feat: skip system files on restore when not root

Warn and skip system/ entries during restore if EUID != 0.
Dry-run shows what would be restored (with "needs root" note)
so user can decide whether to re-run as root.

1 files changed, 21 insertions, 1 deletions

diff --git a/dot-backup.sh b/dot-backup.sh
index 5130012..0e22d70 100755
--- a/dot-backup.sh
+++ b/dot-backup.sh
@@ -214,11 +214,27 @@ do_restore() {
 
     echo -e "${YELLOW}Restoring dotfiles from: ${BLUE}$DEFAULT_OUTPUT_DIR${NC}\n"
 
+    local system_skipped=0
+
     for i in "${DOTFILES[@]}"; do
         if beginswith "/" "$i"; then
-            # system file
+            # system file — requires root
             local backup_path="${DEFAULT_OUTPUT_DIR}/system/${i#/}"
             local dest="$i"
+            if [[ "$EUID" -ne 0 ]]; then
+                if [[ -e "$backup_path" ]]; then
+                    if [[ "$DRY_RUN" == true ]]; then
+                        echo -e "${YELLOW}$dest${NC}"
+                        echo -e "\t ${YELLOW}[dry-run] would restore: $backup_path → $dest (needs root)${NC}"
+                    else
+                        echo -e "${YELLOW}SKIP (needs root): $dest${NC}"
+                        (( system_skipped++ )) || true
+                    fi
+                else
+                    log_verbose "\t ${YELLOW}SKIP (not in backup): $i${NC}"
+                fi
+                continue
+            fi
         else
             local backup_path="${DEFAULT_OUTPUT_DIR}/home/$i"
             local dest="${HOME}/$i"
@@ -253,6 +269,10 @@ do_restore() {
         fi
     done
 
+    if [[ "$system_skipped" -gt 0 ]]; then
+        echo -e "\n${YELLOW}Warning: $system_skipped system file(s) skipped — re-run as root to restore them.${NC}"
+    fi
+
     if [[ "$DRY_RUN" == true ]]; then
         echo -e "\n${YELLOW}Dry run complete. Nothing restored.${NC}"
     else