aboutsummaryrefslogtreecommitdiff
blob: f0b63d9f169f43e71b3aaf7f4c9eab93534b1d14 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
#!/bin/bash
# $Id$

CPIO_ARGS="--quiet -o -H newc"

# The copy_binaries function is explicitly released under the CC0 license to
# encourage wide adoption and re-use.  That means:
# - You may use the code of copy_binaries() as CC0 outside of genkernel
# - Contributions to this function are licensed under CC0 as well.
# - If you change it outside of genkernel, please consider sending your
#   modifications back to genkernel@gentoo.org.
#
# On a side note: "Both public domain works and the simple license provided by
#                  CC0 are compatible with the GNU GPL."
#                 (from https://www.gnu.org/licenses/license-list.html#CC0)
#
# Written by: 
# - Sebastian Pipping <sebastian@pipping.org> (error checking)
# - Robin H. Johnson <robbat2@gentoo.org> (complete rewrite)
# - Richard Yao <ryao@cs.stonybrook.edu> (original concept)
# Usage:
# copy_binaries DESTDIR BINARIES...
copy_binaries() {
	local destdir=$1
	shift

	for binary in "$@"; do
		[[ -e "${binary}" ]] \
				|| gen_die "Binary ${binary} could not be found"

		if LC_ALL=C lddtree "${binary}" 2>&1 | fgrep -q 'not found'; then
			gen_die "Binary ${binary} is linked to missing libraries and may need to be re-built"
		fi
	done
	# This must be OUTSIDE the for loop, we only want to run lddtree etc ONCE.
	lddtree "$@" \
			| tr ')(' '\n' \
			| awk  '/=>/{ if($3 ~ /^\//){print $3}}' \
			| sort \
			| uniq \
			| cpio -p --make-directories --dereference --quiet "${destdir}" \
			|| gen_die "Binary ${f} or some of its library dependencies could not be copied"
}

log_future_cpio_content() {
	if [[ "${LOGLEVEL}" -gt 1 ]]; then
		echo =================================================================
		echo "About to add these files from '${PWD}' to cpio archive:"
		find . | xargs ls -ald
		echo =================================================================
	fi
}

append_base_layout() {
	if [ -d "${TEMP}/initramfs-base-temp" ]
	then
		rm -rf "${TEMP}/initramfs-base-temp" > /dev/null
	fi

	mkdir -p ${TEMP}/initramfs-base-temp/dev
	mkdir -p ${TEMP}/initramfs-base-temp/bin
	mkdir -p ${TEMP}/initramfs-base-temp/etc
	mkdir -p ${TEMP}/initramfs-base-temp/usr
	mkdir -p ${TEMP}/initramfs-base-temp/lib
	mkdir -p ${TEMP}/initramfs-base-temp/mnt
	mkdir -p ${TEMP}/initramfs-base-temp/run
	mkdir -p ${TEMP}/initramfs-base-temp/sbin
	mkdir -p ${TEMP}/initramfs-base-temp/proc
	mkdir -p ${TEMP}/initramfs-base-temp/temp
	mkdir -p ${TEMP}/initramfs-base-temp/tmp
	mkdir -p ${TEMP}/initramfs-base-temp/sys
	mkdir -p ${TEMP}/initramfs-temp/.initrd
	mkdir -p ${TEMP}/initramfs-base-temp/var/lock/dmraid
	mkdir -p ${TEMP}/initramfs-base-temp/sbin
	mkdir -p ${TEMP}/initramfs-base-temp/usr/bin
	mkdir -p ${TEMP}/initramfs-base-temp/usr/sbin
	ln -s  lib  ${TEMP}/initramfs-base-temp/lib64

	echo "/dev/ram0     /           ext2    defaults	0 0" > ${TEMP}/initramfs-base-temp/etc/fstab
	echo "proc          /proc       proc    defaults    0 0" >> ${TEMP}/initramfs-base-temp/etc/fstab

	cd ${TEMP}/initramfs-base-temp/dev
	mknod -m 660 console c 5 1
	mknod -m 660 null c 1 3
	mknod -m 660 zero c 1 5
	mknod -m 600 tty0 c 4 0
	mknod -m 600 tty1 c 4 1
	mknod -m 600 ttyS0 c 4 64

	date -u '+%Y%m%d-%H%M%S' > ${TEMP}/initramfs-base-temp/etc/build_date

	cd "${TEMP}/initramfs-base-temp/"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing baselayout cpio"
	cd "${TEMP}"
	rm -rf "${TEMP}/initramfs-base-temp" > /dev/null
}

append_busybox() {
	if [ -d "${TEMP}/initramfs-busybox-temp" ]
	then
		rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
	fi

	mkdir -p "${TEMP}/initramfs-busybox-temp/bin/" 
	tar -xjf "${BUSYBOX_BINCACHE}" -C "${TEMP}/initramfs-busybox-temp/bin" busybox ||
		gen_die 'Could not extract busybox bincache!'
	chmod +x "${TEMP}/initramfs-busybox-temp/bin/busybox"

	mkdir -p "${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/"
	cp "${GK_SHARE}/defaults/udhcpc.scripts" ${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/default.script
	chmod +x "${TEMP}/initramfs-busybox-temp/usr/share/udhcpc/default.script"

	# Set up a few default symlinks
	for i in ${BUSYBOX_APPLETS:-[ ash sh mount uname echo cut cat}; do
		rm -f ${TEMP}/initramfs-busybox-temp/bin/$i > /dev/null
		ln -s busybox ${TEMP}/initramfs-busybox-temp/bin/$i ||
			gen_die "Busybox error: could not link ${i}!"
	done

	cd "${TEMP}/initramfs-busybox-temp/"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing busybox cpio"
	cd "${TEMP}"
	rm -rf "${TEMP}/initramfs-busybox-temp" > /dev/null
}

append_blkid(){
	if [ -d "${TEMP}/initramfs-blkid-temp" ]
	then
		rm -r "${TEMP}/initramfs-blkid-temp/"
	fi
	cd ${TEMP}
	mkdir -p "${TEMP}/initramfs-blkid-temp/"

	if [[ "${DISKLABEL}" = "1" ]]; then
		copy_binaries "${TEMP}"/initramfs-blkid-temp/ /sbin/blkid
	fi

	cd "${TEMP}/initramfs-blkid-temp/"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing blkid cpio"
	cd "${TEMP}"
	rm -rf "${TEMP}/initramfs-blkid-temp" > /dev/null
}

#append_fuse() {
#	if [ -d "${TEMP}/initramfs-fuse-temp" ]
#	then
#		rm -r "${TEMP}/initramfs-fuse-temp"
#	fi
#	cd ${TEMP}
#	mkdir -p "${TEMP}/initramfs-fuse-temp/lib/"
#	tar -C "${TEMP}/initramfs-fuse-temp/lib/" -xjf "${FUSE_BINCACHE}"
#	cd "${TEMP}/initramfs-fuse-temp/"
#	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
#			|| gen_die "compressing fuse cpio"
#	rm -rf "${TEMP}/initramfs-fuse-temp" > /dev/null
#}

append_unionfs_fuse() {
	if [ -d "${TEMP}/initramfs-unionfs-fuse-temp" ]
	then
		rm -r "${TEMP}/initramfs-unionfs-fuse-temp"
	fi
	cd ${TEMP}
	mkdir -p "${TEMP}/initramfs-unionfs-fuse-temp/sbin/"
	bzip2 -dc "${UNIONFS_FUSE_BINCACHE}" > "${TEMP}/initramfs-unionfs-fuse-temp/sbin/unionfs" ||
		gen_die 'Could not extract unionfs-fuse binary cache!'
	chmod a+x "${TEMP}/initramfs-unionfs-fuse-temp/sbin/unionfs"
	cd "${TEMP}/initramfs-unionfs-fuse-temp/"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing unionfs fuse cpio"
	cd "${TEMP}"
	rm -rf "${TEMP}/initramfs-unionfs-fuse-temp" > /dev/null
}

#append_suspend(){
#	if [ -d "${TEMP}/initramfs-suspend-temp" ];
#	then
#		rm -r "${TEMP}/initramfs-suspend-temp/"
#	fi
#	print_info 1 'SUSPEND: Adding support (compiling binaries)...'
#	compile_suspend
#	mkdir -p "${TEMP}/initramfs-suspend-temp/"
#	/bin/tar -jxpf "${SUSPEND_BINCACHE}" -C "${TEMP}/initramfs-suspend-temp" ||
#		gen_die "Could not extract suspend binary cache!"
#	mkdir -p "${TEMP}/initramfs-suspend-temp/etc"
#	cp -f /etc/suspend.conf "${TEMP}/initramfs-suspend-temp/etc" ||
#		gen_die 'Could not copy /etc/suspend.conf'
#	cd "${TEMP}/initramfs-suspend-temp/"
#	log_future_cpio_content
#	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
#			|| gen_die "compressing suspend cpio"
#	rm -r "${TEMP}/initramfs-suspend-temp/"
#}

append_multipath(){
	if [ -d "${TEMP}/initramfs-multipath-temp" ]
	then
		rm -r "${TEMP}/initramfs-multipath-temp"
	fi
	print_info 1 '	Multipath support being added'
	mkdir -p "${TEMP}"/initramfs-multipath-temp/{bin,etc,sbin,lib}/

	# Copy files
	copy_binaries "${TEMP}/initramfs-multipath-temp" /sbin/{multipath,kpartx,mpath_prio_*,devmap_name,dmsetup} /lib64/udev/scsi_id /bin/mountpoint

	if [ -x /sbin/multipath ]
	then
		cp /etc/multipath.conf "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy /etc/multipath.conf please check this'
	fi
	# /etc/scsi_id.config does not exist in newer udevs
	# copy it optionally.
	if [ -x /sbin/scsi_id -a -f /etc/scsi_id.config ]
	then
		cp /etc/scsi_id.config "${TEMP}/initramfs-multipath-temp/etc/" || gen_die 'could not copy scsi_id.config'
	fi
	cd "${TEMP}/initramfs-multipath-temp"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing multipath cpio"
	cd "${TEMP}"
	rm -r "${TEMP}/initramfs-multipath-temp/"
}

append_dmraid(){
	if [ -d "${TEMP}/initramfs-dmraid-temp" ]
	then
		rm -r "${TEMP}/initramfs-dmraid-temp/"
	fi
	print_info 1 'DMRAID: Adding support (compiling binaries)...'
	compile_dmraid
	mkdir -p "${TEMP}/initramfs-dmraid-temp/"
	/bin/tar -jxpf "${DMRAID_BINCACHE}" -C "${TEMP}/initramfs-dmraid-temp" ||
		gen_die "Could not extract dmraid binary cache!";
	cd "${TEMP}/initramfs-dmraid-temp/"
	RAID456=`find . -type f -name raid456.ko`
	if [ -n "${RAID456}" ]
	then
		cd "${RAID456/raid456.ko/}"
		ln -sf raid456.kp raid45.ko
		cd "${TEMP}/initramfs-dmraid-temp/"
	fi
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing dmraid cpio"
	cd "${TEMP}"
	rm -r "${TEMP}/initramfs-dmraid-temp/"
}

append_iscsi(){
	if [ -d "${TEMP}/initramfs-iscsi-temp" ]
	then
		rm -r "${TEMP}/initramfs-iscsi-temp/"
	fi
	print_info 1 'iSCSI: Adding support (compiling binaries)...'
	compile_iscsi
	cd ${TEMP}
	mkdir -p "${TEMP}/initramfs-iscsi-temp/bin/"
	/bin/bzip2 -dc "${ISCSI_BINCACHE}" > "${TEMP}/initramfs-iscsi-temp/bin/iscsistart" ||
		gen_die "Could not extract iscsi binary cache!"
	chmod a+x "${TEMP}/initramfs-iscsi-temp/bin/iscsistart"
	cd "${TEMP}/initramfs-iscsi-temp/"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing iscsi cpio"
	cd "${TEMP}"
	rm -rf "${TEMP}/initramfs-iscsi-temp" > /dev/null
}

append_lvm(){
	if [ -d "${TEMP}/initramfs-lvm-temp" ]
	then
		rm -r "${TEMP}/initramfs-lvm-temp/"
	fi
	cd ${TEMP}
	mkdir -p "${TEMP}/initramfs-lvm-temp/bin/"
	mkdir -p "${TEMP}/initramfs-lvm-temp/etc/lvm/"
	if false && [ -e '/sbin/lvm.static' ]
	then
		print_info 1 '          LVM: Adding support (using local static binary /sbin/lvm.static)...'
		cp /sbin/lvm.static "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
			gen_die 'Could not copy over lvm!'
		# See bug 382555
		if [ -e '/sbin/dmsetup.static' ]
		then
			cp /sbin/dmsetup.static "${TEMP}/initramfs-lvm-temp/bin/dmsetup"
		fi
	elif false && [ -e '/sbin/lvm' ] && LC_ALL="C" ldd /sbin/lvm|grep -q 'not a dynamic executable'
	then
		print_info 1 '          LVM: Adding support (using local static binary /sbin/lvm)...'
		cp /sbin/lvm "${TEMP}/initramfs-lvm-temp/bin/lvm" ||
			gen_die 'Could not copy over lvm!'
		# See bug 382555
		if [ -e '/sbin/dmsetup' ] && LC_ALL="C" ldd /sbin/dmsetup | grep -q 'not a dynamic executable'
		then
			cp /sbin/dmsetup "${TEMP}/initramfs-lvm-temp/bin/dmsetup"
		fi
	else
		print_info 1 '          LVM: Adding support (compiling binaries)...'
		compile_lvm
		/bin/tar -jxpf "${LVM_BINCACHE}" -C "${TEMP}/initramfs-lvm-temp" ||
			gen_die "Could not extract lvm binary cache!";
		mv ${TEMP}/initramfs-lvm-temp/sbin/lvm.static ${TEMP}/initramfs-lvm-temp/bin/lvm ||
			gen_die 'LVM error: Could not move lvm.static to lvm!'
		# See bug 382555
		mv ${TEMP}/initramfs-lvm-temp/sbin/dmsetup.static ${TEMP}/initramfs-lvm-temp/bin/dmsetup ||
			gen_die 'LVM error: Could not move dmsetup.static to dmsetup!'
		rm -rf ${TEMP}/initramfs-lvm-temp/{lib,share,man,include,sbin/{lvm,dmsetup}}
	fi
	if [ -x /sbin/lvm -o -x /bin/lvm ]
	then
#		lvm dumpconfig 2>&1 > /dev/null || gen_die 'Could not copy over lvm.conf!'
#		ret=$?
#		if [ ${ret} != 0 ]
#		then
			cp /etc/lvm/lvm.conf "${TEMP}/initramfs-lvm-temp/etc/lvm/" ||
				gen_die 'Could not copy over lvm.conf!'
#		else
#			gen_die 'Could not copy over lvm.conf!'
#		fi
	fi
	cd "${TEMP}/initramfs-lvm-temp/"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing lvm cpio"
	cd "${TEMP}"
	rm -r "${TEMP}/initramfs-lvm-temp/"
}

append_mdadm(){
	if [ -d "${TEMP}/initramfs-mdadm-temp" ]
	then
		rm -r "${TEMP}/initramfs-mdadm-temp/"
	fi
	cd ${TEMP}
	mkdir -p "${TEMP}/initramfs-mdadm-temp/etc/"
	mkdir -p "${TEMP}/initramfs-mdadm-temp/sbin/"
	if [ "${MDADM}" = '1' ]
	then
		if [ -n "${MDADM_CONFIG}" ]
		then
			if [ -f "${MDADM_CONFIG}" ]
			then
				cp -a "${MDADM_CONFIG}" "${TEMP}/initramfs-mdadm-temp/etc/mdadm.conf" \
				|| gen_die "Could not copy mdadm.conf!"
			else
				gen_die 'sl${MDADM_CONFIG} does not exist!'
			fi
		else
			print_info 1 '		MDADM: Skipping inclusion of mdadm.conf'
		fi

		if [ -e '/sbin/mdadm' ] && LC_ALL="C" ldd /sbin/mdadm | grep -q 'not a dynamic executable' \
		&& [ -e '/sbin/mdmon' ] && LC_ALL="C" ldd /sbin/mdmon | grep -q 'not a dynamic executable'
		then
			print_info 1 '		MDADM: Adding support (using local static binaries /sbin/mdadm and /sbin/mdmon)...'
			cp /sbin/mdadm /sbin/mdmon "${TEMP}/initramfs-mdadm-temp/sbin/" ||
				gen_die 'Could not copy over mdadm!'
		else
			print_info 1 '		MDADM: Adding support (compiling binaries)...'
			compile_mdadm
			/bin/tar -jxpf "${MDADM_BINCACHE}" -C "${TEMP}/initramfs-mdadm-temp" ||
				gen_die "Could not extract mdadm binary cache!";
		fi
	fi
	cd "${TEMP}/initramfs-mdadm-temp/"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing mdadm cpio"
	cd "${TEMP}"
	rm -rf "${TEMP}/initramfs-mdadm-temp" > /dev/null
}

append_zfs(){
	if [ -d "${TEMP}/initramfs-zfs-temp" ]
	then
		rm -r "${TEMP}/initramfs-zfs-temp"
	fi

	mkdir -p "${TEMP}/initramfs-zfs-temp/etc/zfs/"

	# Copy files to /etc/zfs
	for i in /etc/zfs/{zdev.conf,zpool.cache}
	do
		cp -a "${i}" "${TEMP}/initramfs-zfs-temp/etc/zfs" \
			|| gen_die "Could not copy file ${i} for ZFS"
	done

	# Copy binaries
	copy_binaries "${TEMP}/initramfs-zfs-temp" /sbin/{mount.zfs,zfs,zpool}

	cd "${TEMP}/initramfs-zfs-temp/"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing zfs cpio"
	cd "${TEMP}"
	rm -rf "${TEMP}/initramfs-zfs-temp" > /dev/null
}

append_splash(){
	splash_geninitramfs=`which splash_geninitramfs 2>/dev/null`
	if [ -x "${splash_geninitramfs}" ]
	then
		[ -z "${SPLASH_THEME}" ] && [ -e /etc/conf.d/splash ] && source /etc/conf.d/splash
		[ -z "${SPLASH_THEME}" ] && SPLASH_THEME=default
		print_info 1 "  >> Installing splash [ using the ${SPLASH_THEME} theme ]..."
		if [ -d "${TEMP}/initramfs-splash-temp" ]
		then
			rm -r "${TEMP}/initramfs-splash-temp/"
		fi
		mkdir -p "${TEMP}/initramfs-splash-temp"
		cd /
		local tmp=""
		[ -n "${SPLASH_RES}" ] && tmp="-r ${SPLASH_RES}"
		splash_geninitramfs -c "${TEMP}/initramfs-splash-temp" ${tmp} ${SPLASH_THEME} || gen_die "Could not build splash cpio archive"
		if [ -e "/usr/share/splashutils/initrd.splash" ]; then
			mkdir -p "${TEMP}/initramfs-splash-temp/etc"
			cp -f "/usr/share/splashutils/initrd.splash" "${TEMP}/initramfs-splash-temp/etc"
		fi
		cd "${TEMP}/initramfs-splash-temp/"
		log_future_cpio_content
		find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing splash cpio"
		cd "${TEMP}"
		rm -r "${TEMP}/initramfs-splash-temp/"
	else
		print_warning 1 '               >> No splash detected; skipping!'
	fi
}

append_overlay(){
	cd ${INITRAMFS_OVERLAY}
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing overlay cpio"
}

append_luks() {
	local _luks_error_format="LUKS support cannot be included: %s.  Please emerge sys-fs/cryptsetup[static]."
	local _luks_source=/sbin/cryptsetup
	local _luks_dest=/sbin/cryptsetup

	if [ -d "${TEMP}/initramfs-luks-temp" ]
	then
		rm -r "${TEMP}/initramfs-luks-temp/"
	fi

	mkdir -p "${TEMP}/initramfs-luks-temp/lib/luks/"
	mkdir -p "${TEMP}/initramfs-luks-temp/sbin"
	cd "${TEMP}/initramfs-luks-temp"

	if isTrue ${LUKS}
	then
		[ -x "${_luks_source}" ] \
				|| gen_die "$(printf "${_luks_error_format}" "no file ${_luks_source}")"

		print_info 1 "Including LUKS support"
		copy_binaries "${TEMP}/initramfs-luks-temp/" /sbin/cryptsetup
	fi

	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
		|| gen_die "appending cryptsetup to cpio"

	cd "${TEMP}"
	rm -r "${TEMP}/initramfs-luks-temp/"
}

append_firmware() {
	if [ -z "${FIRMWARE_FILES}" -a ! -d "${FIRMWARE_DIR}" ]
	then
		gen_die "specified firmware directory (${FIRMWARE_DIR}) does not exist"
	fi
	if [ -d "${TEMP}/initramfs-firmware-temp" ]
	then
		rm -r "${TEMP}/initramfs-firmware-temp/"
	fi
	mkdir -p "${TEMP}/initramfs-firmware-temp/lib/firmware"
	cd "${TEMP}/initramfs-firmware-temp"
	if [ -n "${FIRMWARE_FILES}" ]
	then
		OLD_IFS=$IFS
		IFS=","
		for i in ${FIRMWARE_FILES}
		do
			cp -L "${i}" ${TEMP}/initramfs-firmware-temp/lib/firmware/
		done
		IFS=$OLD_IFS
	else
		cp -a "${FIRMWARE_DIR}"/* ${TEMP}/initramfs-firmware-temp/lib/firmware/
	fi
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
		|| gen_die "appending firmware to cpio"
	cd "${TEMP}"
	rm -r "${TEMP}/initramfs-firmware-temp/"
}

append_gpg() {
	if [ -d "${TEMP}/initramfs-gpg-temp" ]
	then
		rm -r "${TEMP}/initramfs-gpg-temp"
	fi
	cd ${TEMP}
	mkdir -p "${TEMP}/initramfs-gpg-temp/sbin/"
	if [ ! -e ${GPG_BINCACHE} ] ; then
		print_info 1 '		GPG: Adding support (compiling binaries)...'
		compile_gpg
	fi
	bzip2 -dc "${GPG_BINCACHE}" > "${TEMP}/initramfs-gpg-temp/sbin/gpg" ||
		gen_die 'Could not extract gpg binary cache!'
	chmod a+x "${TEMP}/initramfs-gpg-temp/sbin/gpg"
	cd "${TEMP}/initramfs-gpg-temp/"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}"
	rm -rf "${TEMP}/initramfs-gpg-temp" > /dev/null
}

print_list()
{
	local x
	for x in ${*}
	do
		echo ${x}
	done
}

append_modules() {
	local group
	local group_modules
	local MOD_EXT=".ko"

	print_info 2 "initramfs: >> Searching for modules..."
	if [ "${INSTALL_MOD_PATH}" != '' ]
	then
	  cd ${INSTALL_MOD_PATH}
	else
	  cd /
	fi

	if [ -d "${TEMP}/initramfs-modules-${KV}-temp" ]
	then
		rm -r "${TEMP}/initramfs-modules-${KV}-temp/"
	fi
	mkdir -p "${TEMP}/initramfs-modules-${KV}-temp/lib/modules/${KV}"
	for i in `gen_dep_list`
	do
		mymod=`find ./lib/modules/${KV} -name "${i}${MOD_EXT}" 2>/dev/null| head -n 1 `
		if [ -z "${mymod}" ]
		then
			print_warning 2 "Warning :: ${i}${MOD_EXT} not found; skipping..."
			continue;
		fi

		print_info 2 "initramfs: >> Copying ${i}${MOD_EXT}..."
		cp -ax --parents "${mymod}" "${TEMP}/initramfs-modules-${KV}-temp"
	done

	cp -ax --parents ./lib/modules/${KV}/modules* ${TEMP}/initramfs-modules-${KV}-temp 2>/dev/null

	mkdir -p "${TEMP}/initramfs-modules-${KV}-temp/etc/modules"
	for group_modules in ${!MODULES_*}; do
		group="$(echo $group_modules | cut -d_ -f2 | tr "[:upper:]" "[:lower:]")"
		print_list ${!group_modules} > "${TEMP}/initramfs-modules-${KV}-temp/etc/modules/${group}"
	done
	cd "${TEMP}/initramfs-modules-${KV}-temp/"
	log_future_cpio_content
	find . | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing modules cpio"
	cd "${TEMP}"
	rm -r "${TEMP}/initramfs-modules-${KV}-temp/"	
}

# check for static linked file with objdump
is_static() {
	LANG="C" LC_ALL="C" objdump -T $1 2>&1 | grep "not a dynamic object" > /dev/null
	return $?
}

append_auxilary() {
	if [ -d "${TEMP}/initramfs-aux-temp" ]
	then
		rm -r "${TEMP}/initramfs-aux-temp/"
	fi
	mkdir -p "${TEMP}/initramfs-aux-temp/etc"
	mkdir -p "${TEMP}/initramfs-aux-temp/sbin"
	if [ -f "${CMD_LINUXRC}" ]
	then
		cp "${CMD_LINUXRC}" "${TEMP}/initramfs-aux-temp/init"
		print_info 2 "        >> Copying user specified linuxrc: ${CMD_LINUXRC} to init"
	else
		if isTrue ${NETBOOT}
		then
			cp "${GK_SHARE}/netboot/linuxrc.x" "${TEMP}/initramfs-aux-temp/init"
		else
			if [ -f "${GK_SHARE}/arch/${ARCH}/linuxrc" ]
			then
				cp "${GK_SHARE}/arch/${ARCH}/linuxrc" "${TEMP}/initramfs-aux-temp/init"
			else
				cp "${GK_SHARE}/defaults/linuxrc" "${TEMP}/initramfs-aux-temp/init"
			fi
		fi
	fi

	# Make sure it's executable
	chmod 0755 "${TEMP}/initramfs-aux-temp/init"

	# Make a symlink to init .. incase we are bundled inside the kernel as one
	# big cpio.
	cd ${TEMP}/initramfs-aux-temp
	ln -s init linuxrc
#	ln ${TEMP}/initramfs-aux-temp/init ${TEMP}/initramfs-aux-temp/linuxrc

	if [ -f "${GK_SHARE}/arch/${ARCH}/initrd.scripts" ]
	then
		cp "${GK_SHARE}/arch/${ARCH}/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
	else
		cp "${GK_SHARE}/defaults/initrd.scripts" "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
	fi

	if [ -f "${GK_SHARE}/arch/${ARCH}/initrd.defaults" ]
	then
		cp "${GK_SHARE}/arch/${ARCH}/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
	else
		cp "${GK_SHARE}/defaults/initrd.defaults" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
	fi

	if [ -n "${REAL_ROOT}" ]
	then
		sed -i "s:^REAL_ROOT=.*$:REAL_ROOT='${REAL_ROOT}':" "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
	fi

	echo -n 'HWOPTS="$HWOPTS ' >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
	for group_modules in ${!MODULES_*}; do
		group="$(echo $group_modules | cut -d_ -f2 | tr "[:upper:]" "[:lower:]")"
		echo -n "${group} " >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
	done
	echo '"' >> "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"

	if [ -f "${GK_SHARE}/arch/${ARCH}/modprobe" ]
	then
		cp "${GK_SHARE}/arch/${ARCH}/modprobe" "${TEMP}/initramfs-aux-temp/sbin/modprobe"
	else
		cp "${GK_SHARE}/defaults/modprobe" "${TEMP}/initramfs-aux-temp/sbin/modprobe"
	fi
	if isTrue $CMD_DOKEYMAPAUTO
	then
		echo 'MY_HWOPTS="${MY_HWOPTS} keymap"' >> ${TEMP}/initramfs-aux-temp/etc/initrd.defaults
	fi
	if isTrue $CMD_KEYMAP
	then
		print_info 1 "        >> Copying keymaps"
		mkdir -p "${TEMP}/initramfs-aux-temp/lib/"
		cp -R "${GK_SHARE}/defaults/keymaps" "${TEMP}/initramfs-aux-temp/lib/" \
				|| gen_die "Error while copying keymaps"
	fi

	cd ${TEMP}/initramfs-aux-temp/sbin && ln -s ../init init
	cd ${TEMP}
	chmod +x "${TEMP}/initramfs-aux-temp/init"
	chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.scripts"
	chmod +x "${TEMP}/initramfs-aux-temp/etc/initrd.defaults"
	chmod +x "${TEMP}/initramfs-aux-temp/sbin/modprobe"

	if isTrue ${NETBOOT}
	then
		cd "${GK_SHARE}/netboot/misc"
		cp -pPRf * "${TEMP}/initramfs-aux-temp/"
	fi

	cd "${TEMP}/initramfs-aux-temp/"
	log_future_cpio_content
	find . -print | cpio ${CPIO_ARGS} --append -F "${CPIO}" \
			|| gen_die "compressing auxilary cpio"
	cd "${TEMP}"
	rm -r "${TEMP}/initramfs-aux-temp/"
}

append_data() {
	local name=$1 var=$2
	local func="append_${name}"

	[ $# -eq 0 ] && gen_die "append_data() called with zero arguments"
	if [ $# -eq 1 ] || isTrue ${var}
	then
	    print_info 1 "        >> Appending ${name} cpio data..."
	    ${func} || gen_die "${func}() failed"
	fi
}

create_initramfs() {
	local compress_ext=""
	print_info 1 "initramfs: >> Initializing..."

	# Create empty cpio
	CPIO="${TMPDIR}/initramfs-${KV}"
	echo | cpio ${CPIO_ARGS} -F "${CPIO}" 2>/dev/null \
		|| gen_die "Could not create empty cpio at ${CPIO}"

	append_data 'base_layout'
	append_data 'auxilary' "${BUSYBOX}"
	append_data 'busybox' "${BUSYBOX}"
	append_data 'lvm' "${LVM}"
	append_data 'dmraid' "${DMRAID}"
	append_data 'iscsi' "${ISCSI}"
	append_data 'mdadm' "${MDADM}"
	append_data 'luks' "${LUKS}"
	append_data 'multipath' "${MULTIPATH}"
	append_data 'gpg' "${GPG}"

	if [ "${RAMDISKMODULES}" = '1' ]
	then
		append_data 'modules'
	else
		print_info 1 "initramfs: Not copying modules..."
	fi

	append_data 'zfs' "${ZFS}"

	append_data 'blkid' "${DISKLABEL}"

	append_data 'unionfs_fuse' "${UNIONFS}"

	append_data 'splash' "${SPLASH}"

	if isTrue "${FIRMWARE}" && [ -n "${FIRMWARE_DIR}" ]
	then
		append_data 'firmware'
	fi

	# This should always be appended last
	if [ "${INITRAMFS_OVERLAY}" != '' ]
	then
		append_data 'overlay'
	fi

	if isTrue "${INTEGRATED_INITRAMFS}"
	then
		# Explicitly do not compress if we are integrating into the kernel.
		# The kernel will do a better job of it than us.
		mv ${TMPDIR}/initramfs-${KV} ${TMPDIR}/initramfs-${KV}.cpio
		sed -i '/^.*CONFIG_INITRAMFS_SOURCE=.*$/d' ${KERNEL_DIR}/.config
		cat >>${KERNEL_DIR}/.config	<<-EOF
		CONFIG_INITRAMFS_SOURCE="${TMPDIR}/initramfs-${KV}.cpio${compress_ext}"
		CONFIG_INITRAMFS_ROOT_UID=0
		CONFIG_INITRAMFS_ROOT_GID=0
		EOF
	else
		if isTrue "${COMPRESS_INITRD}"
		then
			cmd_xz=$(type -p xz)
			cmd_lzma=$(type -p lzma)
			cmd_bzip2=$(type -p bzip2)
			cmd_gzip=$(type -p gzip)
			cmd_lzop=$(type -p lzop)
			pkg_xz='app-arch/xz-utils'
			pkg_lzma='app-arch/xz-utils'
			pkg_bzip2='app-arch/bzip2'
			pkg_gzip='app-arch/gzip'
			pkg_lzop='app-arch/lzop'
			local compression
			case ${COMPRESS_INITRD_TYPE} in
				xz|lzma|bzip2|gzip|lzop) compression=${COMPRESS_INITRD_TYPE} ;;
				lzo) compression=lzop ;;
				best|fastest)
					for tuple in \
							'CONFIG_RD_XZ    cmd_xz    xz' \
							'CONFIG_RD_LZMA  cmd_lzma  lzma' \
							'CONFIG_RD_BZIP2 cmd_bzip2 bzip' \
							'CONFIG_RD_GZIP  cmd_gzip  gzip' \
							'CONFIG_RD_LZO   cmd_lzop  lzop'; do
						set -- ${tuple}
						kernel_option=$1
						cmd_variable_name=$2
						if grep -sq "^${kernel_option}=y" ${KERNEL_DIR}/.config && test -n "${!cmd_variable_name}" ; then
							compression=$3
							[[ ${COMPRESS_INITRD_TYPE} == best ]] && break
						fi
					done
					;;
				*)
					gen_die "Compression '${COMPRESS_INITRD_TYPE}' unknown"
					;;
			esac

			# Check for actual availability
			cmd_variable_name=cmd_${compression}
			pkg_variable_name=pkg_${compression}
			[[ -z "${!cmd_variable_name}" ]] && gen_die "Compression '${compression}' is not available. Please install package '${!pkg_variable_name}'."

			case $compression in
				xz) compress_ext='.xz' compress_cmd="${cmd_xz} -e --check=none -z -f -9" ;;
				lzma) compress_ext='.lzma' compress_cmd="${cmd_lzma} -z -f -9" ;;
				bzip2) compress_ext='.bz2' compress_cmd="${cmd_bzip2} -z -f -9" ;;
				gzip) compress_ext='.gz' compress_cmd="${cmd_gzip} -f -9" ;;
				lzop) compress_ext='.lzo' compress_cmd="${cmd_lzop} -f -9" ;;
			esac
	
			if [ -n "${compression}" ]; then
				print_info 1 "        >> Compressing cpio data (${compress_ext})..."
				${compress_cmd} "${CPIO}" || gen_die "Compression (${compress_cmd}) failed"
				mv -f "${CPIO}${compress_ext}" "${CPIO}" || gen_die "Rename failed"
			else
				print_info 1 "        >> Not compressing cpio data ..."
			fi
		fi
	fi

	if isTrue "${CMD_INSTALL}"
	then
		if ! isTrue "${INTEGRATED_INITRAMFS}"
		then
			copy_image_with_preserve "initramfs" \
				"${TMPDIR}/initramfs-${KV}" \
				"initramfs-${KNAME}-${ARCH}-${KV}"
		fi
	fi
}