allow KeyManager to recover from incompatible agents.

This is for example a problem with Vagrant on Windows: https://github.com/mitchellh/vagrant/issues/1455

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/net/ssh/authentication/agent/socket.rb b/lib/net/ssh/authentication/agent/socket.rb
index 78b6382..485350a 100644
--- a/lib/net/ssh/authentication/agent/socket.rb
+++ b/lib/net/ssh/authentication/agent/socket.rb
@@ -76,9 +76,9 @@ module Net; module SSH; module Authentication
       type, body = send_and_wait(SSH2_AGENT_REQUEST_VERSION, :string, Transport::ServerVersion::PROTO_VERSION)
 
       if type == SSH2_AGENT_VERSION_RESPONSE
-        raise NotImplementedError, "SSH2 agents are not yet supported"
+        raise AgentNotAvailable, "SSH2 agents are not yet supported"
       elsif type != SSH_AGENT_RSA_IDENTITIES_ANSWER1 && type != SSH_AGENT_RSA_IDENTITIES_ANSWER2
-        raise AgentError, "unknown response from agent: #{type}, #{body.to_s.inspect}"
+        raise AgentNotAvailable, "unknown response from agent: #{type}, #{body.to_s.inspect}"
       end
     end