wl-copy --clear does not clear primary clipboard

[hegerj]

Only way how I can clear primary clipboard is by using wl-copy -p "".
Is that intended?

[bugaevc]

wl-copy --clear clears the regular clipboard, wl-copy --clear --primary clears the primary one. Or are you saying that's not working?

[hegerj]

Correct. Neither just --clear nor --clear --primary clears the clipboard.
Example:

[user@fedora ~]$ wl-copy --primary "aaa"
[user@fedora ~]$ wl-paste --primary
aaa
[user@fedora ~]$ wl-copy --clear --primary
[user@fedora ~]$ wl-paste --primary
aaa
[user@fedora ~]$ wl-copy --clear
[user@fedora ~]$ wl-paste --primary
aaa

Environment is Fedora 34 KDE wayland, wl-clipboard-2.0.0-4.fc34.x86_64.

[bugaevc]

Environment is Fedora 34 KDE wayland, wl-clipboard-2.0.0-4.fc34.x86_64.

Thanks, that's helpful. Could you also attach WAYLAND_DEBUG logs? I.e., do this:

In one terminal:

$ WAYLAND_DEBUG=1 wl-copy --foreground --primary aaa

Then in another:

$ WAYLAND_DEBUG=1 wl-copy --foreground --primary --clear

Then tell me what it prints.

[bugaevc]

Even without looking at the logs, I think I know what it is: it's KDE's built-in clipboard manager trying to persist the clipboard contents. So wl-copy succeeds in clearing the primary clipboard, but then KDE's clipboard manager puts the same contents there again.

If that's what it is, then it can be considered a bug in KDE. Please report it to them, and point them here if they're looking for a way to solve it.

[bugaevc]

Closing as not-our-bug; please reopen if you do get a WAYLAND_DEBUG log and it indicates something different.