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

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

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    Revision 1157 - (hide annotations) (download) (as text)
    Tue Sep 14 20:07:38 2010 UTC (13 years, 7 months ago) by niro
    File MIME type: application/x-sh
    File size: 3448 byte(s) 
    -use the right grub_prefix properly
    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 niro 1062 ${chroot} grub --batch --no-floppy --no-config-file --device-map=/boot/grub/device.map </dev/null
    17 niro 773 }
    18    
    19     install_grub()
    20     {
    21     local chroot
    22 niro 1051 local grub_disk
    23 niro 773
    24 niro 1051 if [[ -z ${PARTITION_DISK_BOOT} ]]
    25     then
    26     grub_disk="${PARTITION_DISK_ROOT}"
    27     else
    28     grub_disk="${PARTITION_DISK_BOOT}"
    29     fi
    30    
    31 niro 773 [[ ! -z ${INSTALL_ROOT} ]] && chroot=chrooted
    32    
    33     # update grub
    34 niro 1062 ${chroot} grub --batch --no-floppy << EOF
    35 niro 1051 root $(convert_device ${grub_disk})
    36     setup $(convert_device ${grub_disk} | sed "s:,[0-9]::")
    37 niro 773 quit
    38     EOF
    39    
    40     return 0
    41     }
    42    
    43     convert_device()
    44     {
    45     local device="$1"
    46     local root_part=
    47    
    48     # extract device type (block) and major number for root drive
    49     local major_minor=$(ls -Ll ${device} | awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}')
    50    
    51     # find the matching BIOS device
    52     for bios_drive in $(grep -v '^#' ${INSTALL_ROOT}/boot/grub/device.map | awk '{print $2}')
    53     do
    54     bios_major_minor=$(ls -Ll ${bios_drive} 2>/dev/null | awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}')
    55    
    56     if [[ ${major_minor} = ${bios_major_minor} ]]
    57     then
    58     # we found it
    59     root_drive=$(grep ${bios_drive} ${INSTALL_ROOT}/boot/grub/device.map | awk '{print $1}')
    60     root_part=$(ls -Ll ${device} | awk '{print $6}')
    61     root_part=$(( ${root_part} % 16 - 1 ))
    62     break
    63     fi
    64     done
    65    
    66     drive=$(echo ${root_drive} | sed "s:)$:,${root_part}):")
    67     echo ${drive}
    68     }
    69    
    70     add_grub_conf()
    71     {
    72     echo "$@" >> ${INSTALL_ROOT}/boot/grub/grub.conf
    73     }
    74    
    75     create_grub_conf()
    76     {
    77     local splashimage
    78 niro 1051 local grub_disk
    79 niro 1157 local grub_prefix
    80 niro 773
    81     if [[ -z ${PARTITION_DISK_BOOT} ]]
    82     then
    83 niro 1051 grub_disk="${PARTITION_DISK_ROOT}"
    84 niro 1157 # if no extra partition for grub was defined, we need the bootprefix set to /boot
    85     grub_prefix="/boot"
    86 niro 1051 else
    87     grub_disk="${PARTITION_DISK_BOOT}"
    88 niro 1157 # got a extra boot partition, no bootprefix needed
    89     grub_prefix=""
    90 niro 773 fi
    91    
    92     # create an empty one
    93     :> ${INSTALL_ROOT}/boot/grub/grub.conf
    94    
    95     add_grub_conf "default 0"
    96     add_grub_conf "timeout 10"
    97     add_grub_conf ""
    98    
    99     # our splashimage
    100     splashimage="magellan.xpm.gz"
    101    
    102     # forcefully use gfxsplash
    103 niro 1034 [[ ! -f ${INSTALL_ROOT}/boot/${splashimage} ]] && cp ${INSTALLER_DIR}/data/magellan-black2.xpm.gz ${INSTALL_ROOT}/boot/${splashimage}
    104 niro 773
    105     if [[ -f ${INSTALL_ROOT}/boot/${splashimage} ]]
    106     then
    107     add_grub_conf "# splash image"
    108 niro 1157 add_grub_conf "splashimage $(convert_device ${grub_disk})${grub_prefix}/${splashimage}"
    109 niro 773 add_grub_conf "foreground FFFFFF"
    110     add_grub_conf "background 253861"
    111    
    112     add_grub_conf ""
    113     else
    114     add_grub_conf "# some pretty colors"
    115     add_grub_conf "color cyan/blue white/blue"
    116     add_grub_conf ""
    117     fi
    118    
    119     add_grub_conf "title Magellan-Linux $(< ${INSTALL_ROOT}/etc/mageversion) ($(readlink ${INSTALL_ROOT}/boot/vmlinuz | sed s:kernel-::))"
    120 niro 1051 add_grub_conf "root $(convert_device ${grub_disk})"
    121 niro 1157 add_grub_conf "kernel ${grub_prefix}/$(readlink ${INSTALL_ROOT}/boot/vmlinuz) root=UUID=$(get_uuid ${PARTITION_DISK_ROOT})"
    122     add_grub_conf "initrd ${grub_prefix}/$(readlink ${INSTALL_ROOT}/boot/initrd)"
    123 niro 773
    124     # add an empty line as spacer between other boot entries
    125     add_grub_conf ""
    126     }
    127    
    128     install_bootloader()
    129     {
    130 niro 1070 create_device_map >> ${INSTALLER_LOG} 2>&1
    131 niro 773 echo 25
    132 niro 1070 create_grub_conf >> ${INSTALLER_LOG} 2>&1
    133 niro 773 echo 50
    134 niro 1070 install_grub >> ${INSTALLER_LOG} 2>&1
    135 niro 773 echo 100
    136     }
    137 niro 1073
    138     install_bootloader

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