merge oh-my-zsh into subdir

[dotfiles.git] / zsh / plugins / ssh-agent / ssh-agent.plugin.zsh

diff --git a/zsh/plugins/ssh-agent/ssh-agent.plugin.zsh b/zsh/plugins/ssh-agent/ssh-agent.plugin.zsh
new file mode 100644 (file)
index 0000000..c4e92a1
--- /dev/null
+++ b/zsh/plugins/ssh-agent/ssh-agent.plugin.zsh
@@ -0,0 +1,62 @@
+#
+# INSTRUCTIONS
+#
+#   To enabled agent forwarding support add the following to
+#   your .zshrc file:
+#
+#     zstyle :omz:plugins:ssh-agent agent-forwarding on
+#
+#   To load multiple identies use the identities style, For
+#   example:
+#
+#     zstyle :omz:plugins:ssh-agent id_rsa id_rsa2 id_github
+#
+#
+# CREDITS
+#
+#   Based on code from Joseph M. Reagle
+#   http://www.cygwin.com/ml/cygwin/2001-06/msg00537.html
+#
+#   Agent forwarding support based on ideas from
+#   Florent Thoumie and Jonas Pfenniger
+#
+
+local _plugin__ssh_env=$HOME/.ssh/environment-$HOST
+local _plugin__forwarding
+
+function _plugin__start_agent()
+{
+  local -a identities
+
+  # start ssh-agent and setup environment
+  /usr/bin/env ssh-agent | sed 's/^echo/#echo/' > ${_plugin__ssh_env}
+  chmod 600 ${_plugin__ssh_env}
+  . ${_plugin__ssh_env} > /dev/null
+
+  # load identies
+  zstyle -a :omz:plugins:ssh-agent identities identities 
+  echo starting...
+  /usr/bin/ssh-add $HOME/.ssh/${^identities}
+}
+
+# test if agent-forwarding is enabled
+zstyle -b :omz:plugins:ssh-agent agent-forwarding _plugin__forwarding
+if [[ ${_plugin__forwarding} == "yes" && -n "$SSH_AUTH_SOCK" ]]; then
+  # Add a nifty symlink for screen/tmux if agent forwarding
+  [[ -L $SSH_AUTH_SOCK ]] || ln -sf "$SSH_AUTH_SOCK" /tmp/ssh-agent-$USER-screen
+
+elif [ -f "${_plugin__ssh_env}" ]; then
+  # Source SSH settings, if applicable
+  . ${_plugin__ssh_env} > /dev/null
+  ps -ef | grep ${SSH_AGENT_PID} | grep ssh-agent$ > /dev/null || {
+    _plugin__start_agent;
+  }
+else
+  _plugin__start_agent;
+fi
+
+# tidy up after ourselves
+unfunction _plugin__start_agent
+unset _plugin__forwarding
+unset _plugin__ssh_env
+