bashrc

# ~/.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
[ -z "$PS1" ] && return

# don't put duplicate lines in the history. See bash(1) for more options
# don't overwrite GNU Midnight Commander's setting of `ignorespace'.
HISTCONTROL=$HISTCONTROL${HISTCONTROL+,}ignoredups
# ... or force ignoredups and ignorespace
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)

# 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 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) 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 [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\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

# 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 [ -f /etc/bash_completion ] && ! shopt -oq posix; then
    . /etc/bash_completion
fi

# PS1
bash_prompt_command() {
  # How many characters of the $PWD should be kept
  local pwdmaxlen=25
  # Indicate that there has been dir truncation
  local trunc_symbol=".."
  local dir=${PWD##*/}
  pwdmaxlen=$(( ( pwdmaxlen < ${#dir} ) ? ${#dir} : pwdmaxlen ))
  NEW_PWD=${PWD/#$HOME/\~}
  local pwdoffset=$(( ${#NEW_PWD} - pwdmaxlen ))
  if [ ${pwdoffset} -gt "0" ]
    then
    NEW_PWD=${NEW_PWD:$pwdoffset:$pwdmaxlen}
    NEW_PWD=${trunc_symbol}/${NEW_PWD#*/}
  fi  
}

bash_prompt() {
  case $TERM in
  xterm*|rxvt*)
    local TITLEBAR='\[\033]0;\u:${NEW_PWD}\007\]'
    ;;  
  *)  
    local TITLEBAR=""
  ;;  
  esac
  local NONE="\[\033[0m\]"    # unsets color to term's fg color

  # regular colors
  local K="\[\033[0;30m\]"    # black
  local R="\[\033[0;31m\]"    # red
  local G="\[\033[0;32m\]"    # green
  local Y="\[\033[0;33m\]"    # yellow
  local B="\[\033[0;34m\]"    # blue
  local M="\[\033[0;35m\]"    # magenta
  local C="\[\033[0;36m\]"    # cyan
  local W="\[\033[0;37m\]"    # white

  # emphasized (bolded) colors
  local EMK="\[\033[1;30m\]"
  local EMR="\[\033[1;31m\]"
  local EMG="\[\033[1;32m\]"
  local EMY="\[\033[1;33m\]"
  local EMB="\[\033[1;34m\]"
  local EMM="\[\033[1;35m\]"
  local EMC="\[\033[1;36m\]"
  local EMW="\[\033[1;37m\]"

  # background colors
  local BGK="\[\033[40m\]"
  local BGR="\[\033[41m\]"
  local BGG="\[\033[42m\]"
  local BGY="\[\033[43m\]"
  local BGB="\[\033[44m\]"
  local BGM="\[\033[45m\]"
  local BGC="\[\033[46m\]"
  local BGW="\[\033[47m\]"

  local UC=$W                 # user's color
  [ $UID -eq "0" ] && UC=$R   # root's color

  PS1="${EMK}[${UC}\u${EMK}@${UC}\h ${EMB}\${NEW_PWD}${EMK}]${UC}\\$ ${NONE}"
  # without colors: PS1="[\u@\h \${NEW_PWD}]\\$ "
  # extra backslash in front of \$ to make bash colorize the prompt
}

PROMPT_COMMAND=bash_prompt_command
bash_prompt
unset bash_prompt

# BIN
if [ -d ~/bin ] ; then
  PATH=~/bin:"${PATH}"
fi

[ -f ~/.fzf.bash ] && source ~/.fzf.bash