[dolphin] [Bug 416634] New: Copying file into newly created/empty "Tag" folder fails silently

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=416634

            Bug ID: 416634
           Summary: Copying file into newly created/empty "Tag" folder
                    fails silently
           Product: dolphin
           Version: 19.12.1
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: tagwerk19 at innerjoin.org
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 125316
  --> https://bugs.kde.org/attachment.cgi?id=125316&action=edit
Screen recording

SUMMARY:

    It is possible to create a "new folder" when viewing a tag folder in
Dolphin. This folder is empty as there are no files on the filesystem with the
given tag; it is a construct within Dolphin. It gives an error when opened,
nevertheless Dolphin allows you to drag-and-copy files into it but the copy
appends a "null" tag to the file

STEPS TO REPRODUCE:

    Observed with two files tagged with 'mytag':

    1. On a newly launched Dolphin, open the "All tags" (the tags:/ folder)

    2. Right click to get the pop up menu and "Create New", and choose "Folder"

    3. Give a name not used before, say "New Folder". The "Tag" folder will
appear

    4. Click on the folder to open it, you get a "Could not enter folder
tags:/New Folder" error message

    5. Ignoring the error message (!), drag-and-copy a file into the "New
Folder" view...

OBSERVED RESULTS:

    The dragged-and-copied file does not appear in the "New Folder" view (see
attached)

    A "getfattr -d ..." of the file shows the tags field with a trailing comma
(the tag details have been updated but by appending a "null" tag):

    # file: B.png
    user.xdg.tags="mytag," 

EXPECTED RESULTS:

    If should be possible to drag-and-copy items into a newly created/empty
folder and have this action add the tag. 

DESIRED STATE:

    "Empty", or newly created, tags should have an intermediate term existence,
it should be possible to create a tag (by creating a new folder in the Tag
view) and having it behave in a stable, predictable manner

SOFTWARE/OS VERSIONS

    Dolphin 19.12.1
    from Neon 5.17.5

    KDE Plasma 5.17.5
    KDE Frameworks 5.66.0
    Qt 5.13.2

ADDITIONAL INFORMATION

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