manjaro.bashrc

#
# ~/.bashrc
#

[[ $- != *i* ]] && return

colors() {
	local fgc bgc vals seq0

	printf "Color escapes are %s\n" '\e[${value};...;${value}m'
	printf "Values 30..37 are \e[33mforeground colors\e[m\n"
	printf "Values 40..47 are \e[43mbackground colors\e[m\n"
	printf "Value  1 gives a  \e[1mbold-faced look\e[m\n\n"

	# foreground colors
	for fgc in {30..37}; do
		# background colors
		for bgc in {40..47}; do
			fgc=${fgc#37} # white
			bgc=${bgc#40} # black

			vals="${fgc:+$fgc;}${bgc}"
			vals=${vals%%;}

			seq0="${vals:+\e[${vals}m}"
			printf "  %-9s" "${seq0:-(default)}"
			printf " ${seq0}TEXT\e[m"
			printf " \e[${vals:+${vals+$vals;}}1mBOLD\e[m"
		done
		echo; echo
	done
}

[ -r /usr/share/bash-completion/bash_completion ] && . /usr/share/bash-completion/bash_completion

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

use_color=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

# Use 'cls' and 'crep' to always enable colors
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

    # Layout: "user@host:workdir$ "
    # Colors, all bold:
    #   user@host = yellow
    #   workdir = blue
    #   ':' and '$' = white
    # See colors list at https://unix.stackexchange.com/a/124408
	if [[ ${EUID} == 0 ]] ; then
		PS1='\[\033[01;33m\]\h\[\033[01;37m\]:\[\033[01;34m\]\w\[\033[01;37m\]\$\[\033[00m\] '
	else
		PS1='\[\033[01;33m\]\u@\h\[\033[01;37m\]:\[\033[01;34m\]\w\[\033[01;37m\]\$\[\033[00m\] '
	fi

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

    alias cls='ls --color=always'
    alias crep='grep --color=always'
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

# 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

# export QT_SELECT=4

###
# BEGIN: history configuration
###
# Don't put duplicate lines or lines starting with space in the history
HISTCONTROL=ignoreboth

# Enable history appending instead of overwriting
shopt -s histappend

# See HISTSIZE and HISTFILESIZE in man bash
HISTSIZE=2000

# Display date and time stamps
HISTTIMEFORMAT="%F %T "

# Eternal history with its grep facility
PROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND ; }"'echo $$ $USER "$(history 1)" >> ~/.bash_eternal_history'
eternalhistory () { grep "$1" ~/.bash_eternal_history; }
###
# END: history configuration
###

###
# BEGIN: less stuff
###
# Make less more friendly for non-text input files, see man lesspipe
[ -x /usr/bin/lesspipe.sh ] && eval "$(SHELL=/bin/sh lesspipe.sh)"

export LESS="-R"

# Use 'tless' to list compressed tarballs
# For some reason, lesspipe won't work with them
# Let's do it the old way
tless () {
    flag=
    case "$1" in
        *.bz2) flag=j;;
        *.gz) flag=z;;
        *.xz) flag=J;;
        *)
            echo "No .bz2 .gz or .xz file given"
            return 1
            ;;
    esac
    lssopn=${LESSOPEN}
    LESSOPEN=
    tar tv"$flag"f "$1" | tarcolor | less
    LESSOPEN=${lssopn}
}

# Use 'cless' for syntax highlighting
cless () {
    if [[ -f /usr/bin/src-hilite-lesspipe.sh ]]; then
        lssopn=${LESSOPEN}
        LESSOPEN="|/usr/bin/src-hilite-lesspipe.sh %s"
        less "$@"
        LESSOPEN=${lssopn}
    else
        echo "source-highlight script not found at /usr/bin/src-hilite-lesspipe.sh"
        echo "You can install the package with:"
        echo "sudo pacman -S source-highlight"
    fi
}
###
# END: less stuff
###

#
# # ex - archive extractor
# # usage: ex <file>
ex ()
{
  if [ -f $1 ] ; then
    case $1 in
      *.tar.bz2)   tar xjf $1   ;;
      *.tar.gz)    tar xzf $1   ;;
      *.bz2)       bunzip2 $1   ;;
      *.rar)       unrar x $1     ;;
      *.gz)        gunzip $1    ;;
      *.tar)       tar xf $1    ;;
      *.tbz2)      tar xjf $1   ;;
      *.tgz)       tar xzf $1   ;;
      *.zip)       unzip $1     ;;
      *.Z)         uncompress $1;;
      *.7z)        7z x $1      ;;
      *)           echo "'$1' cannot be extracted via ex()" ;;
    esac
  else
    echo "'$1' is not a valid file"
  fi
}

# Pretty-print coloured JSON
j () { jq -C '.' "$1" | less; }

# Aliases
if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi