https://bugs.kde.org/show_bug.cgi?id=507493
Bug ID: 507493
Summary: Folder custom icons are ignored on bcachefs file
system
Classification: Frameworks and Libraries
Product: frameworks-kio
Version First 6.16.0
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Created attachment 183515
--> https://bugs.kde.org/attachment.cgi?id=183515&action=edit
Folder with and without a custom icon
SUMMARY
If a folder is situated on a bcachefs partition its icon in Dolphin will not
display a custom icon set in the `.directory` file.
STEPS TO REPRODUCE
1. Setup the environment.
> $ touch fs && truncate fs --size 128M && mkfs.bcachefs fs && sudo mount fs
> /mnt && sudo chown $USER:$USER /mnt && mkdir /mnt/folder && printf '[Desktop
> Entry]\nIcon=folder-games\n' > /mnt/folder/.directory
2. Open the Dolphin file manager.
3. Open the `/mnt` directory.
OBSERVED RESULT
Icon of `/mnt/folder` keeps its stock appearance.
EXPECTED RESULT
Icon of `/mnt/folder` changes to the one set in the `.directory` file.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.4.3
KDE Frameworks Version: 6.16.0
Qt Version: 6.9.1
Kernel Version: 6.15.7-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600G with Radeon Graphics
Memory: 32 GiB of RAM (27.3 GiB usable)
Graphics Processor: AMD Radeon Graphics
ADDITIONAL INFORMATION
The cause of this bug is a file size check at
https://invent.kde.org/frameworks/kio/-/blob/v6.16.0/src/core/>
kfileitem.cpp?ref_type=tags#L1020
> static bool isDirectoryMounted(const QUrl &url)
> {
> // Stating .directory files can cause long freezes when e.g. /home
> // uses autofs for every user's home directory, i.e. opening /home
> // in a file dialog will mount every single home directory.
> // These non-mounted directories can be identified by having 0 size.
> // There are also other directories with 0 size, such as /proc, that may
> // be mounted, but those are unlikely to contain .directory (and checking
> // this would require checking with KMountPoint).
>
> // TODO: maybe this could be checked with KFileSystemType instead?
> QFileInfo info(url.toLocalFile());
> if (info.isDir() && info.size() == 0) {
> return false;
> }
> return true;
> }
It seems on bcachefs stat'ing any folder results in the reported size always
being 0.
> $ stat /mnt/folder
> File: /mnt/folder
> Size: 0 Blocks: 0 IO Block: 4096 directory
> Device: 253,0 Inode: 74608 Links: 2
> Access: (0755/drwxr-xr-x) Uid: ( 1000/ user) Gid: ( 1000/ group)
> Access: 2025-07-25 XX:XX:XX.XXXXXXXXX -XXXX
> Modify: 2025-07-25 XX:XX:XX.XXXXXXXXX +XXXX
> Change: 2025-07-25 XX:XX:XX.XXXXXXXXX -XXXX
> Birth: 2025-07-25 XX:XX:XX.XXXXXXXXX +XXXX
Replacing the above size check with `return true` makes the Dolphin file manger
respect the icon set in the `.directory` file.
As the check still remains unchanged in the master branch
(f60be14b9ed1b90273d1ef9e2ed145afdd3db6e9) the bug should certainly remain
unresolved.
This bug may be a duplicate of Bug 406541, which was marked RESOLVED due to
inactivity.
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