[PATCH] Add grub-mkrescue --exclude option

[Christian Franke <Christian.Franke@t-online.de>]

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This adds an option to exclude specific modules from the rescue image.

Christian

2007-11-20  Christian Franke  <franke@computer.org>

	* util/i386/pc/grub-mkrescue.in: Add option --exclude.




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--- grub2.orig/util/i386/pc/grub-mkrescue.in	2007-07-22 01:32:32.000000000 +0200
+++ grub2/util/i386/pc/grub-mkrescue.in	2007-11-19 23:26:53.625000000 +0100
@@ -42,6 +42,7 @@
   -h, --help              print this message and exit
   -v, --version           print the version information and exit
   --modules=MODULES       pre-load specified modules MODULES
+  --exclude=MODULES       don't pre-load specified modules MODULES
   --pkglibdir=DIR         use images from directory DIR instead of ${pkglibdir}
   --grub-mkimage=FILE     use FILE as grub-mkimage
   --image-type=TYPE       select floppy or cdrom (default)
@@ -67,6 +68,8 @@
 	exit 0 ;;
     --modules=*)
 	modules=`echo "$option" | sed 's/--modules=//'` ;;
+    --exclude=*)
+	exclude=`echo "$option" | sed 's/--exclude=//'` ;;
     --pkglibdir=*)
 	input_dir=`echo "$option" | sed 's/--pkglibdir=//'` ;;
     --grub-mkimage=*)
@@ -103,6 +106,18 @@
   modules=`cd ${input_dir}/ && ls *.mod`
 fi
 
+if [ "x${exclude}" != "x" ] ; then
+  all_modules="${modules}"
+  modules=
+  for m in ${all_modules} ; do
+    inc=t
+    for e in ${exclude} ; do
+      [ "$e" == "$m" ] && { inc=f; break; }
+    done
+    [ $inc == t ] && modules="$modules $m"
+  done
+fi
+
 if [ "x${image_type}" = "xfloppy" ] ; then
   floppy_image=${output_image}
 else