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    • /[magellan-source]/tags/installer-0_1_2/include/prepare_bootloader.sh

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

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    Revision 1035 - (hide annotations) (download) (as text)
    Sun May 30 18:37:54 2010 UTC (13 years, 11 months ago) by niro
    Original Path: trunk/installer/include/prepare_bootloader.sh
    File MIME type: application/x-sh
    File size: 3076 byte(s) 
    -code cleanup
    1 niro 1025 #!/bin/bash
    2     # $Id$
    3 niro 773
    4 niro 1034 source /etc/installer.conf
    5     source ${INSTALLER_DIR}/include/hwdetection.sh
    6 niro 773
    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 niro 1034 [[ ! -f ${INSTALL_ROOT}/boot/${splashimage} ]] && cp ${INSTALLER_DIR}/data/magellan-black2.xpm.gz ${INSTALL_ROOT}/boot/${splashimage}
    88 niro 773
    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 ${PARTITION_DISK_BOOT})"
    105 niro 1025 add_grub_conf "kernel /boot/$(readlink ${INSTALL_ROOT}/boot/vmlinuz) root=$(get_uuid ${PARTITION_DISK_ROOT})"
    106 niro 773 add_grub_conf "initrd /boot/$(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 niro 1028 create_device_map &> /dev/null
    115 niro 773 echo 25
    116 niro 1028 create_grub_conf &> /dev/null
    117 niro 773 echo 50
    118 niro 1028 install_grub &> /dev/null
    119 niro 773 echo 100
    120     }
    121    
    122     install_bootloader

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