install my dotfiles on a new system (https://developer.atlassian.com/blog/2016/02/best-way-to-store-dotfiles-git-bare-repo/)

dotfile-installation

#! /bin/sh

git clone --bare https://github.com/avonmoll/.dotfiles.git $HOME/.dotfiles
function config {
   /usr/bin/git --git-dir=$HOME/.dotfiles/ --work-tree=$HOME $@
}
mkdir -p .dotfiles-backup
config checkout
if [ $? = 0 ]; then
  echo "Checked out dotfiles.";
  else
    echo "Backing up pre-existing dot files.";
    config checkout 2>&1 | egrep "\s+\." | awk {'print $1'} | xargs -I{} mv {} .dotfiles-backup/{}
fi;
config checkout
config config status.showUntrackedFiles no