$ git clone -n https://src.fedoraproject.org/rpms/kf5-khtml.git /var/lib/mock/f41-build-809761-146347/root/chroot_tmpdir/scmroot/kf5-khtml
Cloning into '/var/lib/mock/f41-build-809761-146347/root/chroot_tmpdir/scmroot/kf5-khtml'...
$ git fetch origin 3555463f278b5fae124805f43cff32957a68d27a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-khtml
 * [new ref]         3555463f278b5fae124805f43cff32957a68d27a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3555463 5.116.0