diff --git a/homebrew/install_once.sh b/homebrew/install_once.sh
new file mode 100644
index 0000000..e70a02d
--- /dev/null
+++ b/homebrew/install_once.sh
@@ -0,0 +1,11 @@
+#!/user/bin/env bash
+# vim:set ft=bash:
+
+install_once()
+{
+  if brew ls --versions "$1"; then
+    brew upgrade "$1"
+  else
+    brew install "$1"
+  fi
+}
diff --git a/zsh/.zprofile.symlink b/zsh/.zprofile.symlink
new file mode 100644
index 0000000..4d10461
--- /dev/null
+++ b/zsh/.zprofile.symlink
@@ -0,0 +1,3 @@
+#!/usr/bin/env zsh
+
+eval "$(/usr/local/bin/brew shellenv)"
diff --git a/zsh/.zshrc.symlink b/zsh/.zshrc.symlink
index 7b6d721..63b3382 100644
--- a/zsh/.zshrc.symlink
+++ b/zsh/.zshrc.symlink
@@ -13,7 +13,7 @@ export DOT="$HOME/dotfiles"
 export HACK="$HOME/hackin"
 
 # Theme.
-ZSH_THEME="typewritten"
+ZSH_THEME=""
 
 # Use hyphen-insensitive completion.
 # Case-sensitive completion must be off. _ and - will be interchangeable.
@@ -78,6 +78,9 @@ done
 
 unset config_files
 
+# Starship
+eval "$(starship init zsh)"
+
 # Herd injected PHP binary.
 export PATH="/Users/marley/Library/Application Support/Herd/bin/":$PATH
 
diff --git a/zsh/fpath.zsh b/zsh/fpath.zsh
index 488033b..aeb8514 100644
--- a/zsh/fpath.zsh
+++ b/zsh/fpath.zsh
@@ -11,6 +11,6 @@ fi
 
 # Add each topic folder to fpath so that they can
 # add functions and completion scripts.
-for topic_folder ($ZSH/*) if [ -d $topic_folder ]; then
+for topic_folder ($DOT/*) if [ -d $topic_folder ]; then
   fpath=($topic_folder $fpath)
 fi
diff --git a/zsh/install.sh b/zsh/install.sh
new file mode 100755
index 0000000..016a0a9
--- /dev/null
+++ b/zsh/install.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+# vim:set ft=bash:
+
+source $DOT/homebrew/install_once.sh
+
+install_once starship