$ git clone -n https://src.fedoraproject.org/rpms/libvpx.git /var/lib/mock/f37-build-650363-72753/root/chroot_tmpdir/scmroot/libvpx
Cloning into '/var/lib/mock/f37-build-650363-72753/root/chroot_tmpdir/scmroot/libvpx'...
$ git reset --hard 671e6f4ba96be4b19a7aa8206be6e7076cb450d3
HEAD is now at 671e6f4 Update to 1.12.0