.bashrc

#!/bin/bash

# enable color support of ls
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    alias dir='dir --color=auto'
    alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# common aliases
alias cls=clear

# load machine specific aliases
if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

PS1="\`if [ \$? != 0 ]; then echo \[\e[31m\]\342\234\227\[\e[0m\]; fi\` \[\e[33m\]\w\[\e[36m\]\$(__git_ps1 ' (%s)') \[\e[00m\]\\$ "