Improving trac notifications

Ben Gamari ben at
Mon Dec 28 10:42:41 UTC 2015

Matthew Pickering <matthewtpickering at> writes:

> I subscribe to the ghc-tickets[1] mailing list which provides updates
> to all trac tickets. This is very useful, however when a ticket
> description is updated the whole description is included in the email
> which makes it hard to see what actually changed. The web interface
> shows a nice diff[2] of the changes, I think it would be good if
> emails could also include a diff rather than the current quite useless
> output.
I think this would be a great improvement. I, for one, am quite guilty
of incrementally editing ticket descriptions and the current email
notifications are nearly useless in this case.

> After a bit of investigation, it appears that the easiest way to
> achieve this is apply a simple patch to our copy of trac. The current
> format is hard coded on line 558 in this module, it seems easy to
> modify this section to instead provide a diff.
Herbert, perhaps we could do something along these lines?


- Ben

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