报错如下：
[!] /usr/local/bin/git clone https://github.com/ibireme/YYKit.git /var/folders/68/m10fkbsj5pj_54_d7_xdw6q80000gn/T/d20200717-27928-6sy3sw --template= --single-branch --depth 1 --branch 1.0.9
Cloning into '/var/folders/68/m10fkbsj5pj_54_d7_xdw6q80000gn/T/d20200717-27928-6sy3sw'...
error: RPC failed; curl 18 transfer closed with outstanding read data remaining
fatal: the remote end hung up unexpectedly
fatal: early EOF
fatal: index-pack failed
开始试了修改缓存大小（多大都没用）：
git config --global http.postBuffer 536870912
git config --global https.postBuffer 536870912
查找资料后得出结论实际原因是国外下载地址更换了，进行如下处理，对pod仓库更新：
cd ~/.cocoapods/repos/master
git pull
拉不下来就继续改大https.postBuffer大小（我改到了20个G）
拉取完成后执行pod install，安装正常（完美）
