Bash prompt that shows current node version and git status

.bash_prompt

RED_COLOR="\[$(tput setaf 1)\]"
YELLOW_COLOR=""
END_COLOR="\[$(tput sgr0)\]"

function __git_dirty {
  git diff --quiet HEAD &>/dev/null 
  [ $? == 1 ] && echo " ↺ "
}
 
function __git_branch {
  __git_ps1 "%s"
}
 
function __node {
  if hash node 2>/dev/null; then
    local v=$(node -v)
  fi
  [ "$v" != "" ] && echo "n:${v:1}"
}
 
function __info {
  local full=(
    $(tput setaf 0)$(tput setab 2)$(__node)$(tput sgr0)
    
    $(tput setaf 0)$(tput setab 1)$(__git_branch)$(__git_dirty)$(tput sgr0)
  )
  full="${full[*]}"
  [ "$full" != "" ] && echo "[$full]" 
}

PS1="┌─\$(__info)──(\w)
└─> "