$ git clone -n https://src.fedoraproject.org/rpms/kcm_systemd.git /var/lib/mock/f42-bootstrap-3533980-46428/root/chroot_tmpdir/scmroot/kcm_systemd
Cloning into '/var/lib/mock/f42-bootstrap-3533980-46428/root/chroot_tmpdir/scmroot/kcm_systemd'...
$ git fetch origin 159a32eb220676de3d8f9dac289aae1e6aabae94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcm_systemd
 * [new ref]         159a32eb220676de3d8f9dac289aae1e6aabae94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 159a32e Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild