$ git clone -n https://src.fedoraproject.org/rpms/chrpath.git /var/lib/mock/f45-build-5571-340/root/chroot_tmpdir/scmroot/chrpath
Cloning into '/var/lib/mock/f45-build-5571-340/root/chroot_tmpdir/scmroot/chrpath'...
$ git fetch origin 87d0f60a3dda539d072d50a9cc666b2bdd564b03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chrpath
 * [new ref]         87d0f60a3dda539d072d50a9cc666b2bdd564b03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87d0f60 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild