$ git clone -n https://src.fedoraproject.org/rpms/gstreamer1-plugin-libav.git /var/lib/mock/f38-build-687789-82136/root/chroot_tmpdir/scmroot/gstreamer1-plugin-libav
Cloning into '/var/lib/mock/f38-build-687789-82136/root/chroot_tmpdir/scmroot/gstreamer1-plugin-libav'...
$ git reset --hard 49ee8d125a8ebe5e2d6f05d05978146cc8accd8e
HEAD is now at 49ee8d1 Update to 1.22.0