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d0d46abc16
When we are loosening unreachable packed objects, we do not bother to process objects that would simply be pruned immediately anyway. The "would be pruned" check is a simple comparison, but is about to get more complicated. Let's pull it out into a separate function. Note that this is slightly less efficient than the original, which avoided even opening old packs, since no object in them could pass the current check, which cares only about the pack mtime. But the new rules will depend on the exact object, so we need to perform the check even for old packs. Note also that we fix a minor buglet when the pack mtime is exactly the same as the expiration time. The prune code considers that worth pruning, whereas our check here considered it worth keeping. This wasn't a big deal. Besides being unlikely to happen, the result was simply that the object was loosened and then pruned, missing the optimization. Still, we can easily fix it while we are here. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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