$ git clone -n https://src.fedoraproject.org/rpms/plasma5support.git /var/lib/mock/f40-build-2394335-60532/root/chroot_tmpdir/scmroot/plasma5support
Cloning into '/var/lib/mock/f40-build-2394335-60532/root/chroot_tmpdir/scmroot/plasma5support'...
$ git fetch origin bbd958c40634a854218e3f0f484a4f965f666c38:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma5support
 * [new ref]         bbd958c40634a854218e3f0f484a4f965f666c38 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbd958c 5.93.0