$ git clone -n https://src.fedoraproject.org/rpms/nextcloud-client.git /var/lib/mock/f39-build-1567719-37600/root/chroot_tmpdir/scmroot/nextcloud-client
Cloning into '/var/lib/mock/f39-build-1567719-37600/root/chroot_tmpdir/scmroot/nextcloud-client'...
$ git fetch origin d2535affed3ffc4586cff144ba71df4a496ac657:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nextcloud-client
 * [new ref]         d2535affed3ffc4586cff144ba71df4a496ac657 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2535af Update to v3.10.0