$ git clone -n https://src.fedoraproject.org/rpms/compat-libvpx5.git /var/lib/mock/f31-build-57438-28341/root/chroot_tmpdir/scmroot/compat-libvpx5
Cloning into '/var/lib/mock/f31-build-57438-28341/root/chroot_tmpdir/scmroot/compat-libvpx5'...
$ git reset --hard 142e45bf7c95d5a52c5e5822de30f398d400ff6e
HEAD is now at 142e45b Initial import