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252562d00a
Before this change, operations.CopyDirMetadata would fail with: `internal error: expecting directory string from combine root '' to have SetMetadata method: optional feature not implemented` if the dst was the root directory of a combine upstream. This is because combine was returning a *fs.Dir, which does not satisfy the fs.SetMetadataer interface. While it is true that combine cannot set metadata on the root of an upstream (see also #7652), this should not be considered an error that causes sync to do high-level retries, abort without doing deletes, etc. This change addresses the issue by creating a new type of DirWrapper that is allowed to fail silently, for exceptional cases such as this where certain special directories have more limited abilities than what the Fs usually supports. It is possible that other similar wrapping backends (Union?) may need this same fix. |
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| .. | ||
| combine_internal_test.go | ||
| combine_test.go | ||
| combine.go | ||