Bug#822730: initramfs-tools: Should we migrate to a "interest-noawait" trigger for update-initramfs -u?

[Niels Thykier <niels@thykier.net>]

Control: block 491027 by -1

On Sun, 09 Jul 2017 12:51:00 +0000 Niels Thykier <niels@thykier.net> wrote:
> On Tue, 26 Apr 2016 22:10:14 +0200 Niels Thykier <niels@thykier.net> wrote:
> > Package: initramfs-tools
> > Version: 0.125
> > Severity: wishlist
> > Usertags: declarative-packaging 
> > 
> > Hi,
> > 
> 
> [...]

Ping on this?

> PS: Quoted in full below for your convenience. :)
> 
> > The update-initramfs tool currently has a bit of magic for deferring
> > changes during upgrades (by exploiting dpkg-trigger).  This is fine,
> > but I was wondering if we could perhaps add a file-based interest
> > trigger (or simply migrate to a declarative activate-noawait trigger).
> > 
> > I got basically two reasons for this bug:
> > 
> >  * Request for support in debhelper #491027 and lintian #678962
> >  * Promotion of "declarative packaging"[1].
> > 
> > 
> > At first glance[2], I would recommend adding a file-based trigger for the
> > following reasons:
> > 
> >  * Packages would just need to install files in
> >    usr/share/initramfs-tools/{hooks,scripts} and initramfs-tools
> >    would take care of the rest.
> > 
> >  * There would be no need for lintian tags or changes to debhelper to
> >    improve support.  It would "just work"(tm).
> > 
> > This file-based trigger would be used in /addition/ to the existing
> > trigger.  AFAICT, some packages only conditionally need to trigger
> > update-initramfs (and these would still need to be able to call
> > "dpkg-trigger --no-await update-initramfs").
> > 
> >  * What do you think about this suggestion?
> > 
> >  * Alternatively, would the use of declarative triggers[3] be ok for
> >    the debhelper support?
> > 
> > 
> > Thanks,
> > ~Niels
> > 
> > [1] https://wiki.debian.org/Teams/Dpkg/Spec/DeclarativePackaging
> > 
> > [2] I admit having very limited overview over the use-cases around
> > update-initramfs.
> > 
> > [3] Like we did with ldconfig.  Basically add
> > 
> >   activate-noawait update-initramfs
> > 
> > to the packages' triggers file.