git从常规散列获得短散列 [英] git get short hash from regular hash

问题描述

我有一个常规的长SHA-1哈希字符串。我希望得到最短的，明确的SHA-1哈希字符串版本。也就是说，我会通过使用 git log -1 --pretty = format：％h 得到的，假设长哈希表示最后的提交。

I have a regular long SHA-1 hash string. I would like to get the shortest unambiguous SHA-1 hash string version of it. That is, the one I would get by using git log -1 --pretty=format:%h, assuming the long hash refers to the last commit.

推荐答案

你可以得到的最短SHA1的长度为4.Rev解析会给你一个默认7的SHA1和short选项： / p>

The shortest SHA1 you can get has a length of 4. Rev parse will give you a SHA1 of 7 by default with the short option :

git rev-parse --short 921103db8259eb9de72f42db8b939895f5651489
921103d

您必须指定4作为short选项才能拥有最短的明确SHA1：

You have to specify 4 to the short option to have the shortest unambiguous SHA1 :

git rev-parse --short=4 921103db8259eb9de72f42db8b939895f5651489
92110

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