$ git clone -n http://fedora.riscv.rocks:3000/rpms/mingw-opencv.git /var/lib/mock/f41-build-839066-159984/root/chroot_tmpdir/scmroot/mingw-opencv
Cloning into '/var/lib/mock/f41-build-839066-159984/root/chroot_tmpdir/scmroot/mingw-opencv'...
$ git fetch origin b2aab4095ceba04c947dd1bf9cce14f49f229da9:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/mingw-opencv
 * [new ref]         b2aab4095ceba04c947dd1bf9cce14f49f229da9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2aab40 Rebuilt for Fedora/RISCV (riscv64); adding .rvreX to Release: