diff --git a/.gitignore b/.gitignore
index 2c62e25..ee6025e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
 *.swp
-tmp/
-.netrwhist
-plugged/*
-autoload/plug.vim.old
+/tmp/
+/.netrwhist
+/plugged/*
+/autoload/plug.vim.old
+/.envrc
+/localvim
diff --git a/.local.vim b/.local.vim
new file mode 100644
index 0000000..8ef17f9
--- /dev/null
+++ b/.local.vim
@@ -0,0 +1 @@
+" local settings when editing this repo
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..fc73348
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,10 @@
+{ pkgs ? import(fetchTarball("https://github.com/NixOS/nixpkgs/archive/d51f8579f03a76718d643dd184ae964e6f0dd751.tar.gz")) {} }:
+
+pkgs.mkShell {
+  nativeBuildInputs = with pkgs; [
+    vim
+    neovim
+    vim-language-server
+    vim-vint
+  ];
+}
diff --git a/vimrc b/vimrc
index 2b07472..7d8f429 100644
--- a/vimrc
+++ b/vimrc
@@ -269,6 +269,7 @@ augroup vimrc
   autocmd FileType eruby                 setl softtabstop=2 shiftwidth=2
   autocmd FileType coffee                setl softtabstop=4 shiftwidth=4
   autocmd BufRead,BufNewFile Guardfile   setf ruby
+  autocmd BufRead,BufNewFile Steepfile   setf ruby
   autocmd BufRead,BufNewFile Vagrantfile setf ruby
   autocmd BufRead,BufNewFile Steepfile   setf ruby
   autocmd BufRead,BufNewFile *.skim      setf slim