diff --git a/themes/vissi.zsh-theme b/themes/vissi.zsh-theme
new file mode 100644
index 000000000..cd657e3ca
--- /dev/null
+++ b/themes/vissi.zsh-theme
@@ -0,0 +1,25 @@
+function battery_charge {
+  # Battery 0: Discharging, 94%, 03:46:34 remaining
+  bat_percent=`acpi | awk -F ':' {'print $2;'} | awk -F ',' {'print $2;'} | sed -e "s/\s//" -e "s/%.*//"`
+
+  if [ $bat_percent -lt 20 ]; then cl='%F{red}'
+  elif [ $bat_percent -lt 50 ]; then cl='%F{yellow}'
+  else cl='%F{green}'
+  fi
+
+  filled=${(l:`expr $bat_percent / 10`::▸:)}
+  empty=${(l:`expr 10 - $bat_percent / 10`::▹:)}
+  echo $cl$filled$empty'%F{default}'
+}
+
+PROMPT='%{$fg_bold[red]%}➜ %{$fg_bold[green]%}%p %{$fg[cyan]%}%c %{$fg_bold[blue]%}$(git_prompt_info)%{$fg_bold[blue]%} % %{$reset_color%}'
+if [ -x /usr/bin/acpi ]; then
+	RPROMPT="%T %D $(battery_charge)"
+else
+	RPROMPT="%T %D"
+fi
+
+ZSH_THEME_GIT_PROMPT_PREFIX="git:(%{$fg[red]%}"
+ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}"
+ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[blue]%}) %{$fg[yellow]%}✗%{$reset_color%}"
+ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[blue]%})"
diff --git a/tools/install.sh b/tools/install.sh
index b080be3a1..891265d9e 100755
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -1,28 +1,24 @@
-if [ -d ~/.oh-my-zsh ]
+if [ -d $HOME/.oh-my-zsh ]
 then
-  echo "\033[0;33mYou already have Oh My Zsh installed.\033[0m You'll need to remove ~/.oh-my-zsh if you want to install"
+  echo "\033[0;33mYou already have Oh My Zsh installed.\033[0m You'll need to remove $HOME/.oh-my-zsh if you want to install"
   exit
 fi
 
 echo "\033[0;34mCloning Oh My Zsh...\033[0m"
-hash git >/dev/null && /usr/bin/env git clone https://github.com/robbyrussell/oh-my-zsh.git ~/.oh-my-zsh || {
-  echo "git not installed"
-  exit
-}
 
 echo "\033[0;34mLooking for an existing zsh config...\033[0m"
-if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]
+if [ -f $HOME/.zshrc ] || [ -h $HOME/.zshrc ]
 then
-  echo "\033[0;33mFound ~/.zshrc.\033[0m \033[0;32]Backing up to ~/.zshrc.pre-oh-my-zsh\033[0m";
-  cp ~/.zshrc ~/.zshrc.pre-oh-my-zsh;
-  rm ~/.zshrc;
+  echo "\033[0;33mFound $HOME/.zshrc.\033[0m \033[0;32mBacking up to $HOME/.zshrc.pre-oh-my-zsh\033[0m";
+  cp $HOME/.zshrc $HOME/.zshrc.pre-oh-my-zsh;
+  rm $HOME/.zshrc;
 fi
 
-echo "\033[0;34mUsing the Oh My Zsh template file and adding it to ~/.zshrc\033[0m"
-cp ~/.oh-my-zsh/templates/zshrc.zsh-template ~/.zshrc
+echo "\033[0;34mUsing the Oh My Zsh template file and adding it to $HOME/.zshrc\033[0m"
+cp $HOME/.oh-my-zsh/templates/zshrc.zsh-template $HOME/.zshrc
 
-echo "\033[0;34mCopying your current PATH and adding it to the end of ~/.zshrc for you.\033[0m"
-echo "export PATH=$PATH" >> ~/.zshrc
+echo "\033[0;34mCopying your current PATH and adding it to the end of $HOME/.zshrc for you.\033[0m"
+echo "export PATH=$PATH" >> $HOME/.zshrc
 
 echo "\033[0;34mTime to change your default shell to zsh!\033[0m"
 chsh -s `which zsh`
@@ -36,4 +32,5 @@ echo "\033[0;32m"'                        /____/                       '"\033[0m
 
 echo "\n\n \033[0;32m....is now installed.\033[0m"
 /usr/bin/env zsh
-source ~/.zshrc
+touch ~/.zshrc
+source $HOME/.zshrc