[kde] [Bug 496178] New: Absolute icon paths in desktop files are sometimes ignored

[hexchain]

https://bugs.kde.org/show_bug.cgi?id=496178

            Bug ID: 496178
           Summary: Absolute icon paths in desktop files are sometimes
                    ignored
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: kde at hexchain.org
  Target Milestone: ---

SUMMARY
It seems that if the "Icon" property in a desktop file contains a full path,
the last part (i.e. "basename") is first used to look up an icon in the icon
theme. The actual file will only be used if the icon theme does not contain an
icon with the same (file) name.

STEPS TO REPRODUCE
1. Create a desktop file with the following content and place it to
~/.local/share/applications/test-app.desktop:

[Desktop Entry]
Version=1.0
Type=Application
Icon=/tmp/hwinfo.svg
Exec=/usr/bin/true
Name=TestApp

2. Download an SVG icon (e.g.
https://github.com/PapirusDevelopmentTeam/papirus-icon-theme/raw/refs/heads/master/Papirus/32x32/apps/firefox.svg)
and save it to /tmp/hwinfo.svg

3. Launch KRunner or Kickoff and try to find TestApp.

OBSERVED RESULT
TestApp has the "hwinfo" icon, not the downloaded one.

EXPECTED RESULT
If the "test-app" (desktop file name) icon exists in the icon theme, it should
be used for TestApp. If it does not (as in this case), the downloaded SVG icon
should be used instead.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 6.2.3
KDE Frameworks Version: 6.8.0
Qt Version: 6.8.0
Kernel Version: 6.11.6-arch1-1 (64-bit)
Graphics Platform: Wayland

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