[m]Devshell envar name change

shells/default.nix

@@ -1,13 +1,13 @@
-{ inputs, ... }:
-let
-  forEachSystem =
-    inputs.nixpkgs.lib.genAttrs [ "aarch64-linux" "x86_64-linux" ];
-in forEachSystem (system:
-  let
-    overlays = import ../overlays { inherit pkgs; };
-    overrides = { custom = import ../pkgs { inherit pkgs; }; };
-    pkgs = import inputs.nixpkgs { inherit system overlays; } // overrides;
-  in {
-    default = import ./devsh { inherit pkgs; };
-    devsh = import ./devsh { inherit pkgs; };
-  })
+{ inputs, ... }:
+let
+  forEachSystem =
+    inputs.nixpkgs.lib.genAttrs [ "aarch64-linux" "x86_64-linux" ];
+in forEachSystem (system:
+  let
+    overlays = import ../overlays { inherit pkgs; };
+    overrides = { custom = import ../pkgs { inherit pkgs; }; };
+    pkgs = import inputs.nixpkgs { inherit system overlays; } // overrides;
+  in {
+    default = import ./devsh { inherit pkgs; };
+    devsh = import ./devsh { inherit pkgs; };
+  })

shells/devsh/default.nix

@@ -40,7 +40,7 @@ pkgs.mkShell {
     #CUSTOM (custom...)
   ];
   shellHook = ''
-    export DEVSH="DEV"
+    export SHELLENVTYPE="DEV"
     export HTTP_PORT=8080
     export HTTP_ADDR="0.0.0.0"
   '';