$ git clone -n https://src.fedoraproject.org/rpms/python-getmac.git /var/lib/mock/f45-build-30857-648/root/chroot_tmpdir/scmroot/python-getmac
Cloning into '/var/lib/mock/f45-build-30857-648/root/chroot_tmpdir/scmroot/python-getmac'...
$ git fetch origin 68468d848070af7cc49b70207a6abd06842ce918:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-getmac
 * [new ref]         68468d848070af7cc49b70207a6abd06842ce918 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68468d8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild