.github.io/rustup/concepts/profiles.html
       rust-default-components = [ "rust-docs" "rustfmt" "clippy" ];
       rust-dev-components = rust-default-components ++ [ "rust-src" "rust-analyzer" "miri" ];
-    in {
+    in
+    {
       rust4devs = nightlyRustWithExts rust-dev-components;
       rust4cargo = nightlyRustWithExts [ ];
       rust4normi = nightlyRustWithExts rust-default-components;
-  });
+    });
 
   nickel = (final: prev: {
     inherit (flake_input.nickel.packages.${system})
       lsp-nls nickel nickelWasm;
   });
-in [
+in
+[
   nix-boost.overlays.default
   nixgl.overlays.default
   rust-overlay.overlays.default