My custom bashrc

.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
export HISTCONTROL=ignoredups

# 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 "$TERM" in
xterm-color)
    PS1='[${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\h\[\033[00m\]] \[\033[01;34m\]\w\[\033[00m\]\$ '
    ;;
*)
    PS1='$ '
    ;;
esac
#change the title
case "$TERM" in
xterm*|rxvt*)
	PROMPT_COMMAND='echo -ne "\033]0;${PWD}\007"'
	#PROMPT_COMMAND='echo -ne "${PWD}\007"'
	;;
*)
	;;
esac

# enable color support of ls and also add handy aliases
if [ "$TERM" != "dumb" ]; then
    eval "`dircolors -b`"
    alias ls='ls --color=auto'
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 ]; then
    . /etc/bash_completion
fi

extract () {
     if [ -f $1 ] ; then
         case $1 in
             *.tar.bz2)   tar xjf $1        ;;
             *.tar.gz)    tar xzf $1     ;;
             *.bz2)       bunzip2 $1       ;;
             *.rar)       rar x $1     ;;
             *.gz)        gunzip $1     ;;
             *.tar)       tar xf $1        ;;
             *.tbz2)      tar xjf $1      ;;
             *.tgz)       tar xzf $1       ;;
             *.zip)       unzip $1     ;;
             *.Z)         uncompress $1  ;;
             *.7z)        7z x $1    ;;
             *)           echo "'$1' cannot be extracted via extract()" ;;
         esac
     else
         echo "'$1' is not a valid file"
     fi
}

#netinfo - shows network information for your system
netinfo ()
{
echo "--------------- Network Information ---------------"
/sbin/ifconfig | awk /'inet addr/ {print $2}'
/sbin/ifconfig | awk /'Bcast/ {print $3}'
/sbin/ifconfig | awk /'inet addr/ {print $4}'
/sbin/ifconfig | awk /'HWaddr/ {print $4,$5}'
myip=`lynx -dump -hiddenlinks=ignore -nolist http://checkip.dyndns.org:8245/ | sed '/^$/d; s/^[ ]*//g; s/[ ]*$//g' `
echo "${myip}"
echo "---------------------------------------------------"
}

#dirsize - finds directory sizes and lists them for the current directory
dirsize ()
{
du -shx * .[a-zA-Z0-9_]* 2> /dev/null | \
egrep '^ *[0-9.]*[MG]' | sort -n > /tmp/list
egrep '^ *[0-9.]*M' /tmp/list
egrep '^ *[0-9.]*G' /tmp/list
rm -rf /tmp/list
}

#copy and go to dir
cpg (){
  if [ -d "$2" ];then
    cp $1 $2 && cd $2
  else
    cp $1 $2
  fi
}

#move and go to dir
mvg (){
  if [ -d "$2" ];then
    mv $1 $2 && cd $2
  else
    mv $1 $2
  fi
}

# Directory navigation aliases
alias ..='cd ..'
alias ...='cd ../..'
alias ....='cd ../../..'
alias .....='cd ../../../..'

# Custom dir folder explorer for ubuntu. 
alias ll='ls -l'

export OOO_FORCE_DESKTOP=gnome 

# RVM Initialize system bash to make works RVM when starts bash.
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" 

#Custom PS1 to show which version and branch you're using at moment. 
export PS1='\w `~/.rvm/bin/rvm-prompt i v g` `git branch 2> /dev/null | grep -e ^* | sed -E s/^\\\\\*\ \(.+\)$/\(\\\\\1\)\ /`\n\[\033[37m\]$\[\033[00m\] '

#This line enable bash autocomplete for git
source ~/.git-completion.git