https://bugs.kde.org/show_bug.cgi?id=483898
Bug ID: 483898
Summary: Algorithm to select the default application for a
mime-type is non conformant
Classification: Frameworks and Libraries
Product: frameworks-kservice
Version: 6.0.0
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kio-bugs-n...@kde.org
Reporter: ales.ast...@gmail.com
CC: kdelibs-b...@kde.org
Target Milestone: ---
SUMMARY
The mime-apps specification at
https://specifications.freedesktop.org/mime-apps-spec/latest/ar01s04.html
states that all mimeapps.list files should be scanned for a valid [Default
Applications] entry before falling back to [Added Associations].
In KDE instead, if you have a file at ~/.config/mimeapps.list with an invalid
default application it will fall back the same file's [Added Associations]
before looking at other files' [Default Applications].
The issue manifests when the distro changes the desktop file name of a browser
you previously selected as default browser in systemsettings (which arguably
shouldn't happen, but...)
STEPS TO REPRODUCE
1. Install a non-distro-default browser -- I'm going to use Chromium as an
example
2. Backup ~/.config/mimeapps.list, if this is not a test machine
3. Create ~/.config/mimeapps.list with contents:
```
[Added Associations]
x-scheme-handler/http=bad-desktop-file.desktop;chromium-browser.desktop;
x-scheme-handler/https=bad-desktop-file.desktop;chromium-browser.desktop;
[Default Applications]
x-scheme-handler/http=bad-desktop-file.desktop;
x-scheme-handler/https=bad-desktop-file.desktop;
```
4. kbuildsycoca6
5. xdg-open http://foo
OBSERVED RESULT
https://foo opens in Chromium
EXPECTED RESULT
https://foo opens in the distro's default browser, as specified in some other
XDG directory such as /usr/share/mimeapps.list
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: Fedora KDE Rawhide
(available in About System)
KDE Plasma Version: 6.0.2
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
ADDITIONAL INFORMATION
GNOME's implementation seems conformant
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