Magellan Linux

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    • /[magellan-source]/trunk/installer/include/prepare_bootloader.sh

    Contents of /trunk/installer/include/prepare_bootloader.sh

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    Revision 1035 - (show annotations) (download) (as text)
    Sun May 30 18:37:54 2010 UTC (13 years, 11 months ago) by niro
    File MIME type: application/x-sh
    File size: 3076 byte(s) 
    -code cleanup
    1 #!/bin/bash
    2 # $Id$
    3
    4 source /etc/installer.conf
    5 source ${INSTALLER_DIR}/include/hwdetection.sh
    6
    7 : ${INSTALL_ROOT="/mnt/magellan"}
    8
    9 create_device_map()
    10 {
    11 local chroot
    12
    13 [[ ! -z ${INSTALL_ROOT} ]] && chroot=chrooted
    14
    15 # create device.map
    16 ${chroot} grub --batch --no-floppy --no-config-file --device-map=/boot/grub/device.map </dev/null &>/dev/null
    17 }
    18
    19 install_grub()
    20 {
    21 local chroot
    22
    23 [[ ! -z ${INSTALL_ROOT} ]] && chroot=chrooted
    24
    25 # update grub
    26 ${chroot} grub --batch --no-floppy << EOF 1> /dev/null 2> /dev/null
    27 root $(convert_device ${PARTITION_DISK_BOOT})
    28 setup $(convert_device ${PARTITION_DISK_BOOT} | sed "s:,[0-9]::")
    29 quit
    30 EOF
    31
    32 return 0
    33 }
    34
    35 convert_device()
    36 {
    37 local device="$1"
    38 local root_part=
    39
    40 # extract device type (block) and major number for root drive
    41 local major_minor=$(ls -Ll ${device} | awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}')
    42
    43 # find the matching BIOS device
    44 for bios_drive in $(grep -v '^#' ${INSTALL_ROOT}/boot/grub/device.map | awk '{print $2}')
    45 do
    46 bios_major_minor=$(ls -Ll ${bios_drive} 2>/dev/null | awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}')
    47
    48 if [[ ${major_minor} = ${bios_major_minor} ]]
    49 then
    50 # we found it
    51 root_drive=$(grep ${bios_drive} ${INSTALL_ROOT}/boot/grub/device.map | awk '{print $1}')
    52 root_part=$(ls -Ll ${device} | awk '{print $6}')
    53 root_part=$(( ${root_part} % 16 - 1 ))
    54 break
    55 fi
    56 done
    57
    58 drive=$(echo ${root_drive} | sed "s:)$:,${root_part}):")
    59 echo ${drive}
    60 }
    61
    62 add_grub_conf()
    63 {
    64 echo "$@" >> ${INSTALL_ROOT}/boot/grub/grub.conf
    65 }
    66
    67 create_grub_conf()
    68 {
    69 local splashimage
    70
    71 if [[ -z ${PARTITION_DISK_BOOT} ]]
    72 then
    73 export PARTITION_DISK_BOOT="${PARTITION_DISK_ROOT}"
    74 fi
    75
    76 # create an empty one
    77 :> ${INSTALL_ROOT}/boot/grub/grub.conf
    78
    79 add_grub_conf "default 0"
    80 add_grub_conf "timeout 10"
    81 add_grub_conf ""
    82
    83 # our splashimage
    84 splashimage="magellan.xpm.gz"
    85
    86 # forcefully use gfxsplash
    87 [[ ! -f ${INSTALL_ROOT}/boot/${splashimage} ]] && cp ${INSTALLER_DIR}/data/magellan-black2.xpm.gz ${INSTALL_ROOT}/boot/${splashimage}
    88
    89 if [[ -f ${INSTALL_ROOT}/boot/${splashimage} ]]
    90 then
    91 add_grub_conf "# splash image"
    92 add_grub_conf "splashimage $(convert_device ${PARTITION_DISK_BOOT})/boot/${splashimage}"
    93 add_grub_conf "foreground FFFFFF"
    94 add_grub_conf "background 253861"
    95
    96 add_grub_conf ""
    97 else
    98 add_grub_conf "# some pretty colors"
    99 add_grub_conf "color cyan/blue white/blue"
    100 add_grub_conf ""
    101 fi
    102
    103 add_grub_conf "title Magellan-Linux $(< ${INSTALL_ROOT}/etc/mageversion) ($(readlink ${INSTALL_ROOT}/boot/vmlinuz | sed s:kernel-::))"
    104 add_grub_conf "root $(convert_device ${PARTITION_DISK_BOOT})"
    105 add_grub_conf "kernel /boot/$(readlink ${INSTALL_ROOT}/boot/vmlinuz) root=$(get_uuid ${PARTITION_DISK_ROOT})"
    106 add_grub_conf "initrd /boot/$(readlink ${INSTALL_ROOT}/boot/initrd)"
    107
    108 # add an empty line as spacer between other boot entries
    109 add_grub_conf ""
    110 }
    111
    112 install_bootloader()
    113 {
    114 create_device_map &> /dev/null
    115 echo 25
    116 create_grub_conf &> /dev/null
    117 echo 50
    118 install_grub &> /dev/null
    119 echo 100
    120 }
    121
    122 install_bootloader

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