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    Contents of /trunk/mlivecdbuild/mlivecdbuild2.sh

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    Revision 2122 - (show annotations) (download) (as text)
    Thu May 16 13:23:45 2013 UTC (10 years, 11 months ago) by niro
    File MIME type: application/x-sh
    File size: 17087 byte(s) 
    -use museradd provided by to be busbox-compat
    1 #!/bin/bash
    2
    3 # some default settings - gets overidden with the profile config
    4 CDPROFILE="$2"
    5 [[ -z ${CDPROFILE} ]] && CDPROFILE="default"
    6 LIVECDROOT="/mnt/MLIVECDBUILD/${CDPROFILE}"
    7 CDCHROOTDIR="${LIVECDROOT}/chroot"
    8 CDISONAME="livecd-${CDPROFILE}.iso"
    9 CDISOROOT="${LIVECDROOT}/isoroot"
    10 CDKERNELNAME="magelive"
    11 CDHOSTNAME="livecd-${CDPROFILE}"
    12 MAGERC="/etc/mage.rc"
    13 MAGE_PROFILE="$(basename $(readlink /etc/mage-profile))"
    14 #TOOLCHAIN=toolchain
    15 BASESYSTEM=livecdsystem26
    16 CDID="mlcd-$(date +%F-%k%M)"
    17
    18 # global profile pathes
    19 PROFILES_DIR="/usr/lib/mlivecdbuild/profiles"
    20 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; }
    34
    35 # get_profile $filename
    36 get_profile()
    37 {
    38 local file="$1"
    39
    40 if [[ -z ${file} ]] || [[ ! -e ${PROFILES_DIR}/${CDPROFILE}/${file} ]]
    41 then
    42 echo "${GLOBAL_PROFILE}/${file}"
    43 return 0
    44 fi
    45
    46 echo "${PROFILES_DIR}/${CDPROFILE}/${file}"
    47 }
    48
    49 bootstrap_system()
    50 {
    51 mage-bootstrap \
    52 --root "${CDCHROOTDIR}" \
    53 --magerc "${MAGERC}" \
    54 --profile "${MAGE_PROFILE}" \
    55 --toolchain "${TOOLCHAIN}" \
    56 --basesystem "${BASESYSTEM}" \
    57 --update-tarball \
    58 || die "bootstrapping toolchain"
    59 }
    60
    61 custom_services()
    62 {
    63 local cmd="$1"
    64 local services="$2"
    65 local systemdcmd
    66
    67 case ${cmd} in
    68 add|del|default)
    69 # add given services from profile
    70 if [[ -n ${services} ]]
    71 then
    72 local i
    73 for i in ${services}
    74 do
    75 # systemd
    76 if [[ -x ${CDCHROOTDIR}/bin/systemctl ]] || [[ -x ${CDCHROOTDIR}/usr/bin/systemctl ]]
    77 then
    78 case ${cmd} in
    79 add) chroot ${CDCHROOTDIR} systemctl enable ${i} ;;
    80 del) chroot ${CDCHROOTDIR} systemctl disable ${i} ;;
    81 default)
    82 # convert targets
    83 case ${i} in
    84 2|3|multi-user) service="multi-user.target" ;;
    85 5|graphical) service="graphical.target" ;;
    86 esac
    87 chroot ${CDCHROOTDIR} systemctl enable ${i} ;;
    88 esac
    89 fi
    90 # busybox and sysvinit
    91 if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]] && [[ ! -x ${CDCHROOTDIR}/bin/systemctl ]] && [[ ! -x ${CDCHROOTDIR}/usr/bin/systemctl ]]
    92 then
    93 MROOT="${CDCHROOTDIR}" rc-config ${cmd} ${i} || die "rc ${cmd} ${i}"
    94 fi
    95 done
    96 fi
    97 ;;
    98 *) die "custom_services: unkown command ${cmd}";;
    99 esac
    100 }
    101
    102 add_initrc()
    103 {
    104 local var="$1"
    105
    106 # sanity checks
    107 [[ -z ${CDCHROOTDIR} ]] && die "\$CDCHROOTDIR not given."
    108 echo "${var}" >> ${CDCHROOTDIR}/.installrc || die "add_initrc() adding \$var"
    109 }
    110
    111 custom_packages()
    112 {
    113 local cmd="$1"
    114 local packages="$2"
    115
    116 case ${cmd} in
    117 install|uninstall)
    118 if [[ -n ${packages} ]]
    119 then
    120 :> ${CDCHROOTDIR}/.installrc
    121
    122 # respect proxies
    123 [[ -n ${http_proxy} ]] && add_initrc "export http_proxy=${http_proxy}"
    124 [[ -n ${ftp_proxy} ]] && add_initrc "export ftp_proxy=${ftp_proxy}"
    125 [[ -n ${no_proxy} ]] && add_initrc "export no_proxy=${no_proxy}"
    126
    127 # do not auto-start any services!
    128 add_initrc "export MAGE_BOOTSTRAP=true"
    129 add_initrc 'die() { if [ $? -eq 1 ]; then echo "ERROR: $@"; exit 1; fi; }'
    130
    131 local i
    132 for i in ${packages}
    133 do
    134 add_initrc "mage ${cmd} ${i} || die ${i}"
    135 done
    136 add_initrc "mage clean"
    137
    138 # now run the .installrc script
    139 mount -t proc proc ${CDCHROOTDIR}/proc || die "mount proc"
    140 mount -t sysfs sysfs ${CDCHROOTDIR}/sys || die "mount sys"
    141 mount -o bind /dev ${CDCHROOTDIR}/dev || die "mount dev"
    142 chroot ${CDCHROOTDIR} /bin/bash -i /.installrc || die "chr00ting"
    143 umount ${CDCHROOTDIR}/dev || die "umount dev"
    144 umount ${CDCHROOTDIR}/proc || die "umount proc"
    145 umount ${CDCHROOTDIR}/sys || die "umount sys"
    146 [ -f ${CDCHROOTDIR}/.installrc ] && rm ${CDCHROOTDIR}/.installrc
    147 fi
    148 ;;
    149 *) die "custom_packages: unkown command ${cmd}";;
    150 esac
    151 }
    152
    153 read_config()
    154 {
    155 local file="$1"
    156 local pkg
    157
    158 ( cat ${file}; echo ) | while read pkg
    159 do
    160 case "${pkg}" in
    161 \#*|"") continue ;;
    162 esac
    163 echo "${pkg}"
    164 done
    165 }
    166
    167 prepare_iso()
    168 {
    169 echo Preparing LiveCD ISO Image ...
    170
    171 # fixes some issues with xfree/xorg xkb
    172 if [[ -L ${CDCHROOTDIR}/etc/X11/xkb ]] &&
    173 [[ -d ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ]]
    174 then
    175 rm ${CDCHROOTDIR}/etc/X11/xkb || die
    176 mv ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb ${CDCHROOTDIR}/etc/X11 || die
    177 ln -s ../../../../etc/X11/xkb ${CDCHROOTDIR}/usr/X11R6/lib/X11/xkb || die
    178 fi
    179
    180 # fix issues with >=dracut-014 which drops some default modules like livecd
    181 if [[ -x ${CDCHROOTDIR}/sbin/dracut ]] ||
    182 [[ -x ${CDCHROOTDIR}/usr/sbin/dracut ]] ||
    183 [[ -x ${CDCHROOTDIR}/usr/bin/dracut ]]
    184 then
    185 install -d ${CDCHROOTDIR}/etc/dracut.conf.d || die
    186 echo 'add_dracutmodules+=" dmsquash-live "' \
    187 > ${CDCHROOTDIR}/etc/dracut.conf.d/02-livecd.conf || die
    188 fi
    189
    190 # only on sysvinit or busybox systems
    191 if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    192 then
    193 install -m 0644 $(get_profile inittab) ${CDCHROOTDIR}/etc/inittab || die
    194 fi
    195 if [[ -x ${CDCHROOTDIR}/bin/systemctl ]] || [[ -x ${CDCHROOTDIR}/usr/bin/systemctl ]]
    196 then
    197 # check lock group on systemd systems
    198 if [[ -z $(chroot ${CDCHROOTDIR} getent group lock) ]]
    199 then
    200 echo "adding missing group 'lock'"
    201 chroot ${CDCHROOTDIR} /usr/lib/mage/mgroupadd -o "-g 54" lock
    202 fi
    203 # dbus plugdev group
    204 if [[ -z $(chroot ${CDCHROOTDIR} getent group plugdev) ]]
    205 then
    206 echo "adding missing group 'plugdev'"
    207 chroot ${CDCHROOTDIR} /usr/lib/mage/mgroupadd -o "-g 302" plugdev
    208 fi
    209 # dbus messagebus group
    210 if [[ -z $(chroot ${CDCHROOTDIR} getent group messagebus) ]]
    211 then
    212 echo "adding missing group 'messagebus'"
    213 chroot ${CDCHROOTDIR} /usr/lib/mage/mgroupadd -o "-g 300" messagebus
    214 fi
    215 # dbus messagebus user
    216 if [[ -z $(chroot ${CDCHROOTDIR} getent passwd messagebus) ]]
    217 then
    218 echo "adding missing user 'messagebus'"
    219 chroot ${CDCHROOTDIR} /usr/lib/mage/museradd -o "-u 300 -g messagebus -d /dev/null -s /bin/false" messagebus
    220 fi
    221 fi
    222 install -m 0644 $(get_profile fstab) ${CDCHROOTDIR}/etc/fstab || die
    223 install -m 0644 $(get_profile motd) ${CDCHROOTDIR}/etc/motd || die
    224 install -m 0644 $(get_profile issue) ${CDCHROOTDIR}/etc/issue || die
    225 install -m 0644 $(get_profile net.eth0) ${CDCHROOTDIR}/etc/conf.d/net.eth0 || die
    226 echo "${CDHOSTNAME}" > ${CDCHROOTDIR}/etc/hostname || die
    227 install -d ${CDCHROOTDIR}/mnt/magellan || die
    228
    229 echo Setting up services ...
    230
    231 # install systemd default services
    232 if [[ -x ${CDCHROOTDIR}/bin/systemctl ]]
    233 then
    234 # install tmpfs /tmp and /var/tmp
    235 install -m 0644 $(get_profile tmp.mount) ${CDCHROOTDIR}/lib/systemd/system/ || die
    236 install -m 0644 $(get_profile var-tmp.mount) ${CDCHROOTDIR}/lib/systemd/system/ || die
    237 # enable them
    238 ln -snf ../tmp.mount ${CDCHROOTDIR}/lib/systemd/system/local-fs.target.wants/tmp.mount || die
    239 ln -snf ../var-tmp.mount ${CDCHROOTDIR}/lib/systemd/system/local-fs.target.wants/var-tmp.mount || die
    240 fi
    241 # newer systemd goes to /usr/lib
    242 if [[ -x ${CDCHROOTDIR}/usr/bin/systemctl ]]
    243 then
    244 # install tmpfs /tmp and /var/tmp
    245 install -m 0644 $(get_profile tmp.mount) ${CDCHROOTDIR}/usr/lib/systemd/system/ || die
    246 install -m 0644 $(get_profile var-tmp.mount) ${CDCHROOTDIR}/usr/lib/systemd/system/ || die
    247 # enable them
    248 ln -snf ../tmp.mount ${CDCHROOTDIR}/usr/lib/systemd/system/local-fs.target.wants/tmp.mount || die
    249 ln -snf ../var-tmp.mount ${CDCHROOTDIR}/usr/lib/systemd/system/local-fs.target.wants/var-tmp.mount || die
    250 fi
    251
    252 if [[ -x ${CDCHROOTDIR}/bin/systemctl ]] || [[ -x ${CDCHROOTDIR}/usr/bin/systemctl ]]
    253 then
    254 install -m 0644 $(get_profile getty) ${CDCHROOTDIR}/etc/conf.d/getty || die
    255
    256 custom_services add getty@.service
    257 custom_services add remote-fs.target
    258 # disable readahead
    259 custom_services del systemd-readahead-replay.service
    260 custom_services del systemd-readahead-collect.service
    261 fi
    262
    263 # # add hardware detection
    264 # if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    265 # then
    266 # MROOT="${CDCHROOTDIR}" rc-config add hwdetect || die "rc add hwdetect"
    267 # fi
    268
    269 # del checkfs
    270 if [[ -x ${CDCHROOTDIR}/sbin/rc-config ]]
    271 then
    272 MROOT="${CDCHROOTDIR}" rc-config del checkfs || die "rc del checkfs"
    273 fi
    274
    275 # add custom packages
    276 [[ -n ${ADD_PACKAGES} ]] && custom_packages install "${ADD_PACKAGES}"
    277 [ -f $(get_profile add_packages) ] && custom_packages install "$(read_config $(get_profile add_packages))"
    278
    279 # del custom packages
    280 [[ -n ${DEL_PACKAGES} ]] && custom_packages uninstall "${DEL_PACKAGES}"
    281 [ -f $(get_profile del_packages) ] && custom_packages uninstall "$(read_config $(get_profile del_packages))"
    282
    283 # add given services from profile
    284 [[ -n ${ADD_SERVICES} ]] && custom_services add "${ADD_SERVICES}"
    285 [ -f $(get_profile add_services) ] && custom_services add "$(read_config $(get_profile add_services))"
    286
    287 # del given services from profile
    288 [[ -n ${DEL_SERVICES} ]] && custom_services del "${DEL_SERVICES}"
    289 [ -f $(get_profile del_services) ] && custom_services del "$(read_config $(get_profile del_services))"
    290
    291 # setup default runlevel
    292 [[ -n ${DEFAULT_RUNLEVEL} ]] && custom_services default "${DEFAULT_RUNLEVEL}"
    293
    294 if [ -f $(get_profile prepare_custom) ]
    295 then
    296 echo Running custom user script ...
    297 source $(get_profile prepare_custom) || die "running custom user script"
    298 fi
    299
    300 echo Cleaning unwanted files ...
    301 # do this only if not a symlink!
    302 if [[ ! -L ${CDCHROOTDIR}/etc/mtab ]]
    303 then
    304 :> ${CDCHROOTDIR}/etc/mtab || die "whiping /etc/mtab"
    305 fi
    306 [ -f ${CDCHROOTDIR}/root/.bash_history ] && rm ${CDCHROOTDIR}/root/.bash_history
    307 }
    308
    309 generate_rootfs()
    310 {
    311 local loopdev
    312 local size
    313
    314 if [ -f ${LIVECDROOT}/loop/LiveOS/ext3fs.img ]
    315 then
    316 rm ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    317 fi
    318 if [ -f ${CDISOROOT}/LiveOS/squashfs.img ]
    319 then
    320 rm ${CDISOROOT}/LiveOS/squashfs.img
    321 fi
    322 if [ -f ${CDISOROOT}/livecdrootfs.sqsh ]
    323 then
    324 rm ${CDISOROOT}/livecdrootfs.sqsh
    325 fi
    326
    327 echo Generating squashfs compressed rootfs loopfile ...
    328 if [[ -x ${CDCHROOTDIR}/sbin/dracut ]] ||
    329 [[ -x ${CDCHROOTDIR}/usr/sbin/dracut ]] ||
    330 [[ -x ${CDCHROOTDIR}/usr/bin/dracut ]]
    331 then
    332 install -d ${LIVECDROOT}/loop/{LiveOS,mnt} || die
    333
    334 # get the actual size of the chroot
    335 size=$(du -s ${LIVECDROOT}/chroot | sed 's:^\(.*\)[[:space:]].*:\1:')
    336
    337 # generate a ext3fs file for devicemapper
    338 dd if=/dev/zero of=${LIVECDROOT}/loop/LiveOS/ext3fs.img bs=1024 count=$(( ${size} + 10 )) || die
    339 # create a filesystem
    340 mkfs.ext3 -L "_${CDID}_EXT3" -m 1 -b 1024 -F ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    341 # set mount_counts and check_intervals to 0
    342 # set dir_index top, to speed up thing with hashed b-trees
    343 # allow acls too
    344 tune2fs -c0 -i0 -Odir_index -ouser_xattr,acl ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    345
    346 # losetup the device
    347 loopdev=$(losetup -f)
    348 [[ -z ${loopdev} ]] && die "No unused loopdev found. Maybe you want 'modprobe loop'?"
    349
    350 # mount the image
    351 losetup ${loopdev} ${LIVECDROOT}/loop/LiveOS/ext3fs.img || die
    352 mount ${loopdev} ${LIVECDROOT}/loop/mnt || die
    353
    354 # copy everything to the image file and preserve permissions
    355 ( cd ${CDCHROOTDIR} && tar cpf - . ) | ( cd ${LIVECDROOT}/loop/mnt && tar xvpf - )
    356 sleep 3
    357
    358 # now umount everything and create the squashfs image
    359 umount ${LIVECDROOT}/loop/mnt || die
    360 losetup -d ${loopdev} || die
    361 # remove mount to not ending up in the squashfs image
    362 if [[ -d ${LIVECDROOT}/loop/mnt ]]
    363 then
    364 rm -r ${LIVECDROOT}/loop/mnt || die
    365 fi
    366 mksquashfs ${LIVECDROOT}/loop ${LIVECDROOT}/livecdrootfs.sqsh || die
    367
    368 # final cleanup
    369 if [[ -d ${LIVECDROOT}/loop ]]
    370 then
    371 rm -r ${LIVECDROOT}/loop || die
    372 fi
    373 else
    374 mksquashfs ${CDCHROOTDIR} ${LIVECDROOT}/livecdrootfs.sqsh || die
    375 fi
    376
    377 echo Moving rootfs loopfile to isoroot ...
    378 install -d ${CDISOROOT}
    379 if [[ -x ${CDCHROOTDIR}/sbin/dracut ]] ||
    380 [[ -x ${CDCHROOTDIR}/usr/sbin/dracut ]] ||
    381 [[ -x ${CDCHROOTDIR}/usr/bin/dracut ]]
    382 then
    383 install -d ${CDISOROOT}/LiveOS
    384 mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}/LiveOS/squashfs.img
    385 else
    386 mv ${LIVECDROOT}/livecdrootfs.sqsh ${CDISOROOT}
    387 fi
    388 }
    389
    390 install_bootloader()
    391 {
    392 echo Installing Bootloader ...
    393
    394 # iso linux binary
    395 install -d ${CDISOROOT}/isolinux
    396 install ${ISOLINUX_BIN} ${CDISOROOT}/isolinux || die
    397
    398 # kernel
    399 local kimg="$(basename $(readlink ${CDCHROOTDIR}/boot/vmlinuz))"
    400 install ${CDCHROOTDIR}/boot/${kimg} ${CDISOROOT}/isolinux/${CDKERNELNAME} || die
    401
    402 install -m 0644 $(get_profile isolinux.cfg) ${CDISOROOT}/isolinux || die
    403 install -m 0644 $(get_profile boot.lss) ${CDISOROOT}/isolinux || die
    404 install -m 0644 $(get_profile boot.msg) ${CDISOROOT}/isolinux || die
    405 install -m 0644 $(get_profile help.msg) ${CDISOROOT}/isolinux || die
    406 # support the new layout too
    407 if [[ -f $(get_profile index.msg) ]]
    408 then
    409 install -m 0644 $(get_profile index.msg) ${CDISOROOT}/isolinux || die
    410 fi
    411 if [[ -f $(get_profile debug.msg) ]]
    412 then
    413 install -m 0644 $(get_profile debug.msg) ${CDISOROOT}/isolinux || die
    414 fi
    415
    416 return 0
    417 }
    418
    419 generate_initrd()
    420 {
    421 local CHROOTSH="$(mktemp -p ${CDCHROOTDIR})"
    422
    423 is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys
    424 is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc
    425 is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev
    426
    427 echo Generating initrd image ...
    428 echo '#!/bin/bash' > ${CHROOTSH} || die
    429 echo 'export LC_ALL=C' >> ${CHROOTSH} || die
    430 echo 'kv="$(readlink /boot/vmlinuz)"' >> ${CHROOTSH} || die
    431 echo 'kv="${kv/kernel-}/"' >> ${CHROOTSH} || die
    432 # prefer dracut
    433 echo 'if [[ -x /sbin/dracut ]] || [[ -x /usr/sbin/dracut ]] || [[ -x /usr/bin/dracut ]]' >> ${CHROOTSH} || die
    434 echo 'then' >> ${CHROOTSH} || die
    435 echo ' dracut -v -f /initrd.gz ${kv}' >> ${CHROOTSH} || die
    436 echo 'else' >> ${CHROOTSH} || die
    437 echo ' mkinitrd-livecd -f --initramfs /initrd.gz ${kv}' >> ${CHROOTSH} || die
    438 echo 'fi' >> ${CHROOTSH} || die
    439 chmod +x ${CHROOTSH} || die
    440 chroot ${CDCHROOTDIR} /$(basename ${CHROOTSH}) || die
    441 [[ -f ${CHROOTSH} ]] && rm ${CHROOTSH} || die
    442
    443 is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
    444 is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
    445 is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
    446
    447 # move initrd to isoroot
    448 install -d ${CDISOROOT}/isolinux || die
    449 mv ${CDCHROOTDIR}/initrd.gz ${CDISOROOT}/isolinux || die
    450 }
    451
    452 generate_iso()
    453 {
    454 echo Generating ISO Image ...
    455 install -d ${CDISOROOT}
    456 pushd ${CDISOROOT} &&
    457 mkisofs -rock \
    458 -full-iso9660-filenames \
    459 -allow-leading-dots \
    460 -disable-deep-relocation \
    461 -output ${LIVECDROOT}/${CDISONAME} \
    462 -eltorito-boot isolinux/isolinux.bin \
    463 -eltorito-catalog isolinux/boot.cat \
    464 -no-emul-boot \
    465 -boot-load-size 4 \
    466 -boot-info-table \
    467 -volid "${CDID}" \
    468 ${CDISOROOT} #&> /dev/null
    469 popd
    470 }
    471
    472 enter_livecd()
    473 {
    474 is_loc_mounted "${CDCHROOTDIR}/sys" || mount -t sysfs sysfs ${CDCHROOTDIR}/sys
    475 is_loc_mounted "${CDCHROOTDIR}/proc" || mount -t proc proc ${CDCHROOTDIR}/proc
    476 is_loc_mounted "${CDCHROOTDIR}/dev" || mount -o bind /dev ${CDCHROOTDIR}/dev
    477
    478 chroot ${CDCHROOTDIR} \
    479 /usr/bin/env -i \
    480 HOME=/root \
    481 TERM=$TERM PS1='\u:\w\$ ' \
    482 PATH=/bin:/usr/bin:/sbin:/usr/sbin \
    483 http_proxy=${http_proxy} \
    484 ftp_proxy=${ftp_proxy} \
    485 no_proxy=${no_proxy} \
    486 /bin/bash -i
    487
    488 is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
    489 is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
    490 is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
    491 }
    492
    493 is_loc_mounted()
    494 {
    495 local filesys
    496 local i
    497 filesys=$1
    498
    499 i="$(cat /proc/mounts | grep " ${filesys} " | cut -d ' ' -f2)"
    500 [[ ${i} != ${filesys} ]] && return 1
    501
    502 return 0
    503 }
    504
    505 trap_exit()
    506 {
    507 is_loc_mounted "${CDCHROOTDIR}/dev" && umount ${CDCHROOTDIR}/dev
    508 is_loc_mounted "${CDCHROOTDIR}/proc" && umount ${CDCHROOTDIR}/proc
    509 is_loc_mounted "${CDCHROOTDIR}/sys" && umount ${CDCHROOTDIR}/sys
    510 }
    511
    512 usage()
    513 {
    514 echo "Usage: $(basename $0) [command] [profile] ..."
    515 echo
    516 echo "Commands:"
    517 echo " bootstrap - bootstraps the rootfs for the livecd"
    518 echo " prepare - prepare the rootfs to run from a livecd"
    519 echo " rootfs - generates the squashfs rootfs image"
    520 echo " initrd - generates a livecd suitable initrd"
    521 echo " bootloader - installs the bootloader"
    522 echo " isogen - generate the final livecd iso image"
    523 echo " all - runs all tasks to get a livecd from zero"
    524 echo " enter - enters the rootfs of a livecd"
    525 echo
    526 echo " for example '$(basename $0) all default'"
    527 echo " creates a livecd using the default profile."
    528 echo
    529 }
    530
    531 # set some proper traps
    532 trap "trap_exit" SIGINT SIGQUIT
    533
    534 # source profile config - overrides all other vars
    535 [ -f ${PROFILES_DIR}/${CDPROFILE}/config ] && . ${PROFILES_DIR}/${CDPROFILE}/config
    536
    537 case $1 in
    538 bootstrap) bootstrap_system;;
    539 prepare) prepare_iso;;
    540 rootfs) generate_rootfs;;
    541 initrd) generate_initrd;;
    542 bootloader) install_bootloader;;
    543 isogen) generate_iso;;
    544 all)
    545 bootstrap_system
    546 prepare_iso
    547 generate_rootfs
    548 generate_initrd
    549 install_bootloader
    550 generate_iso
    551 ;;
    552 enter) enter_livecd ;;
    553 *|'') usage;;
    554 esac