dotfiles/.bashrc

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#!/bin/bash
# Blake's bashrc
# ZSH supremacy
# 99.99% of this is the default bashrc for manjaro, I just liked it so I took
# it, and I don't use bash enough to care. The main job of this is to load my
# basic shell configuration, which works in any POSIX shell.
# If not running interactively, don't do anything
[[ $- != *i* ]] && return
# Just in case
export SHELL_CONFIG_DIR="${SHELL_CONFIG_DIR:-"${XDG_CONFIG_HOME:-"$HOME/.config"}/shell"}"
# Source standard shell configuration
[ -f "$SHELL_CONFIG_DIR/shrc" ] && source "$SHELL_CONFIG_DIR/shrc"
### (mostly) Manjaro default bashrc >>>
[ -r /usr/share/bash-completion/bash_completion ] && . /usr/share/bash-completion/bash_completion
# Change the window title of X terminals
case ${TERM} in
(screen*)
PROMPT_COMMAND=('echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\033\\"')
;;
(xterm*|rxvt*|Eterm*|aterm|kterm|gnome*|interix|konsole*|*)
PROMPT_COMMAND=('echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\007"')
;;
esac
use_color=true
# Set colorful PS1 only on colorful terminals.
# dircolors --print-database uses its own built-in database
# instead of using /etc/DIR_COLORS. Try to use the external file
# first to take advantage of user additions. Use internal bash
# globbing instead of external grep binary.
safe_term=${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
if ${use_color} ; then
# Enable colors for ls, etc. Prefer ~/.dir_colors #64489
if type -P dircolors >/dev/null ; then
# shellcheck disable=SC2046
if [[ -f ~/.dir_colors ]] ; then
eval $(dircolors -b ~/.dir_colors)
elif [[ -f /etc/DIR_COLORS ]] ; then
eval $(dircolors -b /etc/DIR_COLORS)
fi
fi
# given a list of colors, make variables called `col_COLOR`
# $@ - the color list (color=number)
# $color_mod - a modifier to apply to the color (01 = bold, 00 = nothing)
make_colors() {
local -- a
for a; do
local -- cname="col_${a%%=*}${modname:+_}${modname:-}"
local -- val="${a#*=}"
local -- ccode="${val}"
declare -rg "$cname"='['"$ccode"m
# declare -p "$cname"
done
}
# set prompt (see: man bash -> search for '^PROMPTING')
make_colors \
red=31 green=32 yellow=33 blue=34 purple=35 turquoise=36 white=37 black=38 grey=90 \
normal=00 bold=01 quiet=02 italic=03 under=04 bg=07 strike=09
col_end=''
# shellcheck disable=SC2154
if [[ ${EUID} == 0 ]] ; then
ps1_color1="$col_bold$col_red"
ps1_color2="$col_bold$col_blue"
host='\h'
else
ps1_color1="$col_bold$col_green"
ps1_color2="$col_bold$col_white"
host='\u@\h'
fi
PS1='\[$ps1_color1\]['"$host"'\[$ps1_color2\] \W\[$ps1_color1\]]\[$status_col\]$status\[$ps1_color1\]\$\[$col_end\] '
# assign $status to the exit code of the previous command, color it white on failure
fmt_exit_status() {
status=$?
status_col="$col_end"
case $status in
(0)
# shellcheck disable=SC2154
status_col+="$col_grey"
;;
(*)
status_col+="$col_bold$col_white"
;;
esac
}
PROMPT_COMMAND+=("fmt_exit_status")
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
alias cp="cp -i" # confirm before overwriting something
alias df='df -h' # human-readable sizes
alias free='free -m' # show sizes in MB
alias np='nano -w PKGBUILD'
alias more=less
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
# export QT_SELECT=4
# Enable history appending instead of overwriting. #139609
shopt -s histappend
#
# # 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
}
# <<<
# vim:fdm=marker:fmr=>>>,<<<:et:ft=bash:sw=3:ts=3