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debarshiray
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Thanks, because I got tripped by these while reading the code in the context of containers/podman#22575
| // The Digest field in BlobInfo is guaranteed to be provided, Size may be -1 and MediaType may be optionally provided. | ||
| // May update BlobInfoCache, preferably after it knows for certain that a blob truly exists at a specific location. | ||
| func (s *storageImageSource) GetBlob(ctx context.Context, info types.BlobInfo, cache types.BlobInfoCache) (rc io.ReadCloser, n int64, err error) { | ||
| func (s *storageImageSource) GetBlob(ctx context.Context, info types.BlobInfo, cache types.BlobInfoCache) (io.ReadCloser, int64, error) { |
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A combination of several deferred calls, and a return value that's a direct function call, which itself takes an unnamed function, makes these named return values treacherously confusing. :)
| // cleaned up on process termination (or if the caller forgets to invoke Close()) | ||
| // On older versions of Windows we will have to fallback to relying on the caller to invoke Close() | ||
| if err := os.Remove(tmpFile.Name()); err != nil { | ||
| if err := os.Remove(tmpFile.Name()); err == nil { |
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I had found myself scratching my head over this logic too but had set it aside because it didn't seem directly relevant to the issue at hand.
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LGTM |
They get horribly confusing, especially here where we use "rc" for two completely different purposes: containers/podman#22575 (comment) Should not change behavior. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Try unlinking it when we are done using if we _don't_ succeed unlinking it first, not if we _do succeed_. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
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@giuseppe @mheon @debarshiray PTAL |
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LGTM |
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I already did. I couldn't spot any further changes after the initial version. :) |
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… tangentially related to containers/podman#22575 :