.bash_prompt

# @gf3’s Sexy Bash Prompt, inspired by “Extravagant Zsh Prompt”
# Shamelessly copied from https://github.com/gf3/dotfiles

default_username='will-never-match'

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

BLACK=$(tput setaf 0)
RED=$(tput setaf 1)
YELLOW=$(tput setaf 3)
PINK=$(tput setaf 5)
LIME_YELLOW=$(tput setaf 190)
POWDER_BLUE=$(tput setaf 153)
BLUE=$(tput setaf 4)
CYAN=$(tput setaf 6)
MAGENTA=$(tput setaf 9)
ORANGE=$(tput setaf 172)
GREEN=$(tput setaf 10)
PURPLE=$(tput setaf 141)
WHITE=$(tput setaf 256)
LIGHTGREY="$(tput setaf 8)"
GREY="$(tput setaf 7)"

GREYBG="$(tput setab 7)"
LIGHTGREYBG="$(tput setab 8)"

BRIGHT=$(tput bold)
BLINK=$(tput blink)
REVERSE=$(tput smso)
UNDERLINE=$(tput smul)
BOLD=$(tput bold)
RESET=$(tput sgr0)


function git_info() {
	# check if we're in a git repo
	git rev-parse --is-inside-work-tree &>/dev/null || return

	# quickest check for what branch we're on
	branch=$(git symbolic-ref -q HEAD | sed -e 's|^refs/heads/||')

	# check if it's dirty (via github.com/sindresorhus/pure)
	dirty=$(git diff --quiet --ignore-submodules HEAD &>/dev/null; [ $? -eq 1 ]&& echo -e "*")

	echo $WHITE" on "$PURPLE$UNDERLINE$branch$RESET $BRIGHT$CYAN$dirty$RESET
}

# Only show username/host if not default
function usernamehost() {
	echo "${MAGENTA}$USER ${GREY}@${ORANGE} $HOSTNAME${GREY} in ${YELLOW}$(current_dir)${RESET}";
}


function current_dir() {
    local pwd_length=42  # The maximum length we want (seems to fit nicely
                         # in a default length Terminal title bar).

    # Get the current working directory.  We'll format it in $dir.
    local dir="$PWD"

    # Substitute a leading path that's in $HOME for "~"
    if [[ "$HOME" == ${dir:0:${#HOME}} ]] ; then
        dir="~${dir:${#HOME}}"
    fi

    # Truncate if we're too long.
    # We preserve the leading '/' or '~/', and substitute
    # ellipses for some directories in the middle.
    if [[ "$dir" =~ (~){0,1}/.*(.{${pwd_length}}) ]] ; then
        local tilde=${BASH_REMATCH[1]}
        local directory=${BASH_REMATCH[2]}

        # At this point, $directory is the truncated end-section of the
        # path.  We will now make it only contain full directory names
        # (e.g. "ibrary/Mail" -> "/Mail").
        if [[ "$directory" =~ [^/]*(.*) ]] ; then
            directory=${BASH_REMATCH[1]}
        fi

        dir="$tilde/…$directory"
    fi

    echo $dir
}

# function current_dir() {
# 	dir=$PWD
# 	pushd "$dir" > /dev/null # Switch to the given directory; suppress output.
# 	dirs -0 # Run "dirs" and save to variable.
# 	popd > /dev/null # Switch back to where we were
# }


PS1="\[\e]2;[bash]   \h::\]\W\[\a\]\[\e]1;\]/\W\[\a\]${BOLD}\$(usernamehost)\[$RESET\]\n\$ "

export PROMPT_COMMAND='history -a'