From 72cfc12a8dba3d25dd14b306f7c727444a8e06ce Mon Sep 17 00:00:00 2001
From: Simon Li <orpheus+devel@gmail.com>
Date: Sun, 22 Oct 2023 19:20:16 +0100
Subject: [PATCH] rstudio: log-level info to stderr

---
 repo2docker/buildpacks/r.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/repo2docker/buildpacks/r.py b/repo2docker/buildpacks/r.py
index 742638840..ddc18ed37 100644
--- a/repo2docker/buildpacks/r.py
+++ b/repo2docker/buildpacks/r.py
@@ -339,6 +339,15 @@ def get_build_scripts(self):
                 echo "r-cran-repos=${{EXPANDED_CRAN_MIRROR_URL}}" > /etc/rstudio/rsession.conf
                 """,
             ),
+            (
+                "root",
+                # Configure log-level and send to stderr
+                # Set log-level=debug to investigate problems
+                # https://docs.posit.co/ide/server-pro/server_management/logging.html
+                rf"""
+                printf '[*]\nlog-level=info\nlogger-type=stderr\n' > /etc/rstudio/logging.conf
+                """,
+            ),
             (
                 "${NB_USER}",
                 # Install a pinned version of devtools, IRKernel and shiny