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.bashrc
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.bashrc
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# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples
# If not running interactively, don't do anything
case $- in
*i*) ;;
*) return;;
esac
# don't put duplicate lines or lines starting with space in the history.
# See bash(1) for more options
HISTCONTROL=ignoreboth
# append to the history file, don't overwrite it
shopt -s histappend
# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=1000
HISTFILESIZE=2000
# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize
# If set, the pattern "**" used in a pathname expansion context will
# match all files and zero or more directories and subdirectories.
#shopt -s globstar
# make less more friendly for non-text input files, see lesspipe(1)
#[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"
# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
debian_chroot=$(cat /etc/debian_chroot)
fi
# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
xterm-color|*-256color) color_prompt=yes;;
esac
# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
force_color_prompt=yes
if [ -n "$force_color_prompt" ]; then
if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
# We have color support; assume it's compliant with Ecma-48
# (ISO/IEC-6429). (Lack of such support is extremely rare, and such
# a case would tend to support setf rather than setaf.)
color_prompt=yes
else
color_prompt=
fi
fi
if [ "$color_prompt" = yes ]; then
# override default virtualenv indicator in prompt
VIRTUAL_ENV_DISABLE_PROMPT=1
prompt_color='\[\033[;32m\]'
info_color='\[\033[1;34m\]'
prompt_symbol=㉿
if [ "$EUID" -eq 0 ]; then # Change prompt colors for root user
prompt_color='\[\033[;94m\]'
info_color='\[\033[1;31m\]'
prompt_symbol=💀
fi
PS1=$prompt_color'┌──${debian_chroot:+($debian_chroot)──}${VIRTUAL_ENV:+(\[\033[0;1m\]$(basename $VIRTUAL_ENV)'$prompt_color')}('$info_color'\u${prompt_symbol}\h'$prompt_color')-[\[\033[0;1m\]\w'$prompt_color']\n'$prompt_color'└─'$info_color'\$\[\033[0m\] '
# BackTrack red prompt
#PS1='${VIRTUAL_ENV:+($(basename $VIRTUAL_ENV)) }${debian_chroot:+($debian_chroot)}\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt
# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
;;
*)
;;
esac
# enable color support of ls, less and man, and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
alias ls='ls --color=auto'
#alias dir='dir --color=auto'
#alias vdir='vdir --color=auto'
alias grep='grep --color=auto'
alias fgrep='fgrep --color=auto'
alias egrep='egrep --color=auto'
alias diff='diff --color=auto'
alias ip='ip --color=auto'
export LESS_TERMCAP_mb=$'\E[1;31m' # begin blink
export LESS_TERMCAP_md=$'\E[1;36m' # begin bold
export LESS_TERMCAP_me=$'\E[0m' # reset bold/blink
export LESS_TERMCAP_so=$'\E[01;33m' # begin reverse video
export LESS_TERMCAP_se=$'\E[0m' # reset reverse video
export LESS_TERMCAP_us=$'\E[1;32m' # begin underline
export LESS_TERMCAP_ue=$'\E[0m' # reset underline
fi
# colored GCC warnings and errors
#export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'
# some more ls aliases
alias ll='ls -l'
alias la='ls -A'
alias l='ls -CF'
# 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 ~/.bash_aliases ]; then
. ~/.bash_aliases
fi
# 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
## +-----------------------------------+-----------------------------------+
## | |
## | FANCY BASH PROMT |
## | |
## | Copyright (c) 2018, Andres Gongora <[email protected]>. |
## | |
## | This program is free software: you can redistribute it and/or modify |
## | it under the terms of the GNU General Public License as published by |
## | the Free Software Foundation, either version 3 of the License, or |
## | (at your option) any later version. |
## | |
## | This program is distributed in the hope that it will be useful, |
## | but WITHOUT ANY WARRANTY; without even the implied warranty of |
## | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
## | GNU General Public License for more details. |
## | |
## | You should have received a copy of the GNU General Public License |
## | along with this program. If not, see <http://www.gnu.org/licenses/>. |
## | |
## +-----------------------------------------------------------------------+
##
## DESCRIPTION:
## This script updates your "PS1" environment variable to display colors.
## Addicitionally, it also shortens the name of your current part to maximum
## 25 characters, which is quite useful when working in deeply nested folders.
##
##
##
## INSTALLATION:
## Copy this script to your home folder and rename it to ".fancy-bash-promt.sh"
## Run this command from any terminal:
## echo "source ~/.fancy-bash-promt.sh" >> ~/.bashrc
##
## Alternatively, copy the content of this file into your .bashrc file
##
##
##
## FUNCTIONS:
##
## * bash_prompt_command()
## This function takes your current working directory and stores a shortened
## version in the variable "NEW_PWD".
##
## * format_font()
## A small helper function to generate color formating codes from simple
## number codes (defined below as local variables for convenience).
##
## * bash_prompt()
## This function colorizes the bash promt. The exact color scheme can be
## configured here. The structure of the function is as follows:
## 1. A. Definition of available colors for 16 bits.
## 1. B. Definition of some colors for 256 bits (add your own).
## 2. Configuration >> EDIT YOUR PROMT HERE<<.
## 4. Generation of color codes.
## 5. Generation of window title (some terminal expect the first
## part of $PS1 to be the window title)
## 6. Formating of the bash promt ($PS1).
##
## * Main script body:
## It calls the adequate helper functions to colorize your promt and sets
## a hook to regenerate your working directory "NEW_PWD" when you change it.
##
################################################################################
## FUNCTIONS ##
################################################################################
##
## ARRANGE $PWD AND STORE IT IN $NEW_PWD
## * The home directory (HOME) is replaced with a ~
## * The last pwdmaxlen characters of the PWD are displayed
## * Leading partial directory names are striped off
## /home/me/stuff -> ~/stuff (if USER=me)
## /usr/share/big_dir_name -> ../share/big_dir_name (if pwdmaxlen=20)
##
## Original source: WOLFMAN'S color bash promt
## https://wiki.chakralinux.org/index.php?title=Color_Bash_Prompt#Wolfman.27s
##
bash_prompt_command() {
# How many characters of the $PWD should be kept
local pwdmaxlen=25
# Indicate that there has been dir truncation
local trunc_symbol=".."
# Store local dir
local dir=${PWD##*/}
# Which length to use
pwdmaxlen=$(( ( pwdmaxlen < ${#dir} ) ? ${#dir} : pwdmaxlen ))
NEW_PWD=${PWD/#$HOME/\~}
local pwdoffset=$(( ${#NEW_PWD} - pwdmaxlen ))
# Generate name
if [ ${pwdoffset} -gt "0" ]
then
NEW_PWD=${NEW_PWD:$pwdoffset:$pwdmaxlen}
NEW_PWD=${trunc_symbol}/${NEW_PWD#*/}
fi
}
##
## GENERATE A FORMAT SEQUENCE
##
format_font()
{
## FIRST ARGUMENT TO RETURN FORMAT STRING
local output=$1
case $# in
2)
eval $output="'\[\033[0;${2}m\]'"
;;
3)
eval $output="'\[\033[0;${2};${3}m\]'"
;;
4)
eval $output="'\[\033[0;${2};${3};${4}m\]'"
;;
*)
eval $output="'\[\033[0m\]'"
;;
esac
}
##
## COLORIZE BASH PROMT
##
bash_prompt() {
############################################################################
## COLOR CODES ##
## These can be used in the configuration below ##
############################################################################
## FONT EFFECT
local NONE='0'
local BOLD='1'
local DIM='2'
local UNDERLINE='4'
local BLINK='5'
local INVERT='7'
local HIDDEN='8'
## COLORS
local DEFAULT='9'
local BLACK='0'
local RED='1'
local GREEN='2'
local YELLOW='3'
local BLUE='4'
local MAGENTA='5'
local CYAN='6'
local L_GRAY='7'
local D_GRAY='60'
local L_RED='61'
local L_GREEN='62'
local L_YELLOW='63'
local L_BLUE='64'
local L_MAGENTA='65'
local L_CYAN='66'
local WHITE='67'
## TYPE
local RESET='0'
local EFFECT='0'
local COLOR='30'
local BG='40'
## 256 COLOR CODES
local NO_FORMAT="\[\033[0m\]"
local ORANGE_BOLD="\[\033[1;38;5;208m\]"
local TOXIC_GREEN_BOLD="\[\033[1;38;5;118m\]"
local RED_BOLD="\[\033[1;38;5;1m\]"
local CYAN_BOLD="\[\033[1;38;5;87m\]"
local BLACK_BOLD="\[\033[1;38;5;0m\]"
local WHITE_BOLD="\[\033[1;38;5;15m\]"
local GRAY_BOLD="\[\033[1;90m\]"
local BLUE_BOLD="\[\033[1;38;5;74m\]"
## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
## CONFIGURE HERE ##
############################################################################
## CONFIGURATION ##
## Choose your color combination here ##
############################################################################
local FONT_COLOR_1=$WHITE
local BACKGROUND_1=$BLUE
local TEXTEFFECT_1=$BOLD
local FONT_COLOR_2=$WHITE
local BACKGROUND_2=$L_BLUE
local TEXTEFFECT_2=$BOLD
local FONT_COLOR_3=$D_GRAY
local BACKGROUND_3=$WHITE
local TEXTEFFECT_3=$BOLD
local PROMT_FORMAT=$BLUE_BOLD
############################################################################
## EXAMPLE CONFIGURATIONS ##
## I use them for different hosts. Test them out ;) ##
############################################################################
## CONFIGURATION: BLUE-WHITE
if [ "$HOSTNAME" = dell ]; then
FONT_COLOR_1=$WHITE; BACKGROUND_1=$BLUE; TEXTEFFECT_1=$BOLD
FONT_COLOR_2=$WHITE; BACKGROUND_2=$L_BLUE; TEXTEFFECT_2=$BOLD
FONT_COLOR_3=$D_GRAY; BACKGROUND_3=$WHITE; TEXTEFFECT_3=$BOLD
PROMT_FORMAT=$CYAN_BOLD
fi
## CONFIGURATION: BLACK-RED
if [ "$HOSTNAME" = giraff6 ]; then
FONT_COLOR_1=$WHITE; BACKGROUND_1=$BLACK; TEXTEFFECT_1=$BOLD
FONT_COLOR_2=$WHITE; BACKGROUND_2=$D_GRAY; TEXTEFFECT_2=$BOLD
FONT_COLOR_3=$WHITE; BACKGROUND_3=$RED; TEXTEFFECT_3=$BOLD
PROMT_FORMAT=$RED_BOLD
fi
## CONFIGURATION: RED-BLACK
#FONT_COLOR_1=$WHITE; BACKGROUND_1=$RED; TEXTEFFECT_1=$BOLD
#FONT_COLOR_2=$WHITE; BACKGROUND_2=$D_GRAY; TEXTEFFECT_2=$BOLD
#FONT_COLOR_3=$WHITE; BACKGROUND_3=$BLACK; TEXTEFFECT_3=$BOLD
#PROMT_FORMAT=$RED_BOLD
## CONFIGURATION: CYAN-BLUE
if [ "$HOSTNAME" = sharkoon ]; then
FONT_COLOR_1=$BLACK; BACKGROUND_1=$L_CYAN; TEXTEFFECT_1=$BOLD
FONT_COLOR_2=$WHITE; BACKGROUND_2=$L_BLUE; TEXTEFFECT_2=$BOLD
FONT_COLOR_3=$WHITE; BACKGROUND_3=$BLUE; TEXTEFFECT_3=$BOLD
PROMT_FORMAT=$CYAN_BOLD
fi
## CONFIGURATION: GRAY-SCALE
if [ "$HOSTNAME" = giraff ]; then
FONT_COLOR_1=$WHITE; BACKGROUND_1=$BLACK; TEXTEFFECT_1=$BOLD
FONT_COLOR_2=$WHITE; BACKGROUND_2=$D_GRAY; TEXTEFFECT_2=$BOLD
FONT_COLOR_3=$WHITE; BACKGROUND_3=$L_GRAY; TEXTEFFECT_3=$BOLD
PROMT_FORMAT=$BLACK_BOLD
fi
## CONFIGURATION: GRAY-CYAN
if [ "$HOSTNAME" = light ]; then
FONT_COLOR_1=$WHITE; BACKGROUND_1=$BLACK; TEXTEFFECT_1=$BOLD
FONT_COLOR_2=$WHITE; BACKGROUND_2=$D_GRAY; TEXTEFFECT_2=$BOLD
FONT_COLOR_3=$BLACK; BACKGROUND_3=$L_CYAN; TEXTEFFECT_3=$BOLD
PROMT_FORMAT=$CYAN_BOLD
fi
## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
############################################################################
## TEXT FORMATING ##
## Generate the text formating according to configuration ##
############################################################################
## CONVERT CODES: add offset
FC1=$(($FONT_COLOR_1+$COLOR))
BG1=$(($BACKGROUND_1+$BG))
FE1=$(($TEXTEFFECT_1+$EFFECT))
FC2=$(($FONT_COLOR_2+$COLOR))
BG2=$(($BACKGROUND_2+$BG))
FE2=$(($TEXTEFFECT_2+$EFFECT))
FC3=$(($FONT_COLOR_3+$COLOR))
BG3=$(($BACKGROUND_3+$BG))
FE3=$(($TEXTEFFECT_3+$EFFECT))
FC4=$(($FONT_COLOR_4+$COLOR))
BG4=$(($BACKGROUND_4+$BG))
FE4=$(($TEXTEFFECT_4+$EFFECT))
## CALL FORMATING HELPER FUNCTION: effect + font color + BG color
local TEXT_FORMAT_1
local TEXT_FORMAT_2
local TEXT_FORMAT_3
local TEXT_FORMAT_4
format_font TEXT_FORMAT_1 $FE1 $FC1 $BG1
format_font TEXT_FORMAT_2 $FE2 $FC2 $BG2
format_font TEXT_FORMAT_3 $FC3 $FE3 $BG3
format_font TEXT_FORMAT_4 $FC4 $FE4 $BG4
# GENERATE PROMT SECTIONS
local PROMT_USER=$"$TEXT_FORMAT_1 \u "
local PROMT_HOST=$"$TEXT_FORMAT_2 \h "
local PROMT_PWD=$"$TEXT_FORMAT_3 \${NEW_PWD} "
local PROMT_INPUT=$"$PROMT_FORMAT "
############################################################################
## SEPARATOR FORMATING ##
## Generate the separators between sections ##
## Uses background colors of the sections ##
############################################################################
## CONVERT CODES
TSFC1=$(($BACKGROUND_1+$COLOR))
TSBG1=$(($BACKGROUND_2+$BG))
TSFC2=$(($BACKGROUND_2+$COLOR))
TSBG2=$(($BACKGROUND_3+$BG))
TSFC3=$(($BACKGROUND_3+$COLOR))
TSBG3=$(($DEFAULT+$BG))
## CALL FORMATING HELPER FUNCTION: effect + font color + BG color
local SEPARATOR_FORMAT_1
local SEPARATOR_FORMAT_2
local SEPARATOR_FORMAT_3
format_font SEPARATOR_FORMAT_1 $TSFC1 $TSBG1
format_font SEPARATOR_FORMAT_2 $TSFC2 $TSBG2
format_font SEPARATOR_FORMAT_3 $TSFC3 $TSBG3
# GENERATE SEPARATORS WITH FANCY TRIANGLE
local TRIANGLE=$'\uE0B0'
local SEPARATOR_1=$SEPARATOR_FORMAT_1$TRIANGLE
local SEPARATOR_2=$SEPARATOR_FORMAT_2$TRIANGLE
local SEPARATOR_3=$SEPARATOR_FORMAT_3$TRIANGLE
############################################################################
## WINDOW TITLE ##
## Prevent messed up terminal-window titles ##
############################################################################
case $TERM in
xterm*|rxvt*)
local TITLEBAR='\[\033]0;\u:${NEW_PWD}\007\]'
;;
*)
local TITLEBAR=""
;;
esac
############################################################################
## BASH PROMT ##
## Generate promt and remove format from the rest ##
############################################################################
PS1="$TITLEBAR\n${PROMT_USER}${SEPARATOR_1}${PROMT_HOST}${SEPARATOR_2}${PROMT_PWD}${SEPARATOR_3}${PROMT_INPUT}"
## For terminal line coloring, leaving the rest standard
none="$(tput sgr0)"
trap 'echo -ne "${none}"' DEBUG
}
################################################################################
## MAIN ##
################################################################################
## Bash provides an environment variable called PROMPT_COMMAND.
## The contents of this variable are executed as a regular Bash command
## just before Bash displays a prompt.
## We want it to call our own command to truncate PWD and store it in NEW_PWD
PROMPT_COMMAND=bash_prompt_command
## Call bash_promnt only once, then unset it (not needed any more)
## It will set $PS1 with colors and relative to $NEW_PWD,
## which gets updated by $PROMT_COMMAND on behalf of the terminal
bash_prompt
unset bash_prompt
### EOF ###