#!/bin/sh

set -e

git fetch origin

if git symbolic-ref --short refs/remotes/origin/HEAD >/dev/null; then
  git fetch origin
  git rebase "$(git symbolic-ref --short refs/remotes/origin/HEAD)" "$@"
else
  echo "You don't have a primary branch reference set for your origin remote.
Use:
git symbolic-ref refs/remotes/origin/HEAD refs/remotes/origin/{name_of_your_primary_branch}

to set the reference and then try rebasing again."
fi