Add options for shell options

Make it possible to pass window_name and shell command to
server.new_session
Make it possible to pass shell command to window.split_window

Signed-off-by: Jo De Boeck <deboeck.jo@gmail.com>

Author: grimpy

libtmux/server.py

@@ -409,6 +409,8 @@ def new_session(self,
                     kill_session=False,
                     attach=False,
                     start_directory=None,
+                    window_name=None,
+                    shell=None,
                     *args,
                     **kwargs):
         """Return :class:`Session` from  ``$ tmux new-session``.
@@ -441,6 +443,18 @@ def new_session(self,
             new session is created.
         :type start_directory: str
 
+        :param window_name: window name::
+
+            $ tmux new-session -n <window_name>
+
+        :type session_name: str
+        :param shell: execute a command on starting the session.  The
+            window will close when the command exits.
+            NOTE: When this command exits the window will close.  This feature
+            is useful for long-running processes where the closing of the
+            window upon completion is desired.
+        :type window_command: str
+
         :raises: :exc:`exc.BadSessionName`
         :rtype: :class:`Session`
 
@@ -477,11 +491,17 @@ def new_session(self,
         if start_directory:
             tmux_args += ('-c', start_directory)
 
+        if window_name:
+            tmux_args += ('-n', window_name)
+
         # tmux 2.6 gives unattached sessions a tiny default area
         # no need send in -x/-y if they're in a client already, though
         if has_gte_version('2.6') and 'TMUX' not in os.environ:
             tmux_args += ('-x', 800, '-y', 600)
 
+        if shell:
+            tmux_args += (shell, )
+
         proc = self.cmd(
             'new-session',
             *tmux_args

libtmux/window.py

@@ -351,7 +351,8 @@ def split_window(
         target=None,
         start_directory=None,
         attach=True,
-        vertical=True
+        vertical=True,
+        shell=None
     ):
         """Split window and return the created :class:`Pane`.
 
@@ -379,6 +380,12 @@ def split_window(
         :type target: bool
         :param vertical: split vertically
         :type vertical: bool
+        :param shell: execute a command on splitting the window.  The
+            pane will close when the command exits.
+            NOTE: When this command exits the pane will close.  This feature
+            is useful for long-running processes where the closing of the
+            window upon completion is desired.
+        :type shell: str
 
         :rtype: :class:`Pane`
 
@@ -414,6 +421,9 @@ def split_window(
         if not attach:
             tmux_args += ('-d',)
 
+        if shell:
+            tmux_args += (shell, )
+
         pane = self.cmd(
             'split-window',
             *tmux_args