macOS: Allow opening executables without a file extension with kitty as well

Fixes #5160

docs/changelog.rst

@@ -50,6 +50,9 @@ Detailed list of changes
 - macOS: When pasting text and the clipboard has a filesystem path, paste the
   full path instead of the text, which is sometimes just the file name (:pull:`5142`)
 
+- macOS: Allow opening executables without a file extension with kitty as well
+  (:iss:`5160`)
+
 - Themes kitten: Add a tab to show user defined custom color themes separately
   (:pull:`5150`)
 

docs/open_actions.rst

@@ -144,33 +144,7 @@ You can customize these actions by creating a :file:`launch-actions.conf` file
 in the :ref:`kitty config directory <confloc>`, just like the
 :file:`open-actions.conf` file above. For example:
 
-.. code:: conf
-
-    # Open script files based on their shebangs
-    protocol file
-    ext sh,command,tool
-    action launch --hold --type=os-window kitty +shebang $FILE_PATH {SHELL}
-
-    # Open shell specific script files
-    protocol file
-    ext fish,bash,zsh
-    action launch --hold --type=os-window kitty +shebang $FILE_PATH __ext__
-
-    # Open directories
-    protocol file
-    mime inode/directory
-    action launch --type=os-window --cwd $FILE_PATH
-
-    # Open text files without fragments in the editor
-    protocol file
-    mime text/*
-    action launch --type=os-window $EDITOR $FILE_PATH
-
-    # Open image files with icat
-    protocol file
-    mime image/*
-    action launch --type=os-window kitty +kitten icat --hold $FILE_PATH
-
-    # Open ssh URLs with ssh command
-    protocol ssh
-    action launch --type=os-window ssh $URL
+.. literalinclude:: ../kitty/open_actions.py
+   :language: conf
+   :start-at: # Open script files
+   :end-before: '''.splitlines()))

kitty/guess_mime_type.py

@@ -2,6 +2,7 @@
 # License: GPLv3 Copyright: 2020, Kovid Goyal <kovid at kovidgoyal.net>
 
 import os
+import stat
 from contextlib import suppress
 from typing import Optional
 
@@ -47,7 +48,15 @@ def initialize_mime_database() -> None:
 
 
 def guess_type(path: str, allow_filesystem_access: bool = False) -> Optional[str]:
-    if allow_filesystem_access and is_folder(path):
+    is_dir = is_exe = False
+
+    if allow_filesystem_access:
+        with suppress(OSError):
+            st = os.stat(path)
+            is_dir = bool(stat.S_ISDIR(st.st_mode))
+            is_exe = bool(not is_dir and st.st_mode & (stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH) and os.access(path, os.X_OK))
+
+    if is_dir:
         return 'inode/directory'
     from mimetypes import guess_type as stdlib_guess_type
     initialize_mime_database()
@@ -61,6 +70,9 @@ def guess_type(path: str, allow_filesystem_access: bool = False) -> Optional[str
         mt = f'text/{mt.split("/", 1)[-1]}'
     if not mt and is_rc_file(path):
         mt = 'text/plain'
-    if not mt and is_folder(path):
-        mt = 'inode/directory'
+    if not mt:
+        if is_dir:
+            mt = 'inode/directory'  # type: ignore
+        elif is_exe:
+            mt = 'application/executable'
     return mt

kitty/open_actions.py

@@ -234,6 +234,11 @@ protocol file
 mime inode/directory
 action launch --type=os-window --cwd $FILE_PATH
 
+# Open executable file
+protocol file
+mime application/executable,application/vnd.microsoft.portable-executable
+action launch --hold --type=os-window $FILE_PATH
+
 # Open text files without fragments in the editor
 protocol file
 mime text/*