updated scripts: better warn messages, added/updated dotfiles

run_once_60-configure-system.sh.tmpl

@@ -4,9 +4,12 @@
 
 set -euo pipefail
 
+warn() { echo ">>> [configure] WARNING: $*" >&2; }
+
 SYS="{{ .system | default "desktop" }}"
 DISTRO_ID="{{ .chezmoi.osRelease.id | default "" }}"
 SRC="{{ .chezmoi.sourceDir }}"
+OS_PROBER="{{ .os_prober | default false }}"
 echo ">>> [configure] distro=$DISTRO_ID, system=$SYS, source=$SRC"
 
 services=(
@@ -39,6 +42,19 @@ case "$DISTRO_ID" in
             else
                 echo ">>> [configure] /boot/grub/themes missing — skipping grub theme install"
             fi
+
+            if [ "$OS_PROBER" = "true" ]; then
+                echo ">>> [configure] enabling GRUB os-prober"
+                sudo sed -i -E 's/^#?GRUB_DISABLE_OS_PROBER=.*/GRUB_DISABLE_OS_PROBER=false/' /etc/default/grub
+                if ! grep -q '^GRUB_DISABLE_OS_PROBER=' /etc/default/grub; then
+                    echo 'GRUB_DISABLE_OS_PROBER=false' | sudo tee -a /etc/default/grub >/dev/null
+                fi
+                echo ">>> [configure] grub.cfg regenerating with os-prober entries"
+                sudo grub-mkconfig -o /boot/grub/grub.cfg \
+                    || warn "grub-mkconfig failed (os-prober entries may not be applied)"
+            else
+                echo ">>> [configure] GRUB os-prober disabled (per user choice)"
+            fi
         fi
         ;;