The code is the canonical definition of behavior. If you see recipes or
docs disagreeing with the code, please show where and how. Note: recipes
directly using $D or explicitly calling defer to first boot helper are not
in disagreement, they're just not using the documented syntactic sugar.

Alex

On Fri, 17 Dec 2021 at 18:08, Robert P. J. Day <rpjday@crashcourse.ca>
wrote:

> On Fri, 17 Dec 2021, Robert P. J. Day wrote:
>
> > On Fri, 17 Dec 2021, Alexander Kanavin wrote:
> >
> > > Hey Robert, may I make a suggestion? Rather than ask someone to
> > > explain the implementation of pkg_postinst to you, why don’t you
> > > read the implementation and ask questions about specific code where
> > > it’s unclear what or why.
> >
> >   i'm actually doing that, but i'm still not a python expert so i
> > struggle with some of the bbclass files trying to follow the logic.
>
>   there's one other complication -- even when i think i follow the
> code, i like to look at sample recipes to confirm my understanding,
> but that's when i run across stuff like this in
> sysvinit-inittab_2.88dsf.bb:
>
>   pkg_postinst:${PN} () {
>   # run this on host and on target
>   if [ "${SERIAL_CONSOLES_CHECK}" = "" ]; then
>        exit 0
>   fi
>
> so i have the docs, the code and the sample recipes all seeming to
> disagree with each other.
>
> rday