114 lines
3.2 KiB
Bash
114 lines
3.2 KiB
Bash
#! /bin/sh -e
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# update-grub helper script.
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# Copyright (C) 2006,2007,2008,2009 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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transform="@program_transform_name@"
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prefix=@prefix@
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exec_prefix=@exec_prefix@
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libdir=@libdir@
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grub_prefix=`echo /boot/grub | sed ${transform}`
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. ${libdir}/grub/grub-mkconfig_lib
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# Do this as early as possible, since other commands might depend on it.
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# (e.g. the `loadfont' command might need lvm or raid modules)
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for i in ${GRUB_PRELOAD_MODULES} ; do
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echo "insmod $i"
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done
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if [ "x${GRUB_DEFAULT}" = "x" ] ; then GRUB_DEFAULT=0 ; fi
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if [ "x${GRUB_TIMEOUT}" = "x" ] ; then GRUB_TIMEOUT=5 ; fi
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if [ "x${GRUB_GFXMODE}" = "x" ] ; then GRUB_GFXMODE=640x480 ; fi
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cat << EOF
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set default=${GRUB_DEFAULT}
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set timeout=${GRUB_TIMEOUT}
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EOF
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case ${GRUB_TERMINAL_INPUT}:${GRUB_TERMINAL_OUTPUT} in
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serial:* | *:serial)
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if ! test -e ${grub_prefix}/serial.mod ; then
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echo "Serial terminal not available on this platform." >&2 ; exit 1
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fi
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if [ "x${GRUB_SERIAL_COMMAND}" = "x" ] ; then
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grub_warn "Requested serial terminal but GRUB_SERIAL_COMMAND is unspecified. Default parameters will be used."
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GRUB_SERIAL_COMMAND=serial
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fi
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echo "${GRUB_SERIAL_COMMAND}"
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;;
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esac
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case x${GRUB_TERMINAL_INPUT} in
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x)
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# Just use the native terminal
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;;
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x*)
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cat << EOF
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if terminal_input ${GRUB_TERMINAL_INPUT} ; then true ; else
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# For backward compatibility with versions of terminal.mod that don't
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# understand terminal_input
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terminal ${GRUB_TERMINAL_INPUT}
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fi
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EOF
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;;
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esac
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case x${GRUB_TERMINAL_OUTPUT} in
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xgfxterm)
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# Make the font accessible
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prepare_grub_to_access_device `${grub_probe} --target=device ${GRUB_FONT_PATH}`
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# Pick a video backend
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video_backend=
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for i in vbe ; do
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if test -e ${grub_prefix}/$i.mod ; then
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video_backend=$i
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break
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fi
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done
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if ! [ "${video_backend}" ] ; then
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echo "No suitable backend could be found for gfxterm." >&2 ; exit 1
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fi
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cat << EOF
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if loadfont `make_system_path_relative_to_its_root ${GRUB_FONT_PATH}` ; then
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set gfxmode=${GRUB_GFXMODE}
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insmod gfxterm
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insmod ${video_backend}
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if terminal_output gfxterm ; then true ; else
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# For backward compatibility with versions of terminal.mod that don't
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# understand terminal_output
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terminal gfxterm
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fi
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fi
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EOF
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;;
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x)
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# Just use the native terminal
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;;
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x*)
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cat << EOF
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if terminal_output ${GRUB_TERMINAL_OUTPUT} ; then true ; else
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# For backward compatibility with versions of terminal.mod that don't
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# understand terminal_output
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terminal ${GRUB_TERMINAL_OUTPUT}
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fi
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EOF
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;;
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esac
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