Merge pull request #2356 from alexbelgium/codex/define-home-in-global-and-config-templates

Ensure HOME exists before writing user shell files and guard HOME usage

.templates/00-global_var.sh

@@ -301,11 +301,14 @@ done
 update_scripts_with_block
 
 # --- MINIMAL CHANGE: also inject into /etc/bash.bashrc (for interactive bash shells)
-mkdir -p /etc "$HOME"
+mkdir -p /etc
 touch "/etc/bash.bashrc"
-touch "$HOME/bash.bashrc"
 inject_block_into_file "/etc/bash.bashrc"
-inject_block_into_file "$HOME/bash.bashrc"
+if [[ -n "${HOME:-}" ]]; then
+    mkdir -p "$HOME"
+    touch "$HOME/bash.bashrc"
+    inject_block_into_file "$HOME/bash.bashrc"
+fi
 
 ################
 # Set timezone #

.templates/01-config_yaml.sh

@@ -205,7 +205,10 @@ while IFS= read -r line; do
         if [ -d /var/run/s6/container_environment ]; then printf "%s" "${VALUE}" > /var/run/s6/container_environment/"${KEYS}"; fi
 
         # Persist for interactive shells
-        append_unique_line "$HOME/.bashrc" "export $line"
+        if [[ -n "${HOME:-}" ]]; then
+            mkdir -p "$HOME"
+            append_unique_line "$HOME/.bashrc" "export $line"
+        fi
         append_unique_line "/etc/bash.bashrc" "export $line"
 
         # Show in log