Use blkid from system's util-linux rather than compiling e2fsprogs ourselves
[proj/genkernel.git] / 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 }