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    Diff of /trunk/mlivecdbuild/mlivecdbuild2.sh

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    revision 348 by niro, Sun Mar 5 02:18:28 2006 UTC revision 1531 by niro, Fri Nov 4 11:34:30 2011 UTC
    # Line 1  Line 1 
    1  #!/bin/bash  #!/bin/bash
    2    
    3  # some default settings - gets overidden with the profile config  # some default settings - gets overidden with the profile config
    4  CDPROFILE="$1"  CDPROFILE="$2"
    5  [[ -z ${CDPROFILE} ]] && CDPROFILE="default"  [[ -z ${CDPROFILE} ]] && CDPROFILE="default"
    6  LIVECDROOT="/mnt/MLIVECDBUILD/${CDPROFILE}"  LIVECDROOT="/mnt/MLIVECDBUILD/${CDPROFILE}"
    7  CDCHROOTDIR="${LIVECDROOT}/chroot"  CDCHROOTDIR="${LIVECDROOT}/chroot"
    # Line 19  CDID="mlcd-$(date +%F-%k%M)" Line 19  CDID="mlcd-$(date +%F-%k%M)"
    19  PROFILES_DIR="/usr/lib/mlivecdbuild/profiles"  PROFILES_DIR="/usr/lib/mlivecdbuild/profiles"
    20  GLOBAL_PROFILE="${PROFILES_DIR}/global"  GLOBAL_PROFILE="${PROFILES_DIR}/global"
    21    
    22    # get full path to isolinux.bin, may vary on multilib systems
    23    if [[ -f /usr/share/syslinux/isolinux.bin ]]
    24    then
    25     ISOLINUX_BIN=/usr/share/syslinux/isolinux.bin
    26    elif [[ -f /usr/lib64/mkinitrd/isolinux.bin ]]
    27    then
    28     ISOLINUX_BIN=/usr/lib64/mkinitrd/isolinux.bin
    29    else
    30     ISOLINUX_BIN=/usr/lib/mkinitrd/isolinux.bin
    31    fi
    32    
    33  die() { echo "ERROR: $@"; exit 1; }  die() { echo "ERROR: $@"; exit 1; }
    34    
    35  # get_profile $filename  # get_profile $filename
    # Line 46  bootstrap_system() Line 57  bootstrap_system()
    57   || die "bootstrapping toolchain"   || die "bootstrapping toolchain"
    58  }  }
    59    
    60    custom_services()
    61    {
    62     local cmd="$1"
    63     local services="$2"
    64     local systemdcmd
    65    
    66     case ${cmd} in
    67     add|del|default)
    68     # add given services from profile
    69     if [[ -n ${services} ]]
    70     then
    71     local i
    72     for i in ${services}
    73     do
    74     # systemd
    75     if [[ -x ${CDCHROOTDIR}/sbin/systemctl ]]
    76     then
    77     case ${cmd} in
    78     add) chroot ${CDCHROOTDIR} systemctl enable ${i} ;;
    79     del) chroot ${CDCHROOTDIR} systemctl disable ${i} ;;
    80     default)
    81     # convert targets
    82     case ${i} in
    83     2|3) service="multi-user.target" ;;
    84     5) service="graphical.target" ;;
    85     esac
    86     chroot ${CDCHROOTDIR} systemctl enable ${i} ;;
    87     esac
    88     fi
    89     # busybox and sysvinit
    90     if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    91     then
    92     MROOT="${CDCHROOTDIR}" rc-config ${cmd} ${i} || die "rc ${cmd} ${i}"
    93     fi
    94     done
    95     fi
    96     ;;
    97     *) die "custom_services: unkown command ${cmd}";;
    98     esac
    99    }
    100    
    101    add_initrc()
    102    {
    103     local var="$1"
    104    
    105     # sanity checks
    106     [[ -z ${CDCHROOTDIR} ]] && die "\$CDCHROOTDIR not given."
    107     echo "${var}" >> ${CDCHROOTDIR}/.installrc || die "add_initrc() adding \$var"
    108    }
    109    
    110    custom_packages()
    111    {
    112     local cmd="$1"
    113     local packages="$2"
    114    
    115     case ${cmd} in
    116     install|uninstall)
    117     if [[ -n ${packages} ]]
    118     then
    119     :> ${CDCHROOTDIR}/.installrc
    120    
    121     # respect proxies
    122     [[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
    123     [[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
    124     [[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"
    125    
    126     # do not auto-start any services!
    127     add_initrc "export MAGE_BOOTSTRAP=true"
    128     add_initrc 'die() { if [ $? -eq 1 ]; then echo "ERROR: $@"; exit 1; fi; }'
    129    
    130     local i
    131     for i in ${packages}
    132     do
    133     add_initrc "mage ${cmd} ${i} || die ${i}"
    134     done
    135     add_initrc "mage clean"
    136    
    137     # now run the .installrc script
    138     mount -t proc proc ${CDCHROOTDIR}/proc || die "mount proc"
    139     mount -t sysfs sysfs ${CDCHROOTDIR}/sys || die "mount sys"
    140     mount -o bind /dev ${CDCHROOTDIR}/dev || die "mount dev"
    141     chroot ${CDCHROOTDIR} /bin/bash -i /.installrc || die "chr00ting"
    142     umount ${CDCHROOTDIR}/dev || die "umount dev"
    143     umount ${CDCHROOTDIR}/proc || die "umount proc"
    144     umount ${CDCHROOTDIR}/sys || die "umount sys"
    145     [ -f ${CDCHROOTDIR}/.installrc ] && rm ${CDCHROOTDIR}/.installrc
    146     fi
    147     ;;
    148     *) die "custom_packages: unkown command ${cmd}";;
    149     esac
    150    }
    151    
    152    read_config()
    153    {
    154     local file="$1"
    155     local pkg
    156    
    157     ( cat ${file}; echo ) | while read pkg
    158     do
    159     case "${pkg}" in
    160     \#*|"") continue ;;
    161     esac
    162     echo "${pkg}"
    163     done
    164    }
    165    
    166  prepare_iso()  prepare_iso()
    167  {  {
    168   echo Preparing LiveCD ISO Image ...   echo Preparing LiveCD ISO Image ...
    169    
    170   # fixes some issues with xfree/xorg xkb   # fixes some issues with xfree/xorg xkb
    171   if [ -L "${CDCHROOTDIR}/etc/X11/xkb" -a -d "/usr/X11R6/lib/X11/xkb" ]   if [[ -L ${CDCHROOTDIR}/etc/X11/xkb ]] && [[ -d /usr/X11R6/lib/X11/xkb ]]
    172   then   then
    173   rm ${CDCHROOTDIR}/etc/X11/xkb || die   rm ${CDCHROOTDIR}/etc/X11/xkb || die
    174   mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 || die   mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 || die
    175   ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb || die   ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb || die
    176   fi   fi
    177    
    178   install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab || die   # only on sysvinit or busybox systems
    179     if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    180     then
    181     install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab || die
    182     fi
    183     if [[ -x ${CDCHROOTDIR}/bin/systemctl ]]
    184     then
    185     # check lock group on systemd systems
    186     if [[ -z $(chroot ${CDCHROOTDIR} getent group lock) ]]
    187     then
    188     echo "adding missing group 'lock'"
    189     chroot ${CDCHROOTDIR}  groupadd -g 54 lock
    190     fi
    191     # dbus plugdev group
    192     if [[ -z $(chroot ${CDCHROOTDIR} getent group plugdev) ]]
    193     then
    194     echo "adding missing group 'plugdev'"
    195     chroot ${CDCHROOTDIR}  groupadd -g 302 plugdev
    196     fi
    197     # dbus messagebus group
    198     if [[ -z $(chroot ${CDCHROOTDIR} getent group messagebus) ]]
    199     then
    200     echo "adding missing group 'messagebus'"
    201     chroot ${CDCHROOTDIR}  groupadd -g 300 messagebus
    202     fi
    203     # dbus messagebus user
    204     if [[ -z $(chroot ${CDCHROOTDIR} getent passwd messagebus) ]]
    205     then
    206     echo "adding missing user 'messagebus'"
    207     chroot ${CDCHROOTDIR}  useradd -u 300 -g messagebus -d /dev/null -s /bin/false messagebus
    208     fi
    209     fi
    210   install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die   install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die
    211   install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die   install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die
    212   install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die   install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die
    213     install -m 0644 $(get_profile net.eth0) ${CDCHROOTDIR}/etc/conf.d/net.eth0 || die
    214   echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die   echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die
    215    
    216   echo Setting up services ...   echo Setting up services ...
    217    
    218   # change mountfs with mountfslivecd   # install systemd default services
    219   MROOT="${CDCHROOTDIR}" rc-config del mountfs || die "rc del mountfs"   if [[ -x ${CDCHROOTDIR}/bin/systemctl ]]
    220   MROOT="${CDCHROOTDIR}" rc-config add mountfslivecd || die "rc add mountfslivecd"   then
    221     # install tmpfs /tmp and /var/tmp
    222     install -m 0644 $(get_profile tmp.mount) ${CDCHROOTDIR}/lib/systemd/system/ || die
    223     install -m 0644 $(get_profile var-tmp.mount) ${CDCHROOTDIR}/lib/systemd/system/ || die
    224     # enable them
    225     ln -snf ../tmp.mount ${CDCHROOTDIR}/lib/systemd/system/local-fs.target.wants/tmp.mount || die
    226     ln -snf ../var-tmp.mount ${CDCHROOTDIR}/lib/systemd/system/local-fs.target.wants/var-tmp.mount || die
    227    
    228     install -m 0644 $(get_profile getty) ${CDCHROOTDIR}/etc/conf.d/getty || die
    229    
    230     custom_services add getty@.service
    231     custom_services add remote-fs.target
    232     # disable readahead
    233     custom_services del systemd-readahead-replay.service
    234     custom_services del systemd-readahead-collect.service
    235     fi
    236    
    237   # add hardware detection  # # add hardware detection
    238   MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect"  # if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    239    # then
    240    # MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect"
    241    # fi
    242    
    243   # del checkfs   # del checkfs
    244   MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs"   if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    245     then
    246     MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs"
    247     fi
    248    
    249     # add custom packages
    250     [[ -n ${ADD_PACKAGES} ]] && custom_packages install "${ADD_PACKAGES}"
    251     [ -f $(get_profile add_packages) ] && custom_packages install "$(read_config $(get_profile add_packages))"
    252    
    253     # del custom packages
    254     [[ -n ${DEL_PACKAGES} ]] && custom_packages uninstall "${DEL_PACKAGES}"
    255     [ -f $(get_profile del_packages) ] && custom_packages uninstall "$(read_config $(get_profile del_packages))"
    256    
    257     # add given services from profile
    258     [[ -n ${ADD_SERVICES} ]] && custom_services add "${ADD_SERVICES}"
    259     [ -f $(get_profile add_services) ] && custom_services add "$(read_config $(get_profile add_services))"
    260    
    261     # del given services from profile
    262     [[ -n ${DEL_SERVICES} ]] && custom_services del "${DEL_SERVICES}"
    263     [ -f $(get_profile del_services) ] && custom_services del "$(read_config $(get_profile del_services))"
    264    
    265     # setup default runlevel
    266     [[ -n ${DEFAULT_RUNLEVEL} ]] && custom_services default "${DEFAULT_RUNLEVEL}"
    267    
    268     if [ -f $(get_profile prepare_custom) ]
    269     then
    270     echo Running custom user script ...
    271     source $(get_profile prepare_custom) || die "running custom user script"
    272     fi
    273    
    274   echo Cleaning unwanted files ...   echo Cleaning unwanted files ...
    275   :> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab"   # do this only if not a symlink!
    276     if [[ ! -L ${CDCHROOTDIR}/etc/mtab ]]
    277     then
    278     :> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab"
    279     fi
    280     [ -f ${CDCHROOTDIR}/root/.bash_history ] && rm ${CDCHROOTDIR}/root/.bash_history
    281  }  }
    282    
    283  generate_rootfs()  generate_rootfs()
    284  {  {
    285     local loopdev
    286     local size
    287    
    288     if [ -f ${LIVECDROOT}/loop/LiveOS/ext3fs.img ]
    289     then
    290     rm ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    291     fi
    292     if [ -f ${CDISOROOT}/LiveOS/squashfs.img ]
    293     then
    294     rm ${CDISOROOT}/LiveOS/squashfs.img
    295     fi
    296     if [ -f ${CDISOROOT}/livecdrootfs.sqsh ]
    297     then
    298     rm ${CDISOROOT}/livecdrootfs.sqsh
    299     fi
    300    
    301   echo Generating squashfs compressed rootfs loopfile ...   echo Generating squashfs compressed rootfs loopfile ...
    302   mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh #>/dev/null 2>&1   if [[ -x ${CDCHROOTDIR}/sbin/dracut ]]
    303     then
    304     install -d ${LIVECDROOT}/loop/{LiveOS,mnt} || die
    305    
    306     # get the actual size of the chroot
    307     size=$(du -s ${LIVECDROOT}/chroot | sed 's:^\(.*\)[[:space:]].*:\1:')
    308    
    309     # generate a ext3fs file for devicemapper
    310     dd if=/dev/zero of=${LIVECDROOT}/loop/LiveOS/ext3fs.img bs=1024 count=$(( ${size} + 10 )) || die
    311     # create a filesystem
    312     mkfs.ext3 -L "_${CDID}_EXT3" -m 1 -b 1024 -F ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    313     # set mount_counts and check_intervals to 0
    314     # set dir_index top, to speed up thing with hashed b-trees
    315     # allow acls too
    316     tune2fs -c0 -i0 -Odir_index -ouser_xattr,acl ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    317    
    318     # losetup the device
    319     loopdev=$(losetup -f)
    320     [[ -z ${loopdev} ]] && die "No unused loopdev found. Maybe you want 'modprobe loop'?"
    321    
    322     # mount the image
    323     losetup ${loopdev} ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    324     mount ${loopdev} ${LIVECDROOT}/loop/mnt || die
    325    
    326     # copy everything to the image file and preserve permissions
    327     ( cd ${CDCHROOTDIR} && tar cpf - . ) | ( cd ${LIVECDROOT}/loop/mnt && tar xvpf - )
    328    
    329     # now umount everything and create the squashfs image
    330     umount ${LIVECDROOT}/loop/mnt || die
    331     losetup -d ${loopdev} || die
    332     # remove mount to not ending up in the squashfs image
    333     if [[ -d ${LIVECDROOT}/loop/mnt ]]
    334     then
    335     rm -r ${LIVECDROOT}/loop/mnt || die
    336     fi
    337     mksquashfs ${LIVECDROOT}/loop ${LIVECDROOT}/livecdrootfs.sqsh || die
    338    
    339     # final cleanup
    340     if [[ -d ${LIVECDROOT}/loop ]]
    341     then
    342     rm -r ${LIVECDROOT}/loop || die
    343     fi
    344     else
    345     mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh || die
    346     fi
    347    
    348   echo Moving rootfs loopfile to isoroot ...   echo Moving rootfs loopfile to isoroot ...
    349   install -d ${CDISOROOT}   install -d ${CDISOROOT}
    350   mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}   if [[ -x ${CDCHROOTDIR}/sbin/dracut ]]
    351     then
    352     install -d ${CDISOROOT}/LiveOS
    353     mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}/LiveOS/squashfs.img
    354     else
    355     mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}
    356     fi
    357  }  }
    358    
    359  install_bootloader()  install_bootloader()
    # Line 96  install_bootloader() Line 362  install_bootloader()
    362    
    363   # iso linux binary   # iso linux binary
    364   install -d ${CDISOROOT}/isolinux   install -d ${CDISOROOT}/isolinux
    365   install /usr/lib/mkinitrd/isolinux.bin ${CDISOROOT}/isolinux || die   install ${ISOLINUX_BIN} ${CDISOROOT}/isolinux || die
    366    
    367   # kernel   # kernel
    368   local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))"   local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))"
    # Line 106  install_bootloader() Line 372  install_bootloader()
    372   install -m 0644 $(get_profile boot.lss) ${CDISOROOT}/isolinux || die   install -m 0644 $(get_profile boot.lss) ${CDISOROOT}/isolinux || die
    373   install -m 0644 $(get_profile boot.msg) ${CDISOROOT}/isolinux || die   install -m 0644 $(get_profile boot.msg) ${CDISOROOT}/isolinux || die
    374   install -m 0644 $(get_profile help.msg) ${CDISOROOT}/isolinux || die   install -m 0644 $(get_profile help.msg) ${CDISOROOT}/isolinux || die
    375     # support the new layout too
    376     if [[ -f $(get_profile index.msg) ]]
    377     then
    378     install -m 0644 $(get_profile index.msg) ${CDISOROOT}/isolinux || die
    379     fi
    380     if [[ -f $(get_profile debug.msg) ]]
    381     then
    382     install -m 0644 $(get_profile debug.msg) ${CDISOROOT}/isolinux || die
    383     fi
    384    
    385   return 0   return 0
    386  }  }
    # Line 113  install_bootloader() Line 388  install_bootloader()
    388  generate_initrd()  generate_initrd()
    389  {  {
    390   local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})"   local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})"
    391   echo "DEBUG: ${CHROOTSH}"  
    392     is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys
    393     is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc
    394     is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev
    395    
    396   echo Generating initrd image ...   echo Generating initrd image ...
    397   echo '#!/bin/bash' > ${CHROOTSH} || die   echo '#!/bin/bash' > ${CHROOTSH} || die
    398     echo 'export LC_ALL=C' >> ${CHROOTSH} || die
    399   echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die   echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die
    400   echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die   echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die
    401   echo 'mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die   # prefer dracut
    402     echo 'if [[ -x /sbin/dracut ]]' >> ${CHROOTSH} || die
    403     echo 'then' >> ${CHROOTSH} || die
    404     echo ' dracut -v -f /initrd.gz ${kv}' >> ${CHROOTSH} || die
    405     echo 'else' >> ${CHROOTSH} || die
    406     echo ' mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die
    407     echo 'fi' >> ${CHROOTSH} || die
    408   chmod +x ${CHROOTSH} || die   chmod +x ${CHROOTSH} || die
    409   chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die   chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die
    410   [[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die   [[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die
    411    
    412     is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
    413     is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
    414     is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
    415    
    416   # move initrd to isoroot   # move initrd to isoroot
    417   install -d ${CDISOROOT}/isolinux || die   install -d ${CDISOROOT}/isolinux || die
    418   mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die   mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die
    # Line 151  generate_iso() Line 440  generate_iso()
    440    
    441  enter_livecd()  enter_livecd()
    442  {  {
    443   mount -t sysfs sysfs ${CDCHROOTDIR}/proc   is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys
    444   mount -t proc proc ${CDCHROOTDIR}/proc   is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc
    445   mount -o bind /dev ${CDCHROOTDIR}/dev   is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev
    446    
    447   chroot ${CDCHROOTDIR} \   chroot ${CDCHROOTDIR} \
    448   /usr/bin/env -i \   /usr/bin/env -i \
    449   HOME=/root \   HOME=/root \
    450   TERM=$TERM PS1='\u:\w\$ ' \   TERM=$TERM PS1='\u:\w\$ ' \
    451   PATH=/bin:/usr/bin:/sbin:/usr/sbin \   PATH=/bin:/usr/bin:/sbin:/usr/sbin \
    452     http_proxy=${http_proxy} \
    453     ftp_proxy=${ftp_proxy} \
    454     no_proxy=${no_proxy} \
    455   /bin/bash -i   /bin/bash -i
    456    
    457     is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
    458     is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
    459     is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
    460    }
    461    
    462    is_loc_mounted()
    463    {
    464     local filesys
    465     local i
    466     filesys=$1
    467    
    468     i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)"
    469     [[ ${i} != ${filesys} ]] && return 1
    470    
    471     return 0
    472    }
    473    
    474    trap_exit()
    475    {
    476     is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
    477     is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
    478     is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
    479  }  }
    480    
    481    usage()
    482    {
    483     echo "Usage: $(basename $0) [command] [profile] ..."
    484     echo
    485     echo "Commands:"
    486     echo "    bootstrap  - bootstraps the rootfs for the livecd"
    487     echo "    prepare    - prepare the rootfs to run from a livecd"
    488     echo "    rootfs     - generates the squashfs rootfs image"
    489     echo "    initrd     - generates a livecd suitable initrd"
    490     echo "    bootloader - installs the bootloader"
    491     echo "    isogen     - generate the final livecd iso image"
    492     echo "    all        - runs all tasks to get a livecd from zero"
    493     echo "    enter      - enters the rootfs of a livecd"
    494     echo
    495     echo "    for example '$(basename $0) all default'"
    496     echo "    creates a livecd using the default profile."
    497     echo
    498    }
    499    
    500    # set some proper traps
    501    trap "trap_exit" SIGINT SIGQUIT
    502    
    503  # source profile config - overrides all other vars  # source profile config - overrides all other vars
    504  [ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config  [ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config
    505    
    506  bootstrap_system  case $1 in
    507  prepare_iso   bootstrap) bootstrap_system;;
    508  generate_rootfs   prepare) prepare_iso;;
    509  generate_initrd   rootfs) generate_rootfs;;
    510  install_bootloader   initrd) generate_initrd;;
    511  generate_iso   bootloader) install_bootloader;;
    512     isogen) generate_iso;;
    513     all)
    514     bootstrap_system
    515     prepare_iso
    516     generate_rootfs
    517     generate_initrd
    518     install_bootloader
    519     generate_iso
    520     ;;
    521     enter) enter_livecd ;;
    522     *|'') usage;;
    523    esac
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