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authorLibravatar Jonathan Tan <jonathantanmy@google.com>2021-07-23 11:52:23 -0700
committerLibravatar Junio C Hamano <gitster@pobox.com>2021-07-23 14:22:21 -0700
commitd3da223f2214ebc1527ccf66428aa975de916682 (patch)
treeaae4dd727ca7149ef83b96b61859891a0c4ccda3 /t/t7516-commit-races.sh
parentunpack-trees: refactor prefetching code (diff)
downloadtgif-d3da223f2214ebc1527ccf66428aa975de916682.tar.xz
cache-tree: prefetch in partial clone read-tree
"git read-tree" checks the existence of the blobs referenced by the given tree, but does not bulk prefetch them. Add a bulk prefetch. The lack of prefetch here was noticed at $DAYJOB during a merge involving some specific commits, but I couldn't find a minimal merge that didn't also trigger the prefetch in check_updates() in unpack-trees.c (and in all these cases, the lack of prefetch in cache-tree.c didn't matter because all the relevant blobs would have already been prefetched by then). This is why I used read-tree here to exercise this code path. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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