merging in the the best of the gallois and fishy themes

gallois-tsm.zsh-theme

ZSH_THEME_GIT_PROMPT_PREFIX="%{$reset_color%}%{$fg[green]%}["
ZSH_THEME_GIT_PROMPT_SUFFIX="]%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[red]%}*%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_CLEAN=""

#Customized git status, oh-my-zsh currently does not allow render dirty status before branch
git_custom_status() {
  local cb=$(current_branch)
  if [ -n "$cb" ]; then
    echo "$(parse_git_dirty)%{$fg_bold[yellow]%}$(work_in_progress)%{$reset_color%}$ZSH_THEME_GIT_PROMPT_PREFIX$(current_branch)$ZSH_THEME_GIT_PROMPT_SUFFIX"
  fi
}

_fishy_collapsed_wd() {
  echo $(pwd | perl -pe "
   BEGIN {
      binmode STDIN,  ':encoding(UTF-8)';
      binmode STDOUT, ':encoding(UTF-8)';
   }; s|^$HOME|~|g; s|/([^/])[^/]*(?=/)|/\$1|g
")
} 

#RVM and git settings
if [[ -s ~/.rvm/scripts/rvm ]] ; then
  RPS1='$(git_custom_status)%{$fg[red]%}[`~/.rvm/bin/rvm-prompt`]%{$reset_color%} $EPS1'
else
  if which rbenv &> /dev/null; then
    RPS1='$(git_custom_status)%{$fg[red]%}[`rbenv version | sed -e "s/ (set.*$//"`]%{$reset_color%} $EPS1'
  else
    RPS1='$(git_custom_status) $EPS1'
  fi
fi

PROMPT='%{$fg[cyan]%}[$(_fishy_collapsed_wd)]%(?.%{$fg[green]%}.%{$fg[red]%})%B$%b '