Fix tmux ssh sockets

.ssh/rc

@@ -0,0 +1,5 @@
+# Create symlink to current ssh socket, if a symlink to an active socket
+# does not exist
+if [ ! -S ~/.ssh/ssh_auth_sock ] && [ -S "$SSH_AUTH_SOCK" ]; then
+    ln -sf $SSH_AUTH_SOCK ~/.ssh/ssh_auth_sock
+fi

.tmux.conf

@@ -6,3 +6,6 @@ set -g mouse on
 # pane movement
 bind-key j command-prompt -p "join pane from:"  "join-pane -s '%%'"
 bind-key s command-prompt -p "send pane to:"  "join-pane -t '%%'"
+
+# ssh socket, important to create symlink in ~/.ssh/rc
+set-environment -g 'SSH_AUTH_SOCK' ~/.ssh/ssh_auth_sock