Have *_with_cwd work with the ssh kitten to open new windows auto-logged into the remote server at the current remote working directory

docs/kittens/ssh.rst

@@ -27,6 +27,13 @@ rc files:
 
 So you can now type just ``s hostname`` to connect.
 
+If you define a mapping in :file:`kitty.conf` such as::
+
+    map f1 new_window_with_cwd
+
+Then, pressing :kbd:`F1` will open a new window automatically logged
+into the same server using the ssh kitten, at the same directory.
+
 The ssh kitten can be configured using the :file:`~/.config/kitty/ssh.conf`
 file where you can specify environment variables to set on the remote server
 and files to copy from your local machine to the remote server. Let's see a

docs/shell-integration.rst

@@ -68,7 +68,10 @@ no-title
     setting functionality instead.
 
 no-cwd
-    Turn off reporting
+    Turn off reporting the current working directory. This is used to allow
+    :ref:`action-new_window_with_cwd` and similar to open windows logged
+    into remote machines using the :doc:`ssh kitten <kitten/ssh>`
+    automatically with the same working directory as the current window.
 
 no-prompt-mark
     Turn off marking of prompts. This disables jumping to prompt, browsing

kittens/ssh/main.py

@@ -42,6 +42,27 @@ from .copy import CopyInstruction
 from .options.types import Options as SSHOptions
 from .options.utils import DELETE_ENV_VAR
 
+
+def is_kitten_cmdline(q: List[str]) -> bool:
+    if len(q) < 4:
+        return False
+    if os.path.basename(q[0]).lower() != 'kitty':
+        return False
+    return q[1:3] == ['+kitten', 'ssh'] or q[1:4] == ['+', 'kitten', 'ssh']
+
+
+def set_cwd_in_cmdline(cwd: str, argv: List[str]) -> None:
+    for i, arg in enumerate(tuple(argv)):
+        if arg.startswith('--kitten=cwd'):
+            argv[i] = f'--kitten=cwd={cwd}'
+            return
+        elif i > 0 and argv[i-1] == '--kitten' and (arg.startswith('cwd=') or arg.startswith('cwd ')):
+            argv[i] = cwd
+            return
+    idx = argv.index('ssh')
+    argv.insert(idx + 1, f'--kitten=cwd={cwd}')
+
+
 # See https://www.gnu.org/software/bash/manual/html_node/Double-Quotes.html
 quote_pat = re.compile('([\\`"\n])')
 

kitty/child.py

@@ -201,7 +201,7 @@ class Child:
         self.argv = list(argv)
         if cwd_from is not None:
             try:
-                cwd = cwd_from.cwd_of_child or cwd
+                cwd = cwd_from.modify_argv_for_launch_with_cwd(self.argv) or cwd
             except Exception as err:
                 log_error(f'Failed to read cwd of {cwd_from} with error: {err}')
         else:

kitty/utils.py

@@ -936,3 +936,12 @@ def cleanup_ssh_control_masters() -> None:
     for x in files:
         with suppress(OSError):
             os.remove(x)
+
+
+def path_from_osc7_url(url: str) -> str:
+    if url.startswith('kitty-shell-cwd://'):
+        return '/' + url.split('/', 3)[-1]
+    if url.startswith('file://'):
+        from urllib.parse import urlparse
+        return urlparse(url).path
+    return ''

kitty/window.py

@@ -20,7 +20,7 @@ from typing import (
 from .child import ProcessDesc
 from .cli_stub import CLIOptions
 from .config import build_ansi_color_table
-from .constants import appname, is_macos, wakeup
+from .constants import appname, is_macos, shell_path, wakeup
 from .fast_data_types import (
     BGIMAGE_PROGRAM, BLIT_PROGRAM, CELL_BG_PROGRAM, CELL_FG_PROGRAM,
     CELL_PROGRAM, CELL_SPECIAL_PROGRAM, CURSOR_BEAM, CURSOR_BLOCK,
@@ -46,8 +46,8 @@ from .types import MouseEvent, WindowGeometry, ac
 from .typing import BossType, ChildType, EdgeLiteral, TabType, TypedDict
 from .utils import (
     get_primary_selection, kitty_ansi_sanitizer_pat, load_shaders, log_error,
-    open_cmd, open_url, parse_color_set, resolve_custom_file, sanitize_title,
-    set_primary_selection
+    open_cmd, open_url, parse_color_set, path_from_osc7_url,
+    resolve_custom_file, sanitize_title, set_primary_selection
 )
 
 MatchPatternType = Union[Pattern[str], Tuple[Pattern[str], Optional[Pattern[str]]]]
@@ -323,6 +323,7 @@ def cmd_output(screen: Screen, which: CommandOutput = CommandOutput.last_run, as
 
 def process_remote_print(msg: str) -> str:
     from base64 import standard_b64decode
+
     from .cli import green
     text = standard_b64decode(msg).decode('utf-8', 'replace')
     return text.replace('\x1b', green(r'\e')).replace('\a', green(r'\a')).replace('\0', green(r'\0'))
@@ -1138,6 +1139,23 @@ class Window:
     def cwd_of_child(self) -> Optional[str]:
         return self.child.foreground_cwd or self.child.current_cwd
 
+    def modify_argv_for_launch_with_cwd(self, argv: List[str]) -> str:
+        if argv[0] != shell_path or not self.screen.last_reported_cwd:
+            return self.cwd_of_child or ''
+        from kittens.ssh.main import is_kitten_cmdline, set_cwd_in_cmdline
+        ssh_kitten_cmdline: List[str] = []
+        for p in self.child.foreground_processes:
+            q = list(p['cmdline'] or ())
+            if is_kitten_cmdline(q):
+                ssh_kitten_cmdline = q
+                break
+        if ssh_kitten_cmdline:
+            cwd = path_from_osc7_url(self.screen.last_reported_cwd)
+            if cwd:
+                set_cwd_in_cmdline(path_from_osc7_url(self.screen.last_reported_cwd), ssh_kitten_cmdline)
+                argv[:] = ssh_kitten_cmdline
+        return self.cwd_of_child or ''
+
     def pipe_data(self, text: str, has_wrap_markers: bool = False) -> PipeData:
         text = text or ''
         if has_wrap_markers: