.bash_prompt

# @gf3’s Sexy Bash Prompt, inspired by “Extravagant Zsh Prompt”
# Shamelessly began at from https://github.com/gf3/dotfiles
# and then modified for my preferences

if [[ $COLORTERM = gnome-* && $TERM = xterm ]] && infocmp gnome-256color >/dev/null 2>&1; then
	export TERM=gnome-256color
elif infocmp xterm-256color >/dev/null 2>&1; then
	export TERM=xterm-256color
fi

if tput setaf 1 &> /dev/null; then
	tput sgr0
	if [[ $(tput colors) -ge 256 ]] 2>/dev/null; then
		GREEN=$(tput setaf 190)
		RED=$(tput setaf 1)
		WHITE=$(tput setaf 7)
	else
		GREEN=$(tput setaf 2)
		RED=$(tput setaf 1)
		WHITE=$(tput setaf 7)
	fi
	BOLD=$(tput bold)
	RESET=$(tput sgr0)
else
	GREEN="\033[1;32m"
	RED="\033[1;31m"
	WHITE="\033[1;37m"
	BOLD=""
	RESET="\033[m"
fi

export GREEN
export RED
export WHITE
export BOLD
export RESET

function parse_git_dirty() {
	[[ $(git status 2> /dev/null | tail -n1) != *"working tree clean"* ]] && echo "*"
}

function parse_git_color
{
  if [ "$(parse_git_dirty)" == "*" ] ; then
    echo "$RED"
  else
    echo "$GREEN"
  fi
}

function parse_git_branch() {
	git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/\1$(parse_git_dirty)/"
}

export PS1="\[$WHITE\]\u \[$RESET\]at \[$WHITE\]\h \[$RESET\]in \[$GREEN\]\w\[$RESET\]\$([[ -n \$(git branch 2> /dev/null) ]] && echo \" on\") \$(parse_git_color)\]\$(parse_git_branch) \[$RESET\]\n\$ "
export PS2="→ \[$RESET\]"