$ git clone -n https://src.fedoraproject.org/rpms/389-ds-base.git /var/lib/mock/f40-build-2234416-53402/root/chroot_tmpdir/scmroot/389-ds-base
Cloning into '/var/lib/mock/f40-build-2234416-53402/root/chroot_tmpdir/scmroot/389-ds-base'...
$ git fetch origin 298baaf1c040510d751e42e1690bf870e5459430:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/389-ds-base
 * [new ref]         298baaf1c040510d751e42e1690bf870e5459430 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 298baaf Bump version to 2.4.3-1