$ git clone -n https://src.fedoraproject.org/rpms/libreoffice.git /var/lib/mock/f41-build-side-1-3071707-38811/root/chroot_tmpdir/scmroot/libreoffice
Cloning into '/var/lib/mock/f41-build-side-1-3071707-38811/root/chroot_tmpdir/scmroot/libreoffice'...
$ git fetch origin ca327252051cda6aa36b0dbda9465b91db563099:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libreoffice
 * [new ref]         ca327252051cda6aa36b0dbda9465b91db563099 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca32725 Merge branch 'rawhide' into f41