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merlin2011
Asked: 2024-12-06 16:14:53 +0800 CST

为什么 `git rev-list --objects` 可能会错过两个 blob？

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在一个大型仓库中，我最近运行了以下命令：

git rev-list --objects <my_rev_list> RevListOut.txt

echo -e "<my_rev_list>" | git pack-objects --revs /tmp/XXX
git verify-pack -v /tmp/XXX-b569475c51d937df848abbcfe16433e2f8ebc0f5.pack > Unpack.txt

当我比较和中的对象时RevListOut.txt，Unpack.txt我发现中恰好有两个对象Unpack.txt在中不存在RevListOut.txt，它们具有以下shas：

380a0876f57a4708b4a73a29d2ace2d4506880a2
2000687bd2701ff5c7c37013178d15384f0deefa

我做了进一步调查，发现这两个对象都对应于 git 跟踪的文件。

为什么可能会git rev-list --objects错过一个物体？

git

1 个回答

  1. Best Answer

    检查配置帮助我

       pack.useSparse
       When true, git will default to using the --sparse option in git
       pack-objects when the --revs option is present. This algorithm only
       walks trees that appear in paths that introduce new objects. This
       can have significant performance benefits when computing a pack to
       send a small change. However, it is possible that extra objects are
       added to the pack-file if the included commits contain certain types
       of direct renames. Default is true.

    并注意那里的最后两句话。

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