bootstrap.sh

#!/bin/bash

echo "         __      __  _____ __               "
echo "    ____/ /___  / /_/ __(_) /__  _____      "
echo "   / __  / __ \/ __/ /_/ / / _ \/ ___/      "
echo "  / /_/ / /_/ / /_/ __/ / /  __(__  )       "
echo "  \__,_/\____/\__/_/ /_/_/\___/____/        "
echo "____________________________________________"
echo
echo "Installing dotfiles into your home directory"
echo

########## Functions

warn() {
    echo "$1" >&2
}

die() {
    warn "$1"
    exit 1
}

lnif() {
    ln -sf $1 $2
}

########## Variables

endpath="$HOME/dotfiles" # dotfiles directory
today=`date +%F-%T`
backupdir="$HOME/old.dotfiles.$today"

# list of files/folders to symlink in homedir
dotfiles="bashrc bash_profile gitattributes gitconfig tmux.conf gemrc ackrc irbrc inputrc gitignore"

##########

echo "thanks for installing this dotfile"

# change to the dotfiles directory
echo "changing to the $endpath directory"
cd $endpath
if [ -e $endpath/.git ]; then
  echo "getting the latest version of your dotfiles"
  cd $endpath && git pull
  echo "...update done"
fi

# move any existing dotfiles in homedir to a timestamped backup directory, then create symlinks
mkdir $backupdir
for dotfile in $dotfiles; do
    # Backup existing dotfiles stuff
    echo "backing up $dotfile dotfiles to $backupdir"
    [ -e $dotfile ] && [ ! -L $file ] && mv $HOME/.$dotfiles $backupdir
    echo "Creating symlink to $file in home directory."
    lnif $endpath/$dotfile $HOME/.$dotfile
done

source $HOME/.bashrc
echo "your new dotfiles has been sourced... BAM!"