$ git clone -n https://src.fedoraproject.org/rpms/python-assertpy.git /var/lib/mock/f45-build-29439-639/root/chroot_tmpdir/scmroot/python-assertpy
Cloning into '/var/lib/mock/f45-build-29439-639/root/chroot_tmpdir/scmroot/python-assertpy'...
$ git fetch origin 14f46092b20a9abccb99222251ba58d9bf04c2a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-assertpy
 * [new ref]         14f46092b20a9abccb99222251ba58d9bf04c2a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14f4609 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild