$ git clone -n https://src.fedoraproject.org/rpms/python-pyproject-hooks.git /var/lib/mock/f45-build-32335-659/root/chroot_tmpdir/scmroot/python-pyproject-hooks
Cloning into '/var/lib/mock/f45-build-32335-659/root/chroot_tmpdir/scmroot/python-pyproject-hooks'...
$ git fetch origin 978e114b343f923a4584efac3cd51529dc61ab8e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyproject-hooks
 * [new ref]         978e114b343f923a4584efac3cd51529dc61ab8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 978e114 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild