Automatically set up configuration files from my repo

config.sh

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