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doc: Polish changelogs

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Leo R. Lundgren 2023-10-23 20:45:15 +02:00
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25
changelog/unreleased/issue-4523
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Bugfix: Update zstd library to fix possible data corruption at max. compression
In restic 0.16.0, backups using maximum compression could result in data
corruption due to a bug in the library used for compressing data. Please note
that the "auto" compression level (used by default) is not affected!
To check a repository for data corruption, run `restic check --read-data`. This
will download and verify the whole repository. If the `check` command detects
data corruption, follow the suggested steps. To simplify the repository repair
and minimize data loss, we've also added an experimental `repair packs` command
that salvages all valid data from the affected pack files.
In restic 0.16.0, backups where the compression level was set to `max` (using
`--compression max`) could in rare and very specific circumstances result in
data corruption due to a bug in the library used for compressing data.
Restic now uses the latest version of the library used to compress data, which
includes a fix for the data corruption issue.
includes a fix for this issue. Please note that the `auto` compression level
(which restic uses by default) was never affected, and even if you used `max`
compression, chances of being affected by this issue were very small.
To check a repository for any corruption, run `restic check --read-data`. This
will download and verify the whole repository and can be used at any time to
completely verify the integrity of a repository. If the `check` command detects
anomalies, follow the suggested steps.
To simplify any needed repository repair and minimize data loss, there is also
a new and experimental `repair packs` command that salvages all valid data from
the affected pack files (see `restic help repair packs` for more information).
https://github.com/restic/restic/issues/4523
https://github.com/restic/restic/pull/4530

13
changelog/unreleased/pull-4480
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Enhancement: Allow setting REST password and username via environment variables
Previously, it was only possible to specify the REST server username and
password in the repository URL, or using the `--repository-file` option. This
meant it was not possible to use authentication in contexts where the
repository URL is stored in publicly accessible way. Restic now allows setting
the username and password using the `RESTIC_REST_USERNAME` and
`RESTIC_REST_PASSWORD` variables.
Previously, it was only possible to specify the REST-server username and
password in the repository URL, or by using the `--repository-file` option.
This meant it was not possible to use authentication in contexts where the
repository URL is stored in publicly accessible way.
Restic now allows setting the username and password using the
`RESTIC_REST_USERNAME` and `RESTIC_REST_PASSWORD` variables.
https://github.com/restic/restic/pull/4480