$ git clone -n https://src.fedoraproject.org/rpms/kf5-kipi-plugins.git /var/lib/mock/f39-build-1540495-36475/root/chroot_tmpdir/scmroot/kf5-kipi-plugins
Cloning into '/var/lib/mock/f39-build-1540495-36475/root/chroot_tmpdir/scmroot/kf5-kipi-plugins'...
$ git fetch origin dc35c050a958e67f2e92f3e16b77841abd8e986a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kipi-plugins
 * [new ref]         dc35c050a958e67f2e92f3e16b77841abd8e986a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc35c05 23.08.2