bash.bashrc

#
# /etc/bash.bashrc
#

# If not running interactively, don't do anything
[[ $- != *i* ]] && return

# Change the window title of X terminals 
case ${TERM} in
	[aEkx]term*|rxvt*|gnome*|konsole*|interix)
		PS1='\[\033]0;\u@\h:\w\007\]'
		;;
	screen*)
		PS1='\[\033k\u@\h:\w\033\\\]'
		;;
	*)
		unset PS1
		;;
esac

# Set colorful PS1 only on colorful terminals,
# try to use the external file first to take
# advantage of user additions
use_color=false
if type -P dircolors >/dev/null ; then
	# Enable colors for ls, etc.  Prefer ~/.dircolors
	LS_COLORS=
	if [[ -f ~/.dircolors ]] ; then
		eval "$(dircolors -b ~/.dircolors)"
	elif [[ -f /etc/DIRCOLORS ]] ; then
		eval "$(dircolors -b /etc/DIRCOLORS)"
	else
		eval "$(dircolors -b)"
	fi
	# Evaluate the LS_COLORS setting even when it's the default
	if [[ -n ${LS_COLORS:+set} ]] ; then
		use_color=true
	else
		# Delete it if it's empty as it's useless in that case
		unset LS_COLORS
	fi
else
	# Some systems (e.g. BSD & embedded) don't typically come with
	# dircolors so we need to hardcode some terminals in here
	case ${TERM} in
	[aEkx]term*|rxvt*|gnome*|konsole*|screen|cons25|*color) use_color=true;;
	esac
fi

if ${use_color} ; then
	if [[ ${EUID} == 0 ]] ; then
		PS1+='\[\033[01;31m\]\W \$\[\033[00m\] '
	else
		PS1+='\[\033[01;34m\]\w \$\[\033[00m\] '
	fi

	alias ls='ls --color=auto'
	alias grep='grep --colour=auto'
	alias egrep='egrep --colour=auto'
	alias fgrep='fgrep --colour=auto'

else
	if [[ ${EUID} == 0 ]] ; then
		# Show root@ when we don't have colors
		PS1+='\u@\h \W \$ '
	else
		PS1+='\u@\h \w \$ '
	fi
fi

# if the command-not-found package is installed, use it
if [ -x /usr/lib/command-not-found -o -x /usr/share/command-not-found/command-not-found ]; then
	function command_not_found_handle {
	        # check because c-n-f could've been removed in the meantime
                if [ -x /usr/lib/command-not-found ]; then
		   /usr/lib/command-not-found -- "$1"
                   return $?
                elif [ -x /usr/share/command-not-found/command-not-found ]; then
		   /usr/share/command-not-found/command-not-found -- "$1"
                   return $?
		else
		   printf "%s: command not found\n" "$1" >&2
		   return 127
		fi
	}
fi

# Add more specialized tab completions for common commands and their options
[ -r /usr/share/bash-completion/bash_completion   ] && . /usr/share/bash-completion/bash_completion

# Try to keep environment pollution down
unset use_color sh