$ git clone -n https://src.fedoraproject.org/rpms/hikari.git /var/lib/mock/f45-build-13430-450/root/chroot_tmpdir/scmroot/hikari
Cloning into '/var/lib/mock/f45-build-13430-450/root/chroot_tmpdir/scmroot/hikari'...
$ git fetch origin 03455158f66d1c37c911e3bcbfee97ddc298ceda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hikari
 * [new ref]         03455158f66d1c37c911e3bcbfee97ddc298ceda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0345515 drop ix86 support