pod ‘IQKeyboardManager’
[!] Error installing IQKeyboardManager
[!] Error installing IQKeyboardManager
[!] /usr/bin/git clone https://github.com/hackiftekhar/IQKeyboardManager.git /var/folders/sw/mp4pq1x54kd3tzrbp95yyhf00000gn/T/d20190115-2459-14bvbxy --template= --single-branch --depth 1 --branch v6.2.0
Cloning into ‘/var/folders/sw/mp4pq1x54kd3tzrbp95yyhf00000gn/T/d20190115-2459-14bvbxy’…
error: RPC failed; curl 56 LibreSSL SSL_read: SSL_ERROR_SYSCALL, errno 54
fatal: The remote end hung up unexpectedly
fatal: early EOF
fatal: index-pack failed
pod search IQKeyboardManager 你会发现还有一个SWIFT版本的IQKey，个人猜测是系统不知道引用哪一个了所以报错。
解决办法：
pod ‘IQKeyboardManager’, ‘~> 6.2.0’