通过composer添加了一个 facebook/xhprof 用来查看网站的性能情况。在composer.json的require字段添加了：
<code>"facebook/xhprof": "dev-master" </code>
然后运行命令: composer update 成功安装好这个包，包被安装到了根目录下的vendor里，到这里都没问题。
但是之后通过git add * git commit -m ""无法将vendor/facebook/xhprof里的文件提交上去，只提交了个facebook/xhprof的目录，下面的文件一个也没有。
这个问题也不是今天第一次遇到了，之前也碰到过几次，当时在服务器上调试了好久，后来一查才知道，原来都是只提交上了目录，目录下的文件都没有提交。
PS：.gitignore 文件我有检查过，可以确定没有屏蔽掉目录下的文件，但就是提交不上去。
回复内容：
通过composer添加了一个 facebook/xhprof 用来查看网站的性能情况。在composer.json的require字段添加了：
<code>"facebook/xhprof": "dev-master" </code>
然后运行命令: composer update 成功安装好这个包，包被安装到了根目录下的vendor里，到这里都没问题。
但是之后通过git add * git commit -m ""无法将vendor/facebook/xhprof里的文件提交上去，只提交了个facebook/xhprof的目录，下面的文件一个也没有。
这个问题也不是今天第一次遇到了，之前也碰到过几次，当时在服务器上调试了好久，后来一查才知道，原来都是只提交上了目录，目录下的文件都没有提交。
PS：.gitignore 文件我有检查过，可以确定没有屏蔽掉目录下的文件，但就是提交不上去。
facebook/xhprof 目录会产生一个 .git 文件夹，受这个文件夹影响，你传不了。可以把它删了，再传
使用composer update --prefer-dist（忽略项目.git目录），
这篇文章或许可以解决你的疑惑，https://segmentfault.com/a/1190000005105795
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