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

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    Revision 1051 - (hide annotations) (download) (as text)
    Mon May 31 17:15:47 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: 3228 byte(s) 
    -fixed PARTITION_DISK_BOOT handling if only ROOT is defined not BOOT
    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 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     ${chroot} grub --batch --no-floppy << EOF 1> /dev/null 2> /dev/null
    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 773
    80     if [[ -z ${PARTITION_DISK_BOOT} ]]
    81     then
    82 niro 1051 grub_disk="${PARTITION_DISK_ROOT}"
    83     else
    84     grub_disk="${PARTITION_DISK_BOOT}"
    85 niro 773 fi
    86    
    87     # create an empty one
    88     :> ${INSTALL_ROOT}/boot/grub/grub.conf
    89    
    90     add_grub_conf "default 0"
    91     add_grub_conf "timeout 10"
    92     add_grub_conf ""
    93    
    94     # our splashimage
    95     splashimage="magellan.xpm.gz"
    96    
    97     # forcefully use gfxsplash
    98 niro 1034 [[ ! -f ${INSTALL_ROOT}/boot/${splashimage} ]] && cp ${INSTALLER_DIR}/data/magellan-black2.xpm.gz ${INSTALL_ROOT}/boot/${splashimage}
    99 niro 773
    100     if [[ -f ${INSTALL_ROOT}/boot/${splashimage} ]]
    101     then
    102     add_grub_conf "# splash image"
    103 niro 1051 add_grub_conf "splashimage $(convert_device ${grub_disk})/boot/${splashimage}"
    104 niro 773 add_grub_conf "foreground FFFFFF"
    105     add_grub_conf "background 253861"
    106    
    107     add_grub_conf ""
    108     else
    109     add_grub_conf "# some pretty colors"
    110     add_grub_conf "color cyan/blue white/blue"
    111     add_grub_conf ""
    112     fi
    113    
    114     add_grub_conf "title Magellan-Linux $(< ${INSTALL_ROOT}/etc/mageversion) ($(readlink ${INSTALL_ROOT}/boot/vmlinuz | sed s:kernel-::))"
    115 niro 1051 add_grub_conf "root $(convert_device ${grub_disk})"
    116 niro 1045 add_grub_conf "kernel /boot/$(readlink ${INSTALL_ROOT}/boot/vmlinuz) root=UUID=$(get_uuid ${PARTITION_DISK_ROOT})"
    117 niro 773 add_grub_conf "initrd /boot/$(readlink ${INSTALL_ROOT}/boot/initrd)"
    118    
    119     # add an empty line as spacer between other boot entries
    120     add_grub_conf ""
    121     }
    122    
    123     install_bootloader()
    124     {
    125 niro 1028 create_device_map &> /dev/null
    126 niro 773 echo 25
    127 niro 1028 create_grub_conf &> /dev/null
    128 niro 773 echo 50
    129 niro 1028 install_grub &> /dev/null
    130 niro 773 echo 100
    131     }
    132    
    133     install_bootloader

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