Gentoo vs Ubuntu

gentoo.sh

# /etc/bash/bashrc
#
# This file is sourced by all *interactive* bash shells on startup,
# including some apparently interactive shells such as scp and rcp
# that can't tolerate any output.  So make sure this doesn't display
# anything or bad things will happen !


# Test for an interactive shell.  There is no need to set anything
# past this point for scp and rcp, and it's important to refrain from
# outputting anything in those cases.
if [[ $- != *i* ]] ; then
	# Shell is non-interactive.  Be done now!
	return
fi

# Bash won't get SIGWINCH if another process is in the foreground.
# Enable checkwinsize so that bash will check the terminal size when
# it regains control.  #65623
# http://cnswww.cns.cwru.edu/~chet/bash/FAQ (E11)
shopt -s checkwinsize

# Enable history appending instead of overwriting.  #139609
shopt -s histappend

# Change the window title of X terminals 
case ${TERM} in
	xterm*|rxvt*|Eterm|aterm|kterm|gnome*|interix)
		PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/$HOME/~}\007"'
		;;
	screen)
		PROMPT_COMMAND='echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/$HOME/~}\033\\"'
		;;
esac

use_color=false

# Set colorful PS1 only on colorful terminals.
# dircolors --print-database uses its own built-in database
# instead of using /etc/DIR_COLORS.  Try to use the external file
# first to take advantage of user additions.  Use internal bash
# globbing instead of external grep binary.
safe_term=${TERM//[^[:alnum:]]/?}   # sanitize TERM
match_lhs=""
[[ -f ~/.dir_colors   ]] && match_lhs="${match_lhs}$(<~/.dir_colors)"
[[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(</etc/DIR_COLORS)"
[[ -z ${match_lhs}    ]] \
	&& type -P dircolors >/dev/null \
	&& match_lhs=$(dircolors --print-database)
[[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color=true

if ${use_color} ; then
	# Enable colors for ls, etc.  Prefer ~/.dir_colors #64489
	if type -P dircolors >/dev/null ; then
		if [[ -f ~/.dir_colors ]] ; then
			eval $(dircolors -b ~/.dir_colors)
		elif [[ -f /etc/DIR_COLORS ]] ; then
			eval $(dircolors -b /etc/DIR_COLORS)
		fi
	fi

	if [[ ${EUID} == 0 ]] ; then
		PS1='\[\033[01;31m\]\h\[\033[01;34m\] \W \$\[\033[00m\] '
	else
		PS1='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] '
	fi

	alias ls='ls --color=auto'
	alias grep='grep --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

# Try to keep environment pollution down, EPA loves us.
unset use_color safe_term match_lhs

profile.sh

# Define some colors to use in the prompt
NO_COLOR="\[\033[0m\]"

GRAY="\[\033[1;30m\]"
BLACK="\[\033[0;30m\]"
RED="\[\033[0;31m\]"
LIGHT_RED="\[\033[1;31m\]"
GREEN="\[\033[0;32m\]"
LIGHT_GREEN="\[\033[1;32m\]"
YELLOW="\[\033[0;33m\]"
LIGHT_YELLOW="\[\033[1;33m\]"
BLUE="\[\033[0;34m\]"
LIGHT_BLUE="\[\033[1;34m\]"
MAGENTA="\[\033[0;35m\]"
LIGHT_MAGENTA="\[\033[1;35m\]"
CYAN="\[\033[0;36m\]"
LIGHT_CYAN="\[\033[1;36m\]"
WHITE="\[\033[0;37m\]"
LIGHT_WHITE="\[\033[1;37m\]"

# Change the prompt character dpeending on if we're in a repository
function prompt_char {
	git branch > /dev/null 2> /dev/null && echo '±' && return
	hg root > /dev/null 2> /dev/null && echo '☿' && return
	echo '$'
}

## display the current git branch
__git_ps1() {
	local b="$(git symbolic-ref HEAD 2> /dev/null)"
	if [ -n "$b" ]; then
		printf " (git:%s)" "${b##refs/heads/}"
	fi
}

## display the current mercurial branch
__hg_ps1() {
	local branch="$(hg branch 2> /dev/null)"
	if [ -n "$branch" ]; then
		printf " (hg:%s)" "${branch}"
	fi
}

## display the current bazaar revision
__bzr_ps1() {
	local rev="$(bzr revno 2> /dev/null)"
	if [ -n "$rev" ]; then
		printf " (bzr:%s)" "${rev}"
	fi
}

## display the current subversion revision
__svn_ps1() {
	if [[ -d ".svn" ]]; then
		printf " (svn:%s)" `svnversion`
	fi
}

## My super cool prompt
# export MY_PROMPT="\[\e]0;\u@\h: \w\a\]"
export MY_PROMPT="${WHITE}[\t] ${LIGHT_GREEN}\u${LIGHT_WHITE}@${LIGHT_RED}\h ${LIGHT_BLUE}\w${WHITE}\$(__git_ps1)\$(__hg_ps1)\$(__bzr_ps1)\$(__svn_ps1)\n${LIGHT_WHITE}\$(prompt_char)${NO_COLOR} "

## Basic prompt for everyone else
export BASIC_PROMPT="${WHITE}[\t] ${LIGHT_GREEN}\u@\h${LIGHT_WHITE}:${LIGHT_BLUE}\w${WHITE}\$${NO_COLOR} "

export PS1=$MY_PROMPT

# alias basic_prompt="export PS1=\$BASIC_PROMPT"
# alias my_prompt="export PS1=\$MY_PROMPT"
alias clean_pyc="find . -type f -name \"*.py[co]\" -delete"

# PS1='\[\033[01;31m\]\h\[\033[01;34m\] \W \$\[\033[00m\] '

ubuntu.sh

# System-wide .bashrc file for interactive bash(1) shells.

# To enable the settings / commands in this file for login shells as well,
# this file has to be sourced in /etc/profile.

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "$debian_chroot" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# set a fancy prompt (non-color, overwrite the one in /etc/profile)
PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '

# Commented out, don't overwrite xterm -T "title" -n "icontitle" by default.
# If this is an xterm set the title to user@host:dir
#case "$TERM" in
#xterm*|rxvt*)
#    PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}: ${PWD}\007"'
#    ;;
#*)
#    ;;
#esac

# enable bash completion in interactive shells
#if [ -f /etc/bash_completion ] && ! shopt -oq posix; then
#    . /etc/bash_completion
#fi

# sudo hint
if [ ! -e "$HOME/.sudo_as_admin_successful" ]; then
    case " $(groups) " in *\ admin\ *)
    if [ -x /usr/bin/sudo ]; then
	cat <<-EOF
	To run a command as administrator (user "root"), use "sudo <command>".
	See "man sudo_root" for details.
	
	EOF
    fi
    esac
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 ]; 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/bin/python /usr/lib/command-not-found -- $1
                   return $?
                elif [ -x /usr/share/command-not-found ]; then
		   /usr/bin/python /usr/share/command-not-found -- $1
                   return $?
		else
		   return 127
		fi
	}
fi