$ git clone -n https://src.fedoraproject.org/rpms/ec2-instance-connect.git /var/lib/mock/f45-build-7925-371/root/chroot_tmpdir/scmroot/ec2-instance-connect
Cloning into '/var/lib/mock/f45-build-7925-371/root/chroot_tmpdir/scmroot/ec2-instance-connect'...
$ git fetch origin 6aebc488c72e45967197c91ebd67f3a42e844f4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ec2-instance-connect
 * [new ref]         6aebc488c72e45967197c91ebd67f3a42e844f4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6aebc48 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild