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The solution (for now) is to add the Flatpak package the privilege to call anything on the host (thanks to --talk-name=org.freedesktop.Flatpak in the manifest and calling the subprocess with flatpak-spawn --host <cmd>
For that I had to add a boolean option, use_flatpak, with adds flatpak-spawn --host to any command line when it's enabled.
The solution (for now) is to add the Flatpak package the privilege to call anything on the host (thanks to
--talk-name=org.freedesktop.Flatpakin the manifest and calling the subprocess withflatpak-spawn --host <cmd>For that I had to add a boolean option,
use_flatpak, with addsflatpak-spawn --hostto any command line when it's enabled.Fixes #103