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Michael Eischer
2021-01-31 17:25:30 +01:00
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Bugfix: Fix possible data loss due to interrupted network connections
When rest-server was run without `--append-only` it was possible to lose uploaded
files in a specific scenario in which a network connection was interrupted. For the
data loss to occur a file upload by restic would have to be interrupted such that
restic notices the interrupted network connection before the rest-server. Then
restic would have to retry the file upload and finish it before the rest-server
notices that the initial upload has failed. Then the uploaded file would be
accidentally removed by rest-server when trying to cleanup the failed upload.
This has been fixed by always uploading to a temporary file first which is moved
in position only once it was transfered completely.
https://github.com/restic/rest-server/pull/142