grub/grub-2.12-openmamba_boot_choices.patch

--- grub-2.12/util/grub.d/10_linux.in.orig	2023-12-23 20:04:08.760546100 +0100
+++ grub-2.12/util/grub.d/10_linux.in	2023-12-23 20:09:01.621915577 +0100
@@ -295,14 +295,33 @@
     # TRANSLATORS: %s is replaced with an OS name
     echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
     is_top_level=false
+  else
+    linux_entry "${OS}" "${version}" default \
+    "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
   fi
 
-  linux_entry "${OS}" "${version}" advanced \
-              "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
+  linux_entry "${OS} (with debug messages)" "${version}" debug \
+              "${GRUB_CMDLINE_LINUX} debug"
+
   if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
     linux_entry "${OS}" "${version}" recovery \
                 "${GRUB_CMDLINE_LINUX_RECOVERY} ${GRUB_CMDLINE_LINUX}"
   fi
+
+  initrd=
+  for i in "initramfs-${version}-failsafe.img.gz" "initramfs-${alt_version}-failsafe.img.gz" \
+           "initramfs-${version}-failsafe.img" "initramfs-${alt_version}-failsafe.img" \
+           "initramfs-${version}-failsafe.cpio.gz" "initramfs-${alt_version}-failsafe.cpio.gz"; do
+    if test -e "${dirname}/${i}" ; then
+      initrd="$i"
+      break
+    fi
+  done
+  if test -n "${initrd}" ; then
+    gettext_printf "Found initrd image: %s\n" "${dirname}/${initrd}" >&2
+    linux_entry "${OS} (failsafe)" "${version}" advanced \
+      "rddebug splash selinux=0 ${GRUB_CMDLINE_LINUX_DEFAULT}"
+  fi
 done
 
 # If at least one kernel was found, then we need to