修改All-Projects的project.config文件

到gerrrit的设置里将All-Projects项目下载下来

#refs/meta/config 是All-Projects的引用
git fetch origin refs/meta/config:refs/remotes/origin/meta/config
git checkout meta/config
#现在目录下有groups project.config两个文件
#提交修改
git add .
git commit -m “modify config”
git push origin meta/config:meta/config
或
git push origin HEAD:refs/for/refs/meta/config