$ git clone -n http://fedora.riscv.rocks:3000/rpms/vtk.git /var/lib/mock/f41-build-812303-147785/root/chroot_tmpdir/scmroot/vtk
Cloning into '/var/lib/mock/f41-build-812303-147785/root/chroot_tmpdir/scmroot/vtk'...
$ git fetch origin d142cf153ada2a77c58ee310bd1c4caa26038353:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/vtk
 * [new ref]         d142cf153ada2a77c58ee310bd1c4caa26038353 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d142cf1 Fix typo