the emoji and git prompt you are all looking for

parse_git_branch() {
    git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

# Change bash prompt emoji by time.
time_emoji() {
    CURRENT_HOUR=`date +"%-H"`
    if [ "$CURRENT_HOUR" -ge 17 ] && [ "$CURRENT_HOUR" -le 23 ]; then
      echo $'\xF0\x9F\x8D\xBA' # beer
    else
      echo $'\xE2\x9A\xA1' # high voltage / lightning
    fi
}

# A cleaner way to color things
BLACK="\[$(tput setaf 0)\]"
RED="\[$(tput setaf 1)\]"
GREEN="\[$(tput setaf 2)\]"
LIME_YELLOW="\[$(tput setaf 190)\]"
YELLOW="\[$(tput setaf 3)\]"
POWDER_BLUE="\[$(tput setaf 153)\]"
BLUE="\[$(tput setaf 4)\]"
MAGENTA="\[$(tput setaf 5)\]"
CYAN="\[$(tput setaf 6)\]"
WHITE="\[$(tput setaf 7)\]"
BRIGHT="\[$(tput bold)\]"
NORMAL="\[$(tput sgr0)\]"
BLINK="\[$(tput blink)\]"
REVERSE="\[$(tput smso)\]"
UNDERLINE="\[$(tput smul)\]"

PS1="${BLUE}[\u:${YELLOW}\w${BLUE}]${GREEN}\$(parse_git_branch) \$(time_emoji)  ${CYAN}"

# Resets output color after command executes
trap '[[ -t 1 ]] && tput sgr0' DEBUG