Add wwalker/ssh-find-agent to zsh startup. Thanks @wwalker!

homedir_root/.zsh.d/S10-ssh-find-agent

@@ -0,0 +1,113 @@
+# Copyright (C) 2011 by Wayne Walker <wwalker@solid-constructs.com>
+#
+# Released under one of the versions of the MIT License.
+#
+# See LICENSE for details
+
+_LIVE_AGENT_LIST=""
+
+_debug_print() {
+  if [[ $_DEBUG -gt 0 ]]
+  then
+    printf "%s\n" $1
+  fi
+}
+
+find_all_ssh_agent_sockets() {
+  _SSH_AGENT_SOCKETS=`find /tmp -type s -name agent.\* 2> /dev/null | grep '/tmp/ssh-.*/agent.*'`
+  _debug_print "$_SSH_AGENT_SOCKETS"
+}
+
+find_all_gpg_agent_sockets() {
+  _GPG_AGENT_SOCKETS=`find /tmp -type s -name S.gpg-agent.ssh 2> /dev/null | grep '/tmp/gpg-.*/S.gpg-agent.ssh'`
+  _debug_print "$_GPG_AGENT_SOCKETS"
+}
+
+find_all_gnome_keyring_agent_sockets() {
+  _GNOME_KEYRING_AGENT_SOCKETS=`find /tmp -type s -name ssh 2> /dev/null | grep '/tmp/keyring-.*/ssh$'`
+  _debug_print "$_GNOME_KEYRING_AGENT_SOCKETS"
+}
+
+find_all_osx_keychain_agent_sockets() {
+  _OSX_KEYCHAIN_AGENT_SOCKETS=`find /tmp/ -type s -regex '.*/launch-.*/Listeners$'  2> /dev/null`
+  _debug_print "$_OSX_KEYCHAIN_AGENT_SOCKETS"
+}
+
+test_agent_socket() {
+  local SOCKET=$1
+  SSH_AUTH_SOCK=$SOCKET ssh-add -l 2> /dev/null > /dev/null
+  result=$?
+
+  _debug_print $result
+
+  if [[ $result -eq 0 ]]
+  then
+    # contactible and has keys loaded
+    _KEY_COUNT=`SSH_AUTH_SOCK=$SOCKET ssh-add -l | wc -l | tr -d ' '`
+  fi
+
+  if [[ $result -eq 1 ]]
+  then
+    # contactible butno keys loaded
+    _KEY_COUNT=0
+  fi
+
+  if [[ ( ( $result -eq 0 ) || ( $result -eq 1 ) ) ]]
+  then
+    if [[ -n "$_LIVE_AGENT_LIST" ]]
+    then
+      _LIVE_AGENT_LIST="${_LIVE_AGENT_LIST} ${SOCKET}:$_KEY_COUNT"
+    else
+      _LIVE_AGENT_LIST="${SOCKET}:$_KEY_COUNT"
+    fi
+    return 0
+  fi
+
+  return 1
+}
+
+find_live_gnome_keyring_agents() {
+  for i in $_GNOME_KEYRING_AGENT_SOCKETS
+  do
+    test_agent_socket $i
+  done
+}
+
+find_live_osx_keychain_agents() {
+  for i in $_OSX_KEYCHAIN_AGENT_SOCKETS
+  do
+    test_agent_socket $i
+  done
+}
+
+find_live_gpg_agents() {
+  for i in $_GPG_AGENT_SOCKETS
+  do
+    test_agent_socket $i
+  done
+}
+
+find_live_ssh_agents() {
+  for i in $_SSH_AGENT_SOCKETS
+  do
+    test_agent_socket $i
+  done
+}
+
+find_all_agent_sockets() {
+  _LIVE_AGENT_LIST=
+  find_all_ssh_agent_sockets
+  find_all_gpg_agent_sockets
+  find_all_gnome_keyring_agent_sockets
+  find_all_osx_keychain_agent_sockets
+  find_live_ssh_agents
+  find_live_gpg_agents
+  find_live_gnome_keyring_agents
+  find_live_osx_keychain_agents
+  _debug_print "$_LIVE_AGENT_LIST"
+  printf "%s\n" "$_LIVE_AGENT_LIST" | sed -e 's/ /\n/g' | sort -n -t: -k 2 -k 1
+}
+
+set_ssh_agent_socket() {
+  export SSH_AUTH_SOCK=$(find_all_agent_sockets|tail -n 1|awk -F: '{print $1}')
+}