$ git clone -n http://fedora.riscv.rocks:3000/rpms/opencv.git /var/lib/mock/f41-build-814310-148949/root/chroot_tmpdir/scmroot/opencv
Cloning into '/var/lib/mock/f41-build-814310-148949/root/chroot_tmpdir/scmroot/opencv'...
$ git fetch origin 2055c1631b765e23a9ecd3529600d7e2b2fa975b:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/opencv
 * [new ref]         2055c1631b765e23a9ecd3529600d7e2b2fa975b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2055c16 Merge remote-tracking branch 'up/main' into main-riscv64