Uses the scheme described in https://www.atlassian.com/git/tutorials/dotfiles.
git clone --bare https://github.com/andrew-nowak/cfg $HOME/.cfg
function config {
/usr/bin/git --git-dir=$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{} mv {} .config-backup/{}
fi;
config checkout
config config status.showUntrackedFiles no