[lldb-dev] Host::RunShellCommand

[Zachary Turner]

I was thinking about how to best structure Host::RunShellCommand and
ProcessLaunchInfo::ConvertArgumentsForLaunchingInShell based on previous
discussions with greg.

One thing I don't understand is why we need this use_default_shell
argument.  For starters, it seems like a better name for this argument
would be requires_shell_expansion.  As in, you should pass true if your
command string might contain environment variables, commands stringed
together with &&, etc.  And pass false otherwise.

Is there any reason to not just *always *run it in a shell?  just delete
that argument to the function and let it always be true?  It makes the code
simpler and I don't see what the advantage is to letting it be false.  The
end result is still the same.
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