$ git clone -n https://src.fedoraproject.org/rpms/nextcloud-client.git /var/lib/mock/f40-build-2173198-51060/root/chroot_tmpdir/scmroot/nextcloud-client
Cloning into '/var/lib/mock/f40-build-2173198-51060/root/chroot_tmpdir/scmroot/nextcloud-client'...
$ git fetch origin f7d1a4d4e15ef2a14a9516f25cf577daeafc0ee9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nextcloud-client
 * [new ref]         f7d1a4d4e15ef2a14a9516f25cf577daeafc0ee9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7d1a4d Update to v3.11.0