edit-in-kitty: Fix running edit-in-kitty with elevated privileges to edit a restricted file not working

docs/changelog.rst

@@ -57,6 +57,8 @@ Detailed list of changes
 - kitty +open: Ask for permission before executing script files that are not marked as executable. This prevents accidental execution
   of script files via MIME type association from programs that unconditionally "open" attachments/downloaded files.
 
+- edit-in-kitty: Fix running edit-in-kitty with elevated privileges to edit a restricted file not working (:disc:`6245`)
+
 0.28.1 [2023-04-21]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

kitty/launch.py

@@ -715,7 +715,7 @@ class EditCmd:
         self.is_local_file = False
         with suppress(OSError):
             st = os.stat(self.file_localpath)
-            self.is_local_file = (st.st_dev, st.st_ino) == self.file_inode
+            self.is_local_file = (st.st_dev, st.st_ino) == self.file_inode and os.access(self.file_localpath, os.W_OK | os.R_OK)
         if not self.is_local_file:
             import tempfile
             self.tdir = tempfile.mkdtemp()