Failed to connect to chromium.googlesource.com port 443: Operation timed out

git clone googlesource 的各种 timeout：Failed to connect to chromium.googlesource.com port 443: Operation timed out

GFW 挡不住上学人的求知欲。

一通改代理也没用。

后面通过灵机一动将 chromium.googlesource.com/ 替换为mirrors.tuna.tsinghua.edu.cn/git/chromiumos!! 果然成了！

# invalid
git clone https://chromium.googlesource.com/chromium/tools/depot_tools

# avaliable
git clone https://mirrors.tuna.tsinghua.edu.cn/git/chromiumos/chromium/tools/depot_tools

参考: https://www.wenjiangs.com/doc/jxbhwbxz