$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdewebkit.git /var/lib/mock/f38-build-717653-96586/root/chroot_tmpdir/scmroot/kf5-kdewebkit
Cloning into '/var/lib/mock/f38-build-717653-96586/root/chroot_tmpdir/scmroot/kf5-kdewebkit'...
$ git fetch origin 5f30dd4d7f3534bbcf39d5dc94c25e0933d03a27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdewebkit
 * [new ref]         5f30dd4d7f3534bbcf39d5dc94c25e0933d03a27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f30dd4 5.106.0