$ git clone -n https://src.fedoraproject.org/rpms/plasma-dialer.git /var/lib/mock/f42-build-870890-177444/root/chroot_tmpdir/scmroot/plasma-dialer
Cloning into '/var/lib/mock/f42-build-870890-177444/root/chroot_tmpdir/scmroot/plasma-dialer'...
$ git fetch origin 096c93f079e927b4a279ea6caa4ab465ddec9905:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-dialer
 * [new ref]         096c93f079e927b4a279ea6caa4ab465ddec9905 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 096c93f 6.3.0