[Bug 1762889] Re: dh_translations doesn't strip .desktop files when more than 1 pot target with meson

[Gunnar Hjalmarsson]

In response to Laney's comment #8, and after some clarifications on IRC,
attached please find a new attempt.

Comment #6 still applies. In addition to that, g-c-c now fails to build
if you add a value via --domain which is unknown to Meson.

As regards non-Meson packages, --domain is a fallback, i.e. using that
option makes a difference only for cases where dh_translations fails to
find the domain by itself. I haven't tested that detail, since I'm not
aware of any package where dh_translations tries and fails to find the
domain. The latest issue of the kind I know of was fixed via this
change:

http://launchpadlibrarian.net/356105290/pkgbinarymangler_131_132.diff.gz

** Patch added: "pkgbinarymangler_lp1762889_3.debdiff"
   https://bugs.launchpad.net/ubuntu/+source/pkgbinarymangler/+bug/1762889/+attachment/5114554/+files/pkgbinarymangler_lp1762889_3.debdiff

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https://bugs.launchpad.net/bugs/1762889

Title:
  dh_translations doesn't strip .desktop files when more than 1 pot
  target with meson

Status in pkgbinarymangler package in Ubuntu:
  In Progress

Bug description:
  The gnome.help() meson function creates a help-$project-pot target.
  This confuses dh_translations which complains:

  dh_translations: more than one meson translation domain found (help-
  gnome-calculator,gnome-calculator), don't know which one to use

  I think the only consequence of this is that the .desktop doesn't have
  its translations stripped and replaced with X-Ubuntu-Gettext-Domain=

  This means that Ubuntu translators are unable to update those
  translations.

  Affected Apps
  =============
  Therefore, this issue affects GNOME apps in main that use meson and also include help files.

  gnome-control-center is also affected because it happens to have an
  extra gettext domain (but does not ship help).

  libgweather gets the warning because it has a second gettext domain
  but it doesn't ship any .desktop files so I think the warning is
  harmless.

  Suggestion
  ==========
  Maybe dh_translations could just exclude targets that start with "help-". That would fix most of these cases.

  Other Info
  ==========
  This bug is split off LP: #1751820

  pkgbinarymanagler 136 in bionic

  References
  ==========
  http://mesonbuild.com/Gnome-module.html#gnomeyelp
  http://mesonbuild.com/Localisation.html

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