$ git clone -n https://src.fedoraproject.org/rpms/gstreamer1-plugins-good.git /var/lib/mock/f38-build-687771-82136/root/chroot_tmpdir/scmroot/gstreamer1-plugins-good
Cloning into '/var/lib/mock/f38-build-687771-82136/root/chroot_tmpdir/scmroot/gstreamer1-plugins-good'...
$ git reset --hard 649179df80cdb6293b295b4730206b3dd354e3b2
HEAD is now at 649179d rebuild for new libvpx