$ git clone -n https://src.fedoraproject.org/rpms/opencv.git /var/lib/mock/f37-build-640550-71535/root/chroot_tmpdir/scmroot/opencv
Cloning into '/var/lib/mock/f37-build-640550-71535/root/chroot_tmpdir/scmroot/opencv'...
$ git reset --hard a81f14f90ae3a8c44c0ef4fef27936cc76076bf9
HEAD is now at a81f14f BR vte-java only on %java_arches