miaou-bash/bash.bashrc

#!/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='\[\e[93m\]'
    local Blu='\[\e[34m\]'
    local Cya='\[\e[36m\]'
    local Mag='\[\e[95m\]'
    local Gra='\[\e[90m\]'

    local DIVERGENT_GIT_SYMBOL="${Yel}➾${R}"
    local SYNCHRONIZED_GIT_SYMBOL="${Gre}✔${R}"
    local PUSHED_NEEDED_SYMBOL='⥱'
    local TAG_NEEDED_SYMBOL='⤽'

    # 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 [[ $dirty -ne 0 ]]; then
                PS1+="${Yel}${DIVERGENT_GIT_SYMBOL}${R}|${tag_release}${Yel}…$dirty"
            else
                local ahead
                ahead=$(git rev-list --branches --not --remotes | wc -l)

                if [[ $ahead -ne 0 ]]; then
                    PS1+="${DIVERGENT_GIT_SYMBOL}|${tag_release}${Yel}${PUSHED_NEEDED_SYMBOL}${ahead}"
                else
                    if [[ -z $tag_release ]]; then
                        PS1+="${SYNCHRONIZED_GIT_SYMBOL}"
                    else
                        local commit_ahead
                        commit_ahead=$(git log "$tag_release"..HEAD --oneline | wc -l)

                        if [[ $commit_ahead -gt 0 ]]; then
                            PS1+="${DIVERGENT_GIT_SYMBOL}|${tag_release}${Cya}${TAG_NEEDED_SYMBOL}${commit_ahead}"
                        else
                            PS1+="${SYNCHRONIZED_GIT_SYMBOL}|${Cya}${tag_release}"
                        fi
                    fi
                fi
            fi
            PS1+="${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