在所有 Git 历史记录中搜索一个字符串？
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Search all of Git history for a string?
提问by Jorge Israel Pe?a
I have a code base which I want to push to GitHub as open source. In this git-controlled source tree, I have certain configuration files which contain passwords. I made sure not to track this file and I also added it to the .gitignorefile. However, I want to be absolutely positive that no sensitive information is going to be pushed, perhaps if something slipped in-between commits or something. I doubt I was careless enough to do this, but I want to be positive.
我有一个代码库，我想将其作为开源推送到 GitHub。在这个由 git 控制的源代码树中，我有一些包含密码的配置文件。我确保不跟踪此文件，并将其添加到.gitignore文件中。但是，我想绝对肯定的是，不会推送任何敏感信息，也许是在提交之间发生了某些事情。我怀疑我是否粗心大意这样做，但我想保持积极态度。
Is there a way to "grep" all of git? I know that sounds weird, but by "all" I mean every version of every file that ever existed. I guess if there is a command that dumps the diff file for every commit, that might work?
有没有办法“grep”所有的git？我知道这听起来很奇怪，但“全部”是指曾经存在的每个文件的每个版本。我想如果有一个命令可以为每次提交转储 diff 文件，那可能有用吗？
回答by Nathan Kinsinger
Git can search diffs with the -S option (it's called pickaxe in the docs)
Git 可以使用 -S 选项搜索差异（在文档中称为 pickaxe ）
git log -Spassword
This will find any commit that added or removed the string password. Here a few options:
这将找到添加或删除 string 的任何提交password。这里有几个选项：
-p: will show the diffs. If you provide a file (-p file), it will generate a patch for you.-G: looks for differences whose added or removed line matches the given regexp, as opposed to-S, which "looks for differences that introduce or remove an instance of string".--all: searches over all branches and tags; alternatively, use--branches[=<pattern>]or--tags[=<pattern>]
-p: 将显示差异。如果您提供一个文件 (-p file)，它将为您生成一个补丁。-G: 查找添加或删除的行与给定正则表达式匹配的差异，而不是-S“查找引入或删除字符串实例的差异”。--all: 搜索所有分支和标签；或者，使用--branches[=<pattern>]或--tags[=<pattern>]
回答by cdhowie
git rev-list --all | (
while read revision; do
git grep -F 'password' $revision
done
)
回答by kenorb
Try the following commands to search the string inside all previous tracked files:
尝试使用以下命令在所有先前跟踪的文件中搜索字符串：
git log --patch | less +/searching_string
or
或者
git rev-list --all | GIT_PAGER=cat xargs git grep 'search_string'
which needs to be run from the parent directory where you'd like to do the searching.
它需要从您想要进行搜索的父目录运行。
