Strange Folders/Permissions in ~/.cache

[Matthias Clasen]

On Sat, Dec 29, 2018 at 1:35 AM Douglas Summers <ajgringo619 at cox.net> wrote:

> I'm trying to figure out what these folders are and why the permissions
> are so strange.
>
> In my ~/.cache, I have a folder called 'doc'. 'ls -l' shows me this:
> d?????????  ? ?        ?           ?            ? doc
>
> Diggin further, I found these Flatpak folders underneath it:
> doc:
> total 0
> drwx------ 2 root root 0 Dec 31  1969 b21f992a
> dr-x------ 2 root root 0 Dec 31  1969 by-app
> drwx------ 2 root root 0 Dec 31  1969 f83e274f
>
> doc/b21f992a:
> total 0
>
> doc/by-app:
> total 0
> dr-x------ 2 root root 0 Dec 31  1969 org.gnome.Evolution
> dr-x------ 2 root root 0 Dec 31  1969 org.kde.okular
>
> doc/by-app/org.gnome.Evolution:
> total 0
> drwx------ 2 root root 0 Dec 31  1969 f83e274f
>
> doc/by-app/org.gnome.Evolution/f83e274f:
> total 0
>
> doc/by-app/org.kde.okular:
> total 0
> drwx------ 2 root root 0 Dec 31  1969 b21f992a
>
> doc/by-app/org.kde.okular/b21f992a:
> total 0
>
> doc/f83e274f:
> total 0
>
> Okular was installed as a test a while ago, but has since been removed.
> I guess my questions are (a) do I need these folders, and (b) how did
> the permissions get so borked?
>
>
What you describe here is the directory structure of the document store,
which gets mounted as a fused filesystem in XDG_RUNTIME_DIR.
No idea how it would end up in ~/.cache for you,
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