Check if auth-minimum-user-id is already set to zero on rootless (#709)

Closes #653 The patch does some minimal grep/sed parsing of `/etc/rstudio/rserver.conf`, which may not be super robust, but good and simple enough for our use case --------- Co-authored-by: eitsupi <[email protected]>
rocker-org · Oct 29, 2023 · 8e7b4cf · 8e7b4cf
1 parent 0821d1b
commit 8e7b4cf
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/scripts/init_userconf.sh b/scripts/init_userconf.sh
@@ -122,8 +122,10 @@ elif [ -z "$PASSWORD" ]; then
 fi
 
 if [ "${RUNROOTLESS}" = "true" ]; then
-    check_user_id=$(grep -F "auth-minimum-user-id" /etc/rstudio/rserver.conf)
-    if [[ -n $check_user_id ]]; then
+    check_user_id="$(grep -F auth-minimum-user-id /etc/rstudio/rserver.conf | sed -e 's/^.*= *//')"
+    if [[ "$check_user_id" = "0" ]]; then
+        echo "root user already authorized in /etc/rstudio/rserver.conf: $check_user_id, not changed"
+    elif [[ -n $check_user_id ]]; then
         echo "minimum authorised user already exists in /etc/rstudio/rserver.conf: $check_user_id"
         echo "RUNROOTLESS=true mode requires setting minimum authorised user to 0. Exiting"
         exit 1