$ git clone -n https://src.fedoraproject.org/rpms/lemonldap-ng.git /var/lib/mock/f40-build-1292967-23380/root/chroot_tmpdir/scmroot/lemonldap-ng
Cloning into '/var/lib/mock/f40-build-1292967-23380/root/chroot_tmpdir/scmroot/lemonldap-ng'...
$ git fetch origin 41dc27dfc9f3bb03d51a102ed329c6b8e71c0643:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lemonldap-ng
 * [new ref]         41dc27dfc9f3bb03d51a102ed329c6b8e71c0643 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41dc27d Sync with upstream