Add git_command_timeout_s for allowing >20 seconds for git operations (#1250)

* Add a new config value for git operation timeouts

* Apply suggestions from code review

Co-authored-by: Frédéric Collonval <[email protected]>

---------

Co-authored-by: Frédéric Collonval <[email protected]>

Author: mdietz94

README.md

@@ -114,7 +114,7 @@ Once installed, extension behavior can be modified via the following settings wh
 - `JupyterLabGit.credential_helper`: Git credential helper to set to cache the credentials.
   The default value is `cache --timeout=3600` to cache the credentials for an hour. If you want to cache them for 10 hours, set `cache --timeout=36000`.
 - `JupyterLabGit.excluded_paths`: Set path patterns to exclude from this extension. You can use wildcard and interrogation mark for respectively everything or any single character in the pattern.
-
+- `JupyterLabGit.git_command_timeout_s`: Set the timeout for git operations. Defaults to 20 seconds.
 <details>
 <summary><b>How to set server settings?</b></summary>
 

jupyterlab_git/__init__.py

@@ -1,6 +1,6 @@
 """Initialize the backend server extension
 """
-from traitlets import List, Dict, Unicode, default
+from traitlets import CFloat, List, Dict, Unicode, default
 from traitlets.config import Configurable
 
 try:
@@ -46,10 +46,19 @@ class JupyterLabGit(Configurable):
         config=True,
     )
 
+    git_command_timeout = CFloat(
+        help="The timeout for executing git operations. By default it is set to 20 seconds.",
+        config=True,
+    )
+
     @default("credential_helper")
     def _credential_helper_default(self):
         return "cache --timeout=3600"
 
+    @default("git_command_timeout")
+    def _git_command_timeout_default(self):
+        return 20.0
+
 
 def _jupyter_server_extension_points():
     return [{"module": "jupyterlab_git"}]