tmxrun: Add support for 'split-window'

Signed-off-by: Nathan Chancellor <[email protected]>

fish/functions/tmxrun.fish

@@ -6,7 +6,7 @@ function tmxrun -d "Wrapper for tmxrun.py"
     # The duplication is sad but it is so much better to handle adding -- in the wrapper function
     for arg in $argv
         switch $arg
-            case -c -d -H --container --detach --host
+            case -c -d -H -s -v --container --detach --host --split-horizontal --split-vertical
                 if not set -q pos_args
                     set -a py_args $arg
                 else

python/scripts/tmxrun.py

@@ -11,8 +11,7 @@
 # pylint: enable=wrong-import-position
 
 parser = ArgumentParser(
-    description=
-    'Run command in "tmux new-window" with proper quoting to run in either host or container')
+    description='Run command in tmux with proper quoting to run in either host or container')
 parser.add_argument('-c',
                     '--container',
                     action='store_const',
@@ -26,16 +25,32 @@
                     dest='mode',
                     help='Run command on the host')
 parser.add_argument('-d', '--detach', action='store_true', help='Do not switch to created window')
+parser.add_argument('-s',
+                    '--split-horizontal',
+                    action='store_const',
+                    const=['split-window', '-v'],
+                    dest='cmd',
+                    help='Split command in a horizontal pane')
+parser.add_argument('-v',
+                    '--split-vertical',
+                    action='store_const',
+                    const=['split-window', '-H'],
+                    dest='cmd',
+                    help='Split command in a vertical pane')
 parser.add_argument('args', nargs='+', help='Command and any arguments to run')
 args = parser.parse_args()
 
 mode = args.mode if args.mode else 'container' if lib.utils.in_container() else 'host'
 
-tmx_cmd = ['tmux', 'new-window']
+tmx_cmd = ['tmux']
+if args.cmd:
+    tmx_cmd += args.cmd
+else:
+    tmx_cmd.append('new-window')
 if args.detach:
     tmx_cmd.append('-d')
 
-CMD_STR = ' '.join(map(str, args.args))
+CMD_STR = ' '.join(args.args)
 if mode == 'container':
     CMD_STR = f"dbxe -- fish -c '{CMD_STR}'"
 tmx_cmd.append(CMD_STR)