$ git clone -n http://fedora.riscv.rocks:3000/rpms/opencv.git /var/lib/mock/f41-build-839595-160253/root/chroot_tmpdir/scmroot/opencv
Cloning into '/var/lib/mock/f41-build-839595-160253/root/chroot_tmpdir/scmroot/opencv'...
$ git fetch origin 761c78115325840cef2118b5e92ec97811c5c5a0:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/opencv
 * [new ref]         761c78115325840cef2118b5e92ec97811c5c5a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 761c781 Rebuilt for Fedora/RISCV (riscv64); adding .rvreX to Release: