Bash RC (for Arch)

.bashrc

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

setxkbmap -layout gb
[[ "$PS1" ]] && echo -e "\e[0;33m$(fortune)\e[0m"

[[ -f ~/.aliases ]] && source ~/.aliases
[[ -f ~/.bash_aliases ]] && source ~/.bash_aliases
[[ -f ~/.extend.bashrc ]] && source ~/.extend.bashrc
[[ -r /usr/share/bash-completion/bash_completion ]] && /usr/share/bash-completion/bash_completion

.extend.bashrc

use_color=true

# 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

PROMPT_COMMAND='echo -ne "\033]0; $HOSTNAME: $PWD\007" '

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\[\033[01;36m\] \W\[\033[01;31m\]]\$\[\033[00m\] '
	else
		PS1='\[\033[01;32m\][\u@\h\[\033[01;37m\] \W\[\033[01;32m\]]\$\[\033[00m\] '
	fi
else
	if [[ ${EUID} == 0 ]] ; then
		# show root@ when we don't have colors
		PS1='\u@\h \W \$ '
	else
		PS1='\u@\h \w \$ '
	fi
fi

unset use_color safe_term match_lhs sh

xhost +local:root > /dev/null 2>&1

complete -cf sudo

# 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

shopt -s expand_aliases
shopt -u extdebug

# export QT_SELECT=4

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

# better yaourt colors
export YAOURT_COLORS="nb=1:pkg=1:ver=1;32:lver=1;45:installed=1;42:grp=1;34:od=1;41;5:votes=1;44:dsc=0:other=1;35"

man() {
    LESS_TERMCAP_md=$'\e[01;36;40m' \
    LESS_TERMCAP_me=$'\e[0m' \
    LESS_TERMCAP_so=$'\e[01;44;33m' \
    LESS_TERMCAP_se=$'\e[0m' \
    LESS_TERMCAP_us=$'\e[01;32m' \
    LESS_TERMCAP_ue=$'\e[0m' \
    #[[ $width -gt $MANWIDTH ]] && width=$MANWIDTH
    command man "$@"
}

# Powerline
if command -v powerline-daemon > /dev/null; then
    powerline-daemon -q
    POWERLINE_BASH_CONTINUATION=1
    POWERLINE_BASH_SELECT=1
    . $PY3_PKG/powerline/bindings/bash/powerline.sh
fi

# Awesome fonts activation
source ~/.fonts/*.sh

settitle() {
    if [ -n "$1" ]; then
        PROMPT_COMMAND='echo -ne "\033]0;$1\a"'
    else
        PROMPT_COMMAND='echo -ne "\033]0;Terminal - $HOSTNAME\a"'
    fi
}

calc() {
    bc -l <<< "$@"
}