https://bugs.kde.org/show_bug.cgi?id=422245
Bug ID: 422245
Summary: lose data upon failed integrity check of ignored files
Product: ktorrent
Version: 5.1
Platform: Kubuntu Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: joris.guis...@gmail.com
Reporter: matthieu.ver...@gmail.com
Target Milestone: ---
Created attachment 128922
--> https://bugs.kde.org/attachment.cgi?id=128922&action=edit
Torrent & data to reproduce the bug
SUMMARY
When executing integrity check, having a missing file although it is ignored
completely ruins the data by failing the integrity check and considering all
(non ignored) files at 0% too, thus downloading everything again.
STEPS TO REPRODUCE
1. Download the attachment, it contains a folder of 3 files (a, b, and c) and a
torrent of this folder
2. Run the torrent in ktorrent and store the download somewhere else
3. Copy the three files of the folder into the download folder to complete them
4. Run the integrity check in ktorrent -> 100% OK
5. Unselect file a to ignore its download
6. Run the integrity check in ktorrent -> 100% OK
7. Remove file a from the download folder
8. Run the integrity check in ktorrent
OBSERVED RESULT
- The last check fails with a missing file message
- It resets the completion of the whole torrent to 0%, including the files
still there (although the data seems to be there)
EXPECTED RESULT
- The last check should be successful because the missing file is not supposed
to be downloaded (it has been unselected)
- The torrent completion should not be reset to 0% for the available files
SOFTWARE/OS VERSIONS
Kubuntu 20.04
Linux (x86_64) release 5.4.0-33-generic
ADDITIONAL INFORMATION
The context motivating this use case is a torrent with many or several big
files. Once the files are downloaded, the user may want to move them elsewhere
manually. If the torrent is not at 100% but some files are already complete
(because some priorities were set), the user may then unselect these files in
the download list and move them. The user would expect the unselected files to
not be checked or downloaded again.
The issue is worsen with automatic integrity check after download: the check
fails, thus resetting everything to 0%, thus restarting the download from
scratch immediately. Once it completes, it automatically runs the integrity
check, fails again (the missing file was still unselected, so it has not been
downloaded), and the download restarts from 0% again in an infinite loop.
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