gen_initramfs.sh

   1 #!/bin/bash
   2 # $Id$
   3
   4 CPIO_ARGS="--quiet -o -H newc"
   5
   6 copy_binaries() {
   7         local destdir=$1
   8         shift
   9         lddtree "$@" \
  10                 | tr ')(' '\n' \
  11                 | awk  '/=>/{ if($3 ~ /^\//){print $3}}' \
  12                 | sort \
  13                 | uniq \
  14                 | cpio -p --make-directories --dereference --quiet $destdir
  15
  16 }
  17
  18 append_base_layout() {
  19         if [ -d "${TEMP}/initramfs-base-temp" ]
  20         then
  21                 rm -rf "${TEMP}/initramfs-base-temp" > /dev/null
  22         fi
  23
  24         mkdir -p ${TEMP}/initramfs-base-temp/dev
  25         mkdir -p ${TEMP}/initramfs-base-temp/bin
  26         mkdir -p ${TEMP}/initramfs-base-temp/etc
  27         mkdir -p ${TEMP}/initramfs-base-temp/usr
  28         mkdir -p ${TEMP}/initramfs-base-temp/lib
  29         mkdir -p ${TEMP}/initramfs-base-temp/mnt
  30         mkdir -p ${TEMP}/initramfs-base-temp/run
  31         mkdir -p ${TEMP}/initramfs-base-temp/sbin
  32         mkdir -p ${TEMP}/initramfs-base-temp/proc
  33         mkdir -p ${TEMP}/initramfs-base-temp/temp
  34         mkdir -p ${TEMP}/initramfs-base-temp/tmp
  35         mkdir -p ${TEMP}/initramfs-base-temp/sys
  36         mkdir -p ${TEMP}/initramfs-temp/.initrd
  37         mkdir -p ${TEMP}/initramfs-base-temp/var/lock/dmraid
  38         mkdir -p ${TEMP}/initramfs-base-temp/sbin
  39         mkdir -p ${TEMP}/initramfs-base-temp/usr/bin
  40         mkdir -p ${TEMP}/initramfs-base-temp/usr/sbin
  41         ln -s  lib  ${TEMP}/initramfs-base-temp/lib64
  42
  43         echo "/dev/ram0     /           ext2    defaults        0 0" > ${TEMP}/initramfs-base-temp/etc/fstab
  44         echo "proc          /proc       proc    defaults    0 0" >> ${TEMP}/initramfs-base-temp/etc/fstab
  45
  46         cd ${TEMP}/initramfs-base-temp/dev
  47         mknod -m 660 console c 5 1
  48         mknod -m 660 null c 1 3
  49         mknod -m 660 zero c 1 5
  50         mknod -m 600 tty0 c 4 0
  51         mknod -m 600 tty1 c 4 1
  52         mknod -m 600 ttyS0 c 4 64
  53
  54         date -u '+%Y%m%d-%H%M%S' > ${TEMP}/initramfs-base-temp/etc/build_date
  55
  56         cd "${TEMP}/initramfs-base-temp/"
  57         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
  58                         || gen_die "compressing baselayout cpio"
  59         cd "${TEMP}"
  60         rm -rf "${TEMP}/initramfs-base-temp" > /dev/null
  61 }
  62
  63 append_busybox() {
  64         if [ -d "${TEMP}/initramfs-busybox-temp" ]
  65         then
  66                 rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
  67         fi
  68
  69         mkdir -p "${TEMP}/initramfs-busybox-temp/bin/"
  70         tar -xjf "${BUSYBOX_BINCACHE}" -C "${TEMP}/initramfs-busybox-temp/bin" busybox ||
  71                 gen_die 'Could not extract busybox bincache!'
  72         chmod +x "${TEMP}/initramfs-busybox-temp/bin/busybox"
  73
  74         mkdir -p "${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/"
  75         cp "${GK_SHARE}/defaults/udhcpc.scripts" ${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/default.script
  76         chmod +x "${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/default.script"
  77
  78         # Set up a few default symlinks
  79         for i in ${BUSYBOX_APPLETS:-[ ash sh mount uname echo cut cat}; do
  80                 rm -f ${TEMP}/initramfs-busybox-temp/bin/$i > /dev/null
  81                 ln -s busybox ${TEMP}/initramfs-busybox-temp/bin/$i ||
  82                         gen_die "Busybox error: could not link ${i}!"
  83         done
  84
  85         cd "${TEMP}/initramfs-busybox-temp/"
  86         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
  87                         || gen_die "compressing busybox cpio"
  88         cd "${TEMP}"
  89         rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
  90 }
  91
  92 append_blkid(){
  93         if [ -d "${TEMP}/initramfs-blkid-temp" ]
  94         then
  95                 rm -r "${TEMP}/initramfs-blkid-temp/"
  96         fi
  97         cd ${TEMP}
  98         mkdir -p "${TEMP}/initramfs-blkid-temp/sbin/"
  99         [ "${DISKLABEL}" = '1' ] && { /bin/bzip2 -dc "${BLKID_BINCACHE}" > "${TEMP}/initramfs-blkid-temp/sbin/blkid" ||
 100                 gen_die "Could not extract blkid binary cache!"; }
 101         chmod a+x "${TEMP}/initramfs-blkid-temp/sbin/blkid"
 102         cd "${TEMP}/initramfs-blkid-temp/"
 103         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 104                         || gen_die "compressing blkid cpio"
 105         cd "${TEMP}"
 106         rm -rf "${TEMP}/initramfs-blkid-temp" > /dev/null
 107 }
 108
 109 #append_fuse() {
 110 #       if [ -d "${TEMP}/initramfs-fuse-temp" ]
 111 #       then
 112 #               rm -r "${TEMP}/initramfs-fuse-temp"
 113 #       fi
 114 #       cd ${TEMP}
 115 #       mkdir -p "${TEMP}/initramfs-fuse-temp/lib/"
 116 #       tar -C "${TEMP}/initramfs-fuse-temp/lib/" -xjf "${FUSE_BINCACHE}"
 117 #       cd "${TEMP}/initramfs-fuse-temp/"
 118 #       find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 119 #                       || gen_die "compressing fuse cpio"
 120 #       rm -rf "${TEMP}/initramfs-fuse-temp" > /dev/null
 121 #}
 122
 123 append_unionfs_fuse() {
 124         if [ -d "${TEMP}/initramfs-unionfs-fuse-temp" ]
 125         then
 126                 rm -r "${TEMP}/initramfs-unionfs-fuse-temp"
 127         fi
 128         cd ${TEMP}
 129         mkdir -p "${TEMP}/initramfs-unionfs-fuse-temp/sbin/"
 130         bzip2 -dc "${UNIONFS_FUSE_BINCACHE}" > "${TEMP}/initramfs-unionfs-fuse-temp/sbin/unionfs" ||
 131                 gen_die 'Could not extract unionfs-fuse binary cache!'
 132         chmod a+x "${TEMP}/initramfs-unionfs-fuse-temp/sbin/unionfs"
 133         cd "${TEMP}/initramfs-unionfs-fuse-temp/"
 134         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 135                         || gen_die "compressing unionfs fuse cpio"
 136         cd "${TEMP}"
 137         rm -rf "${TEMP}/initramfs-unionfs-fuse-temp" > /dev/null
 138 }
 139
 140 #append_suspend(){
 141 #       if [ -d "${TEMP}/initramfs-suspend-temp" ];
 142 #       then
 143 #               rm -r "${TEMP}/initramfs-suspend-temp/"
 144 #       fi
 145 #       print_info 1 'SUSPEND: Adding support (compiling binaries)...'
 146 #       compile_suspend
 147 #       mkdir -p "${TEMP}/initramfs-suspend-temp/"
 148 #       /bin/tar -jxpf "${SUSPEND_BINCACHE}" -C "${TEMP}/initramfs-suspend-temp" ||
 149 #               gen_die "Could not extract suspend binary cache!"
 150 #       mkdir -p "${TEMP}/initramfs-suspend-temp/etc"
 151 #       cp -f /etc/suspend.conf "${TEMP}/initramfs-suspend-temp/etc" ||
 152 #               gen_die 'Could not copy /etc/suspend.conf'
 153 #       cd "${TEMP}/initramfs-suspend-temp/"
 154 #       find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 155 #                       || gen_die "compressing suspend cpio"
 156 #       rm -r "${TEMP}/initramfs-suspend-temp/"
 157 #}
 158
 159 append_multipath(){
 160         if [ -d "${TEMP}/initramfs-multipath-temp" ]
 161         then
 162                 rm -r "${TEMP}/initramfs-multipath-temp"
 163         fi
 164         print_info 1 '  Multipath support being added'
 165         mkdir -p "${TEMP}"/initramfs-multipath-temp/{bin,etc,sbin,lib}/
 166
 167         # Copy files
 168         copy_binaries "${TEMP}/initramfs-multipath-temp" /sbin/{multipath,kpartx,mpath_prio_*,devmap_name,dmsetup} /lib64/udev/scsi_id /bin/mountpoint
 169
 170         if [ -x /sbin/multipath ]
 171         then
 172                 cp /etc/multipath.conf "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy /etc/multipath.conf please check this'
 173         fi
 174         # /etc/scsi_id.config does not exist in newer udevs
 175         # copy it optionally.
 176         if [ -x /sbin/scsi_id -a -f /etc/scsi_id.config ]
 177         then
 178                 cp /etc/scsi_id.config "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy scsi_id.config'
 179         fi
 180         cd "${TEMP}/initramfs-multipath-temp"
 181         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 182                         || gen_die "compressing multipath cpio"
 183         cd "${TEMP}"
 184         rm -r "${TEMP}/initramfs-multipath-temp/"
 185 }
 186
 187 append_dmraid(){
 188         if [ -d "${TEMP}/initramfs-dmraid-temp" ]
 189         then
 190                 rm -r "${TEMP}/initramfs-dmraid-temp/"
 191         fi
 192         print_info 1 'DMRAID: Adding support (compiling binaries)...'
 193         compile_dmraid
 194         mkdir -p "${TEMP}/initramfs-dmraid-temp/"
 195         /bin/tar -jxpf "${DMRAID_BINCACHE}" -C "${TEMP}/initramfs-dmraid-temp" ||
 196                 gen_die "Could not extract dmraid binary cache!";
 197         cd "${TEMP}/initramfs-dmraid-temp/"
 198         RAID456=`find . -type f -name raid456.ko`
 199         if [ -n "${RAID456}" ]
 200         then
 201                 cd "${RAID456/raid456.ko/}"
 202                 ln -sf raid456.kp raid45.ko
 203                 cd "${TEMP}/initramfs-dmraid-temp/"
 204         fi
 205         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 206                         || gen_die "compressing dmraid cpio"
 207         cd "${TEMP}"
 208         rm -r "${TEMP}/initramfs-dmraid-temp/"
 209 }
 210
 211 append_iscsi(){
 212         if [ -d "${TEMP}/initramfs-iscsi-temp" ]
 213         then
 214                 rm -r "${TEMP}/initramfs-iscsi-temp/"
 215         fi
 216         print_info 1 'iSCSI: Adding support (compiling binaries)...'
 217         compile_iscsi
 218         cd ${TEMP}
 219         mkdir -p "${TEMP}/initramfs-iscsi-temp/bin/"
 220         /bin/bzip2 -dc "${ISCSI_BINCACHE}" > "${TEMP}/initramfs-iscsi-temp/bin/iscsistart" ||
 221                 gen_die "Could not extract iscsi binary cache!"
 222         chmod a+x "${TEMP}/initramfs-iscsi-temp/bin/iscsistart"
 223         cd "${TEMP}/initramfs-iscsi-temp/"
 224         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 225                         || gen_die "compressing iscsi cpio"
 226         cd "${TEMP}"
 227         rm -rf "${TEMP}/initramfs-iscsi-temp" > /dev/null
 228 }
 229
 230 append_lvm(){
 231         if [ -d "${TEMP}/initramfs-lvm-temp" ]
 232         then
 233                 rm -r "${TEMP}/initramfs-lvm-temp/"
 234         fi
 235         cd ${TEMP}
 236         mkdir -p "${TEMP}/initramfs-lvm-temp/bin/"
 237         mkdir -p "${TEMP}/initramfs-lvm-temp/etc/lvm/"
 238         if false && [ -e '/sbin/lvm.static' ]
 239         then
 240                 print_info 1 '          LVM: Adding support (using local static binary /sbin/lvm.static)...'
 241                 cp /sbin/lvm.static "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
 242                         gen_die 'Could not copy over lvm!'
 243                 # See bug 382555
 244                 if [ -e '/sbin/dmsetup.static' ]
 245                 then
 246                         cp /sbin/dmsetup.static "${TEMP}/initramfs-lvm-temp/bin/dmsetup"
 247                 fi
 248         elif false && [ -e '/sbin/lvm' ] && LC_ALL="C" ldd /sbin/lvm|grep -q 'not a dynamic executable'
 249         then
 250                 print_info 1 '          LVM: Adding support (using local static binary /sbin/lvm)...'
 251                 cp /sbin/lvm "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
 252                         gen_die 'Could not copy over lvm!'
 253                 # See bug 382555
 254                 if [ -e '/sbin/dmsetup' ] && LC_ALL="C" ldd /sbin/dmsetup | grep -q 'not a dynamic executable'
 255                 then
 256                         cp /sbin/dmsetup "${TEMP}/initramfs-lvm-temp/bin/dmsetup"
 257                 fi
 258         else
 259                 print_info 1 '          LVM: Adding support (compiling binaries)...'
 260                 compile_lvm
 261                 /bin/tar -jxpf "${LVM_BINCACHE}" -C "${TEMP}/initramfs-lvm-temp" ||
 262                         gen_die "Could not extract lvm binary cache!";
 263                 mv ${TEMP}/initramfs-lvm-temp/sbin/lvm.static ${TEMP}/initramfs-lvm-temp/bin/lvm ||
 264                         gen_die 'LVM error: Could not move lvm.static to lvm!'
 265                 # See bug 382555
 266                 mv ${TEMP}/initramfs-lvm-temp/sbin/dmsetup.static ${TEMP}/initramfs-lvm-temp/bin/dmsetup ||
 267                         gen_die 'LVM error: Could not move dmsetup.static to dmsetup!'
 268                 rm -rf  ${TEMP}/initramfs-lvm-temp/{lib,share,man,include,sbin/{lvm,dmsetup}}
 269         fi
 270         if [ -x /sbin/lvm ]
 271         then
 272 #               lvm dumpconfig 2>&1 > /dev/null || gen_die 'Could not copy over lvm.conf!'
 273 #               ret=$?
 274 #               if [ ${ret} != 0 ]
 275 #               then
 276                         cp /etc/lvm/lvm.conf "${TEMP}/initramfs-lvm-temp/etc/lvm/" ||
 277                                 gen_die 'Could not copy over lvm.conf!'
 278 #               else
 279 #                       gen_die 'Could not copy over lvm.conf!'
 280 #               fi
 281         fi
 282         cd "${TEMP}/initramfs-lvm-temp/"
 283         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 284                         || gen_die "compressing lvm cpio"
 285         cd "${TEMP}"
 286         rm -r "${TEMP}/initramfs-lvm-temp/"
 287 }
 288
 289 append_mdadm(){
 290         if [ -d "${TEMP}/initramfs-mdadm-temp" ]
 291         then
 292                 rm -r "${TEMP}/initramfs-mdadm-temp/"
 293         fi
 294         cd ${TEMP}
 295         mkdir -p "${TEMP}/initramfs-mdadm-temp/etc/"
 296         mkdir -p "${TEMP}/initramfs-mdadm-temp/sbin/"
 297         if [ "${MDADM}" = '1' ]
 298         then
 299                 if [ -n "${MDADM_CONFIG}" ]
 300                 then
 301                         if [ -f "${MDADM_CONFIG}" ]
 302                         then
 303                                 cp -a "${MDADM_CONFIG}" "${TEMP}/initramfs-mdadm-temp/etc/mdadm.conf" \
 304                                 || gen_die "Could not copy mdadm.conf!"
 305                         else
 306                                 gen_die 'sl${MDADM_CONFIG} does not exist!'
 307                         fi
 308                 else
 309                         print_info 1 '          MDADM: Skipping inclusion of mdadm.conf'
 310                 fi
 311
 312                 if [ -e '/sbin/mdadm' ] && LC_ALL="C" ldd /sbin/mdadm | grep -q 'not a dynamic executable' \
 313                 && [ -e '/sbin/mdmon' ] && LC_ALL="C" ldd /sbin/mdmon | grep -q 'not a dynamic executable'
 314                 then
 315                         print_info 1 '          MDADM: Adding support (using local static binaries /sbin/mdadm and /sbin/mdmon)...'
 316                         cp /sbin/mdadm /sbin/mdmon "${TEMP}/initramfs-mdadm-temp/sbin/" ||
 317                                 gen_die 'Could not copy over mdadm!'
 318                 else
 319                         print_info 1 '          MDADM: Adding support (compiling binaries)...'
 320                         compile_mdadm
 321                         /bin/tar -jxpf "${MDADM_BINCACHE}" -C "${TEMP}/initramfs-mdadm-temp" ||
 322                                 gen_die "Could not extract mdadm binary cache!";
 323                 fi
 324         fi
 325         cd "${TEMP}/initramfs-mdadm-temp/"
 326         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 327                         || gen_die "compressing mdadm cpio"
 328         cd "${TEMP}"
 329         rm -rf "${TEMP}/initramfs-mdadm-temp" > /dev/null
 330 }
 331
 332 append_zfs(){
 333         if [ -d "${TEMP}/initramfs-zfs-temp" ]
 334         then
 335                 rm -r "${TEMP}/initramfs-zfs-temp"
 336         fi
 337
 338         mkdir -p "${TEMP}/initramfs-zfs-temp/etc/zfs/"
 339
 340         # Copy files to /etc/zfs
 341         for i in /etc/zfs/{zdev.conf,zpool.cache}
 342         do
 343                 cp -a "${i}" "${TEMP}/initramfs-zfs-temp/etc/zfs" \
 344                         || gen_die "Could not copy file ${i} for ZFS"
 345         done
 346
 347         # Copy binaries
 348         copy_binaries "${TEMP}/initramfs-zfs-temp" /sbin/{mount.zfs,zfs,zpool}
 349
 350         cd "${TEMP}/initramfs-zfs-temp/"
 351         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 352                         || gen_die "compressing zfs cpio"
 353         cd "${TEMP}"
 354         rm -rf "${TEMP}/initramfs-zfs-temp" > /dev/null
 355 }
 356
 357 append_splash(){
 358         splash_geninitramfs=`which splash_geninitramfs 2>/dev/null`
 359         if [ -x "${splash_geninitramfs}" ]
 360         then
 361                 [ -z "${SPLASH_THEME}" ] && [ -e /etc/conf.d/splash ] && source /etc/conf.d/splash
 362                 [ -z "${SPLASH_THEME}" ] && SPLASH_THEME=default
 363                 print_info 1 "  >> Installing splash [ using the ${SPLASH_THEME} theme ]..."
 364                 if [ -d "${TEMP}/initramfs-splash-temp" ]
 365                 then
 366                         rm -r "${TEMP}/initramfs-splash-temp/"
 367                 fi
 368                 mkdir -p "${TEMP}/initramfs-splash-temp"
 369                 cd /
 370                 local tmp=""
 371                 [ -n "${SPLASH_RES}" ] && tmp="-r ${SPLASH_RES}"
 372                 splash_geninitramfs -c "${TEMP}/initramfs-splash-temp" ${tmp} ${SPLASH_THEME} || gen_die "Could not build splash cpio archive"
 373                 if [ -e "/usr/share/splashutils/initrd.splash" ]; then
 374                         mkdir -p "${TEMP}/initramfs-splash-temp/etc"
 375                         cp -f "/usr/share/splashutils/initrd.splash" "${TEMP}/initramfs-splash-temp/etc"
 376                 fi
 377                 cd "${TEMP}/initramfs-splash-temp/"
 378                 find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 379                         || gen_die "compressing splash cpio"
 380                 cd "${TEMP}"
 381                 rm -r "${TEMP}/initramfs-splash-temp/"
 382         else
 383                 print_warning 1 '               >> No splash detected; skipping!'
 384         fi
 385 }
 386
 387 append_overlay(){
 388         cd ${INITRAMFS_OVERLAY}
 389         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 390                         || gen_die "compressing overlay cpio"
 391 }
 392
 393 append_luks() {
 394         local _luks_error_format="LUKS support cannot be included: %s.  Please emerge sys-fs/cryptsetup[static]."
 395         local _luks_source=/sbin/cryptsetup
 396         local _luks_dest=/sbin/cryptsetup
 397
 398         if [ -d "${TEMP}/initramfs-luks-temp" ]
 399         then
 400                 rm -r "${TEMP}/initramfs-luks-temp/"
 401         fi
 402
 403         mkdir -p "${TEMP}/initramfs-luks-temp/lib/luks/"
 404         mkdir -p "${TEMP}/initramfs-luks-temp/sbin"
 405         cd "${TEMP}/initramfs-luks-temp"
 406
 407         if isTrue ${LUKS}
 408         then
 409                 [ -x "${_luks_source}" ] \
 410                                 || gen_die "$(printf "${_luks_error_format}" "no file ${_luks_source}")"
 411
 412                 is_static "${_luks_source}" \
 413                                 || gen_die "$(printf "${_luks_error_format}" "${_luks_source} not a static binary")"
 414
 415                 print_info 1 "Including LUKS support"
 416                 cp "${_luks_source}" ${TEMP}/initramfs-luks-temp${_luks_dest}
 417                 chmod +x "${TEMP}/initramfs-luks-temp${_luks_dest}"
 418         fi
 419
 420         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 421                 || gen_die "appending cryptsetup to cpio"
 422
 423         cd "${TEMP}"
 424         rm -r "${TEMP}/initramfs-luks-temp/"
 425 }
 426
 427 append_firmware() {
 428         if [ -z "${FIRMWARE_FILES}" -a ! -d "${FIRMWARE_DIR}" ]
 429         then
 430                 gen_die "specified firmware directory (${FIRMWARE_DIR}) does not exist"
 431         fi
 432         if [ -d "${TEMP}/initramfs-firmware-temp" ]
 433         then
 434                 rm -r "${TEMP}/initramfs-firmware-temp/"
 435         fi
 436         mkdir -p "${TEMP}/initramfs-firmware-temp/lib/firmware"
 437         cd "${TEMP}/initramfs-firmware-temp"
 438         if [ -n "${FIRMWARE_FILES}" ]
 439         then
 440                 OLD_IFS=$IFS
 441                 IFS=","
 442                 for i in ${FIRMWARE_FILES}
 443                 do
 444                         cp -L "${i}" ${TEMP}/initramfs-firmware-temp/lib/firmware/
 445                 done
 446                 IFS=$OLD_IFS
 447         else
 448                 cp -a "${FIRMWARE_DIR}"/* ${TEMP}/initramfs-firmware-temp/lib/firmware/
 449         fi
 450         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 451                 || gen_die "appending firmware to cpio"
 452         cd "${TEMP}"
 453         rm -r "${TEMP}/initramfs-firmware-temp/"
 454 }
 455
 456 append_gpg() {
 457         if [ -d "${TEMP}/initramfs-gpg-temp" ]
 458         then
 459                 rm -r "${TEMP}/initramfs-gpg-temp"
 460         fi
 461         cd ${TEMP}
 462         mkdir -p "${TEMP}/initramfs-gpg-temp/sbin/"
 463         if [ ! -e ${GPG_BINCACHE} ] ; then
 464                 print_info 1 '          GPG: Adding support (compiling binaries)...'
 465                 compile_gpg
 466         fi
 467         bzip2 -dc "${GPG_BINCACHE}" > "${TEMP}/initramfs-gpg-temp/sbin/gpg" ||
 468                 gen_die 'Could not extract gpg binary cache!'
 469         chmod a+x "${TEMP}/initramfs-gpg-temp/sbin/gpg"
 470         cd "${TEMP}/initramfs-gpg-temp/"
 471         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
 472         rm -rf "${TEMP}/initramfs-gpg-temp" > /dev/null
 473 }
 474
 475 print_list()
 476 {
 477         local x
 478         for x in ${*}
 479         do
 480                 echo ${x}
 481         done
 482 }
 483
 484 append_modules() {
 485         local group
 486         local group_modules
 487         local MOD_EXT=".ko"
 488
 489         print_info 2 "initramfs: >> Searching for modules..."
 490         if [ "${INSTALL_MOD_PATH}" != '' ]
 491         then
 492           cd ${INSTALL_MOD_PATH}
 493         else
 494           cd /
 495         fi
 496
 497         if [ -d "${TEMP}/initramfs-modules-${KV}-temp" ]
 498         then
 499                 rm -r "${TEMP}/initramfs-modules-${KV}-temp/"
 500         fi
 501         mkdir -p "${TEMP}/initramfs-modules-${KV}-temp/lib/modules/${KV}"
 502         for i in `gen_dep_list`
 503         do
 504                 mymod=`find ./lib/modules/${KV} -name "${i}${MOD_EXT}" 2>/dev/null| head -n 1 `
 505                 if [ -z "${mymod}" ]
 506                 then
 507                         print_warning 2 "Warning :: ${i}${MOD_EXT} not found; skipping..."
 508                         continue;
 509                 fi
 510
 511                 print_info 2 "initramfs: >> Copying ${i}${MOD_EXT}..."
 512                 cp -ax --parents "${mymod}" "${TEMP}/initramfs-modules-${KV}-temp"
 513         done
 514
 515         cp -ax --parents ./lib/modules/${KV}/modules* ${TEMP}/initramfs-modules-${KV}-temp 2>/dev/null
 516
 517         mkdir -p "${TEMP}/initramfs-modules-${KV}-temp/etc/modules"
 518         for group_modules in ${!MODULES_*}; do
 519                 group="$(echo $group_modules | cut -d_ -f2 | tr "[:upper:]" "[:lower:]")"
 520                 print_list ${!group_modules} > "${TEMP}/initramfs-modules-${KV}-temp/etc/modules/${group}"
 521         done
 522         cd "${TEMP}/initramfs-modules-${KV}-temp/"
 523         find . | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 524                         || gen_die "compressing modules cpio"
 525         cd "${TEMP}"
 526         rm -r "${TEMP}/initramfs-modules-${KV}-temp/"
 527 }
 528
 529 # check for static linked file with objdump
 530 is_static() {
 531         LANG="C" LC_ALL="C" objdump -T $1 2>&1 | grep "not a dynamic object" > /dev/null
 532         return $?
 533 }
 534
 535 append_auxilary() {
 536         if [ -d "${TEMP}/initramfs-aux-temp" ]
 537         then
 538                 rm -r "${TEMP}/initramfs-aux-temp/"
 539         fi
 540         mkdir -p "${TEMP}/initramfs-aux-temp/etc"
 541         mkdir -p "${TEMP}/initramfs-aux-temp/sbin"
 542         if [ -f "${CMD_LINUXRC}" ]
 543         then
 544                 cp "${CMD_LINUXRC}" "${TEMP}/initramfs-aux-temp/init"
 545                 print_info 2 "        >> Copying user specified linuxrc: ${CMD_LINUXRC} to init"
 546         else
 547                 if isTrue ${NETBOOT}
 548                 then
 549                         cp "${GK_SHARE}/netboot/linuxrc.x" "${TEMP}/initramfs-aux-temp/init"
 550                 else
 551                         if [ -f "${GK_SHARE}/arch/${ARCH}/linuxrc" ]
 552                         then
 553                                 cp "${GK_SHARE}/arch/${ARCH}/linuxrc" "${TEMP}/initramfs-aux-temp/init"
 554                         else
 555                                 cp "${GK_SHARE}/defaults/linuxrc" "${TEMP}/initramfs-aux-temp/init"
 556                         fi
 557                 fi
 558         fi
 559
 560         # Make sure it's executable
 561         chmod 0755 "${TEMP}/initramfs-aux-temp/init"
 562
 563         # Make a symlink to init .. incase we are bundled inside the kernel as one
 564         # big cpio.
 565         cd ${TEMP}/initramfs-aux-temp
 566         ln -s init linuxrc
 567 #       ln ${TEMP}/initramfs-aux-temp/init ${TEMP}/initramfs-aux-temp/linuxrc
 568
 569         if [ -f "${GK_SHARE}/arch/${ARCH}/initrd.scripts" ]
 570         then
 571                 cp "${GK_SHARE}/arch/${ARCH}/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
 572         else
 573                 cp "${GK_SHARE}/defaults/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
 574         fi
 575
 576         if [ -f "${GK_SHARE}/arch/${ARCH}/initrd.defaults" ]
 577         then
 578                 cp "${GK_SHARE}/arch/${ARCH}/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 579         else
 580                 cp "${GK_SHARE}/defaults/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 581         fi
 582
 583         if [ -n "${REAL_ROOT}" ]
 584         then
 585                 sed -i "s:^REAL_ROOT=.*$:REAL_ROOT='${REAL_ROOT}':" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 586         fi
 587
 588         echo -n 'HWOPTS="$HWOPTS ' >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 589         for group_modules in ${!MODULES_*}; do
 590                 group="$(echo $group_modules | cut -d_ -f2 | tr "[:upper:]" "[:lower:]")"
 591                 echo -n "${group} " >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 592         done
 593         echo '"' >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 594
 595         if [ -f "${GK_SHARE}/arch/${ARCH}/modprobe" ]
 596         then
 597                 cp "${GK_SHARE}/arch/${ARCH}/modprobe" "${TEMP}/initramfs-aux-temp/sbin/modprobe"
 598         else
 599                 cp "${GK_SHARE}/defaults/modprobe" "${TEMP}/initramfs-aux-temp/sbin/modprobe"
 600         fi
 601         if isTrue $CMD_DOKEYMAPAUTO
 602         then
 603                 echo 'MY_HWOPTS="${MY_HWOPTS} keymap"' >> ${TEMP}/initramfs-aux-temp/etc/initrd.defaults
 604         fi
 605         if isTrue $CMD_KEYMAP
 606         then
 607                 mkdir -p "${TEMP}/initramfs-aux-temp/lib/keymaps"
 608                 /bin/tar -C "${TEMP}/initramfs-aux-temp/lib/keymaps" -zxf "${GK_SHARE}/defaults/keymaps.tar.gz"
 609         fi
 610
 611         cd ${TEMP}/initramfs-aux-temp/sbin && ln -s ../init init
 612         cd ${TEMP}
 613         chmod +x "${TEMP}/initramfs-aux-temp/init"
 614         chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
 615         chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 616         chmod +x "${TEMP}/initramfs-aux-temp/sbin/modprobe"
 617
 618         if isTrue ${NETBOOT}
 619         then
 620                 cd "${GK_SHARE}/netboot/misc"
 621                 cp -pPRf * "${TEMP}/initramfs-aux-temp/"
 622         fi
 623
 624         cd "${TEMP}/initramfs-aux-temp/"
 625         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 626                         || gen_die "compressing auxilary cpio"
 627         cd "${TEMP}"
 628         rm -r "${TEMP}/initramfs-aux-temp/"
 629 }
 630
 631 append_data() {
 632         local name=$1 var=$2
 633         local func="append_${name}"
 634
 635         [ $# -eq 0 ] && gen_die "append_data() called with zero arguments"
 636         if [ $# -eq 1 ] || isTrue ${var}
 637         then
 638             print_info 1 "        >> Appending ${name} cpio data..."
 639             ${func} || gen_die "${func}() failed"
 640         fi
 641 }
 642
 643 create_initramfs() {
 644         local compress_ext=""
 645         print_info 1 "initramfs: >> Initializing..."
 646
 647         # Create empty cpio
 648         CPIO="${TMPDIR}/initramfs-${KV}"
 649         echo | cpio ${CPIO_ARGS} -F "${CPIO}" 2>/dev/null \
 650                 || gen_die "Could not create empty cpio at ${CPIO}"
 651
 652         append_data 'base_layout'
 653         append_data 'auxilary' "${BUSYBOX}"
 654         append_data 'busybox' "${BUSYBOX}"
 655         append_data 'lvm' "${LVM}"
 656         append_data 'dmraid' "${DMRAID}"
 657         append_data 'iscsi' "${ISCSI}"
 658         append_data 'mdadm' "${MDADM}"
 659         append_data 'luks' "${LUKS}"
 660         append_data 'multipath' "${MULTIPATH}"
 661         append_data 'gpg' "${GPG}"
 662
 663         if [ "${RAMDISKMODULES}" = '1' ]
 664         then
 665                 append_data 'modules'
 666         else
 667                 print_info 1 "initramfs: Not copying modules..."
 668         fi
 669
 670         append_data 'zfs' "${ZFS}"
 671
 672         append_data 'blkid' "${DISKLABEL}"
 673
 674         append_data 'unionfs_fuse' "${UNIONFS}"
 675
 676         append_data 'splash' "${SPLASH}"
 677
 678         if isTrue "${FIRMWARE}" && [ -n "${FIRMWARE_DIR}" ]
 679         then
 680                 append_data 'firmware'
 681         fi
 682
 683         # This should always be appended last
 684         if [ "${INITRAMFS_OVERLAY}" != '' ]
 685         then
 686                 append_data 'overlay'
 687         fi
 688
 689         if isTrue "${INTEGRATED_INITRAMFS}"
 690         then
 691                 # Explicitly do not compress if we are integrating into the kernel.
 692                 # The kernel will do a better job of it than us.
 693                 mv ${TMPDIR}/initramfs-${KV} ${TMPDIR}/initramfs-${KV}.cpio
 694                 sed -i '/^.*CONFIG_INITRAMFS_SOURCE=.*$/d' ${KERNEL_DIR}/.config
 695                 cat >>${KERNEL_DIR}/.config     <<-EOF
 696                 CONFIG_INITRAMFS_SOURCE="${TMPDIR}/initramfs-${KV}.cpio${compress_ext}"
 697                 CONFIG_INITRAMFS_ROOT_UID=0
 698                 CONFIG_INITRAMFS_ROOT_GID=0
 699                 EOF
 700         else
 701                 if isTrue "${COMPRESS_INITRD}"
 702                 then
 703                         cmd_xz=$(type -p xz)
 704                         cmd_lzma=$(type -p lzma)
 705                         cmd_bzip2=$(type -p bzip2)
 706                         cmd_gzip=$(type -p gzip)
 707                         cmd_lzop=$(type -p lzop)
 708                         pkg_xz='app-arch/xz-utils'
 709                         pkg_lzma='app-arch/xz-utils'
 710                         pkg_bzip2='app-arch/bzip2'
 711                         pkg_gzip='app-arch/gzip'
 712                         pkg_lzop='app-arch/lzop'
 713                         local compression
 714                         case ${COMPRESS_INITRD_TYPE} in
 715                                 xz|lzma|bzip2|gzip|lzop) compression=${COMPRESS_INITRD_TYPE} ;;
 716                                 lzo) compression=lzop ;;
 717                                 best|fastest)
 718                                         for tuple in \
 719                                                         'CONFIG_RD_XZ    cmd_xz    xz' \
 720                                                         'CONFIG_RD_LZMA  cmd_lzma  lzma' \
 721                                                         'CONFIG_RD_BZIP2 cmd_bzip2 bzip' \
 722                                                         'CONFIG_RD_GZIP  cmd_gzip  gzip' \
 723                                                         'CONFIG_RD_LZO   cmd_lzop  lzop'; do
 724                                                 set -- ${tuple}
 725                                                 kernel_option=$1
 726                                                 cmd_variable_name=$2
 727                                                 if grep -sq "^${kernel_option}=y" ${KERNEL_DIR}/.config && test -n "${!cmd_variable_name}" ; then
 728                                                         compression=$3
 729                                                         [[ ${COMPRESS_INITRD_TYPE} == best ]] && break
 730                                                 fi
 731                                         done
 732                                         ;;
 733                                 *)
 734                                         gen_die "Compression '${COMPRESS_INITRD_TYPE}' unknown"
 735                                         ;;
 736                         esac
 737
 738                         # Check for actual availability
 739                         cmd_variable_name=cmd_${compression}
 740                         pkg_variable_name=pkg_${compression}
 741                         [[ -z "${!cmd_variable_name}" ]] && gen_die "Compression '${compression}' is not available. Please install package '${!pkg_variable_name}'."
 742
 743                         case $compression in
 744                                 xz) compress_ext='.xz' compress_cmd="${cmd_xz} -e --check=none -z -f -9" ;;
 745                                 lzma) compress_ext='.lzma' compress_cmd="${cmd_lzma} -z -f -9" ;;
 746                                 bzip2) compress_ext='.bz2' compress_cmd="${cmd_bzip2} -z -f -9" ;;
 747                                 gzip) compress_ext='.gz' compress_cmd="${cmd_gzip} -f -9" ;;
 748                                 lzop) compress_ext='.lzo' compress_cmd="${cmd_lzop} -f -9" ;;
 749                         esac
 750
 751                         if [ -n "${compression}" ]; then
 752                                 print_info 1 "        >> Compressing cpio data (${compress_ext})..."
 753                                 ${compress_cmd} "${CPIO}" || gen_die "Compression (${compress_cmd}) failed"
 754                                 mv -f "${CPIO}${compress_ext}" "${CPIO}" || gen_die "Rename failed"
 755                         else
 756                                 print_info 1 "        >> Not compressing cpio data ..."
 757                         fi
 758                 fi
 759         fi
 760
 761         if isTrue "${CMD_INSTALL}"
 762         then
 763                 if ! isTrue "${INTEGRATED_INITRAMFS}"
 764                 then
 765                         copy_image_with_preserve "initramfs" \
 766                                 "${TMPDIR}/initramfs-${KV}" \
 767                                 "initramfs-${KNAME}-${ARCH}-${KV}"
 768                 fi
 769         fi
 770 }