[PATCH setup 0/2] Improve behavior after download error

Jon Turney jon.turney@dronecode.org.uk
Thu Nov 9 13:21:00 GMT 2017

On 08/11/2017 18:52, Brian Inglis wrote:
> On 2017-11-08 07:35, Ken Brown wrote:
>> On 11/7/2017 1:56 PM, Jon Turney wrote:
>>> On 07/11/2017 04:28, Brian Inglis wrote:
>>>> On 2017-11-06 14:49, Ken Brown wrote:
>>>>> This is a followup to
>>>>> https://sourceware.org/ml/cygwin-apps/2017-11/msg00003.html.  The
>>>>> focus of that thread was a crash that occurs on the topic/libsolv
>>>>> branch.  Here I'm more interested in a UI issue.  Namely, I don't
>>>>> think it's reasonable that setup goes back to the site page if the
>>>>> user clicks Yes in response to "Download Incomplete. Try again?".
>>>>> This is not what the message says will happen, and I'm not convinced
>>>>> that it even works right if the user changes mirrors after being sent
>>>>> to the site page.
>>>> Would it make more sense to drop to the package chooser page, after issuing the
>>>> error message and advising the user to: select Back to go to the package chooser
>>>> page, select Next to retry the downloads, or select Cancel to exit?
>>> Do we actually report the package name for the failed download so that the
>>> user could make an informed change in the package chooser?
>> No.  Currently the only way for the user to find out is to finish the setup run
>> and then look at the log.  There's been a FIXME about this at the end of
>> download.cc:download_one() since 2001.  Maybe it's time to fix this.  We could
>> simply keep a list of packages (or files?) for which the download failed, and
>> then report this in the "Download incomplete" dialog.

Note that in the pathological case of a mirror which only has a 
setup.ini, the list of failed packages could be very large.

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