$ git clone -n https://src.fedoraproject.org/rpms/plasma-dialer.git /var/lib/mock/f42-build-side-1-3566283-46733/root/chroot_tmpdir/scmroot/plasma-dialer
Cloning into '/var/lib/mock/f42-build-side-1-3566283-46733/root/chroot_tmpdir/scmroot/plasma-dialer'...
$ git fetch origin 1d2bbd0d4601f1a864eb9061d6357bfcf57177dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-dialer
 * [new ref]         1d2bbd0d4601f1a864eb9061d6357bfcf57177dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d2bbd0 6.4.0