aboutsummaryrefslogtreecommitdiff
blob: 4f0a0fc25f9cf44b83ae3bbc2e75562f84145c1a (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
#!/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
}

setColorVars() {
if isTrue ${USECOLOR}
then
	GOOD=$'\e[32;01m'
	WARN=$'\e[33;01m'
	BAD=$'\e[31;01m'
	NORMAL=$'\e[0m'
	BOLD=$'\e[0;01m'
	UNDER=$'\e[4m'
else
	GOOD=''
	WARN=''
	BAD=''
	NORMAL=''
	BOLD=''
	UNDER=''
fi
}
setColorVars

dump_debugcache() {
	TODEBUGCACHE=0
	echo "${DEBUGCACHE}" >> ${LOGFILE}
}

# print_info(loglevel, print [, newline [, prefixline [, forcefile ] ] ])
print_info() {
	local NEWLINE=1
	local FORCEFILE=0
	local PREFIXLINE=1
	local SCRPRINT=0
	local STR=''

	# NOT ENOUGH ARGS
	if [ "$#" -lt '2' ] ; then return 1; fi

	# 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 DEBUG LEVEL
	if [ "$1" -lt "${LOGLEVEL}" -o "$1" = "${LOGLEVEL}" ]
	then
		SCRPRINT='1'
	fi

	# RETURN IF NOT OUTPUTTING ANYWHERE
	if [ "${SCRPRINT}" != '1' -a "${FORCEFILE}" != '1' ]
	then
		return 0
	fi

	# STRUCTURE DATA TO BE OUTPUT TO SCREEN, AND OUTPUT IT
	if [ "${SCRPRINT}" = '1' ]
	then
		if [ "${PREFIXLINE}" = '1' ]
		then
			STR="${GOOD}*${NORMAL} ${2}"
		else
			STR="${2}"
		fi

		if [ "${NEWLINE}" = '0' ]
		then
			echo -ne "${STR}"
		else
			echo "${STR}"
		fi
	fi

	# STRUCTURE DATA TO BE OUTPUT TO FILE, AND OUTPUT IT
	if [ "${SCRPRINT}" = '1' -o "${FORCEFILE}" = '1' ]
	then
		STRR=${2//${WARN}/}
		STRR=${STRR//${BAD}/}
		STRR=${STRR//${BOLD}/}
		STRR=${STRR//${NORMAL}/}

		if [ "${PREFIXLINE}" = '1' ]
		then
			STR="* ${STRR}"
		else
			STR="${STRR}"
		fi

		if [ "${NEWLINE}" = '0' ]
		then
			if [ "${TODEBUGCACHE}" = '1' ]; then
				DEBUGCACHE="${DEBUGCACHE}${STR}"
			else
				echo -ne "${STR}" >> ${LOGFILE}
			fi
		else
			if [ "${TODEBUGCACHE}" = '1' ]; then
				DEBUGCACHE="${DEBUGCACHE}${STR}"$'\n'
			else
				echo "${STR}" >> ${LOGFILE}
			fi
		fi
	fi

	return 0
}

print_error()
{
	GOOD=${BAD} print_info "$@"
}

print_warning()
{
	GOOD=${WARN} print_info "$@"
}

# var_replace(var_name, var_value, string)
# $1 = variable name
# $2 = variable value
# $3 = string

var_replace()
{
  # 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" -
}

arch_replace() {
  var_replace "ARCH" "${ARCH}" "${1}"
}

cache_replace() {
  var_replace "CACHE" "${CACHE_DIR}" "${1}"
}

clear_log() {
    if [ -f "${LOGFILE}" ]
    then
	(echo > "${LOGFILE}") 2>/dev/null || small_die "Genkernel: Could not write to ${LOGFILE}."
    fi
}

gen_die() {
	dump_debugcache

	if [ "$#" -gt '0' ]
	then
		print_error 1 "ERROR: ${1}"
	fi
	print_error 1 ''
	print_error 1 "-- Grepping log... --"
	print_error 1 ''

	if isTrue ${USECOLOR}
	then
		GREP_COLOR='1' grep -B5 -E --colour=always "([Ww][Aa][Rr][Nn][Ii][Nn][Gg]|[Ee][Rr][Rr][Oo][Rr][ :,!]|[Ff][Aa][Ii][Ll][Ee]?[Dd]?)" ${LOGFILE} \
				| sed -s "s|^\(*\)\?|${BAD}*${NORMAL}|"
	else
		grep -B5 -E "([Ww][Aa][Rr][Nn][Ii][Nn][Gg]|[Ee][Rr][Rr][Oo][Rr][ :,!]|[Ff][Aa][Ii][Ll][Ee]?[Dd]?)" ${LOGFILE}
	fi
	print_error 1 ''
	print_error 1 "-- End log... --"
	print_error 1 ''
	print_error 1 "Please consult ${LOGFILE} for more information and any"
	print_error 1 "errors that were reported above."
	print_error 1 ''
	print_error 1 "Report any genkernel bugs to bugs.gentoo.org and"
	print_error 1 "assign your bug to genkernel@gentoo.org. Please include"
	print_error 1 "as much information as you can in your bug report; attaching"
	print_error 1 "${LOGFILE} so that your issue can be dealt with effectively."
	print_error 1 ''
	print_error 1 'Please do *not* report compilation failures as genkernel bugs!'
	print_error 1 ''

	# Cleanup temp dirs and caches if requested
	cleanup
  	exit 1
}

isBootRO()
{
	return $(awk '( $2 == "'${BOOTDIR}'" && $4 ~ /(^|,)ro(,|$)/){ I=1; exit }END{print !I }' /proc/mounts);
}

setup_cache_dir()
{

[ ! -d "${CACHE_DIR}" ] && mkdir -p "${CACHE_DIR}"

if [ "${CLEAR_CACHE_DIR}" == 'yes' ]
then
	print_info 1 "Clearing cache dir contents from ${CACHE_DIR}"
	while read i
	do
		print_info 1 "	 >> removing ${i}"
		rm "${i}"
	done < <(find "${CACHE_DIR}" -maxdepth 1 -type f -name '*.tar.*' -o -name '*.bz2')
fi

}

clear_tmpdir()
{
if isTrue ${CMD_INSTALL}
then
	TMPDIR_CONTENTS=`ls ${TMPDIR}`
	print_info 1 "Removing tmp dir contents"
	for i in ${TMPDIR_CONTENTS}
	do
		print_info 1 "	 >> removing ${i}"
		rm ${TMPDIR}/${i}
	done
fi
}

#
# 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).
#
# Arguments:
#     $1  Symlink name.  Symlink on the boot directory. Path not included.
#     $2  Source image.  Fully qualified path name of the source image.
#     $3  Dest image.    Name of the destination image in the boot directory,
#         no path included.  This script pushd's into ${BOOTDIR} in order to
#         create relative symlinks just like the manual kernel build.
#
# - JRG
#
copy_image_with_preserve() {
	local symlinkName=$1
	local newSrceImage=$2
	local fullDestName=$3

	local currDestImage
	local prevDestImage
	local currDestImageExists=0
	local prevDestImageExists=0

 	print_info 4 "Copying 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 ${KERNEL_OUTPUTDIR}
	if [ "${SYMLINK}" = '1' ]
	then
 		print_info 4 "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 5 "  Current ${symlinkName} symlink exists:"
			print_info 5 "    ${currDestImage}"
		else
			currDestImage="${fullDestName}"
			print_info 5 "  Current ${symlinkName} symlink did not exist."
			print_info 5 "    Defaulted to: ${currDestImage}"
		fi
		if [ -e "${BOOTDIR}/${currDestImage}" ]
		then
			currDestImageExists=1
 			print_info 5 "  Actual image file exists."
		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 5 "  Old ${symlinkName} symlink exists:"
			print_info 5 "    ${prevDestImage}"
		else
			prevDestImage="${fullDestName}.old"
			print_info 5 "  Old ${symlinkName} symlink did not exist."
			print_info 5 "    Defaulted to: ${prevDestImage}"
		fi
		if [ -e "${BOOTDIR}/${prevDestImage}" ]
		then
			prevDestImageExists=1
 			print_info 5 "  Actual old image file exists."
		fi
	else
		print_info 4 "symlinks not being handled by genkernel." 1 0
		currDestImage="${fullDestName}"
		prevDestImage="${fullDestName}.old"
	fi

	# When symlinks are not being managed by genkernel, old symlinks might
    # still be useful.  Leave 'em alone unless managed.
	if [ "${SYMLINK}" = '1' ]
	then
		print_info 5 "  Deleting old symlinks, if any."
		rm -f "${BOOTDIR}/${symlinkName}"
		rm -f "${BOOTDIR}/${symlinkName}.old"
	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 5 "  Same base version.  May have to delete old image to make room."

		if [ "${currDestImageExists}" = '1' ]
		then
			if [ -e "${BOOTDIR}/${currDestImage}.old" ]
			then
				print_info 5 "  Deleting old identical version ${symlinkName}."
				rm -f "${BOOTDIR}/${currDestImage}.old"
			fi
			print_info 5 "  Moving ${BOOTDIR}/${currDestImage}"
			print_info 5 "    to ${BOOTDIR}/${currDestImage}.old"
			mv "${BOOTDIR}/${currDestImage}" "${BOOTDIR}/${currDestImage}.old" ||
			    gen_die "Could not rename the old ${symlinkName} image!"
			prevDestImage="${currDestImage}.old"
			prevDestImageExists=1
		fi
	else
		#
		# Case for new / current not of the same base version.
		#
 		print_info 5 "  Different base version.  Do not delete old images."
		prevDestImage="${currDestImage}"
		currDestImage="${fullDestName}"
	fi

	print_info 5 "  Copying ${symlinkName}: ${newSrceImage}"
	print_info 5 "    to ${BOOTDIR}/${currDestImage}"
	cp "${newSrceImage}" "${BOOTDIR}/${currDestImage}" ||
	    gen_die "Could not copy the ${symlinkName} image to ${BOOTDIR}!"

	if [ "${SYMLINK}" = '1' ]
	then
		print_info 5 "  Make new symlink(s) (from ${BOOTDIR}):"
		print_info 5 "    ${symlinkName} -> ${currDestImage}"
		pushd ${BOOTDIR} >/dev/null
		ln -s "${currDestImage}" "${symlinkName}" || 
		    gen_die "Could not create the ${symlinkName} symlink!"
		if [ "${prevDestImageExists}" = '1' ]
		then
			print_info 5 "    ${symlinkName}.old -> ${prevDestImage}"
			ln -s "${prevDestImage}" "${symlinkName}.old" ||
			    gen_die "Could not create the ${symlinkName}.old symlink!"
		fi
		popd >/dev/null
	fi
}

#
# Helper function to allow command line arguments to override configuration
# file specified values and to apply defaults.
#
# Arguments:
#     $1  Argument type:
#           1  Switch type arguments (e.g., --color / --no-color).
#           2  Value type arguments (e.g., --debuglevel=5).
#     $2  Config file variable name.
#     $3  Command line variable name.
#     $4  Default.  If both the config file variable and the command line
#         option are not present, then the config file variable is set to
#         this default value.  Optional.
#
# The order of priority of these three sources (highest first) is:
#     Command line, which overrides
#     Config file (/etc/genkernel.conf), which overrides
#     Default.
#
# Arguments $2 and $3 are variable *names*, not *values*.  This function uses
# various forms of indirection to access the values.
#
# For switch type arguments, all forms of "True" are converted to a numeric 1
# and all forms of "False" (everything else, really) to a numeric 0.
#
# - JRG
#
set_config_with_override() {
	local VarType=$1
	local CfgVar=$2
	local OverrideVar=$3
	local Default=$4
	local Result

	#
	# Syntax check the function arguments.
	#
	case "$VarType" in
		BOOL|STRING)
			;;
		*)
			gen_die "Illegal variable type \"$VarType\" passed to set_config_with_override()."
			;;
	esac

	if [ -n "${!OverrideVar}" ]
	then
		Result=${!OverrideVar}
		if [ -n "${!CfgVar}" ]
		then
			print_info 5 "  $CfgVar overridden on command line to \"$Result\"."
		else
			print_info 5 "  $CfgVar set on command line to \"$Result\"."
		fi
	else
		if [ -n "${!CfgVar}" ]
		then
			Result=${!CfgVar}
			# we need to set the CMD_* according to configfile...
			eval ${OverrideVar}=\"${Result}\"
			print_info 5 "  $CfgVar set in config file to \"${Result}\"."
		else
			if [ -n "$Default" ]
			then
				Result=${Default}
				# set OverrideVar to Result, otherwise CMD_* may not be initialized...
				eval ${OverrideVar}=\"${Result}\"
				print_info 5 "  $CfgVar defaulted to \"${Result}\"."
			else
				print_info 5 "  $CfgVar not set."
			fi
		fi
	fi

	if [ "${VarType}" = BOOL ]
	then
		if isTrue "${Result}"
		then
			Result=1
		else
			Result=0
		fi
	fi

	eval ${CfgVar}=\"${Result}\"
}

check_distfiles() {
	for i in $BUSYBOX_SRCTAR $MULTIPATH_SRCTAR $LVM_SRCTAR $DMRAID_SRCTAR $ISCSI_SRCTAR $GPG_SRCTAR
	do
		if [ ! -f "${i}" ]
		then
			small_die "Could not find source tarball ${i}. Please refetch."
		fi
	done
}

find_kernel_binary() {
	local kernel_binary=$*
	local curdir=$(pwd)

	cd "${KERNEL_OUTPUTDIR}"
	for i in ${kernel_binary}
	do
		if [ -e "${i}" ]
		then
			tmp_kernel_binary=$i
			break
		fi
	done
#	if [ -z "${tmp_kernel_binary}" ]
#	then
#		gen_die "Cannot locate kernel binary!"
#	fi
	cd "${curdir}"
	echo "${tmp_kernel_binary}"
}