forked from gentoo/genkernel
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathgen_funcs.sh
executable file
·2280 lines (1929 loc) · 57.5 KB
/
gen_funcs.sh
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
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/bin/bash
# $Id$
isTrue() {
case "$1" in
[Tt][Rr][Uu][Ee])
return 0
;;
[Tt])
return 0
;;
[Yy][Ee][Ss])
return 0
;;
[Yy])
return 0
;;
1)
return 0
;;
esac
return 1
}
anyTrue() {
local x
for x
do
isTrue "${x}" && return 0
done
return 1
}
set_color_vars() {
if ! isTrue "${NOCOLOR}"
then
BOLD=$'\e[0;01m'
UNDER=$'\e[4m'
GOOD=$'\e[32;01m'
WARN=$'\e[33;01m'
BAD=$'\e[31;01m'
NORMAL=$'\e[0m'
else
BOLD=''
UNDER=''
GOOD=''
WARN=''
BAD=''
NORMAL=''
fi
}
set_color_vars
dump_debugcache() {
TODEBUGCACHE=no
if [ -w "${LOGFILE}" ]
then
echo "${DEBUGCACHE}" >> "${LOGFILE}"
else
echo "WARNING: Cannot write to '${LOGFILE}'!"
echo "${DEBUGCACHE}"
fi
DEBUGCACHE=
}
# print_info(loglevel, print [, newline [, prefixline [, forcefile ] ] ])
print_info() {
local reset_x=0
if [ -o xtrace ]
then
set +x
reset_x=1
fi
local NEWLINE=1
local FORCEFILE=1
local PREFIXLINE=1
local SCRPRINT=0
local STR=''
[[ ${#} -lt 2 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes at least two arguments (${#} given)!"
[[ ${#} -gt 5 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes at most five arguments (${#} given)!"
# IF 3 OR MORE ARGS, CHECK IF WE WANT A NEWLINE AFTER PRINT
if [ ${#} -gt 2 ]
then
if isTrue "$3"
then
NEWLINE=1
else
NEWLINE=0
fi
fi
# IF 4 OR MORE ARGS, CHECK IF WE WANT TO PREFIX WITH A *
if [ ${#} -gt 3 ]
then
if isTrue "$4"
then
PREFIXLINE=1
else
PREFIXLINE=0
fi
fi
# IF 5 OR MORE ARGS, CHECK IF WE WANT TO FORCE OUTPUT TO DEBUG
# FILE EVEN IF IT DOESN'T MEET THE MINIMUM DEBUG REQS
if [ ${#} -gt 4 ]
then
if isTrue "$5"
then
FORCEFILE=1
else
FORCEFILE=0
fi
fi
# PRINT TO SCREEN ONLY IF PASSED LOGLEVEL IS HIGHER THAN
# OR EQUAL TO SET LOG LEVEL
if [[ ${1} -lt ${LOGLEVEL} || ${1} -eq ${LOGLEVEL} ]]
then
SCRPRINT=1
fi
# RETURN IF NOT OUTPUTTING ANYWHERE
if [ ${SCRPRINT} -ne 1 -a ${FORCEFILE} -ne 1 ]
then
[ ${reset_x} -eq 1 ] && set -x
return 0
fi
# STRUCTURE DATA TO BE OUTPUT TO SCREEN, AND OUTPUT IT
if [ ${SCRPRINT} -eq 1 ]
then
if [ ${PREFIXLINE} -eq 1 ]
then
STR="${GOOD}*${NORMAL} ${2}"
else
STR="${2}"
fi
printf "%b" "${STR}"
if [ ${NEWLINE} -ne 0 ]
then
echo
fi
fi
# STRUCTURE DATA TO BE OUTPUT TO FILE, AND OUTPUT IT
if [ ${SCRPRINT} -eq 1 -o ${FORCEFILE} -eq 1 ]
then
local STRR=${2//${WARN}/}
STRR=${STRR//${BAD}/}
STRR=${STRR//${BOLD}/}
STRR=${STRR//${NORMAL}/}
if [ ${PREFIXLINE} -eq 1 ]
then
STR="* ${STRR}"
else
STR="${STRR}"
fi
if isTrue "${TODEBUGCACHE}"
then
DEBUGCACHE="${DEBUGCACHE}${STR}"
else
printf "%b" "${STR}" >> "${LOGFILE}"
fi
if [ ${NEWLINE} -ne 0 ]
then
if isTrue "${TODEBUGCACHE}"
then
DEBUGCACHE="${DEBUGCACHE}"$'\n'
else
echo >> "${LOGFILE}"
fi
fi
fi
[ ${reset_x} -eq 1 ] && set -x
return 0
}
print_error() {
GOOD=${BAD} print_info "$@"
}
print_warning() {
GOOD=${WARN} print_info "$@"
}
can_run_programs_compiled_by_genkernel() {
local can_run_programs=no
if ! isTrue "$(tc-is-cross-compiler)"
then
can_run_programs=yes
else
if [[ ${CBUILD} = x86_64* && ${ARCH} == "x86" ]]
then
can_run_programs=yes
elif [[ ${CBUILD} = powerpc64* && ${ARCH} == "powerpc" ]]
then
can_run_programs=yes
fi
fi
echo "${can_run_programs}"
}
has_space_characters() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
local testvalue=${1}
local has_space_characters=no
local space_pattern='[[:space:]]'
if [[ "${testvalue}" =~ ${space_pattern} ]]
then
has_space_characters=yes
fi
echo "${has_space_characters}"
}
is_glibc() {
if ! hash getconf &>/dev/null
then
gen_die "getconf not found. Unable to determine libc implementation!"
fi
local is_glibc=no
getconf GNU_LIBC_VERSION &>/dev/null
[ $? -eq 0 ] && is_glibc=yes
echo "${is_glibc}"
}
is_gzipped() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
local file_to_check=${1}
if [ ! -f "${file_to_check}" ]
then
gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): File '${file_to_check}' does not exist!"
fi
local file_is_gzipped=no
local file_mimetype=$(file --brief --mime-type "${file_to_check}" 2>/dev/null)
case "${file_mimetype}" in
application/x-gzip)
file_is_gzipped=yes
;;
application/gzip)
file_is_gzipped=yes
;;
esac
echo "${file_is_gzipped}"
}
is_psf_file() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
local file_to_check=${1}
if [ ! -f "${file_to_check}" ]
then
gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): File '${file_to_check}' does not exist!"
fi
local file_is_psf=no
local file_brief=$(file --brief "${file_to_check}" 2>/dev/null)
if [[ "${file_brief}" == *"PC Screen Font"* ]]
then
file_is_psf=yes
fi
echo "${file_is_psf}"
}
is_kext_supported_by_kmod() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
local requested_feature=${1}
requested_feature=${requested_feature##*.}
requested_feature=${requested_feature^^}
local is_supported=no
if [[ "${requested_feature}" == GZ ]]
then
requested_feature=ZLIB
elif [[ "${requested_feature}" == ZST ]]
then
requested_feature=ZSTD
fi
case "${requested_feature}" in
KO)
is_supported=yes
;;
*)
local line
while read line; do
if [[ ! ${line} =~ ^[\+\-] ]]
then
continue
fi
if [[ ${line} =~ \+${requested_feature} ]]
then
is_supported=yes
break
fi
done < <("${KMOD_CMD}" -V 2>/dev/null)
;;
esac
echo "${is_supported}"
}
is_valid_ssh_host_keys_parameter_value() {
local parameter_value=${1}
local is_valid=no
case "${parameter_value}" in
create|create-from-host|runtime)
is_valid=yes
;;
esac
echo "${is_valid}"
}
is_valid_triplet() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
local triplet=${1}
local is_triplet=no
if [[ "${triplet}" =~ ^[^-]{2,}-[^-]{2,}-.{2,} ]]
then
is_triplet=yes
fi
echo "${is_triplet}"
}
# var_replace(var_name, var_value, string)
# $1 = variable name
# $2 = variable value
# $3 = string
var_replace() {
[[ ${#} -ne 3 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly three arguments (${#} given)!"
# Escape '\' and '.' in $2 to make it safe to use
# in the later sed expression
local SAFE_VAR
SAFE_VAR=$(echo "${2}" | sed -e 's#\([/.]\)#\\\1#g')
echo "${3}" | sed -e "s/%%${1}%%/${SAFE_VAR}/g" -
if [ $? -ne 0 ]
then
gen_die "var_replace() failed: 1: '${1}' 2: '${2}' 3: '${3}'"
fi
}
arch_replace() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
var_replace "ARCH" "${ARCH}" "${1}"
}
cache_replace() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
var_replace "CACHE" "${GK_V_CACHEDIR}" "${1}"
}
kv_replace() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
var_replace "KV" "${KV}" "${1}"
}
# Internal func. The first argument is the version info to expand.
# Query the preprocessor to improve compatibility across different
# compilers rather than maintaining a --version flag matrix. #335943
_gcc_fullversion() {
local ver="$1"; shift
set -- $($(tc-getCPP "$@") -E -P - <<<"__GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__")
eval echo "$ver"
}
# @FUNCTION: gcc-fullversion
# @RETURN: compiler version (major.minor.micro: [3.4.6])
gcc-fullversion() {
_gcc_fullversion '$1.$2.$3' "$@"
}
# @FUNCTION: gcc-version
# @RETURN: compiler version (major.minor: [3.4].6)
gcc-version() {
_gcc_fullversion '$1.$2' "$@"
}
# @FUNCTION: gcc-major-version
# @RETURN: major compiler version (major: [3].4.6)
gcc-major-version() {
_gcc_fullversion '$1' "$@"
}
# @FUNCTION: gcc-minor-version
# @RETURN: minor compiler version (minor: 3.[4].6)
gcc-minor-version() {
_gcc_fullversion '$2' "$@"
}
# @FUNCTION: gcc-micro-version
# @RETURN: micro compiler version (micro: 3.4.[6])
gcc-micro-version() {
_gcc_fullversion '$3' "$@"
}
gen_die() {
set +x
dump_debugcache
if [ "$#" -gt '0' ]
then
print_error 1 "ERROR: ${1}"
fi
if [[ -n "${GK_MASTER_PID}" && ${BASHPID} != ${GK_MASTER_PID} ]]
then
# We died in a subshell! Let's trigger trap function...
kill -s SIGTERM ${GK_MASTER_PID}
else
if [ -z "${GK_DIED_IN}" ]
then
GK_DIED_IN="$(get_useful_function_stack)"
else
# We are already dying
exit 1
fi
# Don't trust $LOGFILE before determine_real_args() was called
if [ -n "${CMD_LOGFILE}" -a -s "${LOGFILE}" ]
then
print_error 1 "Please consult '${LOGFILE}' for more information and any"
print_error 1 "errors that were reported above."
print_error 1 ''
fi
print_error 1 "Report any genkernel bugs to bugs.gentoo.org and"
print_error 1 "assign your bug to [email protected]. Please include"
print_error 1 "as much information as you can in your bug report; attaching"
print_error 1 "'${LOGFILE}' so that your issue can be dealt with effectively."
print_error 1 ''
print_error 1 "Please do ${BOLD}*not*${NORMAL} report ${BOLD}kernel${NORMAL} compilation failures as genkernel bugs!"
print_error 1 ''
restore_boot_mount_state
# Cleanup temp dirs and caches if requested
cleanup
fi
exit 1
}
get_grep_cmd_for_file() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
local config_file=${1}
local grep_cmd=${GREP_CMD}
if isTrue "$(is_gzipped "${config_file}")"
then
grep_cmd=${ZGREP_CMD}
fi
# zgrep for example is optional
if [ -z "${grep_cmd}" ]
then
gen_die "$(get_useful_function_stack "${FUNCNAME}")No grep implementation found which can process '${config_file}'!"
fi
echo "${grep_cmd}"
}
# @FUNCTION: get_indent
# @USAGE: <level>
# @DESCRIPTION:
# Returns the indent level in spaces.
#
# <level> Indentation level.
get_indent() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
local _level=${1}
local _indent=
local _indentTemplate=" "
local i=0
while [[ ${i} -lt ${_level} ]]
do
_indent+=${_indentTemplate}
i=$[$i+1]
done
echo "${_indent}"
}
get_initramfs_compression_method_by_compression() {
local -a methods=()
methods+=( XZ )
methods+=( LZMA )
methods+=( ZSTD )
methods+=( GZIP )
methods+=( BZIP2 )
methods+=( LZO )
methods+=( LZ4 )
echo "${methods[@]}"
}
get_initramfs_compression_method_by_speed() {
local -a methods=()
methods+=( LZ4 )
methods+=( ZSTD )
methods+=( LZO )
methods+=( GZIP )
methods+=( BZIP2 )
methods+=( LZMA )
methods+=( XZ )
echo "${methods[@]}"
}
setup_cache_dir() {
if [ ! -d "${GK_V_CACHEDIR}" ]
then
mkdir -p "${GK_V_CACHEDIR}" || gen_die "Failed to create '${GK_V_CACHEDIR}'!"
fi
if isTrue "${CLEAR_CACHEDIR}"
then
print_info 2 "Clearing cache dir contents from ${CACHE_DIR} ..."
while read i
do
print_info 3 "$(get_indent 1)>> removing ${i}"
rm "${i}"
done < <(find "${CACHE_DIR}" -maxdepth 2 -type f -name '*.tar.*' -o -name '*.bz2' -o -name '*.xz')
fi
}
cleanup() {
# Child processes we maybe want to kill can only appear in
# current session
local session=$(ps -o sess= ${$} 2>/dev/null | awk '{ print $1 }')
if [ -n "${session}" ]
then
# Time to kill any still running child process.
# All our childs will have GK_SHARE environment variable set.
local -a killed_pids
local pid_to_kill=
while IFS= read -r -u 3 pid_to_kill
do
# Don't kill ourselves or we will trigger trap
[ "${pid_to_kill}" = "${BASHPID}" ] && continue
# Killing process group allows us to catch grandchilds
# with clean environment, too.
if kill -${pid_to_kill} &>/dev/null
then
killed_pids+=( ${pid_to_kill} )
fi
done 3< <(ps e -s ${session} 2>/dev/null | grep GK_SHARE= 2>/dev/null | awk '{ print $1 }')
if [ ${#killed_pids[@]} -gt 0 ]
then
# Be patient -- still running process could prevent cleanup!
sleep 3
# Add one valid pid so that ps command won't fail
killed_pids+=( ${BASHPID} )
killed_pids=$(IFS=,; echo "${killed_pids[*]}")
# Processes had enough time to gracefully terminate!
while IFS= read -r -u 3 pid_to_kill
do
# Don't kill ourselves or we will trigger trap
[ "${pid_to_kill}" = "${BASHPID}" ] && continue
kill -9 -${pid_to_kill} &>/dev/null
done 3< <(ps --no-headers -q ${killed_pids} 2>/dev/null | awk '{ print $1 }')
fi
else
print_warning 1 "Failed to determine session leader; Will not try to stop child processes"
fi
if isTrue "${CLEANUP}"
then
if [ -n "${TEMP}" -a -d "${TEMP}" ]
then
rm -rf "${TEMP}"
fi
if isTrue "${POSTCLEAR}"
then
echo
print_info 2 'Running final cache/tmp cleanup ...'
print_info 3 "CACHE_DIR: ${CACHE_DIR}"
CLEAR_CACHEDIR=yes setup_cache_dir
echo
print_info 3 "TMPDIR: ${TMPDIR}"
clear_tmpdir
fi
else
print_info 2 "--no-cleanup is set; Skipping cleanup ..."
print_info 3 "TEMP: ${TEMP}"
print_info 3 "CACHE_DIR: ${CACHE_DIR}"
print_info 3 "TMPDIR: ${TMPDIR}"
fi
GK_TIME_END=$(date +%s)
let GK_TIME_RUNTIME_SECONDS=${GK_TIME_END}-${GK_TIME_START}
let GK_TIME_RUNTIME_DAYS=${GK_TIME_RUNTIME_SECONDS}/86400
TZ= printf ">>> Ended on: $(date +"%Y-%m-%d %H:%M:%S") (after %d days%(%k hours %M minutes %S seconds)T)\n" ${GK_TIME_RUNTIME_DAYS} ${GK_TIME_RUNTIME_SECONDS} >> "${LOGFILE}" 2>/dev/null
}
clear_tmpdir() {
if isTrue "${CMD_INSTALL}"
then
TMPDIR_CONTENTS=$(ls "${TMPDIR}")
print_info 2 "Removing tmp dir contents"
for i in ${TMPDIR_CONTENTS}
do
print_info 3 "$(get_indent 1)>> removing ${i}"
rm -r "${TMPDIR}/${i}"
done
fi
}
# @FUNCTION: copy_image_with_preserve
# @USAGE: <symlink name> <source image> <dest image>
# @DESCRIPTION:
# Function to copy various kernel boot image products to the boot directory,
# preserve a generation of old images (just like the manual kernel build's
# "make install" does), and maintain the symlinks (if enabled).
#
# <symlink name> Symlink in the boot directory. Path not included.
#
# <source image> Fully qualified path name of the source image.
#
# <dest image> Name of the destination image in the boot directory,
# no path included.
copy_image_with_preserve() {
[[ ${#} -ne 3 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly three arguments (${#} given)!"
local symlinkName=${1}
local newSrceImage=${2}
local fullDestName=${3}
local currDestImage
local prevDestImage
print_info 3 "Shall copy new ${symlinkName} image, " 0
# Old product might be a different version. If so, we need to read
# the symlink to see what it's name is, if there are symlinks.
cd "${KERNEL_OUTPUTDIR}" || gen_die "Failed to chdir to '${KERNEL_OUTPUTDIR}'!"
if isTrue "${SYMLINK}"
then
print_info 3 "automatically managing symlinks and old images." 1 0
if [ -e "${BOOTDIR}/${symlinkName}" ]
then
# JRG: Do I need a special case here for when the standard symlink
# name is, in fact, not a symlink?
currDestImage=$(readlink --no-newline "${BOOTDIR}/${symlinkName}")
print_info 4 "Current ${symlinkName} symlink exists:"
print_info 4 " ${currDestImage}"
else
currDestImage="${fullDestName}"
print_info 4 "Current ${symlinkName} symlink does NOT exist."
print_info 4 " Defaulted to: ${currDestImage}"
fi
if [ -e "${BOOTDIR}/${symlinkName}.old" ]
then
# JRG: Do I need a special case here for when the standard symlink
# name is, in fact, not a symlink?
prevDestImage=$(readlink --no-newline "${BOOTDIR}/${symlinkName}.old")
print_info 4 "Old ${symlinkName} symlink exists:"
print_info 4 " ${prevDestImage}"
else
prevDestImage="${fullDestName}.old"
print_info 4 "Old ${symlinkName} symlink does NOT exist."
print_info 4 " Defaulted to: ${prevDestImage}"
fi
else
print_info 3 "symlinks not being handled by genkernel." 1 0
currDestImage="${fullDestName}"
prevDestImage="${fullDestName}.old"
fi
if [ -e "${BOOTDIR}/${currDestImage}" ]
then
local currDestImageExists=yes
print_info 4 "Actual image file '${BOOTDIR}/${currDestImage}' does exist."
else
local currDestImageExists=no
print_info 4 "Actual image file '${BOOTDIR}/${currDestImage}' does NOT exist."
fi
if [ -e "${BOOTDIR}/${prevDestImage}" ]
then
local prevDestImageExists=yes
print_info 4 "Actual old image file '${BOOTDIR}/${prevDestImage}' does exist."
else
local prevDestImageExists=no
print_info 4 "Actual old image file '${BOOTDIR}/${prevDestImage}' does NOT exist."
fi
# When symlinks are not being managed by genkernel, old symlinks might
# still be useful. Leave 'em alone unless managed.
if isTrue "${SYMLINK}"
then
local -a old_symlinks=()
old_symlinks+=( "${BOOTDIR}/${symlinkName}" )
old_symlinks+=( "${BOOTDIR}/${symlinkName}.old" )
local old_symlink=
for old_symlink in "${old_symlinks[@]}"
do
if [ -L "${old_symlink}" ]
then
print_info 4 "Deleting old symlink '${old_symlink}' ..."
rm "${old_symlink}" || gen_die "Failed to delete '${old_symlink}'!"
else
print_info 4 "Old symlink '${old_symlink}' does NOT exist; Skipping ..."
fi
done
unset old_symlinks old_symlink
fi
# We only erase the .old image when it is the exact same version as the
# current and new images. Different version .old (and current) images are
# left behind. This is consistent with how "make install" of the manual
# kernel build works.
if [ "${currDestImage}" == "${fullDestName}" ]
then
# Case for new and currrent of the same base version.
print_info 4 "Same base version (${currDestImage})."
if isTrue "${currDestImageExists}"
then
if [ -e "${BOOTDIR}/${currDestImage}.old" ]
then
print_info 3 "Deleting old identical ${symlinkName} version '${BOOTDIR}/${currDestImage}.old' ..."
rm "${BOOTDIR}/${currDestImage}.old" \
|| gen_die "Failed to delete '${BOOTDIR}/${currDestImage}.old'!"
fi
print_info 3 "Moving '${BOOTDIR}/${currDestImage}' to '${BOOTDIR}/${currDestImage}.old' ..."
mv "${BOOTDIR}/${currDestImage}" "${BOOTDIR}/${currDestImage}.old" \
|| gen_die "Could not rename the old ${symlinkName} image!"
prevDestImage="${currDestImage}.old"
prevDestImageExists=yes
fi
else
# Case for new / current not of the same base version.
print_info 4 "Different base version."
prevDestImage="${currDestImage}"
currDestImage="${fullDestName}"
fi
print_info 3 "Copying '${newSrceImage}' to '${BOOTDIR}/${currDestImage}' ..."
cp -aL "${newSrceImage}" "${BOOTDIR}/${currDestImage}" \
|| gen_die "Failed to copy '${newSrceImage}' to '${BOOTDIR}/${currDestImage}'!"
if isTrue "${SYMLINK}"
then
print_info 3 "Creating '${symlinkName}' -> '${currDestImage}' symlink ..."
ln -s "${currDestImage}" "${BOOTDIR}/${symlinkName}" \
|| gen_die "Failed to create '${symlinkName}' -> '${currDestImage}' symlink!"
if isTrue "${prevDestImageExists}"
then
print_info 3 "Creating '${symlinkName}.old' -> '${prevDestImage}' symlink ..."
ln -s "${prevDestImage}" "${BOOTDIR}/${symlinkName}.old" \
|| "Failed to create '${symlinkName}.old' -> '${prevDestImage}' symlink!"
fi
fi
}
dropbear_create_key() {
[[ ${#} -ne 2 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly two arguments (${#} given)!"
local key_file=${1}
local command=${2}
local key_type=$(dropbear_get_key_type_from_filename "${key_file}")
local -a envvars=(
"GK_SHARE='${GK_SHARE}'"
"LOGLEVEL='${LOGLEVEL}'"
"LOGFILE='${LOGFILE}'"
"NOCOLOR='${NOCOLOR}'"
"PATH='${PATH}'"
"TEMP='${TEMP}'"
)
envvars+=(
"DROPBEAR_COMMAND='${command}'"
"DROPBEAR_KEY_FILE='${key_file}'"
"DROPBEAR_KEY_TYPE='${key_type}'"
)
if isTrue "${SANDBOX}"
then
envvars+=( "SANDBOX_LOG='$(get_temp_file "sandbox_XXXXXX.log")'" )
envvars+=( "SANDBOX_WRITE='${LOGFILE}:${TEMP}:/proc/thread-self/attr/fscreate'" )
fi
# set up worker signal handler
local error_msg_detail="Failed to create dropbear key '${key_file}'!"
local error_msg="gen_worker.sh aborted: ${error_msg_detail}"
trap "gen_die \"${error_msg}\"" SIGABRT SIGHUP SIGQUIT SIGINT SIGTERM
local dropbear_command=( "env -i" )
dropbear_command+=( "${envvars[*]}" )
dropbear_command+=( "${SANDBOX_COMMAND}" )
dropbear_command+=( "${GK_SHARE}/gen_worker.sh" )
dropbear_command+=( "dropbear" )
dropbear_command+=( "2>&1" )
eval "${dropbear_command[@]}"
local RET=$?
# restore default trap
set_default_gk_trap
[ ${RET} -ne 0 ] && gen_die "$(get_useful_function_stack)${error_msg_detail}"
}
dropbear_get_key_type_from_filename() {
[[ ${#} -ne 1 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly one argument (${#} given)!"
local key=${1}
local type=
case "${key}" in
*_dss_*)
type=dss
;;
*_ecdsa_*)
type=ecdsa
;;
*_ed25519_*)
type=ed25519
;;
*_rsa_*)
type=rsa
;;
*)
gen_die "Failed to determine key type from '${key}'!"
;;
esac
echo "${type}"
}
dropbear_generate_key_info_file() {
[[ ${#} -ne 3 ]] \
&& gen_die "$(get_useful_function_stack "${FUNCNAME}")Invalid usage of ${FUNCNAME}(): Function takes exactly three arguments (${#} given)!"
local command=${1}
local key_info_file=${2}
local initramfs_dropbear_dir=${3}
local key_file="${initramfs_dropbear_dir}/$(basename "${key_info_file/%_key.*/_key}")"
local key_type=$(dropbear_get_key_type_from_filename "${key_file}")
local -a envvars=(
"GK_SHARE='${GK_SHARE}'"
"LOGLEVEL='${LOGLEVEL}'"
"LOGFILE='${LOGFILE}'"
"NOCOLOR='${NOCOLOR}'"
"PATH='${PATH}'"
"TEMP='${TEMP}'"
)
envvars+=(
"DROPBEAR_COMMAND='${command}'"
"DROPBEAR_KEY_FILE='${key_file}'"
"DROPBEAR_KEY_TYPE='${key_type}'"
"DROPBEAR_KEY_INFO_FILE='${key_info_file}'"
)
if isTrue "${SANDBOX}"
then
envvars+=( "SANDBOX_LOG='$(get_temp_file "sandbox_XXXXXX.log")'" )
envvars+=( "SANDBOX_WRITE='${LOGFILE}:${TEMP}:/proc/thread-self/attr/fscreate'" )
fi
# set up worker signal handler
local error_msg_detail="Failed to extract dropbear key information from '${key_file}'!"
local error_msg="gen_worker.sh aborted: ${error_msg_detail}"
trap "gen_die \"${error_msg}\"" SIGABRT SIGHUP SIGQUIT SIGINT SIGTERM
local dropbear_command=( "env -i" )
dropbear_command+=( "${envvars[*]}" )
dropbear_command+=( "${SANDBOX_COMMAND}" )
dropbear_command+=( "${GK_SHARE}/gen_worker.sh" )
dropbear_command+=( "dropbear" )
dropbear_command+=( "2>&1" )
eval "${dropbear_command[@]}"
local RET=$?
# restore default trap
set_default_gk_trap
[ ${RET} -ne 0 ] && gen_die "$(get_useful_function_stack)${error_msg_detail}"
}
# @FUNCTION: debug_breakpoint
# @USAGE: [<NAME>]
# @DESCRIPTION:
# Internal helper function which can be used during development to act like
# a breakpoint. I.e. will stop execution and show some variables.
#
# <NAME> Give breakpoint a name
debug_breakpoint() {
set +x
local name=${1}
[ -n "${name}" ] && name=" '${name}'"
echo "Debug breakpoint${name} reached"
echo "TEMP: ${TEMP}"
[[ -n "${WORKDIR}" ]] && echo "WORKDIR: ${WORKDIR}"
[[ -n "${S}" ]] && echo "S: ${S}"
[[ -n "${D}" ]] && echo "D: ${D}"
if [ -n "${GK_WORKER_MASTER_PID}" ]
then
[[ ${BASHPID:-$(__bashpid)} == ${GK_WORKER_MASTER_PID} ]] || kill -s SIGTERM ${GK_WORKER_MASTER_PID}
else
[[ ${BASHPID:-$(__bashpid)} == ${GK_MASTER_PID} ]] || kill -s SIGTERM ${GK_MASTER_PID}
fi
exit 99
}
get_chost_libdir() {
local cc=$(tc-getCC)
local test_file=$(${cc} -print-file-name=libc.a 2>/dev/null)
if [ -z "${test_file}" ]
then
gen_die "$(get_useful_function_stack "${FUNCNAME}")Unable to determine CHOST's libdir: '${cc} -print-file-name=libc.a' returned nothing!"
elif [[ "${test_file}" == "libc.a" ]]
then
gen_die "$(get_useful_function_stack "${FUNCNAME}")Unable to determine CHOST's libdir: '${cc} -print-file-name=libc.a' returned no path!"
fi
local test_file_realpath=$(realpath "${test_file}" 2>/dev/null)
if [ -z "${test_file_realpath}" ]
then
gen_die "$(get_useful_function_stack "${FUNCNAME}")Unable to determine CHOST's libdir: 'realpath \"${test_file}\"' returned nothing!"