问题描述
如果我在某个文件夹/ foo中安装了Grunt，但是当前的文件夹是/ foo / bar / baz，并且我在当前文件夹中运行了grunt sometask，我该如何获得Grunt（或NodeJS） ）来确定我目前的路径？也就是说，如何以编程方式获取当我调用grunt时所在的文件夹？
If I have Grunt installed in some folder /foo, but my current folder is /foo/bar/baz, and I run "grunt sometask" from within my current folder, how can I get Grunt (or NodeJS for that matter) to determine my current path? That is to say, how can I programmatically GET the folder I was in when I called grunt?
当我使用process.cwd（）时，得到gruntfile，即foo，这不是我想要的。
When I use process.cwd(), I get the path of the gruntfile, ie, "foo", which is not what I want.
我不需要在Grunt中专门做这件事，任何基于nodejs的解决方案都可以工作。
I don't have to do this in Grunt specifically, any nodejs-based solution would work.
推荐答案
根据：
According to the source code:
而且，voilá，显示了grunt实际上是如何将当前目录更改为Gruntfile的路径：
And, voilá, this line of code shows how grunt actually changes the current directory to the path of the Gruntfile:
process.chdir(grunt.option('base') || path.dirname(gruntfile));
然而，选项 - base 是就是这样。查看文档：
However, option --base is there for just that. See docs: http://gruntjs.com/api/grunt.file
如果您不需要从 Gruntfile内执行操作，只需运行一个脚本来捕获 process.cwd（）然后 execs grunt。
If you don't need to do it from inside the Gruntfile, simply run a script that captures the process.cwd() and then execs grunt.
请参阅：
var exec = require('exec');
process.cwd(); // Will have your current path
exec(['grunt', 'mytask'], function(err, out, code) {
if (err instanceof Error)
throw err;
process.stderr.write(err);
process.stdout.write(out);
process.exit(code);
});
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