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 1028 - (show annotations) (download) (as text)
    Sun May 30 17:50:47 2010 UTC (13 years, 11 months ago) by niro
    File MIME type: application/x-sh
    File size: 3172 byte(s) 
    -pipe everything to /dev/null
    1 #!/bin/bash
    2 # $Id$
    3
    4 source include/hwdetection.sh
    5
    6 : ${INSTALL_ROOT="/mnt/magellan"}
    7
    8 create_device_map()
    9 {
    10 local chroot
    11
    12 [[ ! -z ${INSTALL_ROOT} ]] && chroot=chrooted
    13
    14 # create device.map
    15 ${chroot} grub --batch --no-floppy --no-config-file --device-map=/boot/grub/device.map </dev/null &>/dev/null
    16 }
    17
    18 install_grub()
    19 {
    20 local chroot
    21
    22 [[ ! -z ${INSTALL_ROOT} ]] && chroot=chrooted
    23
    24 # update grub
    25 ${chroot} grub --batch --no-floppy << EOF 1> /dev/null 2> /dev/null
    26 root $(convert_device ${PARTITION_DISK_BOOT})
    27 setup $(convert_device ${PARTITION_DISK_BOOT} | sed "s:,[0-9]::")
    28 quit
    29 EOF
    30
    31 return 0
    32 }
    33
    34 convert_device()
    35 {
    36 local device="$1"
    37 local root_part=
    38
    39 # extract device type (block) and major number for root drive
    40 local major_minor=$(ls -Ll ${device} | awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}')
    41
    42 # find the matching BIOS device
    43 for bios_drive in $(grep -v '^#' ${INSTALL_ROOT}/boot/grub/device.map | awk '{print $2}')
    44 do
    45 bios_major_minor=$(ls -Ll ${bios_drive} 2>/dev/null | awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}')
    46
    47 if [[ ${major_minor} = ${bios_major_minor} ]]
    48 then
    49 # we found it
    50 root_drive=$(grep ${bios_drive} ${INSTALL_ROOT}/boot/grub/device.map | awk '{print $1}')
    51 root_part=$(ls -Ll ${device} | awk '{print $6}')
    52 root_part=$(( ${root_part} % 16 - 1 ))
    53 break
    54 fi
    55 done
    56
    57 drive=$(echo ${root_drive} | sed "s:)$:,${root_part}):")
    58 echo ${drive}
    59 }
    60
    61 add_grub_conf()
    62 {
    63 echo "$@" >> ${INSTALL_ROOT}/boot/grub/grub.conf
    64 }
    65
    66 create_grub_conf()
    67 {
    68 local splashimage
    69
    70 if [[ -z ${PARTITION_DISK_BOOT} ]]
    71 then
    72 export PARTITION_DISK_BOOT="${PARTITION_DISK_ROOT}"
    73 fi
    74
    75 # create an empty one
    76 :> ${INSTALL_ROOT}/boot/grub/grub.conf
    77
    78 add_grub_conf "default 0"
    79 add_grub_conf "timeout 10"
    80 add_grub_conf ""
    81
    82 # our splashimage
    83 splashimage="magellan.xpm.gz"
    84
    85 # forcefully use gfxsplash
    86 [[ ! -f ${INSTALL_ROOT}/boot/${splashimage} ]] && cp data/magellan-black2.xpm.gz ${INSTALL_ROOT}/boot/${splashimage}
    87
    88 if [[ -f ${INSTALL_ROOT}/boot/${splashimage} ]]
    89 then
    90 add_grub_conf "# splash image"
    91 # old logo
    92 #add_grub_conf "splashimage /boot/magellan.xpm.gz"
    93 #add_grub_conf "foreground FFFFFF"
    94 #add_grub_conf "background 1B456B"
    95
    96 # the new one
    97 add_grub_conf "splashimage $(convert_device ${PARTITION_DISK_BOOT})/boot/${splashimage}"
    98 add_grub_conf "foreground FFFFFF"
    99 add_grub_conf "background 253861"
    100
    101 add_grub_conf ""
    102 else
    103 add_grub_conf "# some pretty colors"
    104 add_grub_conf "color cyan/blue white/blue"
    105 add_grub_conf ""
    106 fi
    107
    108 add_grub_conf "title Magellan-Linux $(< ${INSTALL_ROOT}/etc/mageversion) ($(readlink ${INSTALL_ROOT}/boot/vmlinuz | sed s:kernel-::))"
    109 add_grub_conf "root $(convert_device ${PARTITION_DISK_BOOT})"
    110 add_grub_conf "kernel /boot/$(readlink ${INSTALL_ROOT}/boot/vmlinuz) root=$(get_uuid ${PARTITION_DISK_ROOT})"
    111 add_grub_conf "initrd /boot/$(readlink ${INSTALL_ROOT}/boot/initrd)"
    112
    113 # add an empty line as spacer between other boot entries
    114 add_grub_conf ""
    115 }
    116
    117 install_bootloader()
    118 {
    119 create_device_map &> /dev/null
    120 echo 25
    121 create_grub_conf &> /dev/null
    122 echo 50
    123 install_grub &> /dev/null
    124 echo 100
    125 }
    126
    127 install_bootloader

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