$ git clone -n https://src.fedoraproject.org/rpms/ooo2txt.git /var/lib/mock/f41-build-1045821-19063/root/chroot_tmpdir/scmroot/ooo2txt
Cloning into '/var/lib/mock/f41-build-1045821-19063/root/chroot_tmpdir/scmroot/ooo2txt'...
$ git fetch origin 540ffdb638c5b0e9fb79fd777df9343348fa3f0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ooo2txt
 * [new ref]         540ffdb638c5b0e9fb79fd777df9343348fa3f0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 540ffdb Eliminate use of obsolete %patchN syntax (#2283636)