defaults/linuxrc

   1 #!/bin/sh
   2
   3 . /etc/initrd.defaults
   4 . /etc/initrd.scripts
   5
   6 splash() {
   7         return 0
   8 }
   9
  10 [ -e /etc/initrd.splash ] && . /etc/initrd.splash
  11
  12 # Clean input/output
  13 exec >${CONSOLE} <${CONSOLE} 2>&1
  14
  15 if [ "$$" != '1' ]
  16 then
  17         echo '/linuxrc has to be run as the init process as the one'
  18         echo 'with a PID of 1. Try adding init="/linuxrc" to the'
  19         echo 'kernel command line or running "exec /linuxrc".'
  20         exit 1
  21 fi
  22
  23 mount -t proc proc /proc >/dev/null 2>&1
  24 mount -o remount,rw / >/dev/null 2>&1
  25
  26 # Set up symlinks
  27 /bin/busybox --install -s
  28
  29 if [ "$0" = '/init' ]
  30 then
  31         [ -e /linuxrc ] && rm /linuxrc
  32
  33         if [ -e /bin/lvm ]
  34         then
  35                 ln -s /bin/lvm /bin/vgscan
  36                 ln -s /bin/lvm /bin/vgchange
  37         fi
  38 fi
  39
  40 quiet_kmsg
  41
  42 CMDLINE=`cat /proc/cmdline`
  43 # Scan CMDLINE for any specified real_root= or cdroot arguments
  44 FAKE_ROOT=''
  45 REAL_ROOTFLAGS=''
  46 CRYPT_SILENT=0
  47 for x in ${CMDLINE}
  48 do
  49         case "${x}" in
  50                 real_root\=*)
  51                         REAL_ROOT=`parse_opt "${x}"`
  52                 ;;
  53                 root\=*)
  54                         FAKE_ROOT=`parse_opt "${x}"`
  55                 ;;
  56                 subdir\=*)
  57                         SUBDIR=`parse_opt "${x}"`
  58                 ;;
  59                 real_init\=*)
  60                         REAL_INIT=`parse_opt "${x}"`
  61                 ;;
  62                 init_opts\=*)
  63                         INIT_OPTS=`parse_opt "${x}"`
  64                 ;;
  65                 # Livecd options
  66                 cdroot)
  67                         CDROOT=1
  68                 ;;
  69                 cdroot\=*)
  70                         CDROOT=1
  71                         CDROOT_DEV=`parse_opt "${x}"`
  72                 ;;
  73                 cdroot_type\=*)
  74                         CDROOT_TYPE=`parse_opt "${x}"`
  75                 ;;
  76                 # Start livecd loop, looptype options
  77                 loop\=*)
  78                         LOOP=`parse_opt "${x}"`
  79                 ;;
  80                 looptype\=*)
  81                         LOOPTYPE=`parse_opt "${x}"`
  82                 ;;
  83                 # Start Volume manager options
  84                 dolvm)
  85                         USE_LVM_NORMAL=1
  86                 ;;
  87                 dolvm2)
  88                         bad_msg 'Using dolvm2 is deprecated, use dolvm, instead.'
  89                         USE_LVM_NORMAL=1
  90                 ;;
  91                 domdadm)
  92                         USE_MDADM=1
  93                 ;;
  94                 dodmraid)
  95                         USE_DMRAID_NORMAL=1
  96                 ;;
  97                 dodmraid\=*)
  98                         DMRAID_OPTS=`parse_opt "${x}"`
  99                         USE_DMRAID_NORMAL=1
 100                 ;;
 101                 doevms)
 102                         USE_EVMS_NORMAL=1
 103                 ;;
 104                 doevms2)
 105                         bad_msg 'Using doevms2 is deprecated, use doevms, instead.'
 106                         USE_EVMS_NORMAL=1
 107                 ;;
 108                 # Debug Options
 109                 debug)
 110                         DEBUG='yes'
 111                 ;;
 112                 # Scan delay options
 113                 scandelay\=*)
 114                         SDELAY=`parse_opt "${x}"`
 115                 ;;
 116                 scandelay)
 117                         SDELAY=10
 118                 ;;
 119                 # Module no-loads
 120                 doload\=*)
 121                         MDOLIST=`parse_opt "${x}"`
 122                         MDOLIST="`echo ${MDOLIST} | sed -e 's/,/ /g'`"
 123                 ;;
 124                 nodetect)
 125                         NODETECT=1
 126                 ;;
 127                 noload\=*)
 128                         MLIST=`parse_opt "${x}"`
 129                         MLIST="`echo ${MLIST} | sed -e 's/,/ /g'`"
 130                         export MLIST
 131                 ;;
 132                 # Redirect output to a specific tty
 133                 CONSOLE\=*|console\=*)
 134                         CONSOLE=`parse_opt "${x}"`
 135 #                       exec >${CONSOLE} <${CONSOLE} 2>&1
 136                 ;;
 137                 # /dev/md
 138                 lvmraid\=*)
 139                         RAID_DEVICES="`parse_opt ${x}`"
 140                         RAID_DEVICES="`echo ${RAID_DEVICES} | sed -e 's/,/ /g'`"
 141                 ;;
 142                 part\=*)
 143                         MDPART=`parse_opt "${x}"`
 144                 ;;
 145                 # NFS
 146                 ip\=*)
 147                         IP=`parse_opt "${x}"`
 148                 ;;
 149                 nfsroot\=*)
 150                         NFSROOT=`parse_opt "${x}"`
 151                 ;;
 152                 crypt_root\=*)
 153                         CRYPT_ROOT=`parse_opt "${x}"`
 154                 ;;
 155                 crypt_swap\=*)
 156                         CRYPT_SWAP=`parse_opt "${x}"`
 157                 ;;
 158                 root_key\=*)
 159                         CRYPT_ROOT_KEY=`parse_opt "${x}"`
 160                 ;;
 161                 root_keydev\=*)
 162                         CRYPT_ROOT_KEYDEV=`parse_opt "${x}"`
 163                 ;;
 164                 swap_key\=*)
 165                         CRYPT_SWAP_KEY=`parse_opt "${x}"`
 166                 ;;
 167                 swap_keydev\=*)
 168                         CRYPT_SWAP_KEYDEV=`parse_opt "${x}"`
 169                 ;;
 170                 real_resume\=*|resume\=*)
 171                         REAL_RESUME=`parse_opt "${x}"`
 172                 ;;
 173                 noresume)
 174                         NORESUME=1
 175                 ;;
 176                 crypt_silent)
 177                         CRYPT_SILENT=1
 178                 ;;
 179                 real_rootflags\=*)
 180                         REAL_ROOTFLAGS=`parse_opt "${x}"`
 181                 ;;
 182                 keymap\=*)
 183                         keymap=`parse_opt "${x}"`
 184                 ;;
 185                 unionfs)
 186                         if [ ! -x /sbin/unionfs ]
 187                         then
 188                                 USE_UNIONFS_NORMAL=0
 189                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
 190                         else
 191                                 USE_UNIONFS_NORMAL=1
 192                         fi
 193                         ;;
 194                 nounionfs)
 195                         USE_UNIONFS_NORMAL=0
 196                         ;;
 197 #                 unionfs\=*)
 198 #                         if [ ! -x /sbin/unionfs ]
 199 #                         then
 200 #                                 USE_UNIONFS_NORMAL=0
 201 #                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
 202 #                         else
 203 #                                 USE_UNIONFS_NORMAL=1
 204 #                                 CMD_UNIONFS=`parse_opt "${x}"`
 205 #                                 echo ${CMD_UNIONFS}|grep , >/dev/null 2>&1
 206 #                                 if [ "$?" -eq '0' ]
 207 #                                 then
 208 #                                         UID=`echo ${CMD_UNIONFS#*,}`
 209 #                                         UNIONFS=`echo ${CMD_UNIONFS%,*}`
 210 #                                 else
 211 #                                         UNIONFS=${CMD_UNIONFS}
 212 #                                 fi
 213 #                         fi
 214 #                 ;;
 215         esac
 216 done
 217
 218 if [ -z "${REAL_ROOT}" -a \( "${CDROOT}" -eq 0 \)  -a \( "${FAKE_ROOT}" != "/dev/ram0" \) ]
 219 then
 220         REAL_ROOT="${FAKE_ROOT}"
 221 fi
 222
 223 splash 'init'
 224
 225 cmdline_hwopts
 226
 227 # Mount sysfs
 228 mount_sysfs
 229
 230 # Setup hotplugging for firmware loading
 231 setup_hotplug
 232
 233 # Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
 234 if [ -z "${DO_modules}" ]
 235 then
 236         good_msg 'Skipping module load; disabled via commandline'
 237 elif [ -d "/lib/modules/${KV}" ]
 238 then
 239         good_msg 'Loading modules'
 240         # Load appropriate kernel modules
 241         if [ "${NODETECT}" != '1' ]
 242         then
 243                 for modules in ${MY_HWOPTS}
 244                 do
 245                         modules_scan ${modules}
 246                 done
 247         fi
 248         # Always eval doload=...
 249         modules_load ${MDOLIST}
 250 else
 251         good_msg 'Skipping module load; no modules in the ramdisk!'
 252 fi
 253
 254 # Delay if needed for USB hardware
 255 sdelay
 256
 257 # Start device manager
 258 start_dev_mgr
 259
 260 # Setup md device nodes if they dont exist
 261 setup_md_device
 262
 263 # Scan volumes
 264 startVolumes
 265
 266 setup_keymap
 267
 268 # Initialize LUKS root device except for livecd's
 269 if [ "${CDROOT}" != 1 ]
 270 then
 271         startLUKS
 272         if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
 273         then
 274                 case "${REAL_RESUME}" in
 275                         LABEL\=*|UUID\=*)
 276
 277                                 RESUME_DEV=""
 278                                 retval=1
 279
 280                                 if [ "${retval}" -ne '0' ]; then
 281                                         RESUME_DEV=`findfs "${REAL_RESUME}" 2>/dev/null`
 282                                         retval=$?
 283                                 fi
 284
 285                                 if [ "$retval" -ne '0' ]; then
 286                                         RESUME_DEV=`busybox findfs "${REAL_RESUME}" 2>/dev/null`
 287                                         retval=$?
 288                                 fi
 289
 290                                 if [ "${retval}" -ne '0' ]; then
 291                                         RESUME_DEV=`blkid -t "${REAL_RESUME}" | cut -d ":" -f 1 2>/dev/null`
 292                                         retval=$?
 293                                 fi
 294
 295                                 if [ "${retval}" -eq '0' ] && [ -n "${RESUME_DEV}" ]; then
 296                                         good_msg "Detected real_resume=${RESUME_DEV}"
 297                                         REAL_RESUME="${RESUME_DEV}"
 298                                 fi
 299                                 ;;
 300                 esac
 301
 302                 do_resume
 303         fi
 304 fi
 305
 306 mkdir -p "${NEW_ROOT}"
 307 CHROOT="${NEW_ROOT}"
 308
 309 # Run debug shell if requested
 310 rundebugshell
 311
 312 if [ "${CDROOT}" = '1' ]
 313 then
 314         good_msg "Making tmpfs for ${NEW_ROOT}"
 315         mount -n -t tmpfs tmpfs "${NEW_ROOT}"
 316
 317         for i in dev mnt mnt/cdrom mnt/livecd mnt/key tmp tmp/.initrd mnt/gentoo sys
 318         do
 319                 mkdir -p "${NEW_ROOT}/${i}"
 320                 chmod 755 "${NEW_ROOT}/${i}"
 321         done
 322         [ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
 323         [ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1
 324
 325         # For SGI LiveCDs ...
 326         if [ "${LOOPTYPE}" = "sgimips" ]
 327         then
 328                 [ ! -e "${NEW_ROOT}/dev/sr0" ] && mknod "${NEW_ROOT}/dev/sr0" b 11 0
 329                 [ ! -e "${NEW_ROOT}/dev/loop0" ] && mknod "${NEW_ROOT}/dev/loop0" b 7 0
 330         fi
 331
 332         # Required for splash to work.  Not an issue with the initrd as this
 333         # device isn't created there and is not needed.
 334         if [ -e /dev/tty1 ]
 335         then
 336                 [ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1
 337         fi
 338
 339         if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ]
 340         then
 341                 bootstrapCD
 342         fi
 343
 344         if [ "${REAL_ROOT}" = '' ]
 345         then
 346                 echo -n -e "${WARN}>>${NORMAL}${BOLD} No bootable medium found. Waiting for new devices"
 347
 348                 COUNTER=0
 349                 while [ ${COUNTER} -lt 3 ]; do
 350                         sleep 3
 351                         echo -n '.'
 352                         let COUNTER=${COUNTER}+1
 353                 done
 354
 355                 sleep 1
 356                 echo -e "${NORMAL}"
 357                 bootstrapCD
 358         fi
 359
 360         if [ "${REAL_ROOT}" = '' ]
 361         then
 362                 # Undo stuff
 363                 umount  "${NEW_ROOT}/dev" 2>/dev/null
 364                 umount  "${NEW_ROOT}/sys" 2>/dev/null
 365                 umount /sys 2>/dev/null
 366
 367                 umount  "${NEW_ROOT}"
 368                 rm -rf  "${NEW_ROOT}/*"
 369
 370                 bad_msg 'Could not find CD to boot, something else needed!'
 371                 CDROOT=0
 372         fi
 373 fi
 374
 375 # Determine root device
 376 good_msg 'Determining root device...'
 377 while true
 378 do
 379         while [ "${got_good_root}" != '1' ]
 380         do
 381                 case "${REAL_ROOT}" in
 382                         LABEL\=*|UUID\=*)
 383
 384                                 ROOT_DEV=""
 385                                 retval=1
 386
 387                                 if [ "${retval}" -ne '0' ]; then
 388                                         ROOT_DEV=`findfs "${REAL_ROOT}" 2>/dev/null`
 389                                         retval=$?
 390                                 fi
 391
 392                                 if [ "$retval" -ne '0' ]; then
 393                                         ROOT_DEV=`busybox findfs "${REAL_ROOT}" 2>/dev/null`
 394                                         retval=$?
 395                                 fi
 396
 397                                 if [ "${retval}" -ne '0' ]; then
 398                                         ROOT_DEV=`blkid -t "${REAL_ROOT}" | cut -d ":" -f 1 2>/dev/null`
 399                                         retval=$?
 400                                 fi
 401
 402                                 if [ "${retval}" -eq '0' ] && [ -n "${ROOT_DEV}" ]; then
 403                                         good_msg "Detected real_root=${ROOT_DEV}"
 404                                         REAL_ROOT="${ROOT_DEV}"
 405                                 else
 406                                         whereis "REAL_ROOT" "root block device"
 407                                         got_good_root=0
 408                                         continue
 409                                 fi
 410                                 ;;
 411                 esac
 412
 413                 if [ "${REAL_ROOT}" = '' ]
 414                 then
 415                         # No REAL_ROOT determined/specified. Prompt user for root block device.
 416                         whereis "REAL_ROOT" "root block device"
 417                         got_good_root=0
 418
 419                 # Check for a block device or /dev/nfs
 420                 elif [ -b "${REAL_ROOT}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
 421                 then
 422                         got_good_root=1
 423
 424                 else
 425                         bad_msg "Block device ${REAL_ROOT} is not a valid root device..."
 426                         REAL_ROOT=""
 427                         got_good_root=0
 428                 fi
 429         done
 430
 431
 432         if [ "${CDROOT}" = 1 -a "${got_good_root}" = '1' -a "${REAL_ROOT}" != "/dev/nfs" ]
 433         then
 434                 # CD already mounted; no further checks necessary
 435                 break
 436         elif [ "${LOOPTYPE}" = "sgimips" ]
 437         then
 438                 # sgimips mounts the livecd root partition directly
 439                 # there is no isofs filesystem to worry about
 440                 break
 441         else
 442                 good_msg "Mounting root..."
 443
 444                 # Try to mount the device as ${NEW_ROOT}
 445                 if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
 446                         findnfsmount
 447                 else
 448                         # mount ro so fsck doesn't barf later
 449                         if [ "${REAL_ROOTFLAGS}" = '' ]; then
 450                                 mount -o ro ${REAL_ROOT} ${NEW_ROOT}
 451                         else
 452                                 good_msg "Using mount -o ro,${REAL_ROOTFLAGS}"
 453                                 mount -o ro,${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
 454                         fi
 455                 fi
 456
 457                 # If mount is successful break out of the loop
 458                 # else not a good root and start over.
 459                 if [ "$?" = '0' ]
 460                 then
 461                         if [ -d ${NEW_ROOT}/dev -a -x ${NEW_ROOT}/sbin/init ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
 462                         then
 463                                 break
 464                         else
 465                                 bad_msg "The filesystem mounted at ${REAL_ROOT} does not appear to be a valid /, try again"
 466                                 got_good_root=0
 467                                 REAL_ROOT=''
 468                         fi
 469                 else
 470                         bad_msg "Could not mount specified ROOT, try again"
 471                         got_good_root=0
 472                         REAL_ROOT=''
 473                 fi
 474         fi
 475 done
 476 # End determine root device
 477
 478 #verbose_kmsg
 479
 480 # If CD root is set determine the looptype to boot
 481 if [ "${CDROOT}" = '1' ]
 482 then
 483         good_msg 'Determining looptype ...'
 484         cd "${NEW_ROOT}"
 485
 486         # Find loop and looptype
 487         [ -z "${LOOP}" ] && find_loop
 488         [ -z "${LOOPTYPE}" ] && find_looptype
 489
 490         cache_cd_contents
 491
 492         # If encrypted, find key and mount, otherwise mount as usual
 493         if [ -n "${CRYPT_ROOT}" ]
 494         then
 495                 CRYPT_ROOT_KEY="$(head -n 1 ${NEW_ROOT}/mnt/cdrom/livecd)"
 496                 CRYPT_ROOT='/dev/loop0'
 497                 good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"
 498
 499                 losetup /dev/loop0 "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
 500                 test_success 'Preparing loop filesystem'
 501
 502                 startLUKS
 503
 504                 case ${LOOPTYPE} in
 505                         normal)
 506                                 MOUNTTYPE="ext2"
 507                                 ;;
 508                         *)
 509                                 MOUNTTYPE="${LOOPTYPE}"
 510                                 ;;
 511                 esac
 512                 mount -t "${MOUNTTYPE}" -o ro /dev/mapper/root "${NEW_ROOT}/mnt/livecd"
 513                 test_success 'Mount filesystem'
 514                 FS_LOCATION='mnt/livecd'
 515         # Setup the loopback mounts, if unencrypted
 516         else
 517                 if [ "${LOOPTYPE}" = 'normal' ]
 518                 then
 519                         good_msg 'Mounting loop filesystem'
 520                         mount -t ext2 -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
 521                         test_success 'Mount filesystem'
 522                         FS_LOCATION='mnt/livecd'
 523                 elif [ "${LOOPTYPE}" = 'squashfs' ]
 524                 then
 525                         good_msg 'Mounting squashfs filesystem'
 526                         mount -t squashfs -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
 527                         test_success 'Mount filesystem'
 528                         FS_LOCATION='mnt/livecd'
 529                 elif [ "${LOOPTYPE}" = 'gcloop' ]
 530                 then
 531                         good_msg 'Mounting gcloop filesystem'
 532                         echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
 533                         test_success 'losetup the loop device'
 534
 535                         mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
 536                         test_success 'Mount the losetup loop device'
 537                         FS_LOCATION='mnt/livecd'
 538                 elif [ "${LOOPTYPE}" = 'zisofs' ]
 539                 then
 540                         FS_LOCATION="mnt/cdrom/${LOOPEXT}${LOOP}"
 541                 elif [ "${LOOPTYPE}" = 'noloop' ]
 542                 then
 543                         FS_LOCATION='mnt/cdrom'
 544                 elif [ "${LOOPTYPE}" = 'sgimips' ]
 545                 then
 546                         # getdvhoff finds the starting offset (in bytes) of the squashfs
 547                         # partition on the cdrom and returns this offset for losetup
 548                         #
 549                         # All currently supported SGI Systems use SCSI CD-ROMs, so
 550                         # so we know that the CD-ROM is usually going to be /dev/sr0.
 551                         #
 552                         # We use the value given to losetup to set /dev/loop0 to point
 553                         # to the liveCD root partition, and then mount /dev/loop0 as
 554                         # the LiveCD rootfs
 555                         good_msg 'Locating the SGI LiveCD Root Partition'
 556                         echo ' ' | \
 557                                 losetup -o $(getdvhoff "${NEW_ROOT}${REAL_ROOT}" 0) \
 558                                         "${NEW_ROOT}${CDROOT_DEV}" \
 559                                         "${NEW_ROOT}${REAL_ROOT}"
 560                         test_success 'losetup /dev/sr0 /dev/loop0'
 561
 562                         good_msg 'Mounting the Root Partition'
 563                         mount -t squashfs -o ro "${NEW_ROOT}${CDROOT_DEV}" "${NEW_ROOT}/mnt/livecd"
 564                         test_success 'mount /dev/loop0 /'
 565                         FS_LOCATION='mnt/livecd'
 566                 fi
 567         fi
 568
 569
 570
 571         # Unpacking additional packages from NFS mount
 572         # This is useful for adding kernel modules to /lib
 573         # We do this now, so that additional packages can add whereever they want.
 574         if [ "${REAL_ROOT}" = '/dev/nfs' ]
 575         then
 576                 if [ -e "${NEW_ROOT}/mnt/cdrom/add" ]
 577                 then
 578                                 for targz in `ls ${NEW_ROOT}/mnt/cdrom/add/*.tar.gz`
 579                                 do
 580                                         tarname=`basename ${targz}`
 581                                         good_msg "Adding additional package ${tarname}"
 582                                         (cd ${NEW_ROOT} ; /bin/tar -xzf ${targz})
 583                                 done
 584                 fi
 585         fi
 586
 587
 588         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
 589         then
 590                 setup_unionfs ${NEW_ROOT} ${NEW_ROOT}/${FS_LOCATION}
 591                 CHROOT=/union
 592         else
 593
 594         good_msg "Copying read-write image contents to tmpfs"
 595         # Copy over stuff that should be writable
 596         (cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}")
 597
 598         # Now we do the links.
 599         for x in ${ROOT_LINKS}
 600         do
 601                 if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}" ]
 602                 then
 603                         ln -s "`readlink ${NEW_ROOT}/${FS_LOCATION}/${x}`" "${x}" 2>/dev/null
 604                 else
 605                         # List all subdirectories of x
 606                         find "${NEW_ROOT}/${FS_LOCATION}/${x}" -type d 2>/dev/null | while read directory
 607                         do
 608                                 # Strip the prefix of the FS_LOCATION
 609                                 directory="${directory#${NEW_ROOT}/${FS_LOCATION}/}"
 610
 611                                 # Skip this directory if we already linked a parent directory
 612                                 if [ "${curent_parrent}" != '' ]; then
 613                                         var=`echo "${directory}" | grep "^${curent_parrent}"`
 614                                         if [ "${var}" != '' ]; then
 615                                                 continue
 616                                         fi
 617                                 fi
 618                                 # Test if the directory exists already
 619                                 if [ -e "/${NEW_ROOT}/${directory}" ]
 620                                 then
 621                                         # It does exist, link all the individual files
 622                                         for file in `ls /${NEW_ROOT}/${FS_LOCATION}/${directory}`
 623                                         do
 624                                         if [ ! -d "/${NEW_ROOT}/${FS_LOCATION}/${directory}/${file}" ] && [ ! -e "${NEW_ROOT}/${directory}/${file}" ]; then
 625                                                         ln -s "/${FS_LOCATION}/${directory}/${file}" "${directory}/${file}" 2> /dev/null
 626                                                 fi
 627                                         done
 628                                 else
 629                                         # It does not exist, make a link to the livecd
 630                                         ln -s "/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
 631                                         current_parent="${directory}"
 632                                 fi
 633                         done
 634                 fi
 635         done
 636
 637         if [ "${DO_slowusb}" ] || [ "${FORCE_slowusb}" ]
 638         then
 639                 sleep 10
 640         fi
 641         mkdir initramfs proc tmp sys 2>/dev/null
 642         chmod 1777 tmp
 643
 644         fi
 645
 646         #UML=`cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||'`
 647         #if [ "${UML}" = 'UML' ]
 648         #then
 649         #       # UML Fixes
 650         #       good_msg 'Updating for uml system'
 651         #fi
 652
 653         # Let Init scripts know that we booted from CD
 654         export CDBOOT
 655         CDBOOT=1
 656         check_slowusb
 657         if [ "${DO_slowusb}" ] || [ "${FORCE_slowusb}" ]
 658         then
 659                 sleep 10
 660         fi
 661 else
 662         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
 663         then
 664                 mkdir /union_changes
 665                 mount -t tmpfs tmpfs /union_changes
 666                 setup_unionfs /union_changes ${NEW_ROOT}
 667                 mkdir -p ${UNION}/tmp/.initrd
 668         fi
 669 fi
 670
 671 # Execute script on the cdrom just before boot to update things if necessary
 672 cdupdate
 673
 674 if [ "${SUBDIR}" != '' -a -e "${CHROOT}/${SUBDIR}" ]
 675 then
 676         good_msg "Entering ${SUBDIR} to boot"
 677         CHROOT="${CHROOT}/${SUBDIR}"
 678 fi
 679
 680 verbose_kmsg
 681
 682 echo -ne "${GOOD}>>${NORMAL}${BOLD} Booting (initramfs)${NORMAL}"
 683 if [ ! -e "${CHROOT}/dev/console" ] || [ ! -e "${CHROOT}/dev/null" ]
 684 then
 685         echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing files required to boot (console and null)${NORMAL}"
 686 elif [ -e /etc/initrd.splash -a ! -e "${CHROOT}/dev/tty1" ]
 687 then
 688         echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing tty1, which is required for splash${NORMAL}"
 689 fi
 690
 691 cd "${CHROOT}"
 692 mkdir "${CHROOT}/proc" "${CHROOT}/sys" 2>/dev/null
 693 echo -ne "${BOLD}.${NORMAL}"
 694 umount /sys || echo '*: Failed to unmount the ramdisk /sys!'
 695 umount /proc || echo '*: Failed to unmount the ramdisk /proc!'
 696 echo -e "${BOLD}.${NORMAL}"
 697
 698 exec /sbin/switch_root -c "/dev/console" "${CHROOT}" "${REAL_INIT:-/sbin/init}" "${INIT_OPTS}"
 699
 700 # If we get here, something bad has happened
 701 splash 'verbose'
 702
 703 echo 'A fatal error has probably occured since /sbin/init did not'
 704 echo 'boot correctly. Trying to open a shell...'
 705 echo
 706 exec /bin/bash
 707 exec /bin/sh
 708 exec /bin/ash
 709 exec sh