git enabled bash prompt setup

.bash_profile

#!/bin/bash

# git prompt inspired by:
#   http://neverstopbuilding.com/gitpro
# colors help:
#   http://misc.flogisoft.com/bash/tip_colors_and_formatting

if [ "$1" == "install" ] ; then
    WGET_PATH=$(which wget)
    if [ ! -x "$WGET_PATH" ] ; then
        >&2 echo "wget not found: unable to install"
        exit 1
    fi
    wget -O .git-completion.bash https://raw.githubusercontent.com/git/git/master/contrib/completion/git-completion.bash
    chmod 755 ~/.git-completion.bash
    wget -O .git-prompt.sh https://raw.githubusercontent.com/git/git/master/contrib/completion/git-prompt.sh
    chmod 755 ~/.git-prompt.sh
fi

source ~/.git-completion.bash
source ~/.git-prompt.sh

DEFAULT="\[\033[0;39m\]"
MAGENTA="\[\033[0;35m\]"
LIGHT_MAGENTA="\[\033[0;95m\]"
YELLOW="\[\033[0;33m\]"
BLUE="\[\033[34m\]"
LIGHT_BLUE="\[\033[94m\]"
LIGHT_GRAY="\[\033[0;37m\]"
CYAN="\[\033[0;36m\]"
GREEN="\[\033[0;32m\]"
GIT_PS1_SHOWDIRTYSTATE=true
export LS_OPTIONS='--color=auto'
export CLICOLOR='Yes'
export LSCOLORS=gxfxbEaEBxxEhEhBaDaCaD

export PS1=$LIGHT_GRAY"\u@\h:"'$(
    if [[ $(__git_ps1) =~ \*\)$ ]]
    # a file has been modified but not added
    then echo "'$YELLOW'"$(__git_ps1 " (%s)")
    elif [[ $(__git_ps1) =~ \+\)$ ]]
    # a file has been added, but not commited
    then echo "'$LIGHT_MAGENTA'"$(__git_ps1 " (%s)")
    # the state is clean, changes are commited
    else echo "'$CYAN'"$(__git_ps1 " (%s)")
    fi)'$LIGHT_BLUE" \w\$"$DEFAULT" "

alias ll='ls -lah'
alias gst='git status -s'

usage-example.sh

cd
wget https://gist.githubusercontent.com/tdomzal/0dc8bc6f6a5a4da9d1ca/raw/085e7b65eebaec116c21412e5b27965256104139/.bash_profile
. .bash_profile install

# logout & login to activate