$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcompletion.git /var/lib/mock/f42-build-867794-175816/root/chroot_tmpdir/scmroot/kf6-kcompletion
Cloning into '/var/lib/mock/f42-build-867794-175816/root/chroot_tmpdir/scmroot/kf6-kcompletion'...
$ git fetch origin b620637ce346680d144e82b31f8e817a99244558:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcompletion
 * [new ref]         b620637ce346680d144e82b31f8e817a99244558 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b620637 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild