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    Annotation of /tags/installer-0_1_2/include/prepare_bootloader.sh

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    Revision 773 - (hide annotations) (download) (as text)
    Wed Sep 24 10:54:00 2008 UTC (15 years, 7 months ago) by niro
    Original Path: trunk/installer/include/prepare_bootloader.sh
    File MIME type: application/x-sh
    File size: 3254 byte(s) 
    -moved helper-scripts into include/ directory
    1 niro 773 # $Header: /home/cvsd/magellan-cvs/magellan-src/installer/include/prepare_bootloader.sh,v 1.1 2008-09-24 10:54:00 niro Exp $
    2    
    3     source hwdetection.sh
    4    
    5     : ${INSTALL_ROOT="/mnt/magellan"}
    6    
    7     create_device_map()
    8     {
    9     local chroot
    10    
    11     [[ ! -z ${INSTALL_ROOT} ]] && chroot=chrooted
    12    
    13     # create device.map
    14     ${chroot} grub --batch --no-floppy --no-config-file --device-map=/boot/grub/device.map </dev/null &>/dev/null
    15     }
    16    
    17     install_grub()
    18     {
    19     local chroot
    20    
    21     [[ ! -z ${INSTALL_ROOT} ]] && chroot=chrooted
    22    
    23     # update grub
    24     ${chroot} grub --batch --no-floppy << EOF 1> /dev/null 2> /dev/null
    25     root $(convert_device ${PARTITION_DISK_BOOT})
    26     setup $(convert_device ${PARTITION_DISK_BOOT} | sed "s:,[0-9]::")
    27     quit
    28     EOF
    29    
    30     return 0
    31     }
    32    
    33     convert_device()
    34     {
    35     local device="$1"
    36     local root_part=
    37    
    38     # extract device type (block) and major number for root drive
    39     local major_minor=$(ls -Ll ${device} | awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}')
    40    
    41     # find the matching BIOS device
    42     for bios_drive in $(grep -v '^#' ${INSTALL_ROOT}/boot/grub/device.map | awk '{print $2}')
    43     do
    44     bios_major_minor=$(ls -Ll ${bios_drive} 2>/dev/null | awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}')
    45    
    46     if [[ ${major_minor} = ${bios_major_minor} ]]
    47     then
    48     # we found it
    49     root_drive=$(grep ${bios_drive} ${INSTALL_ROOT}/boot/grub/device.map | awk '{print $1}')
    50     root_part=$(ls -Ll ${device} | awk '{print $6}')
    51     root_part=$(( ${root_part} % 16 - 1 ))
    52     break
    53     fi
    54     done
    55    
    56     drive=$(echo ${root_drive} | sed "s:)$:,${root_part}):")
    57     echo ${drive}
    58     }
    59    
    60     add_grub_conf()
    61     {
    62     echo "$@" >> ${INSTALL_ROOT}/boot/grub/grub.conf
    63     }
    64    
    65     create_grub_conf()
    66     {
    67     local splashimage
    68    
    69     if [[ -z ${PARTITION_DISK_BOOT} ]]
    70     then
    71     export PARTITION_DISK_BOOT="${PARTITION_DISK_ROOT}"
    72     fi
    73    
    74     # create an empty one
    75     :> ${INSTALL_ROOT}/boot/grub/grub.conf
    76    
    77     add_grub_conf "default 0"
    78     add_grub_conf "timeout 10"
    79     add_grub_conf ""
    80    
    81     # our splashimage
    82     splashimage="magellan.xpm.gz"
    83    
    84     # forcefully use gfxsplash
    85     [[ ! -f ${INSTALL_ROOT}/boot/${splashimage} ]] && cp magellan-black2.xpm.gz ${INSTALL_ROOT}/boot/${splashimage}
    86    
    87     if [[ -f ${INSTALL_ROOT}/boot/${splashimage} ]]
    88     then
    89     add_grub_conf "# splash image"
    90     # old logo
    91     #add_grub_conf "splashimage /boot/magellan.xpm.gz"
    92     #add_grub_conf "foreground FFFFFF"
    93     #add_grub_conf "background 1B456B"
    94    
    95     # the new one
    96     add_grub_conf "splashimage $(convert_device ${PARTITION_DISK_BOOT})/boot/${splashimage}"
    97     add_grub_conf "foreground FFFFFF"
    98     add_grub_conf "background 253861"
    99    
    100     add_grub_conf ""
    101     else
    102     add_grub_conf "# some pretty colors"
    103     add_grub_conf "color cyan/blue white/blue"
    104     add_grub_conf ""
    105     fi
    106    
    107     add_grub_conf "title Magellan-Linux $(< ${INSTALL_ROOT}/etc/mageversion) ($(readlink ${INSTALL_ROOT}/boot/vmlinuz | sed s:kernel-::))"
    108     add_grub_conf "root $(convert_device ${PARTITION_DISK_BOOT})"
    109     add_grub_conf "kernel /boot/$(readlink ${INSTALL_ROOT}/boot/vmlinuz) root=${PARTITION_DISK_ROOT}"
    110     add_grub_conf "initrd /boot/$(readlink ${INSTALL_ROOT}/boot/initrd)"
    111    
    112     # add an empty line as spacer between other boot entries
    113     add_grub_conf ""
    114     }
    115    
    116     install_bootloader()
    117     {
    118     create_device_map >&2
    119     echo 25
    120     create_grub_conf >&2
    121     echo 50
    122     create_initrd >&2
    123     echo 75
    124     install_grub >&2
    125     echo 100
    126     }
    127    
    128     install_bootloader

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