cannot access external drive via darktable in ubuntu

@fedelibre I always mounted my external disk either at the command line or via Plasma shell’s mounting feature. I haven’t had this problem. How are you mounting your external disk?

You are correct that filesystem=host should give it access, but perhaps not if you’ve mounted using Files via GVFS.

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Sorry for partially hijacking this thread, as this was about Ubuntu/snap and we are now talking about Fedora/flatpak…

Yes, I’ve mounted it using GNOME Files.

I’ve now tested it on my desktop at work, where I can see (a different) external disk without any further flatpak configuration. So it’s trickier than I thought.

  1. My laptop is running Fedora 30, GNOME 3.32.
  2. My desktop is running Fedora 30 Silverblue, GNOME 3.32.

I’ve read here that full D-Bus access to gvfs is required. But the session bus policy looks Ok:

$ flatpak info --show-permissions org.darktable.Darktable
[Context]
shared=network;ipc;
sockets=x11;
devices=all;
filesystems=xdg-run/dconf;~/.config/dconf:ro;host;

[Session Bus Policy]
org.gtk.vfs.*=talk
org.gtk.vfs=talk
ca.desrt.dconf=talk
org.freedesktop.secrets=talk

[Environment]
DCONF_USER_CONFIG_DIR=.config/dconf

I’ll do more testing on my laptop when I’m back home.