$ git clone -n https://src.fedoraproject.org/rpms/vtk.git /var/lib/mock/f38-build-715058-95357/root/chroot_tmpdir/scmroot/vtk
Cloning into '/var/lib/mock/f38-build-715058-95357/root/chroot_tmpdir/scmroot/vtk'...
$ git fetch origin 36a6ede0c93d512feac87dd0a86cfd0e89779867:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vtk
 * [new ref]         36a6ede0c93d512feac87dd0a86cfd0e89779867 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36a6ede Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild