$ git clone -n https://src.fedoraproject.org/rpms/libebml.git /var/lib/mock/f33-build-291078-54617/root/chroot_tmpdir/scmroot/libebml
Cloning into '/var/lib/mock/f33-build-291078-54617/root/chroot_tmpdir/scmroot/libebml'...
$ git reset --hard d4bd039df5ab4a56a174c9f13800786f960dd916
HEAD is now at d4bd039 Fix FTBFS, straight-forward cmake macro fix (rhbz#1863992)