$ git clone -n http://fedora.riscv.rocks:3000/rpms/vtk.git /var/lib/mock/f41-build-814212-148916/root/chroot_tmpdir/scmroot/vtk
Cloning into '/var/lib/mock/f41-build-814212-148916/root/chroot_tmpdir/scmroot/vtk'...
$ git fetch origin dd00258ca0d4995c32069f43be2ab0b42a160e0c:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/vtk
 * [new ref]         dd00258ca0d4995c32069f43be2ab0b42a160e0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd00258 Merge remote-tracking branch 'up/main' into main-riscv64