gen_initramfs.sh

   1 #!/bin/bash
   2 # $Id$
   3
   4 CPIO_ARGS="--quiet -o -H newc"
   5
   6 # The copy_binaries function is explicitly released into the public domain to
   7 # encourage wide adoption and re-use.  That means:
   8 # - You may use the code of copy_binaries() as Public domain outside of genkernel
   9 # - Past and future changes to copy_binaries() still need to be licensable under
  10 #   <GPL v2 or later> to maintain license compatibility with genkernel itself
  11 # Written by:
  12 # - Robin H. Johnson <robbat2@gentoo.org> (complete rewrite)
  13 # - Richard Yao <ryao@cs.stonybrook.edu> (original concept)
  14 # Usage:
  15 # copy_binaries DESTDIR BINARIES...
  16 copy_binaries() {
  17         local destdir=$1
  18         shift
  19         lddtree "$@" \
  20                 | tr ')(' '\n' \
  21                 | awk  '/=>/{ if($3 ~ /^\//){print $3}}' \
  22                 | sort \
  23                 | uniq \
  24                 | cpio -p --make-directories --dereference --quiet $destdir
  25
  26 }
  27
  28 append_base_layout() {
  29         if [ -d "${TEMP}/initramfs-base-temp" ]
  30         then
  31                 rm -rf "${TEMP}/initramfs-base-temp" > /dev/null
  32         fi
  33
  34         mkdir -p ${TEMP}/initramfs-base-temp/dev
  35         mkdir -p ${TEMP}/initramfs-base-temp/bin
  36         mkdir -p ${TEMP}/initramfs-base-temp/etc
  37         mkdir -p ${TEMP}/initramfs-base-temp/usr
  38         mkdir -p ${TEMP}/initramfs-base-temp/lib
  39         mkdir -p ${TEMP}/initramfs-base-temp/mnt
  40         mkdir -p ${TEMP}/initramfs-base-temp/run
  41         mkdir -p ${TEMP}/initramfs-base-temp/sbin
  42         mkdir -p ${TEMP}/initramfs-base-temp/proc
  43         mkdir -p ${TEMP}/initramfs-base-temp/temp
  44         mkdir -p ${TEMP}/initramfs-base-temp/tmp
  45         mkdir -p ${TEMP}/initramfs-base-temp/sys
  46         mkdir -p ${TEMP}/initramfs-temp/.initrd
  47         mkdir -p ${TEMP}/initramfs-base-temp/var/lock/dmraid
  48         mkdir -p ${TEMP}/initramfs-base-temp/sbin
  49         mkdir -p ${TEMP}/initramfs-base-temp/usr/bin
  50         mkdir -p ${TEMP}/initramfs-base-temp/usr/sbin
  51         ln -s  lib  ${TEMP}/initramfs-base-temp/lib64
  52
  53         echo "/dev/ram0     /           ext2    defaults        0 0" > ${TEMP}/initramfs-base-temp/etc/fstab
  54         echo "proc          /proc       proc    defaults    0 0" >> ${TEMP}/initramfs-base-temp/etc/fstab
  55
  56         cd ${TEMP}/initramfs-base-temp/dev
  57         mknod -m 660 console c 5 1
  58         mknod -m 660 null c 1 3
  59         mknod -m 660 zero c 1 5
  60         mknod -m 600 tty0 c 4 0
  61         mknod -m 600 tty1 c 4 1
  62         mknod -m 600 ttyS0 c 4 64
  63
  64         date -u '+%Y%m%d-%H%M%S' > ${TEMP}/initramfs-base-temp/etc/build_date
  65
  66         cd "${TEMP}/initramfs-base-temp/"
  67         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
  68                         || gen_die "compressing baselayout cpio"
  69         cd "${TEMP}"
  70         rm -rf "${TEMP}/initramfs-base-temp" > /dev/null
  71 }
  72
  73 append_busybox() {
  74         if [ -d "${TEMP}/initramfs-busybox-temp" ]
  75         then
  76                 rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
  77         fi
  78
  79         mkdir -p "${TEMP}/initramfs-busybox-temp/bin/"
  80         tar -xjf "${BUSYBOX_BINCACHE}" -C "${TEMP}/initramfs-busybox-temp/bin" busybox ||
  81                 gen_die 'Could not extract busybox bincache!'
  82         chmod +x "${TEMP}/initramfs-busybox-temp/bin/busybox"
  83
  84         mkdir -p "${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/"
  85         cp "${GK_SHARE}/defaults/udhcpc.scripts" ${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/default.script
  86         chmod +x "${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/default.script"
  87
  88         # Set up a few default symlinks
  89         for i in ${BUSYBOX_APPLETS:-[ ash sh mount uname echo cut cat}; do
  90                 rm -f ${TEMP}/initramfs-busybox-temp/bin/$i > /dev/null
  91                 ln -s busybox ${TEMP}/initramfs-busybox-temp/bin/$i ||
  92                         gen_die "Busybox error: could not link ${i}!"
  93         done
  94
  95         cd "${TEMP}/initramfs-busybox-temp/"
  96         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
  97                         || gen_die "compressing busybox cpio"
  98         cd "${TEMP}"
  99         rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
 100 }
 101
 102 append_blkid(){
 103         if [ -d "${TEMP}/initramfs-blkid-temp" ]
 104         then
 105                 rm -r "${TEMP}/initramfs-blkid-temp/"
 106         fi
 107         cd ${TEMP}
 108         mkdir -p "${TEMP}/initramfs-blkid-temp/sbin/"
 109         [ "${DISKLABEL}" = '1' ] && { /bin/bzip2 -dc "${BLKID_BINCACHE}" > "${TEMP}/initramfs-blkid-temp/sbin/blkid" ||
 110                 gen_die "Could not extract blkid binary cache!"; }
 111         chmod a+x "${TEMP}/initramfs-blkid-temp/sbin/blkid"
 112         cd "${TEMP}/initramfs-blkid-temp/"
 113         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 114                         || gen_die "compressing blkid cpio"
 115         cd "${TEMP}"
 116         rm -rf "${TEMP}/initramfs-blkid-temp" > /dev/null
 117 }
 118
 119 #append_fuse() {
 120 #       if [ -d "${TEMP}/initramfs-fuse-temp" ]
 121 #       then
 122 #               rm -r "${TEMP}/initramfs-fuse-temp"
 123 #       fi
 124 #       cd ${TEMP}
 125 #       mkdir -p "${TEMP}/initramfs-fuse-temp/lib/"
 126 #       tar -C "${TEMP}/initramfs-fuse-temp/lib/" -xjf "${FUSE_BINCACHE}"
 127 #       cd "${TEMP}/initramfs-fuse-temp/"
 128 #       find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 129 #                       || gen_die "compressing fuse cpio"
 130 #       rm -rf "${TEMP}/initramfs-fuse-temp" > /dev/null
 131 #}
 132
 133 append_unionfs_fuse() {
 134         if [ -d "${TEMP}/initramfs-unionfs-fuse-temp" ]
 135         then
 136                 rm -r "${TEMP}/initramfs-unionfs-fuse-temp"
 137         fi
 138         cd ${TEMP}
 139         mkdir -p "${TEMP}/initramfs-unionfs-fuse-temp/sbin/"
 140         bzip2 -dc "${UNIONFS_FUSE_BINCACHE}" > "${TEMP}/initramfs-unionfs-fuse-temp/sbin/unionfs" ||
 141                 gen_die 'Could not extract unionfs-fuse binary cache!'
 142         chmod a+x "${TEMP}/initramfs-unionfs-fuse-temp/sbin/unionfs"
 143         cd "${TEMP}/initramfs-unionfs-fuse-temp/"
 144         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 145                         || gen_die "compressing unionfs fuse cpio"
 146         cd "${TEMP}"
 147         rm -rf "${TEMP}/initramfs-unionfs-fuse-temp" > /dev/null
 148 }
 149
 150 #append_suspend(){
 151 #       if [ -d "${TEMP}/initramfs-suspend-temp" ];
 152 #       then
 153 #               rm -r "${TEMP}/initramfs-suspend-temp/"
 154 #       fi
 155 #       print_info 1 'SUSPEND: Adding support (compiling binaries)...'
 156 #       compile_suspend
 157 #       mkdir -p "${TEMP}/initramfs-suspend-temp/"
 158 #       /bin/tar -jxpf "${SUSPEND_BINCACHE}" -C "${TEMP}/initramfs-suspend-temp" ||
 159 #               gen_die "Could not extract suspend binary cache!"
 160 #       mkdir -p "${TEMP}/initramfs-suspend-temp/etc"
 161 #       cp -f /etc/suspend.conf "${TEMP}/initramfs-suspend-temp/etc" ||
 162 #               gen_die 'Could not copy /etc/suspend.conf'
 163 #       cd "${TEMP}/initramfs-suspend-temp/"
 164 #       find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 165 #                       || gen_die "compressing suspend cpio"
 166 #       rm -r "${TEMP}/initramfs-suspend-temp/"
 167 #}
 168
 169 append_multipath(){
 170         if [ -d "${TEMP}/initramfs-multipath-temp" ]
 171         then
 172                 rm -r "${TEMP}/initramfs-multipath-temp"
 173         fi
 174         print_info 1 '  Multipath support being added'
 175         mkdir -p "${TEMP}"/initramfs-multipath-temp/{bin,etc,sbin,lib}/
 176
 177         # Copy files
 178         copy_binaries "${TEMP}/initramfs-multipath-temp" /sbin/{multipath,kpartx,mpath_prio_*,devmap_name,dmsetup} /lib64/udev/scsi_id /bin/mountpoint
 179
 180         if [ -x /sbin/multipath ]
 181         then
 182                 cp /etc/multipath.conf "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy /etc/multipath.conf please check this'
 183         fi
 184         # /etc/scsi_id.config does not exist in newer udevs
 185         # copy it optionally.
 186         if [ -x /sbin/scsi_id -a -f /etc/scsi_id.config ]
 187         then
 188                 cp /etc/scsi_id.config "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy scsi_id.config'
 189         fi
 190         cd "${TEMP}/initramfs-multipath-temp"
 191         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 192                         || gen_die "compressing multipath cpio"
 193         cd "${TEMP}"
 194         rm -r "${TEMP}/initramfs-multipath-temp/"
 195 }
 196
 197 append_dmraid(){
 198         if [ -d "${TEMP}/initramfs-dmraid-temp" ]
 199         then
 200                 rm -r "${TEMP}/initramfs-dmraid-temp/"
 201         fi
 202         print_info 1 'DMRAID: Adding support (compiling binaries)...'
 203         compile_dmraid
 204         mkdir -p "${TEMP}/initramfs-dmraid-temp/"
 205         /bin/tar -jxpf "${DMRAID_BINCACHE}" -C "${TEMP}/initramfs-dmraid-temp" ||
 206                 gen_die "Could not extract dmraid binary cache!";
 207         cd "${TEMP}/initramfs-dmraid-temp/"
 208         RAID456=`find . -type f -name raid456.ko`
 209         if [ -n "${RAID456}" ]
 210         then
 211                 cd "${RAID456/raid456.ko/}"
 212                 ln -sf raid456.kp raid45.ko
 213                 cd "${TEMP}/initramfs-dmraid-temp/"
 214         fi
 215         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 216                         || gen_die "compressing dmraid cpio"
 217         cd "${TEMP}"
 218         rm -r "${TEMP}/initramfs-dmraid-temp/"
 219 }
 220
 221 append_iscsi(){
 222         if [ -d "${TEMP}/initramfs-iscsi-temp" ]
 223         then
 224                 rm -r "${TEMP}/initramfs-iscsi-temp/"
 225         fi
 226         print_info 1 'iSCSI: Adding support (compiling binaries)...'
 227         compile_iscsi
 228         cd ${TEMP}
 229         mkdir -p "${TEMP}/initramfs-iscsi-temp/bin/"
 230         /bin/bzip2 -dc "${ISCSI_BINCACHE}" > "${TEMP}/initramfs-iscsi-temp/bin/iscsistart" ||
 231                 gen_die "Could not extract iscsi binary cache!"
 232         chmod a+x "${TEMP}/initramfs-iscsi-temp/bin/iscsistart"
 233         cd "${TEMP}/initramfs-iscsi-temp/"
 234         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 235                         || gen_die "compressing iscsi cpio"
 236         cd "${TEMP}"
 237         rm -rf "${TEMP}/initramfs-iscsi-temp" > /dev/null
 238 }
 239
 240 append_lvm(){
 241         if [ -d "${TEMP}/initramfs-lvm-temp" ]
 242         then
 243                 rm -r "${TEMP}/initramfs-lvm-temp/"
 244         fi
 245         cd ${TEMP}
 246         mkdir -p "${TEMP}/initramfs-lvm-temp/bin/"
 247         mkdir -p "${TEMP}/initramfs-lvm-temp/etc/lvm/"
 248         if false && [ -e '/sbin/lvm.static' ]
 249         then
 250                 print_info 1 '          LVM: Adding support (using local static binary /sbin/lvm.static)...'
 251                 cp /sbin/lvm.static "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
 252                         gen_die 'Could not copy over lvm!'
 253                 # See bug 382555
 254                 if [ -e '/sbin/dmsetup.static' ]
 255                 then
 256                         cp /sbin/dmsetup.static "${TEMP}/initramfs-lvm-temp/bin/dmsetup"
 257                 fi
 258         elif false && [ -e '/sbin/lvm' ] && LC_ALL="C" ldd /sbin/lvm|grep -q 'not a dynamic executable'
 259         then
 260                 print_info 1 '          LVM: Adding support (using local static binary /sbin/lvm)...'
 261                 cp /sbin/lvm "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
 262                         gen_die 'Could not copy over lvm!'
 263                 # See bug 382555
 264                 if [ -e '/sbin/dmsetup' ] && LC_ALL="C" ldd /sbin/dmsetup | grep -q 'not a dynamic executable'
 265                 then
 266                         cp /sbin/dmsetup "${TEMP}/initramfs-lvm-temp/bin/dmsetup"
 267                 fi
 268         else
 269                 print_info 1 '          LVM: Adding support (compiling binaries)...'
 270                 compile_lvm
 271                 /bin/tar -jxpf "${LVM_BINCACHE}" -C "${TEMP}/initramfs-lvm-temp" ||
 272                         gen_die "Could not extract lvm binary cache!";
 273                 mv ${TEMP}/initramfs-lvm-temp/sbin/lvm.static ${TEMP}/initramfs-lvm-temp/bin/lvm ||
 274                         gen_die 'LVM error: Could not move lvm.static to lvm!'
 275                 # See bug 382555
 276                 mv ${TEMP}/initramfs-lvm-temp/sbin/dmsetup.static ${TEMP}/initramfs-lvm-temp/bin/dmsetup ||
 277                         gen_die 'LVM error: Could not move dmsetup.static to dmsetup!'
 278                 rm -rf  ${TEMP}/initramfs-lvm-temp/{lib,share,man,include,{s,}bin/{lvm,dmsetup}}
 279         fi
 280         if [ -x /sbin/lvm -o -x /bin/lvm ]
 281         then
 282 #               lvm dumpconfig 2>&1 > /dev/null || gen_die 'Could not copy over lvm.conf!'
 283 #               ret=$?
 284 #               if [ ${ret} != 0 ]
 285 #               then
 286                         cp /etc/lvm/lvm.conf "${TEMP}/initramfs-lvm-temp/etc/lvm/" ||
 287                                 gen_die 'Could not copy over lvm.conf!'
 288 #               else
 289 #                       gen_die 'Could not copy over lvm.conf!'
 290 #               fi
 291         fi
 292         cd "${TEMP}/initramfs-lvm-temp/"
 293         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 294                         || gen_die "compressing lvm cpio"
 295         cd "${TEMP}"
 296         rm -r "${TEMP}/initramfs-lvm-temp/"
 297 }
 298
 299 append_mdadm(){
 300         if [ -d "${TEMP}/initramfs-mdadm-temp" ]
 301         then
 302                 rm -r "${TEMP}/initramfs-mdadm-temp/"
 303         fi
 304         cd ${TEMP}
 305         mkdir -p "${TEMP}/initramfs-mdadm-temp/etc/"
 306         mkdir -p "${TEMP}/initramfs-mdadm-temp/sbin/"
 307         if [ "${MDADM}" = '1' ]
 308         then
 309                 if [ -n "${MDADM_CONFIG}" ]
 310                 then
 311                         if [ -f "${MDADM_CONFIG}" ]
 312                         then
 313                                 cp -a "${MDADM_CONFIG}" "${TEMP}/initramfs-mdadm-temp/etc/mdadm.conf" \
 314                                 || gen_die "Could not copy mdadm.conf!"
 315                         else
 316                                 gen_die 'sl${MDADM_CONFIG} does not exist!'
 317                         fi
 318                 else
 319                         print_info 1 '          MDADM: Skipping inclusion of mdadm.conf'
 320                 fi
 321
 322                 if [ -e '/sbin/mdadm' ] && LC_ALL="C" ldd /sbin/mdadm | grep -q 'not a dynamic executable' \
 323                 && [ -e '/sbin/mdmon' ] && LC_ALL="C" ldd /sbin/mdmon | grep -q 'not a dynamic executable'
 324                 then
 325                         print_info 1 '          MDADM: Adding support (using local static binaries /sbin/mdadm and /sbin/mdmon)...'
 326                         cp /sbin/mdadm /sbin/mdmon "${TEMP}/initramfs-mdadm-temp/sbin/" ||
 327                                 gen_die 'Could not copy over mdadm!'
 328                 else
 329                         print_info 1 '          MDADM: Adding support (compiling binaries)...'
 330                         compile_mdadm
 331                         /bin/tar -jxpf "${MDADM_BINCACHE}" -C "${TEMP}/initramfs-mdadm-temp" ||
 332                                 gen_die "Could not extract mdadm binary cache!";
 333                 fi
 334         fi
 335         cd "${TEMP}/initramfs-mdadm-temp/"
 336         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 337                         || gen_die "compressing mdadm cpio"
 338         cd "${TEMP}"
 339         rm -rf "${TEMP}/initramfs-mdadm-temp" > /dev/null
 340 }
 341
 342 append_zfs(){
 343         if [ -d "${TEMP}/initramfs-zfs-temp" ]
 344         then
 345                 rm -r "${TEMP}/initramfs-zfs-temp"
 346         fi
 347
 348         mkdir -p "${TEMP}/initramfs-zfs-temp/etc/zfs/"
 349
 350         # Copy files to /etc/zfs
 351         for i in /etc/zfs/{zdev.conf,zpool.cache}
 352         do
 353                 cp -a "${i}" "${TEMP}/initramfs-zfs-temp/etc/zfs" \
 354                         || gen_die "Could not copy file ${i} for ZFS"
 355         done
 356
 357         # Copy binaries
 358         copy_binaries "${TEMP}/initramfs-zfs-temp" /sbin/{mount.zfs,zfs,zpool}
 359
 360         cd "${TEMP}/initramfs-zfs-temp/"
 361         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 362                         || gen_die "compressing zfs cpio"
 363         cd "${TEMP}"
 364         rm -rf "${TEMP}/initramfs-zfs-temp" > /dev/null
 365 }
 366
 367 append_splash(){
 368         splash_geninitramfs=`which splash_geninitramfs 2>/dev/null`
 369         if [ -x "${splash_geninitramfs}" ]
 370         then
 371                 [ -z "${SPLASH_THEME}" ] && [ -e /etc/conf.d/splash ] && source /etc/conf.d/splash
 372                 [ -z "${SPLASH_THEME}" ] && SPLASH_THEME=default
 373                 print_info 1 "  >> Installing splash [ using the ${SPLASH_THEME} theme ]..."
 374                 if [ -d "${TEMP}/initramfs-splash-temp" ]
 375                 then
 376                         rm -r "${TEMP}/initramfs-splash-temp/"
 377                 fi
 378                 mkdir -p "${TEMP}/initramfs-splash-temp"
 379                 cd /
 380                 local tmp=""
 381                 [ -n "${SPLASH_RES}" ] && tmp="-r ${SPLASH_RES}"
 382                 splash_geninitramfs -c "${TEMP}/initramfs-splash-temp" ${tmp} ${SPLASH_THEME} || gen_die "Could not build splash cpio archive"
 383                 if [ -e "/usr/share/splashutils/initrd.splash" ]; then
 384                         mkdir -p "${TEMP}/initramfs-splash-temp/etc"
 385                         cp -f "/usr/share/splashutils/initrd.splash" "${TEMP}/initramfs-splash-temp/etc"
 386                 fi
 387                 cd "${TEMP}/initramfs-splash-temp/"
 388                 find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 389                         || gen_die "compressing splash cpio"
 390                 cd "${TEMP}"
 391                 rm -r "${TEMP}/initramfs-splash-temp/"
 392         else
 393                 print_warning 1 '               >> No splash detected; skipping!'
 394         fi
 395 }
 396
 397 append_overlay(){
 398         cd ${INITRAMFS_OVERLAY}
 399         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 400                         || gen_die "compressing overlay cpio"
 401 }
 402
 403 append_luks() {
 404         local _luks_error_format="LUKS support cannot be included: %s.  Please emerge sys-fs/cryptsetup[static]."
 405         local _luks_source=/sbin/cryptsetup
 406         local _luks_dest=/sbin/cryptsetup
 407
 408         if [ -d "${TEMP}/initramfs-luks-temp" ]
 409         then
 410                 rm -r "${TEMP}/initramfs-luks-temp/"
 411         fi
 412
 413         mkdir -p "${TEMP}/initramfs-luks-temp/lib/luks/"
 414         mkdir -p "${TEMP}/initramfs-luks-temp/sbin"
 415         cd "${TEMP}/initramfs-luks-temp"
 416
 417         if isTrue ${LUKS}
 418         then
 419                 [ -x "${_luks_source}" ] \
 420                                 || gen_die "$(printf "${_luks_error_format}" "no file ${_luks_source}")"
 421
 422                 is_static "${_luks_source}" \
 423                                 || gen_die "$(printf "${_luks_error_format}" "${_luks_source} not a static binary")"
 424
 425                 print_info 1 "Including LUKS support"
 426                 cp "${_luks_source}" ${TEMP}/initramfs-luks-temp${_luks_dest}
 427                 chmod +x "${TEMP}/initramfs-luks-temp${_luks_dest}"
 428         fi
 429
 430         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 431                 || gen_die "appending cryptsetup to cpio"
 432
 433         cd "${TEMP}"
 434         rm -r "${TEMP}/initramfs-luks-temp/"
 435 }
 436
 437 append_firmware() {
 438         if [ -z "${FIRMWARE_FILES}" -a ! -d "${FIRMWARE_DIR}" ]
 439         then
 440                 gen_die "specified firmware directory (${FIRMWARE_DIR}) does not exist"
 441         fi
 442         if [ -d "${TEMP}/initramfs-firmware-temp" ]
 443         then
 444                 rm -r "${TEMP}/initramfs-firmware-temp/"
 445         fi
 446         mkdir -p "${TEMP}/initramfs-firmware-temp/lib/firmware"
 447         cd "${TEMP}/initramfs-firmware-temp"
 448         if [ -n "${FIRMWARE_FILES}" ]
 449         then
 450                 OLD_IFS=$IFS
 451                 IFS=","
 452                 for i in ${FIRMWARE_FILES}
 453                 do
 454                         cp -L "${i}" ${TEMP}/initramfs-firmware-temp/lib/firmware/
 455                 done
 456                 IFS=$OLD_IFS
 457         else
 458                 cp -a "${FIRMWARE_DIR}"/* ${TEMP}/initramfs-firmware-temp/lib/firmware/
 459         fi
 460         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 461                 || gen_die "appending firmware to cpio"
 462         cd "${TEMP}"
 463         rm -r "${TEMP}/initramfs-firmware-temp/"
 464 }
 465
 466 append_gpg() {
 467         if [ -d "${TEMP}/initramfs-gpg-temp" ]
 468         then
 469                 rm -r "${TEMP}/initramfs-gpg-temp"
 470         fi
 471         cd ${TEMP}
 472         mkdir -p "${TEMP}/initramfs-gpg-temp/sbin/"
 473         if [ ! -e ${GPG_BINCACHE} ] ; then
 474                 print_info 1 '          GPG: Adding support (compiling binaries)...'
 475                 compile_gpg
 476         fi
 477         bzip2 -dc "${GPG_BINCACHE}" > "${TEMP}/initramfs-gpg-temp/sbin/gpg" ||
 478                 gen_die 'Could not extract gpg binary cache!'
 479         chmod a+x "${TEMP}/initramfs-gpg-temp/sbin/gpg"
 480         cd "${TEMP}/initramfs-gpg-temp/"
 481         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
 482         rm -rf "${TEMP}/initramfs-gpg-temp" > /dev/null
 483 }
 484
 485 print_list()
 486 {
 487         local x
 488         for x in ${*}
 489         do
 490                 echo ${x}
 491         done
 492 }
 493
 494 append_modules() {
 495         local group
 496         local group_modules
 497         local MOD_EXT=".ko"
 498
 499         print_info 2 "initramfs: >> Searching for modules..."
 500         if [ "${INSTALL_MOD_PATH}" != '' ]
 501         then
 502           cd ${INSTALL_MOD_PATH}
 503         else
 504           cd /
 505         fi
 506
 507         if [ -d "${TEMP}/initramfs-modules-${KV}-temp" ]
 508         then
 509                 rm -r "${TEMP}/initramfs-modules-${KV}-temp/"
 510         fi
 511         mkdir -p "${TEMP}/initramfs-modules-${KV}-temp/lib/modules/${KV}"
 512         for i in `gen_dep_list`
 513         do
 514                 mymod=`find ./lib/modules/${KV} -name "${i}${MOD_EXT}" 2>/dev/null| head -n 1 `
 515                 if [ -z "${mymod}" ]
 516                 then
 517                         print_warning 2 "Warning :: ${i}${MOD_EXT} not found; skipping..."
 518                         continue;
 519                 fi
 520
 521                 print_info 2 "initramfs: >> Copying ${i}${MOD_EXT}..."
 522                 cp -ax --parents "${mymod}" "${TEMP}/initramfs-modules-${KV}-temp"
 523         done
 524
 525         cp -ax --parents ./lib/modules/${KV}/modules* ${TEMP}/initramfs-modules-${KV}-temp 2>/dev/null
 526
 527         mkdir -p "${TEMP}/initramfs-modules-${KV}-temp/etc/modules"
 528         for group_modules in ${!MODULES_*}; do
 529                 group="$(echo $group_modules | cut -d_ -f2 | tr "[:upper:]" "[:lower:]")"
 530                 print_list ${!group_modules} > "${TEMP}/initramfs-modules-${KV}-temp/etc/modules/${group}"
 531         done
 532         cd "${TEMP}/initramfs-modules-${KV}-temp/"
 533         find . | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 534                         || gen_die "compressing modules cpio"
 535         cd "${TEMP}"
 536         rm -r "${TEMP}/initramfs-modules-${KV}-temp/"
 537 }
 538
 539 # check for static linked file with objdump
 540 is_static() {
 541         LANG="C" LC_ALL="C" objdump -T $1 2>&1 | grep "not a dynamic object" > /dev/null
 542         return $?
 543 }
 544
 545 append_auxilary() {
 546         if [ -d "${TEMP}/initramfs-aux-temp" ]
 547         then
 548                 rm -r "${TEMP}/initramfs-aux-temp/"
 549         fi
 550         mkdir -p "${TEMP}/initramfs-aux-temp/etc"
 551         mkdir -p "${TEMP}/initramfs-aux-temp/sbin"
 552         if [ -f "${CMD_LINUXRC}" ]
 553         then
 554                 cp "${CMD_LINUXRC}" "${TEMP}/initramfs-aux-temp/init"
 555                 print_info 2 "        >> Copying user specified linuxrc: ${CMD_LINUXRC} to init"
 556         else
 557                 if isTrue ${NETBOOT}
 558                 then
 559                         cp "${GK_SHARE}/netboot/linuxrc.x" "${TEMP}/initramfs-aux-temp/init"
 560                 else
 561                         if [ -f "${GK_SHARE}/arch/${ARCH}/linuxrc" ]
 562                         then
 563                                 cp "${GK_SHARE}/arch/${ARCH}/linuxrc" "${TEMP}/initramfs-aux-temp/init"
 564                         else
 565                                 cp "${GK_SHARE}/defaults/linuxrc" "${TEMP}/initramfs-aux-temp/init"
 566                         fi
 567                 fi
 568         fi
 569
 570         # Make sure it's executable
 571         chmod 0755 "${TEMP}/initramfs-aux-temp/init"
 572
 573         # Make a symlink to init .. incase we are bundled inside the kernel as one
 574         # big cpio.
 575         cd ${TEMP}/initramfs-aux-temp
 576         ln -s init linuxrc
 577 #       ln ${TEMP}/initramfs-aux-temp/init ${TEMP}/initramfs-aux-temp/linuxrc
 578
 579         if [ -f "${GK_SHARE}/arch/${ARCH}/initrd.scripts" ]
 580         then
 581                 cp "${GK_SHARE}/arch/${ARCH}/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
 582         else
 583                 cp "${GK_SHARE}/defaults/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
 584         fi
 585
 586         if [ -f "${GK_SHARE}/arch/${ARCH}/initrd.defaults" ]
 587         then
 588                 cp "${GK_SHARE}/arch/${ARCH}/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 589         else
 590                 cp "${GK_SHARE}/defaults/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 591         fi
 592
 593         if [ -n "${REAL_ROOT}" ]
 594         then
 595                 sed -i "s:^REAL_ROOT=.*$:REAL_ROOT='${REAL_ROOT}':" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 596         fi
 597
 598         echo -n 'HWOPTS="$HWOPTS ' >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 599         for group_modules in ${!MODULES_*}; do
 600                 group="$(echo $group_modules | cut -d_ -f2 | tr "[:upper:]" "[:lower:]")"
 601                 echo -n "${group} " >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 602         done
 603         echo '"' >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 604
 605         if [ -f "${GK_SHARE}/arch/${ARCH}/modprobe" ]
 606         then
 607                 cp "${GK_SHARE}/arch/${ARCH}/modprobe" "${TEMP}/initramfs-aux-temp/sbin/modprobe"
 608         else
 609                 cp "${GK_SHARE}/defaults/modprobe" "${TEMP}/initramfs-aux-temp/sbin/modprobe"
 610         fi
 611         if isTrue $CMD_DOKEYMAPAUTO
 612         then
 613                 echo 'MY_HWOPTS="${MY_HWOPTS} keymap"' >> ${TEMP}/initramfs-aux-temp/etc/initrd.defaults
 614         fi
 615         if isTrue $CMD_KEYMAP
 616         then
 617                 print_info 1 "        >> Copying keymaps"
 618                 mkdir -p "${TEMP}/initramfs-aux-temp/lib/"
 619                 cp -R "${GK_SHARE}/defaults/keymaps" "${TEMP}/initramfs-aux-temp/lib/" \
 620                                 || gen_die "Error while copying keymaps"
 621         fi
 622
 623         cd ${TEMP}/initramfs-aux-temp/sbin && ln -s ../init init
 624         cd ${TEMP}
 625         chmod +x "${TEMP}/initramfs-aux-temp/init"
 626         chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
 627         chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 628         chmod +x "${TEMP}/initramfs-aux-temp/sbin/modprobe"
 629
 630         if isTrue ${NETBOOT}
 631         then
 632                 cd "${GK_SHARE}/netboot/misc"
 633                 cp -pPRf * "${TEMP}/initramfs-aux-temp/"
 634         fi
 635
 636         cd "${TEMP}/initramfs-aux-temp/"
 637         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 638                         || gen_die "compressing auxilary cpio"
 639         cd "${TEMP}"
 640         rm -r "${TEMP}/initramfs-aux-temp/"
 641 }
 642
 643 append_data() {
 644         local name=$1 var=$2
 645         local func="append_${name}"
 646
 647         [ $# -eq 0 ] && gen_die "append_data() called with zero arguments"
 648         if [ $# -eq 1 ] || isTrue ${var}
 649         then
 650             print_info 1 "        >> Appending ${name} cpio data..."
 651             ${func} || gen_die "${func}() failed"
 652         fi
 653 }
 654
 655 create_initramfs() {
 656         local compress_ext=""
 657         print_info 1 "initramfs: >> Initializing..."
 658
 659         # Create empty cpio
 660         CPIO="${TMPDIR}/initramfs-${KV}"
 661         echo | cpio ${CPIO_ARGS} -F "${CPIO}" 2>/dev/null \
 662                 || gen_die "Could not create empty cpio at ${CPIO}"
 663
 664         append_data 'base_layout'
 665         append_data 'auxilary' "${BUSYBOX}"
 666         append_data 'busybox' "${BUSYBOX}"
 667         append_data 'lvm' "${LVM}"
 668         append_data 'dmraid' "${DMRAID}"
 669         append_data 'iscsi' "${ISCSI}"
 670         append_data 'mdadm' "${MDADM}"
 671         append_data 'luks' "${LUKS}"
 672         append_data 'multipath' "${MULTIPATH}"
 673         append_data 'gpg' "${GPG}"
 674
 675         if [ "${RAMDISKMODULES}" = '1' ]
 676         then
 677                 append_data 'modules'
 678         else
 679                 print_info 1 "initramfs: Not copying modules..."
 680         fi
 681
 682         append_data 'zfs' "${ZFS}"
 683
 684         append_data 'blkid' "${DISKLABEL}"
 685
 686         append_data 'unionfs_fuse' "${UNIONFS}"
 687
 688         append_data 'splash' "${SPLASH}"
 689
 690         if isTrue "${FIRMWARE}" && [ -n "${FIRMWARE_DIR}" ]
 691         then
 692                 append_data 'firmware'
 693         fi
 694
 695         # This should always be appended last
 696         if [ "${INITRAMFS_OVERLAY}" != '' ]
 697         then
 698                 append_data 'overlay'
 699         fi
 700
 701         if isTrue "${INTEGRATED_INITRAMFS}"
 702         then
 703                 # Explicitly do not compress if we are integrating into the kernel.
 704                 # The kernel will do a better job of it than us.
 705                 mv ${TMPDIR}/initramfs-${KV} ${TMPDIR}/initramfs-${KV}.cpio
 706                 sed -i '/^.*CONFIG_INITRAMFS_SOURCE=.*$/d' ${KERNEL_DIR}/.config
 707                 cat >>${KERNEL_DIR}/.config     <<-EOF
 708                 CONFIG_INITRAMFS_SOURCE="${TMPDIR}/initramfs-${KV}.cpio${compress_ext}"
 709                 CONFIG_INITRAMFS_ROOT_UID=0
 710                 CONFIG_INITRAMFS_ROOT_GID=0
 711                 EOF
 712         else
 713                 if isTrue "${COMPRESS_INITRD}"
 714                 then
 715                         cmd_xz=$(type -p xz)
 716                         cmd_lzma=$(type -p lzma)
 717                         cmd_bzip2=$(type -p bzip2)
 718                         cmd_gzip=$(type -p gzip)
 719                         cmd_lzop=$(type -p lzop)
 720                         pkg_xz='app-arch/xz-utils'
 721                         pkg_lzma='app-arch/xz-utils'
 722                         pkg_bzip2='app-arch/bzip2'
 723                         pkg_gzip='app-arch/gzip'
 724                         pkg_lzop='app-arch/lzop'
 725                         local compression
 726                         case ${COMPRESS_INITRD_TYPE} in
 727                                 xz|lzma|bzip2|gzip|lzop) compression=${COMPRESS_INITRD_TYPE} ;;
 728                                 lzo) compression=lzop ;;
 729                                 best|fastest)
 730                                         for tuple in \
 731                                                         'CONFIG_RD_XZ    cmd_xz    xz' \
 732                                                         'CONFIG_RD_LZMA  cmd_lzma  lzma' \
 733                                                         'CONFIG_RD_BZIP2 cmd_bzip2 bzip' \
 734                                                         'CONFIG_RD_GZIP  cmd_gzip  gzip' \
 735                                                         'CONFIG_RD_LZO   cmd_lzop  lzop'; do
 736                                                 set -- ${tuple}
 737                                                 kernel_option=$1
 738                                                 cmd_variable_name=$2
 739                                                 if grep -sq "^${kernel_option}=y" ${KERNEL_DIR}/.config && test -n "${!cmd_variable_name}" ; then
 740                                                         compression=$3
 741                                                         [[ ${COMPRESS_INITRD_TYPE} == best ]] && break
 742                                                 fi
 743                                         done
 744                                         ;;
 745                                 *)
 746                                         gen_die "Compression '${COMPRESS_INITRD_TYPE}' unknown"
 747                                         ;;
 748                         esac
 749
 750                         # Check for actual availability
 751                         cmd_variable_name=cmd_${compression}
 752                         pkg_variable_name=pkg_${compression}
 753                         [[ -z "${!cmd_variable_name}" ]] && gen_die "Compression '${compression}' is not available. Please install package '${!pkg_variable_name}'."
 754
 755                         case $compression in
 756                                 xz) compress_ext='.xz' compress_cmd="${cmd_xz} -e --check=none -z -f -9" ;;
 757                                 lzma) compress_ext='.lzma' compress_cmd="${cmd_lzma} -z -f -9" ;;
 758                                 bzip2) compress_ext='.bz2' compress_cmd="${cmd_bzip2} -z -f -9" ;;
 759                                 gzip) compress_ext='.gz' compress_cmd="${cmd_gzip} -f -9" ;;
 760                                 lzop) compress_ext='.lzo' compress_cmd="${cmd_lzop} -f -9" ;;
 761                         esac
 762
 763                         if [ -n "${compression}" ]; then
 764                                 print_info 1 "        >> Compressing cpio data (${compress_ext})..."
 765                                 ${compress_cmd} "${CPIO}" || gen_die "Compression (${compress_cmd}) failed"
 766                                 mv -f "${CPIO}${compress_ext}" "${CPIO}" || gen_die "Rename failed"
 767                         else
 768                                 print_info 1 "        >> Not compressing cpio data ..."
 769                         fi
 770                 fi
 771         fi
 772
 773         if isTrue "${CMD_INSTALL}"
 774         then
 775                 if ! isTrue "${INTEGRATED_INITRAMFS}"
 776                 then
 777                         copy_image_with_preserve "initramfs" \
 778                                 "${TMPDIR}/initramfs-${KV}" \
 779                                 "initramfs-${KNAME}-${ARCH}-${KV}"
 780                 fi
 781         fi
 782 }