Translate 10-git-internals maintenance v2 #185
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| Occasionally, you may have to do some cleanup – make a repository more compact, clean up an imported repository, or recover lost work. | ||
| This section will cover some of these scenarios. | ||
| 偶尔，你必须要做一些清理 - 使一个仓库体积更小、清理一个导入的仓库、或者恢复丢失的工作。 |
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有的时候，你需要对版本库进行清理 - 使它的结构变得更紧凑，或是对导入的版本库进行清理，或是恢复丢失的内容。
| You need to get rid of anything that has a pointer to those old commits before you repack: | ||
| 你的历史不再包含对那个文件的引用。 | ||
| 然而，你的引用日志与你在 `.git/refs/original` 下做的 `filter-branch` 添加的一个新引用还引用着，所以你必须移除它们然后重新打包数据库。 | ||
| 在重新打包前需要移除任何包含指向那些旧提交的指针的东西： |
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@networm 审校完成 |
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@sanddudu 已修正；有问题的已评论；“仓库”与“版本库”最终决定保留“仓库”，所以以上不需要更改。 |
| The ``gc'' stands for garbage collect, and the command does a number of things: it gathers up all the loose objects and places them in packfiles, it consolidates packfiles into one big packfile, and it removes objects that aren't reachable from any commit and are a few months old. | ||
| Git 会不定时的自动运行一个叫做 ``auto gc'' 的命令。 | ||
| 大多数时候，这个命令并不会产生效果。 | ||
| 然而，如果有太多松散对象（不在包文件中的对象）或者太多包文件，Git 运行一个完整的 `git gc` 命令。 |
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@networm 已完成 |
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@IceNature 已修正。 |
| To get the appropriate SHA for a given reference, Git checks for that reference in the `refs` directory and then checks the `packed-refs` file as a fallback. | ||
| However, if you can't find a reference in the `refs` directory, it's probably in your `packed-refs` file. | ||
| 如果你更新了引用，Git 并不会修改这个文件，而是向 `refs/heads` 创建一个新的文件。 | ||
| 为了获得给一个引用的正确的 SHA，Git 会首先在 `refs` 目录中查找指定的引用，然后再到 `packed-refs` 文件中查找。 |
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为了获得给一个引用的正确的 SHA —— 为了获得指定引用的正确 SHA 值
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@networm 补充了一点 |
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@sanddudu 已修正。 |
| Most of the time, this command does nothing. | ||
| However, if there are too many loose objects (objects not in a packfile) or too many packfiles, Git launches a full-fledged `git gc` command. | ||
| The ``gc'' stands for garbage collect, and the command does a number of things: it gathers up all the loose objects and places them in packfiles, it consolidates packfiles into one big packfile, and it removes objects that aren't reachable from any commit and are a few months old. | ||
| Git 会不定时的自动运行一个叫做 ``auto gc'' 的命令。 |
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不定时地，不是的。
顺带说一下，的地得的乱用在审校中见过不少。。。
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@networm 已审核完毕，并提出 6 个修改意见。 |
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@Geno1024 已修正。 |
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Translate 10-git-internals maintenance
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@IceNature @Geno1024 @sanddudu 已合并入主干。 |
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