$ git clone -n https://src.fedoraproject.org/rpms/vtk.git /var/lib/mock/f41-build-side-1-3042697-37521/root/chroot_tmpdir/scmroot/vtk
Cloning into '/var/lib/mock/f41-build-side-1-3042697-37521/root/chroot_tmpdir/scmroot/vtk'...
$ git fetch origin 75f31f569796fdf1f23793e97795a3ef54512f81:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vtk
 * [new ref]         75f31f569796fdf1f23793e97795a3ef54512f81 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75f31f5 Add upstream patch to fix segmentation fault on import with Python 3.13 (rhbz#2310520)