!squash more - add is_server_running

Author: tony

tmuxp/cli.py

@@ -724,12 +724,19 @@ def command_shell(
       session)
     - ``server.attached_session``, ``session.attached_window``, ``window.attached_pane``
     """
-    print(f'detached: {detached}')
     server = Server(socket_name=socket_name, socket_path=socket_path)
 
-    util.raise_if_tmux_not_running(server=server)
-
-    current_pane = util.get_current_pane(server=server)
+    if not util.is_server_running(server=server):
+        if answer_yes or click.confirm(
+            'No tmux server running, create?',
+            default=True,
+        ):
+            session = server.new_session(session_name=session_name or 'tmuxp shell')
+            window = session.attached_window
+            window_name = window.name
+            current_pane = window.attached_pane
+    else:
+        current_pane = util.get_current_pane(server=server)
 
     try:
         current_session = session = util.get_session(

tmuxp/util.py

@@ -92,6 +92,15 @@ def raise_if_tmux_not_running(server):
             raise e
 
 
+def is_server_running(server):
+    try:
+        raise_if_tmux_not_running(server=server)
+    except LibTmuxException:
+        return False
+
+    return True
+
+
 def get_current_pane(server):
     """Return Pane if one found in env"""
     if os.getenv('TMUX_PANE') is not None: