[pacman-dev] Questions about how to show messages (warnings, etc)

Andrew Gregory andrew.gregory.8 at gmail.com
Mon Dec 2 10:17:54 EST 2013

On 12/02/13 at 04:11pm, Olivier Brunel wrote:
> Hi,
> So I'm working on changing the events callback as discussed earlier, and
> I'm running into some little issues (discrepancies really) when it comes
> to showing warnings/errors.
> As you know, pacman can show warnings/errors to the user; and when
> colors are used those prefixes will be shown in color. Except, not always.
> There seems to be some inconsistency when it comes to this, because when
> a warning/error needs to be shown, pacman can do one of two things:
> - show it right away
> - cache it and show it later, i.e. when the current progress will be done
> Now, when shown right away, prefixes are in color, and messages are
> shown on stderr.
> However, when delayed, there will be no colors (because unlike
> pm_vfprintf(), pm_vasprintf() doesn't add colors to the prefixes) *and*
> messages will be shown on stdout.
> Unless there's a reason for this I'm not aware of, I think that this
> should probably be fixed, as in have delayed messages use colors & show
> on stderr?
> As a side note, the FS#37711 that Andrew mentioned previously was about
> the lack of colors for creation of .pac* files, but it might actually
> have been a manifestation of this bug/discrepancy (i.e. when fixed, or
> if using --noprogressbar, one would have colors on those warnings already).

Allan already patched the color issue:


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