$ git clone -n https://src.fedoraproject.org/rpms/compat-libvpx5.git /var/lib/mock/f31-build-66189-29837/root/chroot_tmpdir/scmroot/compat-libvpx5
Cloning into '/var/lib/mock/f31-build-66189-29837/root/chroot_tmpdir/scmroot/compat-libvpx5'...
$ git reset --hard b5cda9a1ba94e9cf5270fba06326c1fd424f33f6
HEAD is now at b5cda9a - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild