Reuse the reader returned by FetchReference #5102
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FetchReference already returns a reader to the manifest content.
However, content.Successors operates on a Fetcher. In order to funnel
the already open reader into content.Successors, create a FetcherFunc
that returns it.
This saves one additional GET request.
Before:
GET /v2/repository/artifact/manifests/latest
GET /v2/repository/artifact/manifests/sha256:341098d11767212bb4d148f3fe8e82fc2939c3be247b233291a62e39a594ed09
GET /v2/repository/artifact/blobs/sha256:9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08
After:
GET /v2/repository/artifact/manifests/latest
GET /v2/repository/artifact/blobs/sha256:9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08
Signed-off-by: Tom Wieczorek <[email protected]>
They increase coverage slightly from 85.7% to 87%. Signed-off-by: Tom Wieczorek <[email protected]>
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Description
FetchReferencealready returns a reader to the manifest content. However,content.Successorsoperates on aFetcher. In order to funnel the already open reader intocontent.Successors, create aFetcherFuncthat returns it.This saves one additional GET request.
Before:
After:
Add some more tests. They increase coverage slightly from 85.7% to 87%.
Type of change
How Has This Been Tested?
Checklist: