added dotnet bc we bad

dotnet.nix

@@ -0,0 +1,11 @@
+let
+  # Pinned nixpkgs, deterministic. Last updated: 2/12/21.
+  #pkgs = import (fetchTarball("https://github.com/NixOS/nixpkgs/archive/a58a0b5098f0c2a389ee70eb69422a052982d990.tar.gz")) {};
+  # Rolling updates, not deterministic.
+  pkgs = import (fetchTarball "channel:nixpkgs-unstable") { };
+in pkgs.mkShell {
+  buildInputs = [ pkgs.dotnet-sdk ];
+  shellHook = ''
+    exec zsh
+  '';
+}

rust-nightly.nix

@@ -1,11 +1,9 @@
 let
-  moz_overlay =
-    import (builtins.fetchTarball
+  moz_overlay = import (builtins.fetchTarball
     "https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz");
-  nixpkgs = import <nixpkgs> {overlays = [moz_overlay];};
-in
-  with nixpkgs;
-    stdenv.mkDerivation {
+  nixpkgs = import <nixpkgs> { overlays = [ moz_overlay ]; };
+in with nixpkgs;
+stdenv.mkDerivation {
   name = "moz_overlay_shell";
   buildInputs = [
     # to use the latest nightly:
@@ -14,4 +12,4 @@ in
   shellHook = ''
     exec zsh
   '';
-    }
+}

rust.nix

@@ -2,11 +2,10 @@ let
   # Pinned nixpkgs, deterministic. Last updated: 2/12/21.
   #pkgs = import (fetchTarball("https://github.com/NixOS/nixpkgs/archive/a58a0b5098f0c2a389ee70eb69422a052982d990.tar.gz")) {};
   # Rolling updates, not deterministic.
-  pkgs = import (fetchTarball "channel:nixpkgs-unstable") {};
-in
-  pkgs.mkShell {
-    buildInputs = [pkgs.cargo pkgs.rustc pkgs.zsh pkgs.bacon];
+  pkgs = import (fetchTarball "channel:nixpkgs-unstable") { };
+in pkgs.mkShell {
+  buildInputs = [ pkgs.cargo pkgs.rustc pkgs.zsh pkgs.bacon ];
   shellHook = ''
     exec zsh
   '';
-  }
+}