diff --git a/config/neovim-packer/install b/config/neovim-packer/install
index c6152e8..74b99b0 100755
--- a/config/neovim-packer/install
+++ b/config/neovim-packer/install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -o nounset
diff --git a/dotfiles/bashrc b/dotfiles/bashrc
index 58c4010..2d7b7c5 100644
--- a/dotfiles/bashrc
+++ b/dotfiles/bashrc
@@ -6,12 +6,6 @@ test -f ~/.bashrc-defaults && . ~/.bashrc-defaults
 
 . ~/.commonrc
 
-# brew install starship
-if which starship >/dev/null 2>/dev/null; then
-  export STARSHIP_THIS_PID=$$
-  eval "$(starship init bash 2>/dev/null)"
-fi
-
 for fun in ~/.shell-functions/*; do
   . $fun
 done
@@ -78,3 +72,7 @@ if which starship >/dev/null 2>/dev/null; then
 fi
 
 [ -f ~/.fzf.bash ] && source ~/.fzf.bash
+
+if which direnv >/dev/null 2>/dev/null; then
+  eval "$(direnv hook bash)"
+fi
diff --git a/dotfiles/shell-functions/start-direnv b/dotfiles/shell-functions/start-direnv
deleted file mode 100644
index 8f1c0c0..0000000
--- a/dotfiles/shell-functions/start-direnv
+++ /dev/null
@@ -1,9 +0,0 @@
-start-direnv() {
-  if ! type _direnv_hook >& /dev/null; then
-    eval "$(direnv hook zsh)"
-  else
-    echo "direnv already started"
-  fi
-}
-
-# ok: zsh
diff --git a/dotfiles/zshrc b/dotfiles/zshrc
index 31eca59..002b2f5 100644
--- a/dotfiles/zshrc
+++ b/dotfiles/zshrc
@@ -12,6 +12,10 @@ fi
 __commonrc_step ZSHRCINIT
 source ~/.commonrc
 
+if which direnv >/dev/null 2>/dev/null; then
+  eval "$(direnv hook zsh)"
+fi
+
 __commonrc_step ZSHRCLOADFUNCS
 for fun in ~/.shell-functions/*; do
   # Look for a line like "# ok: zsh"
diff --git a/script/install-config b/script/install-config
index 56a67cf..10efa60 100755
--- a/script/install-config
+++ b/script/install-config
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -o nounset
diff --git a/script/install-dotfiles b/script/install-dotfiles
index 7fe308d..5e7d6d8 100755
--- a/script/install-dotfiles
+++ b/script/install-dotfiles
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 set -o nounset
diff --git a/script/install-nix-dev b/script/install-nix-dev
new file mode 100755
index 0000000..78f7f2f
--- /dev/null
+++ b/script/install-nix-dev
@@ -0,0 +1,10 @@
+#!/bin/sh
+#/ Usage: script/install-nix-dev
+
+set -e
+set -o nounset
+
+cd `dirname "$0"`/..
+set -x
+script/install-dotfiles
+script/install-config config/neovim-packer