flatpak-builder: No GSettings schemas are installed on the system

[Alec Leamas]

Hi Dan,

On 21/03/2024 16:52, Dan Nicholson wrote:
> On Thu, Mar 21, 2024 at 4:11 AM Alec Leamas <leamas.alec at gmail.com> wrote:
>>
>> Dear list,
>>
>> We are all of a sudden getting flatpak-builder errors like
>>
>> (appstream-compose:2): GLib-GIO-ERROR **: 02:22:58.138: No GSetting
>> schemas are installed on the system
>>
>> when running the appstream-compose step. Complete log in  [1]. This is
>> on an otherwise unmodified build which has worked.
> 
> appstream-compose is run in the sandbox via flatpak build. Perhaps the
> org.freedesktop.Sdk//22.08 SDK got screwed up so it's not running
> glib-compile-schemas. Taking a closer look, it appears to only run
> glib-compile-schemas when the glib component is installed. And
> glib-compile-schemas will do nothing when the schemas directory is
> empty. So, perhaps there are no schemas installed when that's run.
> 
> I think you should take this up at
> https://gitlab.com/freedesktop-sdk/freedesktop-sdk. I did take a look
> in the 22.08 SDK with flatpak run --command=bash
> org.freedesktop.Sdk//22.08. Indeed there is no
> /usr/share/glib-2.0/schemas/gschemas.compiled. 21.08 and 23.08 do have
> it, so presumably something has gone wrong there. They should be
> running glib-compile-schemas after every element that installs schemas
> if that's not already the case.

Thanks for helping me sort out this mess! Filed 
https://gitlab.com/freedesktop-sdk/freedesktop-sdk/-/issues/1711

--alec