sync now ignores self referencing urls, this will help
in clustering mode where we can have the same config
for multiple zots
closes#1335
Signed-off-by: Petu Eusebiu <peusebiu@cisco.com>
sync: remove sync WaitGroup, it's stopped with context
sync: onDemand will always try to sync newest image when a tag is used
if a digest is used then onDemand will serve local image
test(sync): fix flaky coverage in sync package
closes#1294
Signed-off-by: Petu Eusebiu <peusebiu@cisco.com>