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 under the CC0 license to
   7 # encourage wide adoption and re-use.  That means:
   8 # - You may use the code of copy_binaries() as CC0 outside of genkernel
   9 # - Contributions to this function are licensed under CC0 as well.
  10 # - If you change it outside of genkernel, please consider sending your
  11 #   modifications back to genkernel@gentoo.org.
  12 #
  13 # On a side note: "Both public domain works and the simple license provided by
  14 #                  CC0 are compatible with the GNU GPL."
  15 #                 (from https://www.gnu.org/licenses/license-list.html#CC0)
  16 #
  17 # Written by:
  18 # - Sebastian Pipping <sebastian@pipping.org> (error checking)
  19 # - Robin H. Johnson <robbat2@gentoo.org> (complete rewrite)
  20 # - Richard Yao <ryao@cs.stonybrook.edu> (original concept)
  21 # Usage:
  22 # copy_binaries DESTDIR BINARIES...
  23 copy_binaries() {
  24         local destdir=$1
  25         shift
  26
  27         for binary in "$@"; do
  28                 [[ -e "${binary}" ]] \
  29                                 || gen_die "Binary ${binary} could not be found"
  30
  31                 if LC_ALL=C lddtree "${binary}" 2>&1 | fgrep -q 'not found'; then
  32                         gen_die "Binary ${binary} is linked to missing libraries and may need to be re-built"
  33                 fi
  34         done
  35         # This must be OUTSIDE the for loop, we only want to run lddtree etc ONCE.
  36         lddtree "$@" \
  37                         | tr ')(' '\n' \
  38                         | awk  '/=>/{ if($3 ~ /^\//){print $3}}' \
  39                         | sort \
  40                         | uniq \
  41                         | cpio -p --make-directories --dereference --quiet "${destdir}" \
  42                         || gen_die "Binary ${f} or some of its library dependencies could not be copied"
  43 }
  44
  45 log_future_cpio_content() {
  46         if [[ "${LOGLEVEL}" -gt 1 ]]; then
  47                 echo =================================================================
  48                 echo "About to add these files from '${PWD}' to cpio archive:"
  49                 find . | xargs ls -ald
  50                 echo =================================================================
  51         fi
  52 }
  53
  54 append_base_layout() {
  55         if [ -d "${TEMP}/initramfs-base-temp" ]
  56         then
  57                 rm -rf "${TEMP}/initramfs-base-temp" > /dev/null
  58         fi
  59
  60         mkdir -p ${TEMP}/initramfs-base-temp/dev
  61         mkdir -p ${TEMP}/initramfs-base-temp/bin
  62         mkdir -p ${TEMP}/initramfs-base-temp/etc
  63         mkdir -p ${TEMP}/initramfs-base-temp/usr
  64         mkdir -p ${TEMP}/initramfs-base-temp/lib
  65         mkdir -p ${TEMP}/initramfs-base-temp/mnt
  66         mkdir -p ${TEMP}/initramfs-base-temp/run
  67         mkdir -p ${TEMP}/initramfs-base-temp/sbin
  68         mkdir -p ${TEMP}/initramfs-base-temp/proc
  69         mkdir -p ${TEMP}/initramfs-base-temp/temp
  70         mkdir -p ${TEMP}/initramfs-base-temp/tmp
  71         mkdir -p ${TEMP}/initramfs-base-temp/sys
  72         mkdir -p ${TEMP}/initramfs-temp/.initrd
  73         mkdir -p ${TEMP}/initramfs-base-temp/var/lock/dmraid
  74         mkdir -p ${TEMP}/initramfs-base-temp/sbin
  75         mkdir -p ${TEMP}/initramfs-base-temp/usr/bin
  76         mkdir -p ${TEMP}/initramfs-base-temp/usr/sbin
  77         ln -s  lib  ${TEMP}/initramfs-base-temp/lib64
  78
  79         echo "/dev/ram0     /           ext2    defaults        0 0" > ${TEMP}/initramfs-base-temp/etc/fstab
  80         echo "proc          /proc       proc    defaults    0 0" >> ${TEMP}/initramfs-base-temp/etc/fstab
  81
  82         cd ${TEMP}/initramfs-base-temp/dev
  83         mknod -m 660 console c 5 1
  84         mknod -m 660 null c 1 3
  85         mknod -m 660 zero c 1 5
  86         mknod -m 600 tty0 c 4 0
  87         mknod -m 600 tty1 c 4 1
  88         mknod -m 600 ttyS0 c 4 64
  89
  90         date -u '+%Y%m%d-%H%M%S' > ${TEMP}/initramfs-base-temp/etc/build_date
  91
  92         cd "${TEMP}/initramfs-base-temp/"
  93         log_future_cpio_content
  94         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
  95                         || gen_die "compressing baselayout cpio"
  96         cd "${TEMP}"
  97         rm -rf "${TEMP}/initramfs-base-temp" > /dev/null
  98 }
  99
 100 append_busybox() {
 101         if [ -d "${TEMP}/initramfs-busybox-temp" ]
 102         then
 103                 rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
 104         fi
 105
 106         mkdir -p "${TEMP}/initramfs-busybox-temp/bin/"
 107         tar -xjf "${BUSYBOX_BINCACHE}" -C "${TEMP}/initramfs-busybox-temp/bin" busybox ||
 108                 gen_die 'Could not extract busybox bincache!'
 109         chmod +x "${TEMP}/initramfs-busybox-temp/bin/busybox"
 110
 111         mkdir -p "${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/"
 112         cp "${GK_SHARE}/defaults/udhcpc.scripts" ${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/default.script
 113         chmod +x "${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/default.script"
 114
 115         # Set up a few default symlinks
 116         for i in ${BUSYBOX_APPLETS:-[ ash sh mount uname echo cut cat}; do
 117                 rm -f ${TEMP}/initramfs-busybox-temp/bin/$i > /dev/null
 118                 ln -s busybox ${TEMP}/initramfs-busybox-temp/bin/$i ||
 119                         gen_die "Busybox error: could not link ${i}!"
 120         done
 121
 122         cd "${TEMP}/initramfs-busybox-temp/"
 123         log_future_cpio_content
 124         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 125                         || gen_die "compressing busybox cpio"
 126         cd "${TEMP}"
 127         rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
 128 }
 129
 130 append_blkid(){
 131         if [ -d "${TEMP}/initramfs-blkid-temp" ]
 132         then
 133                 rm -r "${TEMP}/initramfs-blkid-temp/"
 134         fi
 135         cd ${TEMP}
 136         mkdir -p "${TEMP}/initramfs-blkid-temp/"
 137
 138         if [[ "${DISKLABEL}" = "1" ]]; then
 139                 copy_binaries "${TEMP}"/initramfs-blkid-temp/ /sbin/blkid
 140         fi
 141
 142         cd "${TEMP}/initramfs-blkid-temp/"
 143         log_future_cpio_content
 144         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 145                         || gen_die "compressing blkid cpio"
 146         cd "${TEMP}"
 147         rm -rf "${TEMP}/initramfs-blkid-temp" > /dev/null
 148 }
 149
 150 #append_fuse() {
 151 #       if [ -d "${TEMP}/initramfs-fuse-temp" ]
 152 #       then
 153 #               rm -r "${TEMP}/initramfs-fuse-temp"
 154 #       fi
 155 #       cd ${TEMP}
 156 #       mkdir -p "${TEMP}/initramfs-fuse-temp/lib/"
 157 #       tar -C "${TEMP}/initramfs-fuse-temp/lib/" -xjf "${FUSE_BINCACHE}"
 158 #       cd "${TEMP}/initramfs-fuse-temp/"
 159 #       find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 160 #                       || gen_die "compressing fuse cpio"
 161 #       rm -rf "${TEMP}/initramfs-fuse-temp" > /dev/null
 162 #}
 163
 164 append_unionfs_fuse() {
 165         if [ -d "${TEMP}/initramfs-unionfs-fuse-temp" ]
 166         then
 167                 rm -r "${TEMP}/initramfs-unionfs-fuse-temp"
 168         fi
 169         cd ${TEMP}
 170         mkdir -p "${TEMP}/initramfs-unionfs-fuse-temp/sbin/"
 171         bzip2 -dc "${UNIONFS_FUSE_BINCACHE}" > "${TEMP}/initramfs-unionfs-fuse-temp/sbin/unionfs" ||
 172                 gen_die 'Could not extract unionfs-fuse binary cache!'
 173         chmod a+x "${TEMP}/initramfs-unionfs-fuse-temp/sbin/unionfs"
 174         cd "${TEMP}/initramfs-unionfs-fuse-temp/"
 175         log_future_cpio_content
 176         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 177                         || gen_die "compressing unionfs fuse cpio"
 178         cd "${TEMP}"
 179         rm -rf "${TEMP}/initramfs-unionfs-fuse-temp" > /dev/null
 180 }
 181
 182 #append_suspend(){
 183 #       if [ -d "${TEMP}/initramfs-suspend-temp" ];
 184 #       then
 185 #               rm -r "${TEMP}/initramfs-suspend-temp/"
 186 #       fi
 187 #       print_info 1 'SUSPEND: Adding support (compiling binaries)...'
 188 #       compile_suspend
 189 #       mkdir -p "${TEMP}/initramfs-suspend-temp/"
 190 #       /bin/tar -jxpf "${SUSPEND_BINCACHE}" -C "${TEMP}/initramfs-suspend-temp" ||
 191 #               gen_die "Could not extract suspend binary cache!"
 192 #       mkdir -p "${TEMP}/initramfs-suspend-temp/etc"
 193 #       cp -f /etc/suspend.conf "${TEMP}/initramfs-suspend-temp/etc" ||
 194 #               gen_die 'Could not copy /etc/suspend.conf'
 195 #       cd "${TEMP}/initramfs-suspend-temp/"
 196 #       log_future_cpio_content
 197 #       find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 198 #                       || gen_die "compressing suspend cpio"
 199 #       rm -r "${TEMP}/initramfs-suspend-temp/"
 200 #}
 201
 202 append_multipath(){
 203         if [ -d "${TEMP}/initramfs-multipath-temp" ]
 204         then
 205                 rm -r "${TEMP}/initramfs-multipath-temp"
 206         fi
 207         print_info 1 '  Multipath support being added'
 208         mkdir -p "${TEMP}"/initramfs-multipath-temp/{bin,etc,sbin,lib}/
 209
 210         # Copy files
 211         copy_binaries "${TEMP}/initramfs-multipath-temp" /sbin/{multipath,kpartx,mpath_prio_*,devmap_name,dmsetup} /lib64/udev/scsi_id /bin/mountpoint
 212
 213         if [ -x /sbin/multipath ]
 214         then
 215                 cp /etc/multipath.conf "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy /etc/multipath.conf please check this'
 216         fi
 217         # /etc/scsi_id.config does not exist in newer udevs
 218         # copy it optionally.
 219         if [ -x /sbin/scsi_id -a -f /etc/scsi_id.config ]
 220         then
 221                 cp /etc/scsi_id.config "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy scsi_id.config'
 222         fi
 223         cd "${TEMP}/initramfs-multipath-temp"
 224         log_future_cpio_content
 225         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 226                         || gen_die "compressing multipath cpio"
 227         cd "${TEMP}"
 228         rm -r "${TEMP}/initramfs-multipath-temp/"
 229 }
 230
 231 append_dmraid(){
 232         if [ -d "${TEMP}/initramfs-dmraid-temp" ]
 233         then
 234                 rm -r "${TEMP}/initramfs-dmraid-temp/"
 235         fi
 236         print_info 1 'DMRAID: Adding support (compiling binaries)...'
 237         compile_dmraid
 238         mkdir -p "${TEMP}/initramfs-dmraid-temp/"
 239         /bin/tar -jxpf "${DMRAID_BINCACHE}" -C "${TEMP}/initramfs-dmraid-temp" ||
 240                 gen_die "Could not extract dmraid binary cache!";
 241         cd "${TEMP}/initramfs-dmraid-temp/"
 242         RAID456=`find . -type f -name raid456.ko`
 243         if [ -n "${RAID456}" ]
 244         then
 245                 cd "${RAID456/raid456.ko/}"
 246                 ln -sf raid456.kp raid45.ko
 247                 cd "${TEMP}/initramfs-dmraid-temp/"
 248         fi
 249         log_future_cpio_content
 250         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 251                         || gen_die "compressing dmraid cpio"
 252         cd "${TEMP}"
 253         rm -r "${TEMP}/initramfs-dmraid-temp/"
 254 }
 255
 256 append_iscsi(){
 257         if [ -d "${TEMP}/initramfs-iscsi-temp" ]
 258         then
 259                 rm -r "${TEMP}/initramfs-iscsi-temp/"
 260         fi
 261         print_info 1 'iSCSI: Adding support (compiling binaries)...'
 262         compile_iscsi
 263         cd ${TEMP}
 264         mkdir -p "${TEMP}/initramfs-iscsi-temp/bin/"
 265         /bin/bzip2 -dc "${ISCSI_BINCACHE}" > "${TEMP}/initramfs-iscsi-temp/bin/iscsistart" ||
 266                 gen_die "Could not extract iscsi binary cache!"
 267         chmod a+x "${TEMP}/initramfs-iscsi-temp/bin/iscsistart"
 268         cd "${TEMP}/initramfs-iscsi-temp/"
 269         log_future_cpio_content
 270         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 271                         || gen_die "compressing iscsi cpio"
 272         cd "${TEMP}"
 273         rm -rf "${TEMP}/initramfs-iscsi-temp" > /dev/null
 274 }
 275
 276 append_lvm(){
 277         if [ -d "${TEMP}/initramfs-lvm-temp" ]
 278         then
 279                 rm -r "${TEMP}/initramfs-lvm-temp/"
 280         fi
 281         cd ${TEMP}
 282         mkdir -p "${TEMP}/initramfs-lvm-temp/bin/"
 283         mkdir -p "${TEMP}/initramfs-lvm-temp/etc/lvm/"
 284         if false && [ -e '/sbin/lvm.static' ]
 285         then
 286                 print_info 1 '          LVM: Adding support (using local static binary /sbin/lvm.static)...'
 287                 cp /sbin/lvm.static "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
 288                         gen_die 'Could not copy over lvm!'
 289                 # See bug 382555
 290                 if [ -e '/sbin/dmsetup.static' ]
 291                 then
 292                         cp /sbin/dmsetup.static "${TEMP}/initramfs-lvm-temp/bin/dmsetup"
 293                 fi
 294         elif false && [ -e '/sbin/lvm' ] && LC_ALL="C" ldd /sbin/lvm|grep -q 'not a dynamic executable'
 295         then
 296                 print_info 1 '          LVM: Adding support (using local static binary /sbin/lvm)...'
 297                 cp /sbin/lvm "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
 298                         gen_die 'Could not copy over lvm!'
 299                 # See bug 382555
 300                 if [ -e '/sbin/dmsetup' ] && LC_ALL="C" ldd /sbin/dmsetup | grep -q 'not a dynamic executable'
 301                 then
 302                         cp /sbin/dmsetup "${TEMP}/initramfs-lvm-temp/bin/dmsetup"
 303                 fi
 304         else
 305                 print_info 1 '          LVM: Adding support (compiling binaries)...'
 306                 compile_lvm
 307                 /bin/tar -jxpf "${LVM_BINCACHE}" -C "${TEMP}/initramfs-lvm-temp" ||
 308                         gen_die "Could not extract lvm binary cache!";
 309                 mv ${TEMP}/initramfs-lvm-temp/sbin/lvm.static ${TEMP}/initramfs-lvm-temp/bin/lvm ||
 310                         gen_die 'LVM error: Could not move lvm.static to lvm!'
 311                 # See bug 382555
 312                 mv ${TEMP}/initramfs-lvm-temp/sbin/dmsetup.static ${TEMP}/initramfs-lvm-temp/bin/dmsetup ||
 313                         gen_die 'LVM error: Could not move dmsetup.static to dmsetup!'
 314                 rm -rf ${TEMP}/initramfs-lvm-temp/{lib,share,man,include,sbin/{lvm,dmsetup}}
 315         fi
 316         if [ -x /sbin/lvm -o -x /bin/lvm ]
 317         then
 318 #               lvm dumpconfig 2>&1 > /dev/null || gen_die 'Could not copy over lvm.conf!'
 319 #               ret=$?
 320 #               if [ ${ret} != 0 ]
 321 #               then
 322                         cp /etc/lvm/lvm.conf "${TEMP}/initramfs-lvm-temp/etc/lvm/" ||
 323                                 gen_die 'Could not copy over lvm.conf!'
 324 #               else
 325 #                       gen_die 'Could not copy over lvm.conf!'
 326 #               fi
 327         fi
 328         cd "${TEMP}/initramfs-lvm-temp/"
 329         log_future_cpio_content
 330         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 331                         || gen_die "compressing lvm cpio"
 332         cd "${TEMP}"
 333         rm -r "${TEMP}/initramfs-lvm-temp/"
 334 }
 335
 336 append_mdadm(){
 337         if [ -d "${TEMP}/initramfs-mdadm-temp" ]
 338         then
 339                 rm -r "${TEMP}/initramfs-mdadm-temp/"
 340         fi
 341         cd ${TEMP}
 342         mkdir -p "${TEMP}/initramfs-mdadm-temp/etc/"
 343         mkdir -p "${TEMP}/initramfs-mdadm-temp/sbin/"
 344         if [ "${MDADM}" = '1' ]
 345         then
 346                 if [ -n "${MDADM_CONFIG}" ]
 347                 then
 348                         if [ -f "${MDADM_CONFIG}" ]
 349                         then
 350                                 cp -a "${MDADM_CONFIG}" "${TEMP}/initramfs-mdadm-temp/etc/mdadm.conf" \
 351                                 || gen_die "Could not copy mdadm.conf!"
 352                         else
 353                                 gen_die 'sl${MDADM_CONFIG} does not exist!'
 354                         fi
 355                 else
 356                         print_info 1 '          MDADM: Skipping inclusion of mdadm.conf'
 357                 fi
 358
 359                 if [ -e '/sbin/mdadm' ] && LC_ALL="C" ldd /sbin/mdadm | grep -q 'not a dynamic executable' \
 360                 && [ -e '/sbin/mdmon' ] && LC_ALL="C" ldd /sbin/mdmon | grep -q 'not a dynamic executable'
 361                 then
 362                         print_info 1 '          MDADM: Adding support (using local static binaries /sbin/mdadm and /sbin/mdmon)...'
 363                         cp /sbin/mdadm /sbin/mdmon "${TEMP}/initramfs-mdadm-temp/sbin/" ||
 364                                 gen_die 'Could not copy over mdadm!'
 365                 else
 366                         print_info 1 '          MDADM: Adding support (compiling binaries)...'
 367                         compile_mdadm
 368                         /bin/tar -jxpf "${MDADM_BINCACHE}" -C "${TEMP}/initramfs-mdadm-temp" ||
 369                                 gen_die "Could not extract mdadm binary cache!";
 370                 fi
 371         fi
 372         cd "${TEMP}/initramfs-mdadm-temp/"
 373         log_future_cpio_content
 374         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 375                         || gen_die "compressing mdadm cpio"
 376         cd "${TEMP}"
 377         rm -rf "${TEMP}/initramfs-mdadm-temp" > /dev/null
 378 }
 379
 380 append_zfs(){
 381         if [ -d "${TEMP}/initramfs-zfs-temp" ]
 382         then
 383                 rm -r "${TEMP}/initramfs-zfs-temp"
 384         fi
 385
 386         mkdir -p "${TEMP}/initramfs-zfs-temp/etc/zfs/"
 387
 388         # Copy files to /etc/zfs
 389         for i in /etc/zfs/{zdev.conf,zpool.cache}
 390         do
 391                 cp -a "${i}" "${TEMP}/initramfs-zfs-temp/etc/zfs" \
 392                         || gen_die "Could not copy file ${i} for ZFS"
 393         done
 394
 395         # Copy binaries
 396         copy_binaries "${TEMP}/initramfs-zfs-temp" /sbin/{mount.zfs,zfs,zpool}
 397
 398         cd "${TEMP}/initramfs-zfs-temp/"
 399         log_future_cpio_content
 400         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 401                         || gen_die "compressing zfs cpio"
 402         cd "${TEMP}"
 403         rm -rf "${TEMP}/initramfs-zfs-temp" > /dev/null
 404 }
 405
 406 append_splash(){
 407         splash_geninitramfs=`which splash_geninitramfs 2>/dev/null`
 408         if [ -x "${splash_geninitramfs}" ]
 409         then
 410                 [ -z "${SPLASH_THEME}" ] && [ -e /etc/conf.d/splash ] && source /etc/conf.d/splash
 411                 [ -z "${SPLASH_THEME}" ] && SPLASH_THEME=default
 412                 print_info 1 "  >> Installing splash [ using the ${SPLASH_THEME} theme ]..."
 413                 if [ -d "${TEMP}/initramfs-splash-temp" ]
 414                 then
 415                         rm -r "${TEMP}/initramfs-splash-temp/"
 416                 fi
 417                 mkdir -p "${TEMP}/initramfs-splash-temp"
 418                 cd /
 419                 local tmp=""
 420                 [ -n "${SPLASH_RES}" ] && tmp="-r ${SPLASH_RES}"
 421                 splash_geninitramfs -c "${TEMP}/initramfs-splash-temp" ${tmp} ${SPLASH_THEME} || gen_die "Could not build splash cpio archive"
 422                 if [ -e "/usr/share/splashutils/initrd.splash" ]; then
 423                         mkdir -p "${TEMP}/initramfs-splash-temp/etc"
 424                         cp -f "/usr/share/splashutils/initrd.splash" "${TEMP}/initramfs-splash-temp/etc"
 425                 fi
 426                 cd "${TEMP}/initramfs-splash-temp/"
 427                 log_future_cpio_content
 428                 find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 429                         || gen_die "compressing splash cpio"
 430                 cd "${TEMP}"
 431                 rm -r "${TEMP}/initramfs-splash-temp/"
 432         else
 433                 print_warning 1 '               >> No splash detected; skipping!'
 434         fi
 435 }
 436
 437 append_overlay(){
 438         cd ${INITRAMFS_OVERLAY}
 439         log_future_cpio_content
 440         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 441                         || gen_die "compressing overlay cpio"
 442 }
 443
 444 append_luks() {
 445         local _luks_error_format="LUKS support cannot be included: %s.  Please emerge sys-fs/cryptsetup[static]."
 446         local _luks_source=/sbin/cryptsetup
 447         local _luks_dest=/sbin/cryptsetup
 448
 449         if [ -d "${TEMP}/initramfs-luks-temp" ]
 450         then
 451                 rm -r "${TEMP}/initramfs-luks-temp/"
 452         fi
 453
 454         mkdir -p "${TEMP}/initramfs-luks-temp/lib/luks/"
 455         mkdir -p "${TEMP}/initramfs-luks-temp/sbin"
 456         cd "${TEMP}/initramfs-luks-temp"
 457
 458         if isTrue ${LUKS}
 459         then
 460                 [ -x "${_luks_source}" ] \
 461                                 || gen_die "$(printf "${_luks_error_format}" "no file ${_luks_source}")"
 462
 463                 print_info 1 "Including LUKS support"
 464                 copy_binaries "${TEMP}/initramfs-luks-temp/" /sbin/cryptsetup
 465         fi
 466
 467         log_future_cpio_content
 468         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 469                 || gen_die "appending cryptsetup to cpio"
 470
 471         cd "${TEMP}"
 472         rm -r "${TEMP}/initramfs-luks-temp/"
 473 }
 474
 475 append_firmware() {
 476         if [ -z "${FIRMWARE_FILES}" -a ! -d "${FIRMWARE_DIR}" ]
 477         then
 478                 gen_die "specified firmware directory (${FIRMWARE_DIR}) does not exist"
 479         fi
 480         if [ -d "${TEMP}/initramfs-firmware-temp" ]
 481         then
 482                 rm -r "${TEMP}/initramfs-firmware-temp/"
 483         fi
 484         mkdir -p "${TEMP}/initramfs-firmware-temp/lib/firmware"
 485         cd "${TEMP}/initramfs-firmware-temp"
 486         if [ -n "${FIRMWARE_FILES}" ]
 487         then
 488                 OLD_IFS=$IFS
 489                 IFS=","
 490                 for i in ${FIRMWARE_FILES}
 491                 do
 492                         cp -L "${i}" ${TEMP}/initramfs-firmware-temp/lib/firmware/
 493                 done
 494                 IFS=$OLD_IFS
 495         else
 496                 cp -a "${FIRMWARE_DIR}"/* ${TEMP}/initramfs-firmware-temp/lib/firmware/
 497         fi
 498         log_future_cpio_content
 499         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 500                 || gen_die "appending firmware to cpio"
 501         cd "${TEMP}"
 502         rm -r "${TEMP}/initramfs-firmware-temp/"
 503 }
 504
 505 append_gpg() {
 506         if [ -d "${TEMP}/initramfs-gpg-temp" ]
 507         then
 508                 rm -r "${TEMP}/initramfs-gpg-temp"
 509         fi
 510         cd ${TEMP}
 511         mkdir -p "${TEMP}/initramfs-gpg-temp/sbin/"
 512         if [ ! -e ${GPG_BINCACHE} ] ; then
 513                 print_info 1 '          GPG: Adding support (compiling binaries)...'
 514                 compile_gpg
 515         fi
 516         bzip2 -dc "${GPG_BINCACHE}" > "${TEMP}/initramfs-gpg-temp/sbin/gpg" ||
 517                 gen_die 'Could not extract gpg binary cache!'
 518         chmod a+x "${TEMP}/initramfs-gpg-temp/sbin/gpg"
 519         cd "${TEMP}/initramfs-gpg-temp/"
 520         log_future_cpio_content
 521         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
 522         rm -rf "${TEMP}/initramfs-gpg-temp" > /dev/null
 523 }
 524
 525 print_list()
 526 {
 527         local x
 528         for x in ${*}
 529         do
 530                 echo ${x}
 531         done
 532 }
 533
 534 append_modules() {
 535         local group
 536         local group_modules
 537         local MOD_EXT=".ko"
 538
 539         print_info 2 "initramfs: >> Searching for modules..."
 540         if [ "${INSTALL_MOD_PATH}" != '' ]
 541         then
 542           cd ${INSTALL_MOD_PATH}
 543         else
 544           cd /
 545         fi
 546
 547         if [ -d "${TEMP}/initramfs-modules-${KV}-temp" ]
 548         then
 549                 rm -r "${TEMP}/initramfs-modules-${KV}-temp/"
 550         fi
 551         mkdir -p "${TEMP}/initramfs-modules-${KV}-temp/lib/modules/${KV}"
 552         for i in `gen_dep_list`
 553         do
 554                 mymod=`find ./lib/modules/${KV} -name "${i}${MOD_EXT}" 2>/dev/null| head -n 1 `
 555                 if [ -z "${mymod}" ]
 556                 then
 557                         print_warning 2 "Warning :: ${i}${MOD_EXT} not found; skipping..."
 558                         continue;
 559                 fi
 560
 561                 print_info 2 "initramfs: >> Copying ${i}${MOD_EXT}..."
 562                 cp -ax --parents "${mymod}" "${TEMP}/initramfs-modules-${KV}-temp"
 563         done
 564
 565         cp -ax --parents ./lib/modules/${KV}/modules* ${TEMP}/initramfs-modules-${KV}-temp 2>/dev/null
 566
 567         mkdir -p "${TEMP}/initramfs-modules-${KV}-temp/etc/modules"
 568         for group_modules in ${!MODULES_*}; do
 569                 group="$(echo $group_modules | cut -d_ -f2 | tr "[:upper:]" "[:lower:]")"
 570                 print_list ${!group_modules} > "${TEMP}/initramfs-modules-${KV}-temp/etc/modules/${group}"
 571         done
 572         cd "${TEMP}/initramfs-modules-${KV}-temp/"
 573         log_future_cpio_content
 574         find . | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 575                         || gen_die "compressing modules cpio"
 576         cd "${TEMP}"
 577         rm -r "${TEMP}/initramfs-modules-${KV}-temp/"
 578 }
 579
 580 # check for static linked file with objdump
 581 is_static() {
 582         LANG="C" LC_ALL="C" objdump -T $1 2>&1 | grep "not a dynamic object" > /dev/null
 583         return $?
 584 }
 585
 586 append_auxilary() {
 587         if [ -d "${TEMP}/initramfs-aux-temp" ]
 588         then
 589                 rm -r "${TEMP}/initramfs-aux-temp/"
 590         fi
 591         mkdir -p "${TEMP}/initramfs-aux-temp/etc"
 592         mkdir -p "${TEMP}/initramfs-aux-temp/sbin"
 593         if [ -f "${CMD_LINUXRC}" ]
 594         then
 595                 cp "${CMD_LINUXRC}" "${TEMP}/initramfs-aux-temp/init"
 596                 print_info 2 "        >> Copying user specified linuxrc: ${CMD_LINUXRC} to init"
 597         else
 598                 if isTrue ${NETBOOT}
 599                 then
 600                         cp "${GK_SHARE}/netboot/linuxrc.x" "${TEMP}/initramfs-aux-temp/init"
 601                 else
 602                         if [ -f "${GK_SHARE}/arch/${ARCH}/linuxrc" ]
 603                         then
 604                                 cp "${GK_SHARE}/arch/${ARCH}/linuxrc" "${TEMP}/initramfs-aux-temp/init"
 605                         else
 606                                 cp "${GK_SHARE}/defaults/linuxrc" "${TEMP}/initramfs-aux-temp/init"
 607                         fi
 608                 fi
 609         fi
 610
 611         # Make sure it's executable
 612         chmod 0755 "${TEMP}/initramfs-aux-temp/init"
 613
 614         # Make a symlink to init .. incase we are bundled inside the kernel as one
 615         # big cpio.
 616         cd ${TEMP}/initramfs-aux-temp
 617         ln -s init linuxrc
 618 #       ln ${TEMP}/initramfs-aux-temp/init ${TEMP}/initramfs-aux-temp/linuxrc
 619
 620         if [ -f "${GK_SHARE}/arch/${ARCH}/initrd.scripts" ]
 621         then
 622                 cp "${GK_SHARE}/arch/${ARCH}/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
 623         else
 624                 cp "${GK_SHARE}/defaults/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
 625         fi
 626
 627         if [ -f "${GK_SHARE}/arch/${ARCH}/initrd.defaults" ]
 628         then
 629                 cp "${GK_SHARE}/arch/${ARCH}/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 630         else
 631                 cp "${GK_SHARE}/defaults/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 632         fi
 633
 634         if [ -n "${REAL_ROOT}" ]
 635         then
 636                 sed -i "s:^REAL_ROOT=.*$:REAL_ROOT='${REAL_ROOT}':" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 637         fi
 638
 639         echo -n 'HWOPTS="$HWOPTS ' >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 640         for group_modules in ${!MODULES_*}; do
 641                 group="$(echo $group_modules | cut -d_ -f2 | tr "[:upper:]" "[:lower:]")"
 642                 echo -n "${group} " >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 643         done
 644         echo '"' >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 645
 646         if [ -f "${GK_SHARE}/arch/${ARCH}/modprobe" ]
 647         then
 648                 cp "${GK_SHARE}/arch/${ARCH}/modprobe" "${TEMP}/initramfs-aux-temp/sbin/modprobe"
 649         else
 650                 cp "${GK_SHARE}/defaults/modprobe" "${TEMP}/initramfs-aux-temp/sbin/modprobe"
 651         fi
 652         if isTrue $CMD_DOKEYMAPAUTO
 653         then
 654                 echo 'MY_HWOPTS="${MY_HWOPTS} keymap"' >> ${TEMP}/initramfs-aux-temp/etc/initrd.defaults
 655         fi
 656         if isTrue $CMD_KEYMAP
 657         then
 658                 print_info 1 "        >> Copying keymaps"
 659                 mkdir -p "${TEMP}/initramfs-aux-temp/lib/"
 660                 cp -R "${GK_SHARE}/defaults/keymaps" "${TEMP}/initramfs-aux-temp/lib/" \
 661                                 || gen_die "Error while copying keymaps"
 662         fi
 663
 664         cd ${TEMP}/initramfs-aux-temp/sbin && ln -s ../init init
 665         cd ${TEMP}
 666         chmod +x "${TEMP}/initramfs-aux-temp/init"
 667         chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
 668         chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
 669         chmod +x "${TEMP}/initramfs-aux-temp/sbin/modprobe"
 670
 671         if isTrue ${NETBOOT}
 672         then
 673                 cd "${GK_SHARE}/netboot/misc"
 674                 cp -pPRf * "${TEMP}/initramfs-aux-temp/"
 675         fi
 676
 677         cd "${TEMP}/initramfs-aux-temp/"
 678         log_future_cpio_content
 679         find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
 680                         || gen_die "compressing auxilary cpio"
 681         cd "${TEMP}"
 682         rm -r "${TEMP}/initramfs-aux-temp/"
 683 }
 684
 685 append_data() {
 686         local name=$1 var=$2
 687         local func="append_${name}"
 688
 689         [ $# -eq 0 ] && gen_die "append_data() called with zero arguments"
 690         if [ $# -eq 1 ] || isTrue ${var}
 691         then
 692             print_info 1 "        >> Appending ${name} cpio data..."
 693             ${func} || gen_die "${func}() failed"
 694         fi
 695 }
 696
 697 create_initramfs() {
 698         local compress_ext=""
 699         print_info 1 "initramfs: >> Initializing..."
 700
 701         # Create empty cpio
 702         CPIO="${TMPDIR}/initramfs-${KV}"
 703         echo | cpio ${CPIO_ARGS} -F "${CPIO}" 2>/dev/null \
 704                 || gen_die "Could not create empty cpio at ${CPIO}"
 705
 706         append_data 'base_layout'
 707         append_data 'auxilary' "${BUSYBOX}"
 708         append_data 'busybox' "${BUSYBOX}"
 709         append_data 'lvm' "${LVM}"
 710         append_data 'dmraid' "${DMRAID}"
 711         append_data 'iscsi' "${ISCSI}"
 712         append_data 'mdadm' "${MDADM}"
 713         append_data 'luks' "${LUKS}"
 714         append_data 'multipath' "${MULTIPATH}"
 715         append_data 'gpg' "${GPG}"
 716
 717         if [ "${RAMDISKMODULES}" = '1' ]
 718         then
 719                 append_data 'modules'
 720         else
 721                 print_info 1 "initramfs: Not copying modules..."
 722         fi
 723
 724         append_data 'zfs' "${ZFS}"
 725
 726         append_data 'blkid' "${DISKLABEL}"
 727
 728         append_data 'unionfs_fuse' "${UNIONFS}"
 729
 730         append_data 'splash' "${SPLASH}"
 731
 732         if isTrue "${FIRMWARE}" && [ -n "${FIRMWARE_DIR}" ]
 733         then
 734                 append_data 'firmware'
 735         fi
 736
 737         # This should always be appended last
 738         if [ "${INITRAMFS_OVERLAY}" != '' ]
 739         then
 740                 append_data 'overlay'
 741         fi
 742
 743         if isTrue "${INTEGRATED_INITRAMFS}"
 744         then
 745                 # Explicitly do not compress if we are integrating into the kernel.
 746                 # The kernel will do a better job of it than us.
 747                 mv ${TMPDIR}/initramfs-${KV} ${TMPDIR}/initramfs-${KV}.cpio
 748                 sed -i '/^.*CONFIG_INITRAMFS_SOURCE=.*$/d' ${KERNEL_DIR}/.config
 749                 cat >>${KERNEL_DIR}/.config     <<-EOF
 750                 CONFIG_INITRAMFS_SOURCE="${TMPDIR}/initramfs-${KV}.cpio${compress_ext}"
 751                 CONFIG_INITRAMFS_ROOT_UID=0
 752                 CONFIG_INITRAMFS_ROOT_GID=0
 753                 EOF
 754         else
 755                 if isTrue "${COMPRESS_INITRD}"
 756                 then
 757                         cmd_xz=$(type -p xz)
 758                         cmd_lzma=$(type -p lzma)
 759                         cmd_bzip2=$(type -p bzip2)
 760                         cmd_gzip=$(type -p gzip)
 761                         cmd_lzop=$(type -p lzop)
 762                         pkg_xz='app-arch/xz-utils'
 763                         pkg_lzma='app-arch/xz-utils'
 764                         pkg_bzip2='app-arch/bzip2'
 765                         pkg_gzip='app-arch/gzip'
 766                         pkg_lzop='app-arch/lzop'
 767                         local compression
 768                         case ${COMPRESS_INITRD_TYPE} in
 769                                 xz|lzma|bzip2|gzip|lzop) compression=${COMPRESS_INITRD_TYPE} ;;
 770                                 lzo) compression=lzop ;;
 771                                 best|fastest)
 772                                         for tuple in \
 773                                                         'CONFIG_RD_XZ    cmd_xz    xz' \
 774                                                         'CONFIG_RD_LZMA  cmd_lzma  lzma' \
 775                                                         'CONFIG_RD_BZIP2 cmd_bzip2 bzip' \
 776                                                         'CONFIG_RD_GZIP  cmd_gzip  gzip' \
 777                                                         'CONFIG_RD_LZO   cmd_lzop  lzop'; do
 778                                                 set -- ${tuple}
 779                                                 kernel_option=$1
 780                                                 cmd_variable_name=$2
 781                                                 if grep -sq "^${kernel_option}=y" ${KERNEL_DIR}/.config && test -n "${!cmd_variable_name}" ; then
 782                                                         compression=$3
 783                                                         [[ ${COMPRESS_INITRD_TYPE} == best ]] && break
 784                                                 fi
 785                                         done
 786                                         ;;
 787                                 *)
 788                                         gen_die "Compression '${COMPRESS_INITRD_TYPE}' unknown"
 789                                         ;;
 790                         esac
 791
 792                         # Check for actual availability
 793                         cmd_variable_name=cmd_${compression}
 794                         pkg_variable_name=pkg_${compression}
 795                         [[ -z "${!cmd_variable_name}" ]] && gen_die "Compression '${compression}' is not available. Please install package '${!pkg_variable_name}'."
 796
 797                         case $compression in
 798                                 xz) compress_ext='.xz' compress_cmd="${cmd_xz} -e --check=none -z -f -9" ;;
 799                                 lzma) compress_ext='.lzma' compress_cmd="${cmd_lzma} -z -f -9" ;;
 800                                 bzip2) compress_ext='.bz2' compress_cmd="${cmd_bzip2} -z -f -9" ;;
 801                                 gzip) compress_ext='.gz' compress_cmd="${cmd_gzip} -f -9" ;;
 802                                 lzop) compress_ext='.lzo' compress_cmd="${cmd_lzop} -f -9" ;;
 803                         esac
 804
 805                         if [ -n "${compression}" ]; then
 806                                 print_info 1 "        >> Compressing cpio data (${compress_ext})..."
 807                                 ${compress_cmd} "${CPIO}" || gen_die "Compression (${compress_cmd}) failed"
 808                                 mv -f "${CPIO}${compress_ext}" "${CPIO}" || gen_die "Rename failed"
 809                         else
 810                                 print_info 1 "        >> Not compressing cpio data ..."
 811                         fi
 812                 fi
 813         fi
 814
 815         if isTrue "${CMD_INSTALL}"
 816         then
 817                 if ! isTrue "${INTEGRATED_INITRAMFS}"
 818                 then
 819                         copy_image_with_preserve "initramfs" \
 820                                 "${TMPDIR}/initramfs-${KV}" \
 821                                 "initramfs-${KNAME}-${ARCH}-${KV}"
 822                 fi
 823         fi
 824 }