Update entrypoint.sh (#78)

jupyterlab3/entrypoint.sh

@@ -93,6 +93,9 @@ done
 export NOTEBOOKLIBPATH=$(find /opt/conda/lib/ -maxdepth 3 -type d -name "notebook")
 export JUPYTERSERVERLIBPATH=$(find /opt/conda/lib -maxdepth 3 -type d -name "jupyter_server")
 
+# Fix "fatal: not a git repository" error on startup
+export GIT_DISCOVERY_ACROSS_FILESYSTEM=1
+
 read -r -d '' JUPYTER_PATCH << EOM
     # Fix for Tornado's inability to handle proxy requests
     from tornado.routing import _RuleList
@@ -164,4 +167,4 @@ elif [[ $VERSION > '3' ]] && [[ $VERSION < '4' ]]; then
     jupyter lab --ip=0.0.0.0 --port=3100 --allow-root --ContentsManager.allow_hidden=True --ServerApp.token='' --ServerApp.base_url=$PREVIEW_URL --no-browser --debug --ServerApp.disable_check_xsrf=True --ResourceUseDisplay.mem_limit=$MEMORY --ResourceUseDisplay.mem_warning_threshold=0.2
 else
     echo "Error! Jupyterlab version not supported."
-fi
+fi