X-Git-Url: https://git.grml.org/?p=grml-rescueboot.git;a=blobdiff_plain;f=42_grml;h=7b96e6b87965eb41301671a2d5f247389303ea29;hp=b951465ed41133c30c1c185c623471e606bce989;hb=HEAD;hpb=35e968ccac91c57e1f0353804621e048adbab5ee

diff --git a/42_grml b/42_grml
index b951465..7b96e6b 100755
--- a/42_grml
+++ b/42_grml
@@ -74,10 +74,17 @@ get_dependencies() {
     break
   done
   echo $dependencies
-
 }
 
-
+get_iso_identifier() {
+  local iso="$1"
+  local id=
+  if isoinfo --version >/dev/null 2>&1 ; then
+    id=$(isoinfo -d -i "${iso}" | grep '^Volume id:' | sed -e 's/^[^:]*: *//')
+    [ -n "${id}" ] || id=$(isoinfo -d -i "${iso}" | grep '^Application id:' | sed -e 's/^[^:]*: *//')
+  fi
+  echo "${id}"
+}
 
 iso_list=""
 for file in "${ISO_LOCATION}"/*.iso ; do
@@ -86,6 +93,13 @@ for file in "${ISO_LOCATION}"/*.iso ; do
      fi
 done
 
+indent='        '
+submenu_indent=
+if [ -n "${GRUB_SUBMENU}" ] && [ -n "${iso_list}" ] ; then
+  echo "submenu \"${GRUB_SUBMENU}\" \$menuentry_id_option \"grml-rescueboot\" {"
+  submenu_indent="${indent}"
+fi
+
 for grmliso in $iso_list ; do
   rel_dirname="$(dirname $(make_system_path_relative_to_its_root $grmliso))"
   grml="$(basename $grmliso)"
@@ -110,24 +124,39 @@ for grmliso in $iso_list ; do
     ;;
   esac
 
-  echo "Found Grml ISO image: $grmliso" >&2
-  title="Grml Rescue System ($grml)"
-  grub_prep=$(prepare_grub_to_access_device "$device" | sed -e "s/^/        /")
+  echo "Found grml-rescueboot ISO image: ${grmliso}" >&2
+  iso_id=$(get_iso_identifier "${grmliso}")
+  if [ -n "${iso_id}" ] ; then
+    title="${iso_id} (${grml})"
+  else
+    title="${grml}"
+  fi
+  grub_prep=$(prepare_grub_to_access_device "${device}" | sed -e "s/^/${indent}/")
+  grub_iso_path="${rel_dirname%/}/${grml}"
 
-  cat << EOF
+  sed -e "s/^/${submenu_indent}/" << EOF
 menuentry "${title}" {
 ${grub_prep}
-        iso_path="${rel_dirname%/}/${grml}"
+        iso_path="${grub_iso_path}"
         export iso_path
         kernelopts=" $CUSTOM_BOOTOPTIONS $additional_param "
         export kernelopts
         # support booting recent GRUB versions on UEFI systems
+        # (see bugs.debian.org/959425)
         rmmod tpm
-        loopback loop "${rel_dirname%/}/$grml"
+        loopback loop "\$iso_path"
         set root=(loop)
         configfile /boot/grub/loopback.cfg
+        unset root
+        loopback -d loop
+        unset iso_path
+        unset kernelopts
 }
 EOF
 done
 
+if [ -n "${GRUB_SUBMENU}" ] && [ -n "${iso_list}" ] ; then
+  echo "} # end submenu \"${GRUB_SUBMENU}\""
+fi
+
 ## END OF FILE #################################################################