to run automatically before I login

gistfile1.sh

#!/bin/bash

cd ~
hostname=$(hostname -f)

if ! [ -d .git ]; then
  git init
  git remote add origin [email protected]:dfanjul/dotfiles.git
else
  git remote set-url origin [email protected]:dfanjul/dotfiles.git
fi

branch=$hostname
branch_ref=refs/heads/$branch
tracking_branch_ref=refs/remotes/origin/$branch
tracking_master_ref=refs/remotes/origin/master
branch_ref_in_remote=refs/heads/$branch

if ! git show-ref -q --verify $branch_ref; then
  git fetch -v origin
  if ! git show-ref -q --verify $tracking_branch_ref; then
    git push origin $tracking_master_ref:$branch_ref_in_remote
  fi
  git checkout -f -b $branch -t $tracking_branch_ref
fi

git pull --ff-only
~