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    Annotation of /trunk/bootstrap/scripts/bootstrap2.sh

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    Revision 263 - (hide annotations) (download) (as text)
    Tue Oct 4 21:01:27 2005 UTC (18 years, 7 months ago) by niro
    File MIME type: application/x-sh
    File size: 5538 byte(s) 
    new version of bootstrap-magellan
    1 niro 263 #!/bin/bash
    2     # bootstrap2.sh
    3    
    4     TOOLCHAIN=""
    5     BASESYSTEM=""
    6     PROFILE=""
    7     MROOT=""
    8     ABORT_AFTER_STAGE1=false
    9     MY_MAGEDIR=""
    10     MY_PKGDIR=""
    11    
    12     die()
    13     {
    14     echo "ERROR: $@"
    15     trap_exit
    16     exit 1
    17     }
    18    
    19     read_magerc()
    20     {
    21     local var="$1"
    22     local magerc="$2"
    23     local value
    24    
    25     # local all possible vars of a magerc file
    26     # to prevent bad issues
    27     local PKGDIR
    28     local BUILDDIR
    29     local INSTALLDB
    30     local MAGEDIR
    31     local MLIBDIR
    32     local VIRTUALDB_DEFAULTS
    33     local VIRTUALDB_FILE
    34     local SOURCEDIR
    35     local BINDIR
    36     local SMAGESCRIPTSDIR
    37     local MROOT
    38     local PKGSUFFIX
    39     local VERBOSE
    40     local MAGEDEBUG
    41     local ARCH
    42     local MAGE_UNINSTALL_TIMEOUT
    43     local CHOST
    44     local CFLAGS
    45     local CXXFLAGS
    46     local SMAGE_USE_CCACHE
    47     local SMAGE_USE_DISTCC
    48     local MAKEOPTS
    49     local DISTCC_HOSTS
    50     local DISTCC_DIR
    51     local DISTCC_VERBOSE
    52     local DISTCC_LOG
    53     local MIRRORS
    54     local RSYNC
    55     local SMAGE2RSYNC
    56    
    57     # sanity checks
    58     [ -f ${magerc} ] && source ${magerc} || \
    59     die "get_value_from_magefile: ${magerc} not found."
    60     [ -z "${var}" ] && die "get_value_from_magefile: \$var not given."
    61    
    62     source ${magerc}
    63     eval value=\$$(echo ${var})
    64     echo "${value}"
    65     }
    66    
    67     add_initrc()
    68     {
    69     local var="$1"
    70    
    71     # sanity checks
    72     [ -z "${MROOT}" ] && die "\$MROOT not given."
    73     echo "${var}" >> ${MROOT}/.installrc || die "add_initrc() adding \$var"
    74     }
    75    
    76     enter_chroot()
    77     {
    78     mount -t proc proc ${MROOT}/proc || die "mount proc"
    79     mount -o bind /dev ${MROOT}/dev || die "mount dev"
    80    
    81     chroot ${MROOT} /bin/bash -i /.installrc || die "chr00ting"
    82    
    83     umount ${MROOT}/dev ${MROOT}/proc || die "mount proc/dev"
    84    
    85     [ -f ${MROOT}/.installrc ] && rm ${MROOT}/.installrc
    86     }
    87    
    88     is_loc_mounted()
    89     {
    90     local filesys
    91     local i
    92     filesys=$1
    93    
    94     i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)"
    95     [[ ${i} != ${filesys} ]] && return 1
    96    
    97     return 0
    98     }
    99    
    100     trap_exit()
    101     {
    102     is_loc_mounted "${MROOT}/dev" && umount ${MROOT}/dev
    103     is_loc_mounted "${MROOT}/proc" && umount ${MROOT}/proc
    104     is_loc_mounted "${MY_MAGEDIR}" && umount ${MY_MAGEDIR}
    105     is_loc_mounted "${MY_PKGDIR}" && umount ${MY_PKGDIR}
    106     echo "bootstrap aborted"
    107     exit 1
    108     }
    109    
    110     # set some proper traps
    111     trap "trap_exit" SIGINT SIGQUIT
    112    
    113     # very basic getops
    114     for i in $*
    115     do
    116     case $1 in
    117     --toolchain|-t) shift; TOOLCHAIN="$1" ;;
    118     --basesystem|-b) shift; BASESYSTEM="$1" ;;
    119     --profile|-p) shift; PROFILE="$1" ;;
    120     --root|-r) shift; MROOT="$1" ;;
    121     --stage1|-s1) ABORT_AFTER_STAGE1=true ;;
    122     --magerc|-m) shift; MAGERC="$1" ;;
    123     esac
    124     shift
    125     done
    126    
    127     # sanity checks; abort if not given
    128     [ -z "${MROOT}" ] && die "\$MROOT not given."
    129     [ -z "${MAGERC}" ] && die "\$MAGERC not given."
    130     [ -z "${PROFILE}" ] && die "\$PROFILE not given."
    131    
    132     # they may be empty, they are included in the profile
    133     [ -z "${TOOLCHAIN}" ] && echo "\$TOOLCHAIN not given, using toolchain from profile."
    134     [[ ${ABORT_AFTER_STAGE1} = false ]] && [ -z "${BASESYSTEM}" ] \
    135     && echo "\$BASESYSTEM not given, using basesystem from profile."
    136    
    137     # check needed global commands, dirs and files
    138     [ ! -d /usr/mage ] && die "/usr/mage does not exists"
    139     [ ! -x /sbin/mage ] && die "'/sbin/mage' not found. Please install '>= app-mage/mage-0.4' first."
    140     [ ! -x /bin/mount ] && die "'/bin/mount' not found. Please install '>= sys-apps/util-linux' first."
    141     [ ! -f ${MAGERC} ] && die "Please setup your mage.rc first."
    142     [ ! -f /etc/resolv.conf ] && die "/etc/resolv.conf missing. Please setup your networking first."
    143    
    144     # install fake-root if not exist
    145     [ ! -d ${MROOT} ] && { install -d ${MROOT} || die "create fakedir"; }
    146    
    147     # create a fake dirs and mount them to / of the host system
    148     MY_MAGEDIR="$(read_magerc MAGEDIR ${MAGERC})"
    149     MY_PKGDIR="$(read_magerc PKGDIR ${MAGERC})"
    150    
    151     install -d ${MROOT}/${MY_MAGEDIR} || die "create magedir"
    152     install -d ${MROOT}/${MY_PKGDIR} || die "create pkgdir"
    153    
    154     mount -o bind ${MROOT}/${MY_MAGEDIR} ${MY_MAGEDIR} || die "mount magedir"
    155     mount -o bind ${MROOT}/${MY_PKGDIR} ${MY_PKGDIR} || die "mount pkgdir"
    156    
    157     # link to the right profile
    158     ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile || die "link profile"
    159    
    160     # update mage tree
    161     mage update || die "update mage-tree"
    162    
    163     # now get the toolchain and the basesystem layout file
    164     [ -z "${TOOLCHAIN}" ] && TOOLCHAIN="toolchain.defaults"
    165     [ -z "${BASESYSTEM}" ] && BASESYSTEM="basesystem.defaults"
    166     # read them
    167     TOOLCHAIN="$(< /etc/mage-profile/${TOOLCHAIN})"
    168     BASESYSTEM="$(< /etc/mage-profile/${BASESYSTEM})"
    169    
    170     # install toolchain
    171     CONFIG_PROTECT="-*" MROOT="${MROOT}" mage install ${TOOLCHAIN} || die "toolchain install"
    172    
    173     # umount dirs, they are not needed anymore
    174     umount ${MY_MAGEDIR} ${MY_PKGDIR} || die "umount mage/pkgdir"
    175    
    176     # copy some needed files to the fake-root
    177     install -m 0644 ${MAGERC} ${MROOT}/etc/mage.rc || die "install mage.rc"
    178     install -m 0644 /etc/resolv.conf ${MROOT}/etc/resolv.conf || die "install resolv.conf"
    179    
    180     # now create an initrc for the installation of the basesystem
    181     :> ${MROOT}/.installrc
    182     add_initrc "export HOME=/root"
    183     add_initrc "export PATH=/bin:/usr/bin:/sbin:/usr/sbin"
    184     add_initrc "export BASESYSTEM=${BASESYSTEM}"
    185     add_initrc "export PROFILE=${PROFILE}"
    186     add_initrc "export CONFIG_PROTECT=-*"
    187     add_initrc "export MY_MAGEDIR=${MY_MAGEDIR}"
    188    
    189     # add proxies if defined
    190     [[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
    191     [[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
    192     [[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"
    193     [[ -n ${RSYNC_PROXY} ]] && add_initrc "export RSYNC_PROXY=${RSYNC_PROXY}"
    194    
    195     # install comands
    196     add_initrc "ln -snf ${MY_MAGEDIR}/profiles/${PROFILE} /etc/mage-profile"
    197     add_initrc "mage install ${BASESYSTEM}"
    198     add_initrc "mage clean"
    199    
    200     # chroot the toolchain
    201     enter_chroot
    202    
    203     echo "System bootstrap to '${MROOT}' finished."
    204