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Annotate bare ErrNotImplemented returns

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This makes it possible to see _what_ is not implemented from the caller.

Signed-off-by: Paul "TBBle" Hampson <Paul.Hampson@Pobox.com>
This commit is contained in:
Paul "TBBle" Hampson
2020-07-16 20:01:02 +10:00
parent 4318fa9c1f
commit 71f11db8a3
3 changed files with 5 additions and 4 deletions
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2
diff/lcow/lcow.go
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@@ -178,7 +178,7 @@ func (s windowsLcowDiff) Apply(ctx context.Context, desc ocispec.Descriptor, mou
// Compare creates a diff between the given mounts and uploads the result
// to the content store.
func (s windowsLcowDiff) Compare(ctx context.Context, lower, upper []mount.Mount, opts ...diff.Opt) (d ocispec.Descriptor, err error) {
return emptyDesc, errdefs.ErrNotImplemented
return emptyDesc, errors.Wrap(errdefs.ErrNotImplemented, "windowsLcowDiff does not implement Compare method")
}
type readCounter struct {