Added my own theme based on pat's

themes/josh.zsh-theme

+grey='\e[0;90m'
+
+ZSH_THEME_GIT_PROMPT_PREFIX="%{$grey%}("
+ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}"
+ZSH_THEME_GIT_PROMPT_DIRTY="%{$grey%}) %{$fg[yellow]%}✗%{$reset_color%}"
+ZSH_THEME_GIT_PROMPT_CLEAN="%{$grey%})"
+
+function pat_prompt {
+  (( spare_width = ${COLUMNS} ))
+  prompt=" "
+
+  branch=$(current_branch)
+  ruby_version=$(rvm_prompt_info)
+  path_size=${#PWD}
+  branch_size=${#branch}
+  ruby_size=${#ruby_version}
+  machine_size=11
+  
+  if [[ ${#branch} -eq 0 ]]
+    then (( ruby_size = ruby_size + 1 ))
+  else
+    (( branch_size = branch_size + 4 ))
+    if [[ -n $(git status -s 2> /dev/null) ]]; then
+      (( branch_size = branch_size + 2 ))
+    fi
+  fi
+  
+  (( spare_width = ${spare_width} - (${machine_size} + ${path_size} + ${branch_size} + ${ruby_size}) ))
+
+  while [ ${#prompt} -lt $spare_width ]; do
+    prompt=" $prompt"
+  done
+  
+  prompt="%{%F{green}%}$PWD$prompt%{%F{red}%}$(rvm_prompt_info)%{$reset_color%} $(git_prompt_info)"
+  
+  echo $prompt
+}
+
+setopt prompt_subst
+
+PROMPT='
+%n@%m $(pat_prompt)
+%(?,%{%F{green}%},%{%F{red}%})⚡%{$reset_color%} '