[racket] many permissions & other problems using packages in 5.3.6... workarounds?

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Sat Oct 12 20:56:58 EDT 2013

On Sat, Oct 12, 2013 at 7:36 PM, Robby Findler
<robby at eecs.northwestern.edu>wrote:

> On Sat, Oct 12, 2013 at 7:01 PM, Jay McCarthy <jay.mccarthy at gmail.com>wrote:
>> On Sat, Oct 12, 2013 at 3:02 PM, John Clements
>> <clements at brinckerhoff.org> wrote:
>> > My students are using 5.3.6 with packages... in particular, with the
>> rsound
>> > package, that depends on the portaudio package. They've had a wide
>> variety
>> > of problems; I'm hoping that these are fixed in 5.90, but short of
>> telling
>> > my whole class to install a pre-release version, I'm not sure how to
>> test
>> > that, so I'm just going to list them, and maybe y'all can tell me
>> they've
>> > been fixed.
>> >
>> > 1) The most pervasive problem is one of permissions on Windows, where an
>> > update gets jammed because DrR can't delete the existing directory. This
>> > seems to happen pretty much every time a windows user updates. Nearly
>> all of
>> > my students now know how to navigate to AppData/Roaming/Racket to delete
>> > these directories.
>> I don't know what this means.
> The Windows filesystem has an unfortunate property that deleting files can
> signal permissions errors when someone else has the file open, IIUC. This
> also generalizes to deleting directories when someone else still has a file
> in the directory open.
> From what John says, I imagine you'd be able to reproduce this pretty
> easily by firing up a windows vm and updating something (perhaps when it
> depends on something else).
> John: do you have a stacktrace for those errors, by chance?
> >> 3) There's a "just plain bug" where installing the depending package
> >> (rsound) without installing the depended-on package asks "do you want to
> >> install the depended-on package" (paraphrased)... but takes its stdin
> from a
> >> port that's already closed, so the install window goes into a busy loop
> of
> >> #<EOF>-ing that requires a very forceful quit.
> >
> > It should be using the --deps=auto where there is no question asked at
> > all. Matthew, do you know how the GUI calls install? But also, I can
> > fix this problem.
> The GUI tells you how it calls install when you click on the "show
> details" button.
> It does "--deps search-auto" by default, I believe.

... oh, but not in 5.3.6, where it probably defaults in a bad way.

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