[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] Provide control over VM messages (#275)

Eliot Miranda eliot.miranda at gmail.com
Mon Aug 20 17:34:52 UTC 2018

On Sun, Aug 19, 2018 at 1:32 PM, David T. Lewis <lewis at mail.msen.com> wrote:

> On Sun, Aug 19, 2018 at 10:31:15AM -0700, Fabio Niephaus wrote:
> >
> > @akgrant43 also thinks a command line flag would be the way to go here
> (see https://github.com/OpenSmalltalk/opensmalltalk-
> vm/pull/279#issuecomment-414133977).
> >
> > Here's one last argument against it that I can think of: the option
> parser fails on unknown options and that means that CI scripts can only
> use, e.g., a `-suppress*` option iff supported by the vm, otherwise it will
> fail. The only way to make that work is to check the version of the vm
> before opening an image, which in turn adds complexity to CI scripts.
> >
> For the unix VM, command line arguments are (or should be) supported by
> environment variables. See function vm_parseEnvironment() for environment
> variables that match with various corresponding command line arguments.
> If you follow this pattern, then you woould define a new command line
> parameter
> as previously suggested, and also a new environment variable to do the same
> thing. With that approach, you can use the environment variable that does
> what you want, rather than adding special-case handling for ${CI}.

Good suggestion David.

> Dav

best, Eliot
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