beautifulcode/ssh-copy-id-for-OSX — pull request #3 by barrbrain (2013-03-22 00:17:31+00:00)
Title: ssh-copy-id.sh: empty ssh-agent on Snow Leopard

On Snow Leopard, ssh-add -L outputs a warning to stdout when the agent
has no identities. Compensate for this by removing the warning from
the output with grep.