On Mi, 2016-02-17 at 10:53 +0000, Duncan wrote: > Michał Górny posted on Wed, 17 Feb 2016 07:47:06 +0100 as excerpted: > > > On Tue, 16 Feb 2016 22:48:08 -0600 Ryan Hill <rh...@gentoo.org> > > wrote: > > > > > On Mon, 15 Feb 2016 15:35:12 +0100 Michał Górny <mgo...@gentoo.or > > > g> > > > wrote: > > > > On Mon, 15 Feb 2016 14:37:41 +0100 "Justin Lecher (jlec)" > > > > <j...@gentoo.org> wrote: > > > > > On 15/02/16 13:59, Michał Górny wrote: > > > > > > > Don't mix echo with ewarn. > > > > > Why? > > > > Because they won't go through the same output channels. > > > > > > That's kinda the point. You want a blank (unstarred) space to > > > separate > > > out the "important" messages from the generic spew put out by the > > > package manager/eclasses/build system that you have no control > > > over. > > > > This is not just that. Different output channels mean that: > > > - There is no guarantee of correct output order! The empty lines > > may > > move randomly over the text. > > Good point! (Of course the others are too, but this one could be > particularly damaging to the intended communication.) > > > > If you have several different messages you want a blank space in > > > between them so you can use e* to create whitespace within the > > > message > > > to avoid the wall of text syndrome while still making it clear > > > where it > > > begins and ends. > > > > You're right that using echo means the whitespace doesn't get > > > saved by > > > the elog system. A while back someone proposed we add espace for > > > exactly this reason but IIRC they were laughed down, which is a > > > shame. > > > > So... to summarize your point. You shouldn't use the correct > > function > > that is saved in elog which is primary way of getting info because > > you > > find it more convenient to have empty non-'starred' lines that > > don't > > actually get to elog and make elog a mess? > > > > If you really don't like empty 'starred' lines (and I actually like > > them > > since they make separation between packages cleaner), why not > > submit a > > patch for Portage and make 'elog' with no arguments output log line > > without a star? That's a trivial solution that doesn't require > > extra > > functions for the sake of inventing elogspace, ewarnspace, ... > > It is at least possible to use say blank ewarn between elog lines, or > the > reverse, so while there's no totally blank separator, there's at > least a > different color to the star on the starred-blank-line separator. > > Similarly, if there's more than one "topic" to the messages, and > they're > of different severity, the severities can be interspersed to get > color > separation. > > I believe I've seen both techniques used to good effect in a few > packages > in the past, but I can't name any off the top of my head. >
For all those who care, I've updated the eclass under: https://github.com/gentoo-science/sci/pull/588
