80 lines
2.2 KiB
Bash
80 lines
2.2 KiB
Bash
#! /bin/sh -e
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# update-grub helper script.
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# Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
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#
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# GRUB is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# GRUB is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
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OS=GNU
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else
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OS="${GRUB_DISTRIBUTOR} GNU/Hurd"
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fi
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at_least_one=false
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all_of_them=true
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# FIXME: add l4 here?
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kernel=
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for i in /boot/gnumach.gz /boot/gnumach ; do
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if test -e $i ; then
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basename=`basename $i`
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dirname=`dirname $i`
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rel_dirname=`make_system_path_relative_to_its_root $dirname`
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echo "Found GNU Mach: $i" >&2
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kernel=${rel_dirname}/${basename}
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at_least_one=true
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fi
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done
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# FIXME: This works for ext2. For other filesystems we might need special-casing
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case "${GRUB_FS}" in
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*fs) hurd_fs="${GRUB_FS}" ;;
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*) hurd_fs="${GRUB_FS}fs" ;;
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esac
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for i in /hurd/${hurd_fs}.static /hurd/exec ; do
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if test -e "$i" ; then
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echo "Found Hurd module: $i" >&2
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at_least_one=true
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else
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all_of_them=false
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fi
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done
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if ${at_least_one} ; then : ; else
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# no hurd here, aborting silently
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exit 0
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fi
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if ${all_of_them} && test -e /lib/ld.so.1 ; then : ; else
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echo "Some Hurd stuff found, but not enough to boot." >&2
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exit 1
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fi
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prepare_grub_to_access_device ${GRUB_DEVICE}
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cat << EOF
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menuentry "${OS}" {
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multiboot ${kernel} root=device:${GRUB_DEVICE}
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module /hurd/${hurd_fs}.static --readonly \\
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--multiboot-command-line='\${kernel-command-line}' \\
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--host-priv-port='\${host-port}' \\
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--device-master-port='\${device-port}' \\
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--exec-server-task='\${exec-task}' -T typed '\${root}' \\
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'\$(task-create)' '\$(task-resume)'
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module /lib/ld.so.1 /hurd/exec '\$(exec-task=task-create)'
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}
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EOF
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