dot-files/bash/prompt

#!/usr/bin/env bash

# Reset
color_off='\e[0m'       # Text Reset

green='\e[0;32m'        # Green
yellow='\e[0;33m'       # Yellow
blue='\e[0;34m'         # Blue
purple='\e[0;35m'       # Purple

function _hostname-color {
    case "$(whoami)" in
        william)   echo "$blue";;
        buddy)     echo "$blue";;
        root)      echo "$bred";;
        *)         echo "$purple";;
    esac
}

# display hostname
PS1="\[$green\]"'\u'"\[$yellow\] "
PS1="$PS1\[$(_hostname-color)\]"'$(_hostname-show)'""
# display separator
PS1="$PS1\[$yellow\] "
# display current path
PS1="$PS1\[$green\]\w "
# display git branch
PS1="$PS1\[$bblack\]"'$(parse_git_branch)'
# display git status
PS1="$PS1\[$yellow\]"'$(parse_git_status) '
# display date
PS1="$PS1\[$purple\]\D{%F %I:%M%P} "
PS1="$PS1\[$color_off\]\nλ "

function parse_git_status {
    if [[ $(git status 2> /dev/null | wc -l) -eq 0 ]]; then
        return
    fi

    if [[ $(git status 2> /dev/null | grep -c "working tree|directory clean") -eq 0 ]]; then
        echo ' ∓'
    fi
}

function _hostname-show {
    hostname -s | tr ':A-Z:' ':a-z:'
}

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

# Regular Colors
#black='\e[0;30m'        # Black
#red='\e[0;31m'          # Red
#cyan='\e[0;36m'         # Cyan
#white='\e[0;37m'        # White

# Bold
bblack='\e[1;30m'       # Black
bred='\e[1;31m'         # Red
#bgreen='\e[1;32m'       # Green
#byellow='\e[1;33m'      # Yellow
#bblue='\e[1;34m'        # Blue
#bpurple='\e[1;35m'      # Purple
#bcyan='\e[1;36m'        # Cyan
#bwhite='\e[1;37m'       # White

# Underline
#ublack='\e[4;30m'       # Black
#ured='\e[4;31m'         # Red
#ugreen='\e[4;32m'       # Green
#uyellow='\e[4;33m'      # Yellow
#ublue='\e[4;34m'        # Blue
#upurple='\e[4;35m'      # Purple
#ucyan='\e[4;36m'        # Cyan
#uwhite='\e[4;37m'       # White

# Background
#on_black='\e[40m'       # Black
#on_red='\e[41m'         # Red
#on_green='\e[42m'       # Green
#on_yellow='\e[43m'      # Yellow
#on_blue='\e[44m'        # Blue
#on_purple='\e[45m'      # Purple
#on_cyan='\e[46m'        # Cyan
#on_white='\e[47m'       # White

# High Intensty
#iblack='\e[0;90m'       # Black
#ired='\e[0;91m'         # Red
#igreen='\e[0;92m'       # Green
#iyellow='\e[0;93m'      # Yellow
#iblue='\e[0;94m'        # Blue
#ipurple='\e[0;95m'      # Purple
#icyan='\e[0;96m'        # Cyan
#iwhite='\e[0;97m'       # White

# Bold High Intensty
#biblack='\e[1;90m'      # Black
#biRed='\e[1;91m'        # Red
#biGreen='\e[1;92m'      # Green
#biYellow='\e[1;93m'     # Yellow
#biBlue='\e[1;94m'       # Blue
#biPurple='\e[1;95m'     # Purple
#biCyan='\e[1;96m'       # Cyan
#biWhite='\e[1;97m'      # White

# High Intensty backgrounds
#on_iblack='\e[0;100m'   # Black
#on_ired='\e[0;101m'     # Red
#on_igreen='\e[0;102m'   # Green
#on_iyellow='\e[0;103m'  # Yellow
#on_iblue='\e[0;104m'    # Blue
#on_ipurple='\e[10;95m'  # Purple
#on_icyan='\e[0;106m'    # Cyan
#on_iwhite='\e[0;107m'   # White