Andreas Olsson ce14df303b Don't require self-update --output placeholder file ... This removes the requirement on `restic self-update --output` to point to a path of an existing file, to overwrite. In case the specified path does exist we still want to verify that it's a regular file, rather than a directory or a device, which gets overwritten. We also want to verify that a path to a new file exists within an existing directory. The alternative being running into that issue after the actual download, etc has completed. While at it I also replace `errors.Errorf` with the more appropriately verbose `errors.Fatalf`. Resolves #2491		2020-10-03 07:02:23 +02:00
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issue-2491	Don't require self-update --output placeholder file	2020-10-03 07:02:23 +02:00