1. 错误信息：
repo sync CyanogenMod/Superuser Fetching project CyanogenMod/Superuser Fetching projects: 100% (1/1), done. error: in `sync CyanogenMod/Superuser`: [Errno 2] No such file or directory: u‘/media/Source/cm-11.0/external/koush/Superuser/.git/HEAD‘ error: manifest missing or unreadable -- please run init
分析原因：
某一次同步，强制关机或kill掉了repo进程
解决方法：
# 删除 external/koush/Superuser 目录重新同步 rm -rf external/koush/Superuser repo sync CyanogenMod/Superuser
2. 错误信息：
repo sync platform/prebuilts/sdk Fetching project platform/prebuilts/sdk fatal: unable to access ‘https://android.googlesource.com/platform/prebuilts/sdk/‘: Failed to connect to android.googlesource.com port 443: Connection timed out
分析原因：
网络环境差导致的，建议FQ后再同步
解决方法：
env http_proxy=http://host:post https_proxy=http://host:post repo sync platform/prebuilts/sdk
===Reversed===
原文：http://www.cnblogs.com/scue/p/4127102.html