git 不用clone整个远程仓库，只把特定的commit给fetch下来的方案

一个麻烦点就是，我需要阅读一个大点的开源项目，远程仓库的代码量太庞大了，如果我需要git reset --hard [commit sha1]感兴趣的commit快照，就首先得git clone整个远程仓库，

时间需要等待太长，而且网络一旦有问题还会功亏一篑。所有有没有一种只拉取远程仓库中的某个commit呢？有。命令行如下:

# make a new blank repository in the current directory

git init

# add a remote

git remote add [nick_name] [url://to/source/repository]

# fetch a commit (or branch or tag) of interest

# Note: the full history of this commit will be retrieved

git fetch [nick_name] <sha1-of-commit-of-interest>

# reset this repository's master branch to the commit of interest

git reset --hard FETCH_HEAD

references:
https://stackoverflow.com/questions/14872486/retrieve-specific-commit-from-a-remote-git-repository
https://stackoverflow.com/questions/14370157/git-fetch-a-specific-commit-by-hash
https://stackoverflow.com/questions/3489173/how-to-clone-git-repository-with-specific-revision-changeset#

巴特西

git 不用clone整个远程仓库，只把特定的commit给fetch下来的方案

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