.bashrc

#!/bin/bash
# ~/.bashrc: executed by bash(1) for non-login shells.

# If not running interactively, don't do anything
case $- in
    *i*) ;;
      *) return;;
esac

# Check and install required packages if missing
command -v lesspipe >/dev/null 2>&1 || { echo >&2 "Installing less..."; sudo apt-get install less; }
command -v dircolors >/dev/null 2>&1 || { echo >&2 "Installing coreutils..."; sudo apt-get install coreutils; }
command -v notify-send >/dev/null 2>&1 || { echo >&2 "Installing libnotify-bin..."; sudo apt-get install libnotify-bin; }
[ -f /usr/share/bash-completion/bash_completion ] || [ -f /etc/bash_completion ] || { echo >&2 "Installing bash-completion..."; sudo apt-get install bash-completion; }

# Append to the history file, don't overwrite it
shopt -s histappend

# Set history length
HISTSIZE=1000
HISTFILESIZE=2000

# Check the window size after each command
shopt -s checkwinsize

# Make less more friendly for non-text input files
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

# Set variable identifying the chroot you work in
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

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
	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

# Enable color support of ls and 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 grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# Some more ls aliases
alias ll='ls -alFh'
alias la='ls -A'
alias l='ls -CF'

# Add an "alert" alias for long running commands
alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'

# Source ~/.bash_aliases if it exists
if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# Enable programmable completion features
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

export EDITOR="nano"
HISTTIMEFORMAT="%F %T "
HISTCONTROL=ignoredups

[ -f "$HOME/.git-prompt.sh" ] || { echo >&2 "Git prompt script not found. Downloading..."; curl -o ~/.git-prompt.sh https://raw.githubusercontent.com/git/git/master/contrib/completion/git-prompt.sh; }
. ~/.git-prompt.sh # https://github.com/git/git/blob/master/contrib/completion/git-prompt.sh

PROMPT_COMMAND='PS1_CMD1=$(__git_ps1 " (%s)")'; PS1='\[\e[92m\]\u@\h:\[\e[38;5;33m\]\w\[\e[38;5;88m\]${PS1_CMD1}\[\e[0m\] \n\$ '