chore: remove dead configuration (#352)

Drop declarations that nothing references, including the incorrect
`attrs.listToAttrs = lib.genAttrs` alias.

hardening/nixpaks/default.nix

@@ -10,10 +10,6 @@ let
       inherit (pkgs) lib;
       inherit pkgs;
     };
-    safeBind = sloth: realdir: mapdir: [
-      (sloth.mkdir (sloth.concat' sloth.appDataDir realdir))
-      (sloth.concat' sloth.homeDir mapdir)
-    ];
   };
   wrapper = _pkgs: path: (_pkgs.callPackage path callArgs);
 in

home/base/core/git.nix

@@ -105,7 +105,4 @@
 
   # Git terminal UI (written in go).
   programs.lazygit.enable = true;
-
-  # Yet another Git TUI (written in rust).
-  programs.gitui.enable = false;
 }

home/linux/gui/base/README.md

@@ -96,7 +96,6 @@ Noctalia consolidates functionality that previously required multiple tools:
 ### System Utilities
 
 - **[`misc.nix`](./misc.nix)**: Misc GUI apps (e-book reader, remote desktop, hardened IM clients)
-- **[`immutable-file.nix`](./immutable-file.nix)**: Immutable file handling
 
 ## Related Documentation
 

home/linux/gui/base/immutable-file.nix

@@ -1,67 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-##############################################################################################
-#
-#  Provide a option `home.immutable-file`, it works like `home.file` but make the generated file immutable.
-#
-#  Copy from https://github.com/iosmanthus/nixos-config/blob/349917b/modules/immutable-file.nix
-#
-#  this module use the `chattr +i` to make the file immutable, `i` indicates `immutable`,
-#  it's a i-node flags only works on Linux.
-#
-#  TODO not used yet, need to test it.
-#
-##############################################################################################
-with lib;
-let
-  cfg = config.home.immutable-file;
-  immutableFileOpts = _: {
-    options = {
-      src = mkOption {
-        type = types.path;
-      };
-      dst = mkOption {
-        type = types.path;
-      };
-    };
-  };
-  mkImmutableFile = pkgs.writeScript "make_immutable_file" ''
-    # $1: dst
-    # $2: src
-    if [ ! -d "$(dirname $1)" ]; then
-      mkdir -p $1
-    fi
-
-    if [ -f $1 ]; then
-        sudo chattr -i $1
-    fi
-
-    sudo cp $2 $1
-    sudo chattr +i $1
-  '';
-in
-{
-  options.home.immutable-file = mkOption {
-    type = with types; attrsOf (submodule immutableFileOpts);
-    default = { };
-  };
-
-  config = mkIf (cfg != { }) {
-    home.activation = mapAttrs' (
-      name:
-      {
-        src,
-        dst,
-      }:
-      nameValuePair "make-immutable-${name}" (
-        lib.hm.dag.entryAfter [ "writeBoundary" ] ''
-          ${mkImmutableFile} ${dst} ${src}
-        ''
-      )
-    ) cfg;
-  };
-}

lib/attrs.nix

@@ -1,47 +0,0 @@
-# https://github.com/NixOS/nixpkgs/blob/master/lib/attrsets.nix
-{ lib, ... }:
-{
-  # Generate an attribute set from a list.
-  #
-  #   lib.genAttrs [ "foo" "bar" ] (name: "x_" + name)
-  #     => { foo = "x_foo"; bar = "x_bar"; }
-  listToAttrs = lib.genAttrs;
-
-  # Update only the values of the given attribute set.
-  #
-  #   mapAttrs
-  #   (name: value: ("bar-" + value))
-  #   { x = "a"; y = "b"; }
-  #     => { x = "bar-a"; y = "bar-b"; }
-  inherit (lib.attrsets) mapAttrs;
-
-  # Update both the names and values of the given attribute set.
-  #
-  #   mapAttrs'
-  #   (name: value: nameValuePair ("foo_" + name) ("bar-" + value))
-  #   { x = "a"; y = "b"; }
-  #     => { foo_x = "bar-a"; foo_y = "bar-b"; }
-  inherit (lib.attrsets) mapAttrs';
-
-  # Merge a list of attribute sets into one. smilar to the operator `a // b`, but for a list of attribute sets.
-  # NOTE: the later attribute set overrides the former one!
-  #
-  #   mergeAttrsList
-  #   [ { x = "a"; y = "b"; } { x = "c"; z = "d"; } { g = "e"; } ]
-  #   => { x = "c"; y = "b"; z = "d"; g = "e"; }
-  inherit (lib.attrsets) mergeAttrsList;
-
-  # Generate a string from an attribute set.
-  #
-  #   attrsets.foldlAttrs
-  #   (acc: name: value: acc + "\nexport ${name}=${value}")
-  #   "# A shell script"
-  #   { x = "a"; y = "b"; }
-  #     =>
-  #     ```
-  #     # A shell script
-  #     export x=a
-  #     export y=b
-  #    ````
-  inherit (lib.attrsets) foldlAttrs;
-}

lib/default.nix

@@ -4,8 +4,6 @@
   macosSystem = import ./macosSystem.nix;
   nixosSystem = import ./nixosSystem.nix;
 
-  attrs = import ./attrs.nix { inherit lib; };
-
   genK3sServerModule = import ./genK3sServerModule.nix;
   genK3sAgentModule = import ./genK3sAgentModule.nix;
   genVmHostModule = import ./genVmHostModule.nix;

vars/networking.nix

@@ -18,7 +18,6 @@ rec {
     "2400:3200::1" # Alidns
     "2606:4700:4700::1111" # Cloudflare
   ];
-  prefixLength = 24;
 
   # Dedicated VIP block for the k3s clusters, outside the router's DHCP pool
   # (.2-.99). One /29 per cluster, handed to kube-vip: the first usable address
@@ -155,18 +154,6 @@ rec {
     };
   };
 
-  hostsInterface = lib.attrsets.mapAttrs (key: val: {
-    interfaces."${val.iface}" = {
-      useDHCP = false;
-      ipv4.addresses = [
-        {
-          inherit prefixLength;
-          address = val.ipv4;
-        }
-      ];
-    };
-  }) hostsAddr;
-
   ssh = {
     # define the host alias for remote builders
     # this config will be written to /etc/ssh/ssh_config