MIAOU-BASH is a collection of settings and helpers for leveraging BASH. Developer-friendly, it may be used as solo package with or without the miaou project.
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#!/bin/bash
function __prompt_command {
local EXIT="$?" # This needs to be first
local R='\[\e[0m\]'
local Red='\[\e[31m\]'
local Gre='\[\e[32m\]'
local Yel='\[\e[33m\]'
local Blu='\[\e[34m\]'
local Cya='\[\e[36m\]'
local Mag='\[\e[95m\]'
local Gra='\[\e[90m\]'
# set xterm title
echo -ne "\033]0;${USER}@${HOSTNAME}: ${PWD}\007"
PS1=''
if [[ -n ${container_hostname:-} ]]; then
PS1+="${Gra}[LXC:${R}"
local host
host=$(builtin echo $container_hostname | tr ' ' ':')
case ${host:0:4} in
'beta')
PS1+="${Yel}"
;;
'prod')
PS1+="${Red}"
;;
*) ;;
esac
PS1+="${host}${Gra}] "
fi
if [[ "$(id -u)" -eq 0 ]]; then
PS1+="$Yel\u$R"
PROMPT='$'
else
PS1+="$Gre\u$R"
PROMPT='#'
fi
PS1+="${Gra}@"
case ${HOSTNAME:0:4} in
'beta')
PS1+="${Yel}"
;;
'prod')
PS1+="${Red}"
;;
*)
PS1+="${R}"
;;
esac
PS1+="\h"
local pwd='~'
[ "$PWD" != "$HOME" ] && pwd=${PWD/#$HOME\//\~\/}
PS1+=" ${Cya}${pwd}$(__vte_osc7)${R}"
if hash git 2>&-; then
# git command exists
if git rev-parse --git-dir >/dev/null 2>&1; then
# current dir is version controlled
local branch tag_release dirty
branch=$(git branch 2>/dev/null | grep -e ^* | cut -d ' ' -f2)
PS1+=" ${R}[${Mag}${branch}${R}|"
tag_release=$(git describe --tags 2>/dev/null | cut -d'-' -f1)
dirty=$(git status -s | wc -l)
if [[ $dirty -ne 0 ]]; then
PS1+="⚡|${tag_release}${Yel}$dirty"
else
local ahead=$(git rev-list --branches --not --remotes | wc -l)
if [[ $ahead -ne 0 ]]; then
PS1+="⚡|${tag_release}${Cya}${ahead}"
else
if [[ -z $tag_release ]]; then
PS1+="${Blu}"
else
PS1+="${Gre}${R}|${Blu}${tag_release}"
fi
fi
fi
PS1+="${R}]"
fi
fi
if [ $EXIT != 0 ]; then
PS1+="$Mag" # Add red if exit code non 0
else
PS1+="$Gra"
fi
PS1+=" $PROMPT ${R}"
}
function __vte_osc7 {
# HINT: special character vte to get TILIX show proper hostname and pwd
# Use \[...\] around the parts of PS1 that have length 0.
# https://unix.stackexchange.com/questions/28827/why-is-my-bash-prompt-getting-bugged-when-i-browse-the-history#28828
VTE_INFO="${HOSTNAME:-}"
if [[ -n ${container_hostname:-} ]]; then
local host
host=$(builtin echo $container_hostname | tr ' ' ':')
VTE_INFO="$host:$HOSTNAME"
fi
printf "\[\033]7;file://%s%s\a\]" "${VTE_INFO}" "$(__vte_urlencode "${PWD}")"
}
function __vte_urlencode {
# This is important to make sure string manipulation is handled
# byte-by-byte.
LC_ALL=C
str="$1"
while [ -n "$str" ]; do
safe="${str%%[!a-zA-Z0-9/:_\.\-\!\'\(\)~]*}"
printf "%s" "$safe"
str="${str#"$safe"}"
if [ -n "$str" ]; then
printf "%%%02X" "'$str"
str="${str#?}"
fi
done
}
###------
### MAIN
###------
# If not running interactively, don't do anything
case $- in
*i*) ;;
*) return ;;
esac
# don't put duplicate lines or lines starting with space in the history.
HISTCONTROL=ignoreboth
# append to the history file, don't overwrite it
shopt -s histappend
# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=10000
HISTFILESIZE=20000
# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize
# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"
# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
xterm-color | *-256color)
color_prompt=yes
export COLOR_OPTIONS=' --color=auto'
;;
esac
export LS_COLORS="rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.sql.gz=01;35:*.mariadb.gz=01;35:*.postgres.gz=01;35:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:"
export LESS="r"
# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if ! shopt -oq posix; then
if [ -f /usr/share/bash-completion/bash_completion ]; then
. /usr/share/bash-completion/bash_completion
elif [ -f /etc/bash_completion ]; then
. /etc/bash_completion
fi
fi
# prevent CTRL+S to freeze in vim, CTRL+Q to unfreeze!
stty -ixon
PROMPT_COMMAND='__prompt_command' # Func to gen PS1 after CMDs
MIAOU_BASH_DIR=/opt/miaou-bash
# ALIASES
alias sudo='sudo ' # smart sudo alias trick!
alias ls='ls $COLOR_OPTIONS -h'
alias ll='ls $COLOR_OPTIONS -lh'
alias la='ls $COLOR_OPTIONS -lah'
alias ltr='ls $COLOR_OPTIONS -ltrh'
alias l=ls
alias cd..='cd ..'
alias ..=cd..
alias grep='grep $COLOR_OPTIONS'
alias fgrep='fgrep $COLOR_OPTIONS'
alias egrep='egrep $COLOR_OPTIONS'
alias transfer_cp='rsync -a --info=progress2 --no-inc-recursive'
# shellcheck disable=SC2142
alias ssu="ss -ntelp | perl -pne 'if(/uid:(\\d+)/){@a=getpwuid(\$1);s/uid:(\\d+)/user:\$a[0]/}' | awk '{ print \$4 \"\\t\" \$7 \"\\t\" \$6 }'"
# shellcheck disable=SC2142
alias ssu4="ss -ntel4p | perl -pne 'if(/uid:(\\d+)/){@a=getpwuid(\$1);s/uid:(\\d+)/user:\$a[0]/}' | awk '{ print \$4 \"\\t\\t\" \$7 \"\\t\\t\" \$6 }'"
# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.
if [ -f "$HOME/.bash_aliases" ]; then
. "$HOME/.bash_aliases"
fi
# Add path to any tools folder in /opt/miaou-*
for i in {/opt,$HOME}/miaou-*/tools; do
if [ -d "$i" ]; then
PATH=$PATH:$i
fi
done
## Add path for TOOLBOX if any
if [ -d "/TOOLBOX" ]; then
PATH=$PATH:/TOOLBOX
fi