Add tracking to elided layer pulls.

mattmoor · mattmoor · commit d5482089bfd0 · 2017-01-31T16:36:17.000-08:00
Signed-off-by: Matt Moore &lt;mattmoor@google.com&gt;
diff --git a/distribution/xfer/download.go b/distribution/xfer/download.go
@@ -126,6 +126,11 @@ func (ldm *LayerDownloadManager) Download(ctx context.Context, initialRootFS ima
 					topLayer = l
 					missingLayer = false
 					rootFS.Append(diffID)
+					// Register this repository as a source of this layer.
+					withRegistered, hasRegistered := descriptor.(DownloadDescriptorWithRegistered)
+					if hasRegistered {
+						withRegistered.Registered(diffID)
+					}
 					continue
 				}
 			}

Original file line number	Diff line number	Diff line change
`@@ -126,6 +126,11 @@ func (ldm *LayerDownloadManager) Download(ctx context.Context, initialRootFS ima`
`126`	`126`	`topLayer = l`
`127`	`127`	`missingLayer = false`
`128`	`128`	`rootFS.Append(diffID)`
	`129`	`+ // Register this repository as a source of this layer.`
	`130`	`+ withRegistered, hasRegistered := descriptor.(DownloadDescriptorWithRegistered)`
	`131`	`+ if hasRegistered {`
	`132`	`+ withRegistered.Registered(diffID)`
	`133`	`+ }`
`129`	`134`	`continue`
`130`	`135`	`}`
`131`	`136`	`}`