bash: add ssh flag (#18992)
bash: add ssh flag (#18992)

* bash: add flag on macOS

* Add flag unconditionally
LLNL/spack,LLNL/spack,iulian787/spack,LLNL/spack,LLNL/spack,LLNL/spack,iulian787/spack,iulian787/spack,iulian787/spack,iulian787/spack