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Prepare changelog for 0.18.1

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Alexander Neumann
2025-09-21 20:03:56 +02:00
parent b7bb697cf7
commit 426b71e3e5
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changelog/0.18.1_2025-09-21/issue-5467 Normal file
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Bugfix: Improve handling of download retries in `check` command
In very rare cases, the `check` command could unnecessarily report repository
damage if the backend returned incomplete, corrupted data on the first download
try which is afterwards resolved by a download retry.
This could result in an error output like the following:
```
Load(<data/34567890ab>, 33918928, 0) returned error, retrying after 871.35598ms: readFull: unexpected EOF
Load(<data/34567890ab>, 33918928, 0) operation successful after 1 retries
check successful on second attempt, original error pack 34567890ab[...] contains 6 errors: [blob 12345678[...]: decrypting blob <data/12345678> from 34567890 failed: ciphertext verification failed ...]
[...]
Fatal: repository contains errors
```
This fix only applies to a very specific case where the log shows
`operation successful after 1 retries` followed by a
`check successful on second attempt, original error` that only reports
`ciphertext verification failed` errors in the pack file. If any other errors
are reported in the pack file, then the repository still has to be considered
as damaged.
Now, only the check result of the last download retry is reported as intended.
https://github.com/restic/restic/issues/5467
https://github.com/restic/restic/pull/5495