[dolphin] [Bug 436906] New: Do not include diffs created by kate in the list of recent files

[Podagric]

https://bugs.kde.org/show_bug.cgi?id=436906

            Bug ID: 436906
           Summary: Do not include diffs created by kate in the list of
                    recent files
           Product: dolphin
           Version: 20.12.3
          Platform: Other
                OS: Other
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: kde.podagric at slmail.me
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
When a file opened in kate is modified externally, kate allows to generate a
diff of the change, and this works very well, the problem is that the diffs are
displayed in the list of recently opened files.
Now imagine doing this several times a day, the history is polluted with many
unnecessary files that don't even exist anymore.

STEPS TO REPRODUCE
1. Open or create a file in kate
2. Modify it externally
3. Go back to kate and create a diff of the modification

OBSERVED RESULT
The temporary file will now be in the history.
If this file were permanent, it would make sense to have it in that list, but
it seems to me that as soon as the tab in which it is open is closed, the file
is deleted. So it makes no sense to list it in the history and create an
unnecessary distraction.


SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.21.4
KDE Frameworks Version: 5.81.0
Qt Version: 5.15.2
Kernel Version: 5.11.16-zen1-1-zen
OS Type: 64-bit
Graphics Platform: Wayland
Processors: 4 × Intel® Core™ i5-4440 CPU @ 3.10GHz
Memory: 4 GiB of RAM
Graphics Processor: Mesa DRI Intel® HD Graphics 4600

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