$ git clone -n https://src.fedoraproject.org/rpms/kf5-kcmutils.git /var/lib/mock/f38-build-729628-101821/root/chroot_tmpdir/scmroot/kf5-kcmutils
Cloning into '/var/lib/mock/f38-build-729628-101821/root/chroot_tmpdir/scmroot/kf5-kcmutils'...
$ git fetch origin 5b4913136a5a2882ced1359ac8112eb8feb216b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kcmutils
 * [new ref]         5b4913136a5a2882ced1359ac8112eb8feb216b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b49131 5.107.0