$ git clone -n https://src.fedoraproject.org/rpms/python-pathlib-abc.git /var/lib/mock/f45-build-31879-656/root/chroot_tmpdir/scmroot/python-pathlib-abc
Cloning into '/var/lib/mock/f45-build-31879-656/root/chroot_tmpdir/scmroot/python-pathlib-abc'...
$ git fetch origin ef4193f140cd090e1c59971c3e189b2a25c8327c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pathlib-abc
 * [new ref]         ef4193f140cd090e1c59971c3e189b2a25c8327c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef4193f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild