Update grub configuration.

[grml-live.git] / scripts / create-grub-dir.sh

diff --git a/scripts/create-grub-dir.sh b/scripts/create-grub-dir.sh
new file mode 100755 (executable)
index 0000000..0f3691c
--- /dev/null
+++ b/scripts/create-grub-dir.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+# Filename:      create-grub-dir.sh
+# Purpose:       generate core.img and according files for templates/boot/grub/
+# Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
+# Bug-Reports:   see http://grml.org/bugs/
+# License:       This file is licensed under the GPL v2 or any later version.
+# Latest change: Thu Mar 11 14:25:15 CET 2010 [mika]
+################################################################################
+
+set -e
+
+if [ -z "$1" ] ; then
+  echo "Usage: $0 <grub_package.deb>">&2
+  echo "Usage example: $0 grub-pc_1.98-1_i386.deb">&2
+  exit 1
+fi
+
+if [ -d grub ] ; then
+  echo "Directory 'grub' exists in current working directory already, will not continue.">&2
+  exit 1
+fi
+
+GRUB="$1"
+oldpwd=$(pwd)
+
+if ! [ -f "$GRUB" ] ; then
+  wget http://ftp.de.debian.org/debian/pool/main/g/grub2/"$GRUB"
+fi
+
+if ! [ -f "$GRUB" ] ; then
+  echo "Error reading $GRUB - exiting.">&2
+  exit 1
+fi
+
+GRUBDIR=$(mktemp -d)
+cd "$GRUBDIR"
+
+mkdir -p grub
+
+ar x "${oldpwd}"/"$GRUB"
+tar xzf data.tar.gz
+./usr/bin/grub-mkimage -d usr/lib/grub/i386-pc -o core.img biosdisk iso9660
+
+for a in usr/lib/grub/i386-pc/{*.mod,efiemu??.o,command.lst,moddep.lst,fs.lst,handler.lst,parttool.lst}; do \
+  [[ -e $a ]] && cp $a grub/
+done
+
+mv core.img grub/
+
+cd "$oldpwd"
+mv "${GRUBDIR}"/grub .
+rm -rf "$GRUBDIR"
+
+echo "Generated new grub boot directory 'grub'."
+
+## END OF FILE #################################################################