$ git clone -n https://src.fedoraproject.org/rpms/libvpx.git /var/lib/mock/f33-build-308092-57185/root/chroot_tmpdir/scmroot/libvpx
Cloning into '/var/lib/mock/f33-build-308092-57185/root/chroot_tmpdir/scmroot/libvpx'...
$ git reset --hard 0dc0eae751824bbde4eda10c9765fa86c86e6d42
HEAD is now at 0dc0eae 1.9.0