[dolphin] [Bug 480165] New: When copying a folder to ExFAT with a name that has unsupported characters, Dolphin suggests to rename it but then fails to copy the contents

[Albert Vaca]

https://bugs.kde.org/show_bug.cgi?id=480165

            Bug ID: 480165
           Summary: When copying a folder to ExFAT with a name that has
                    unsupported characters, Dolphin suggests to rename it
                    but then fails to copy the contents
    Classification: Applications
           Product: dolphin
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: albertvaka at gmail.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 165129
  --> https://bugs.kde.org/attachment.cgi?id=165129&action=edit
Error dialog

SUMMARY
ExFAT doesn't allow file names with characters like question marks, colons,
etc. When copying a file folder that has such a character in its name, Dolphin
is smart enough to suggest renaming it on the fly. However, the contents of the
folder then fail to be copied to the renamed location.

STEPS TO REPRODUCE
You need a disk formatted with a proper filesystem like ext4 and a flashdrive
formatted with exfat.
1. Create a folder in your ext4 disk with a name that contains question marks
eg: "hello??". Create one file inside the folder.
2. Copy the folder to the exFAT disk. Dolphin suggests to rename it to replace
the question marks, which are not valid in exfat, in the previous example to
"hello__".

OBSERVED RESULT
3. Dolphin fails to copy the contents of the directory, with the attached
error. (BONUS BUG: the filename is cropped even if I resize the window, so I
can't never fully read the file path).

EXPECTED RESULT
Once the folder is renamed, the contents should be copied successfully from the
unrenamed to the renamed.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: master
KDE Plasma Version: master
KDE Frameworks Version: master 
Qt Version: master

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