$ git clone -n https://src.fedoraproject.org/rpms/opencv.git /var/lib/mock/f37-build-646411-72487/root/chroot_tmpdir/scmroot/opencv
Cloning into '/var/lib/mock/f37-build-646411-72487/root/chroot_tmpdir/scmroot/opencv'...
$ git reset --hard 8acaccff6a19c4f5b2826be7cea6bc73c8b31a94
HEAD is now at 8acaccf Revert "wip"