$ git clone -n https://src.fedoraproject.org/rpms/libreoffice.git /var/lib/mock/f41-build-side-1-3132731-39664/root/chroot_tmpdir/scmroot/libreoffice
Cloning into '/var/lib/mock/f41-build-side-1-3132731-39664/root/chroot_tmpdir/scmroot/libreoffice'...
$ git fetch origin 001d1ad0e663def0bcda70183052fee2364f2ee3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libreoffice
 * [new ref]         001d1ad0e663def0bcda70183052fee2364f2ee3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 001d1ad Merge branch 'rawhide' into f41