15 files changed, 27 insertions, 20 deletions
diff --git a/Biz/Bild.nix b/Biz/Bild.nix
index e7aaf7f..ad56549 100644
--- a/Biz/Bild.nix
+++ b/Biz/Bild.nix
@@ -112,10 +112,10 @@ rec {
       installPhase = "exit 0";
     } // { env = ghc; };
 
-  env = nixpkgs.pkgs.mkShell {
+    env = let linters = with nixpkgs.pkgs; [ ormolu hlint deadnix ]; in nixpkgs.pkgs.mkShell {
     name = "bizdev";
     # this should just be dev tools
-    buildInputs = with nixpkgs.pkgs; [
+    buildInputs = with nixpkgs.pkgs; linters ++ [
       gcc
       bild
       ctags
@@ -131,7 +131,7 @@ rec {
     ];
   };
 
-  os = cfg: (nixpkgs.nixos (args: cfg)).toplevel;
+  os = cfg: (nixpkgs.nixos (_args: cfg)).toplevel;
 
   pkgs = { inherit (nixpkgs) git; };
 
diff --git a/Biz/Bild/Deps.nix b/Biz/Bild/Deps.nix
index 79f7ac3..c236a0c 100644
--- a/Biz/Bild/Deps.nix
+++ b/Biz/Bild/Deps.nix
@@ -1,4 +1,4 @@
-self: super:
+_self: super:
 
 with import ./Constants.nix;
 let
@@ -10,7 +10,7 @@ in rec
 {
   haskell = super.haskell // {
     packages = super.haskell.packages // {
-      "${ghcCompiler}" = super.haskell.packages."${ghcCompiler}".override (old: {
+      "${ghcCompiler}" = super.haskell.packages."${ghcCompiler}".override (_old: {
         overrides = with super.pkgs.haskell.lib; sel: sup:
           super.overridePinnedDeps (buildCabal sel) // {
           acid-state = dontCheck sup.acid-state; # mac: "too many open files"
diff --git a/Biz/Bild/Deps/inspekt3d.nix b/Biz/Bild/Deps/inspekt3d.nix
index 1093165..78393ee 100644
--- a/Biz/Bild/Deps/inspekt3d.nix
+++ b/Biz/Bild/Deps/inspekt3d.nix
@@ -1,6 +1,5 @@
 { stdenv
 , lib
-, fetchFromGitHub
 , autoreconfHook
 , pkgconfig
 , guile
diff --git a/Biz/Bot.nix b/Biz/Bot.nix
index f09279b..afd5eb4 100644
--- a/Biz/Bot.nix
+++ b/Biz/Bot.nix
@@ -30,7 +30,7 @@ in
   };
   config = lib.mkIf cfg.enable {
     systemd.services = {
-      bizbot-${cfg.server}-${cfg.channel}-ii = {
+      "bizbot-${cfg.server}-${cfg.channel}-ii" = {
         wantedBy = [ "multi-user.target" ];
         path = [ pkgs.ii ];
         script = ''
@@ -44,7 +44,7 @@ in
         '';
 
       };
-      bizbot-${cfg.server}-${cfg.channel} = {
+      "bizbot-${cfg.server}-${cfg.channel}" = {
         path = [ cfg.package ];
         wantedBy = [ "multi-user.target" ];
         after = [ "bizbot-${cfg.server}-${cfg.channel}-ii.service" ];
diff --git a/Biz/Cloud/Git.nix b/Biz/Cloud/Git.nix
index d1cdf9f..a75fa82 100644
--- a/Biz/Cloud/Git.nix
+++ b/Biz/Cloud/Git.nix
@@ -1,4 +1,4 @@
-{ pkgs, lib, config, ... }:
+{ lib, config, ... }:
 
 let
   inherit (config.networking) domain;
diff --git a/Biz/Cloud/Grocy.nix b/Biz/Cloud/Grocy.nix
index 3f63cc7..697c2f1 100644
--- a/Biz/Cloud/Grocy.nix
+++ b/Biz/Cloud/Grocy.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ ... }:
 
 {
   services.grocy = {
diff --git a/Biz/Cloud/Web.nix b/Biz/Cloud/Web.nix
index 3c7acea..a096779 100644
--- a/Biz/Cloud/Web.nix
+++ b/Biz/Cloud/Web.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ config, ... }:
 
 let
   rootDomain = config.networking.domain;
diff --git a/Biz/Cloud/Znc.nix b/Biz/Cloud/Znc.nix
index 5ec4e56..79eee95 100644
--- a/Biz/Cloud/Znc.nix
+++ b/Biz/Cloud/Znc.nix
@@ -6,7 +6,7 @@ N.B.: generate znc passwords with 'nix-shell -p znc --command "znc --makepass"'
 
 */
 
-{ pkgs, lib, ... }:
+{ pkgs, ... }:
 
 {
   services = {
diff --git a/Biz/Dev/Hardware.nix b/Biz/Dev/Hardware.nix
index dc5b573..eaf1bd9 100644
--- a/Biz/Dev/Hardware.nix
+++ b/Biz/Dev/Hardware.nix
@@ -1,7 +1,7 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
+{ lib, modulesPath, ... }:
 
 {
   imports =
diff --git a/Biz/Dev/Hoogle.nix b/Biz/Dev/Hoogle.nix
index 13a5bda..02330b5 100644
--- a/Biz/Dev/Hoogle.nix
+++ b/Biz/Dev/Hoogle.nix
@@ -25,7 +25,7 @@ in {
     };
 
     packages = mkOption {
-      default = hp: [];
+      default = _hp: [];
       defaultText = "hp: []";
       example = "hp: with hp; [ text lens ]";
       description = ''
diff --git a/Biz/Dev/Networking.nix b/Biz/Dev/Networking.nix
index 150b098..88ec4fb 100644
--- a/Biz/Dev/Networking.nix
+++ b/Biz/Dev/Networking.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ ... }:
 
 let
   ports = import ../Cloud/Ports.nix;
diff --git a/Biz/Dev/Wireguard.nix b/Biz/Dev/Wireguard.nix
index 5703f3d..9c72dd4 100644
--- a/Biz/Dev/Wireguard.nix
+++ b/Biz/Dev/Wireguard.nix
@@ -1,4 +1,4 @@
-{ lib, config, pkgs, ... }:
+{ lib, pkgs, ... }:
 
 /*
 Wireguard VPN server
diff --git a/Biz/Lint.hs b/Biz/Lint.hs
index 8dafcb3..80e2665 100644
--- a/Biz/Lint.hs
+++ b/Biz/Lint.hs
@@ -131,6 +131,16 @@ pylint =
       fixArgs = Nothing
     }
 
+deadnix :: Linter
+deadnix =
+  Linter
+    { exe = "deadnix",
+      checkArgs = "--fail" : commonArgs,
+      fixArgs = Just <| "--edit" : commonArgs
+    }
+  where
+    commonArgs = ["--no-underscore", "--no-lambda-pattern-names"]
+
 shellcheck :: Linter
 shellcheck = Linter {exe = "shellcheck", checkArgs = [], fixArgs = Nothing}
 
@@ -159,9 +169,9 @@ runOne mode root cwd path_ = results +> traverse_ printResult >> results
           [ lint mode ormolu path_,
             lint mode hlint path_
           ]
-        Just (Namespace _ Py) -> [] -- [lint mode pylint path_]
+        Just (Namespace _ Py) -> [pure <| NoOp path_]
         Just (Namespace _ Sh) -> [lint mode shellcheck path_]
-        Just (Namespace _ Nix) -> [pure <| NoOp path_]
+        Just (Namespace _ Nix) -> [lint mode deadnix path_]
         Just (Namespace _ Scm) -> [pure <| NoOp path_]
         Just _ -> [pure <. Warn <| "no linter for " <> Text.pack path_]
 
diff --git a/Biz/Nixpert.nix b/Biz/Nixpert.nix
index 51c6e66..6e9d392 100644
--- a/Biz/Nixpert.nix
+++ b/Biz/Nixpert.nix
@@ -14,7 +14,6 @@ let
       ${./Nixpert.md} \
       > $out/index.html
   '';
-  ports = import ../Cloud/Ports.nix;
   ssl = {
     cert = "/var/lib/acme/simatime.com/fullchain.pem";
     key = "/var/lib/acme/simatime.com/key.pem";
diff --git a/Biz/Que/Host.nix b/Biz/Que/Host.nix
index db2f748..84bd9cc 100644
--- a/Biz/Que/Host.nix
+++ b/Biz/Que/Host.nix
@@ -1,7 +1,6 @@
 { options
 , lib
 , config
-, pkgs
 , ...
 }: