Added support for multi-session and multi-machine

Added:
* Optional session name as argument
* Multiple named tmux sessions to the same machine
* multiple machines with shared homes
* changed default session name to 'default'

scripts/tmux.py

@@ -1,16 +1,23 @@
 #!/usr/bin/env python
 import os
 import subprocess
+import sys
 
 print("TMUX: %s" % os.getenv("TMUX", ""))
 print("SSH_TTY: %s" % os.getenv("SSH_TTY", ""))
 print("SSH_AUTH_SOCK: %s" % os.getenv("SSH_AUTH_SOCK", ""))
 print("HOME: %s" % os.getenv("HOME", ""))
 
+session_name  = 'default'
+if len(sys.argv) > 1:
+    session_name = sys.argv[1]
+
+ssh_auth_sock = '-'.join(['ssh_auth_sock', os.getenv('HOSTNAME'), session_name])
+
 if os.getenv("TMUX") is None:
     if os.getenv("SSH_TTY") is not None:
         if os.getenv("SSH_AUTH_SOCK") is not None:
-            sock_file = os.path.join(os.getenv("HOME"), ".wrap_auth_sock")
+            sock_file = os.path.join(os.getenv("HOME"), '.ssh', ssh_auth_sock)
             try:
                 #always try to remove
                 os.remove(sock_file)
@@ -20,9 +27,9 @@ if os.getenv("TMUX") is None:
             os.environ['SSH_AUTH_SOCK'] = sock_file
 
     try:
-        subprocess.check_call(["tmux", "attach-session", "-t", "sshwrap"])
+        subprocess.check_call(["tmux", "attach-session", "-t", session_name])
     except subprocess.CalledProcessError:
         print("lets create session")
         os.environ['STY'] = "tmux-sshwrap"
-        os.execlpe("tmux", "tmux", "new-session", "-s", "sshwrap",
+        os.execlpe("tmux", "tmux", "new-session", "-s", session_name,
                    os.environ)