$ git clone -n https://src.fedoraproject.org/rpms/python-omlmd.git /var/lib/mock/f45-build-31771-655/root/chroot_tmpdir/scmroot/python-omlmd
Cloning into '/var/lib/mock/f45-build-31771-655/root/chroot_tmpdir/scmroot/python-omlmd'...
$ git fetch origin 24910253f5efed31163514a973a8d4160a2a3e1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-omlmd
 * [new ref]         24910253f5efed31163514a973a8d4160a2a3e1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2491025 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild