Minimize chances of output leak

src/entrypoint.sh

@@ -2,7 +2,7 @@
 
 set -euo pipefail
 
-main() {
+init() {
     local user_id group_id
     user_id="${RUNTIME_USER_ID:?}"
     group_id="${RUNTIME_GROUP_ID:?}"
@@ -10,9 +10,20 @@ main() {
     /usr/local/bin/adapt-user "abc" "${user_id}" "${group_id}" "/data/"
 
     runuser -u abc -- mkdir -p "/data/project"
-    cd /data/project
+}
+
+main() {
+    # Suppress any output
+    init >/dev/null 2>&1 || {
+        printf "Error: Initialization failed. Ensure RUNTIME_USER_ID and RUNTIME_GROUP_ID are set.\n" >&2
+        return 1
+    }
+
+    cd /data/project || {
+        printf "Error: Could not change to /data/project directory. Ensure it exists.\n" >&2
+        return 1
+    }
 
-    #stty sane
     exec runuser -u abc -- "$@"
 }