summaryrefslogtreecommitdiff
path: root/bin/build-rpm-package
blob: 4b8ccbff3b78ece4e423b696e0bf8084a005f21d (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
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
#!/bin/bash

# Copyright (C) 2011-2013 by Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
# Copyright (C) 2015      by Mihai Moldovan <ionic@ionic.de>
#
# This programme is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This programme is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.

export PATH="${HOME}/bin:${PATH}"

GIT_USER="gituser"
GIT_HOSTNAME="git.mydomain.org"

RPMEMAIL="firstname.lastname@mydomain.org"
RPMFULLNAME="Firstname Lastname"
GPG_KEY=""
RPM_DISTS_SUPPORTED="fedora epel opensuse sle"
FEDORA_DISTROS="18,19,20,21,22,rawhide"
EPEL_DISTROS="6,7"
OPENSUSE_DISTROS="12.2,12.3,13.1,13.2"
SLE_DISTROS="11.2,11.3,12.0"
RPM_REPOS_BASE="/var/www/"
RPM_WANT_EXTRA_REPOS="0"
RPM_MOCK_CONFIG_DIR="/etc/mock"
RPM_EXTRA_REPO_MOCK_CONFIG_BASE=""
RPM_EXTRA_REPO_MOCK_CONFIG_FULL_NAME=""


COMPONENT_MAIN="main"
COMPONENT_NIGHTLY="nightly"
COMPONENT_BUNDLES="bundle-release1 bundle-release2"
REPOS_SERVER="packages.mydomain.org"
PACKAGES_WITHOUT_OTHERMIRROR="keyring"
GNUPGHOME="${HOME}/.gnupg"

OPENSUSE_DOWNLOAD_URL="http://download.opensuse.org/distribution/#VERSION#/repo/oss/suse/"
SLE_DOWNLOAD_URL="/srv/mirrors/non-public/sle/#VERSION#/rpms/"

test -z "${1}" && { echo "usage: $(basename "${0}") [<subpath>/]<git-project> {main,main/<codename>,nightly,nightly/<codename>} [<git-checkout>]"; exit 1; }

PREFIX="$(cut -d"-" -f1 <<< "$(basename "${0}")")"
test -f "${HOME}/.buildscripts/${PREFIX}.conf" && . "${HOME}/.buildscripts/${PREFIX.conf}" || { echo "${0} has no valid context prefix..." >&2; exit 1; }

: ${NO_DELAY:="no"}
: ${FORCE_BUILD:="no"}
: ${RPM_BUILD_FOR:="fedora:${FEDORA_DISTROS} epel:${EPEL_DISTROS} opensuse:${OPENSUSE_DISTROS} sle:${SLE_DISTROS}"}

# These parts are not user-serviceable.
TMP_MOCK_CFG_DIR=""
TMP_MOCK_CFG_FILE=""
TEMP_BASE="${HOME}/tmp/"
typeset -ag temp_cleanup
# End of non-user-serviceable part.

set -ex

# Cleans up temporary directories and files.
# RFC SHOULD be called by trap handlers.
cleanup () {
	# We always assume the temporary mock config file is below the temporary config directory.
	if [ -n "${TMP_MOCK_CFG_DIR}" ] && [ -e "${TMP_MOCK_CFG_DIR}" ]; then
		case "${TMP_MOCK_CFG_DIR}" in
			("${TEMP_BASE}"*)	;;
			(*)			echo "Warning: mock temporary config directory is not matching the temporary file base dir ${TEMP_BASE}. Not doing cleanup." >&2
						exit 1
						;;
		esac

		# Take care of the config file(s) first.
		typeset file=""
		for file in "${TMP_MOCK_CFG_DIR}/"*; do
			if [ ! -f "${file}" ]; then
				echo "Warning: mock temporary config file ${file} is not a regular file. Not unlinking." >&2
			else
				# Remove and ignore errors.
				rm -- "${file}" || :
			fi
		done

		# And only later of the directory itself.
		if [ -e "${TMP_MOCK_CFG_DIR}" ]; then
			if [ -d "${TMP_MOCK_CFG_DIR}" ]; then
				rmdir -- "${TMP_MOCK_CFG_DIR}" || echo "Warning: unable to remove mock temporary config directory ${TMP_MOCK_CFG_DIR}. Is it non-empty?" >&2
			else
				echo "Warning: mock temporary config directory ${TMP_MOCK_CFG_DIR} is not actually a directory. Not unlinking." >&2
			fi
		else
			echo "Warning: mock temporary config directory ${TMP_MOCK_CFG_DIR} does not exist." >&2
		fi
	elif [ -n "${TMP_MOCK_CFG_DIR}" ]; then
		echo "Warning: mock temporary config directory ${TMP_MOCK_CFG_DIR} defined but does not exist. Skipping cleanup." >&2
	else
		echo "Warning: mock temporary config directory not defined. Skipping cleanup." >&2
	fi

	# Cleanup the other temporary dirs afterwards.
	typeset temp_dir=""
	for temp_dir in "${temp_cleanup[@]}"; do
		if [ -n "${temp_dir}" ] && [ -d "${temp_dir}" ]; then
			rm -Rf -- "${temp_dir}"
		fi
	done
}

# Run cleanup() automatically.
trap cleanup ERR EXIT SIGTERM SIGINT SIGHUP SIGPIPE SIGALRM SIGUSR1 SIGUSR2

# FIXME: this should really be in a common.(sh) file!
function make_boolean () {
	typeset -l OPTION="${1}"

	case "${OPTION}" in
		("0"|"no"|"false"|"") OPTION="0";;
		(*) OPTION="1";;
	esac

	printf "${OPTION}"

	return 0
}

set_vars() {
	mkdir -p -- "${TEMP_BASE}"
	chmod 2770 "${TEMP_BASE}"

	# first argv is the name of the Git project
	PROJECT_PATH="${1}"
	PROJECT_PATH="${PROJECT_PATH/%.git/}"
	PROJECT="$(basename "${PROJECT_PATH}")"

	# grab repository component area from command line (2nd argv) or guess it
	ARGV2_COMPONENT="$(cut -d"/" -f1 <<< "${2}/")"
	ARGV2_CODENAME="$(cut -d"/" -f2 <<< "${2}/")"
	COMPONENT="${ARGV2_COMPONENT:-${COMPONENT:-$COMPONENT_NIGHTLY}}"
	CODENAMES="${ARGV2_CODENAME:-${CODENAMES}}"
	[ -n "${ARGV2_CODENAME}" ] && FORCE_BUILD="yes" || true
	DATE="${DATE:-$(date +%Y%m%d)}"
	if [ "x${COMPONENT}" = "x${COMPONENT_MAIN}" ]; then
		CHECKOUT="${3:-build-main}"
	elif [ "x${COMPONENT}" = "x${COMPONENT_MAIN}-test" ]; then
		CHECKOUT="${3:-build-main-test}"
		COMPONENT="maintest"
	elif grep -qs "${COMPONENT}" <<< "${COMPONENT_RELEASES}"; then
		CHECKOUT="${3:-build-$COMPONENT}"
	elif [ "x${COMPONENT}" = "x$COMPONENT_NIGHTLY" ]; then
		CHECKOUT="${3:-master}"
	else
		echo "error: no such package component area for this Git project. Aborting..."
		exit 1
	fi
	# the DATE might be given as ,,today'' from the command line
	[ "x${DATE}" = "xtoday" ] && DATE="$(date +%Y%m%d)"

	# setting paths
	PROJECT_DIR="${HOME}/build/${COMPONENT}/${PROJECT}"
	PKGDIST="${HOME}/pkg-dist/${COMPONENT}/${PROJECT}"

	# lock file
	LOCK_FILE="${PROJECT_DIR}/../.${PROJECT}.lock"

	# creating paths
	mkdir -p -- "${PROJECT_DIR}"
	mkdir -p -- "${PKGDIST}"

	return 0
}

# Check that mock version is at least the given version number.
# Returns 0 if the mock version is greater or equal the specified input,
# 1 otherwise.
check_mock_version_atleast () {
	typeset MAJOR="${1:?"Error: no major version passed to ${FUNCNAME}()."}"
	typeset MINOR="${2:?"Error: no minor version passed to ${FUNCNAME}()."}"
	typeset PATCH="${3:?"Error: no patch version passed to ${FUNCNAME}()."}"

	# Check input parameters for sanity.
	typeset SANITY_CHECK_MAJOR="$(sed -e 's/^\([0-9][0-9]*\)$//' <<< "${MAJOR}")"
	typeset SANITY_CHECK_MINOR="$(sed -e 's/^\([0-9][0-9]*\)$//' <<< "${MINOR}")"
	typeset SANITY_CHECK_PATCH="$(sed -e 's/^\([0-9][0-9]*\)$//' <<< "${PATCH}")"

	if [ -n "${SANITY_CHECK_MAJOR}" ] || [ -n "${SANITY_CHECK_MINOR}" ] || [ -n "${SANITY_CHECK_PATCH}" ]; then
		echo "Error: input parameters of ${FUNCNAME}() are not pure integers and failed sanity check." >&2
		exit 1
	fi

	typeset MOCK_VER="$(mock --version)"

	# Sanitize ${MOCK_VER}:
	# Only take the first line into account.
	MOCK_VER="$(head -n 1 <<< "${MOCK_VER}")"

	# Only accept a string that has number.number.number somewhere.
	MOCK_VER="$(grep -Eo '[0-9]+\.[0-9]+\.[0-9]+' <<< "${MOCK_VER}")"

	if [ -z "${MOCK_VER}" ]; then
		echo "Error: the reported mock version can not be handled by ${FUNCNAME}()." >&2
		exit 1
	fi

	# The reason for this weird [0-9][0-9]* construct is that POSIX BRE does only specify *
	# as a special character. POSIX ERE supports + as a special character, but sed is
	# specified by POSIX to only support BRE. GNU sed supports a \+ special character in
	# POSIX BRE standard mode, but this is a GNU extension.
	typeset MOCK_VER_MAJOR="$(sed -e 's/^\([0-9][0-9]*\)\.[0-9][0-9]*\.[0-9][0-9]*/\1/' <<< "${MOCK_VER}")"
	typeset MOCK_VER_MINOR="$(sed -e 's/^[0-9][0-9]*\.\([0-9][0-9]*\)\.[0-9][0-9]*/\1/' <<< "${MOCK_VER}")"
	typeset MOCK_VER_PATCH="$(sed -e 's/^[0-9][0-9]*\.[0-9][0-9]*\.\([0-9][0-9]*\)/\1/' <<< "${MOCK_VER}")"

	if [ -z "${MOCK_VER_MAJOR}" ] || [ -z "${MOCK_VER_MINOR}" ] || [ -z "${MOCK_VER_PATCH}" ]; then
		echo "Error: unable to parse mock version in ${FUNCNAME}()." >&2
		exit 1
	else
		typeset ret="1"
		if [ "${MOCK_VER_MAJOR}" -gt "${MAJOR}" ]; then
			ret="0"
		elif [ "${MOCK_VER_MAJOR}" -eq "${MAJOR}" ]; then
			if [ "${MOCK_VER_MINOR}" -gt "${MINOR}" ]; then
				ret="0"
			elif [ "${MOCK_VER_MINOR}" -eq "${MINOR}" ]; then
				if [ "${MOCK_VER_PATCH}" -gt "${PATCH}" ] || \
				   [ "${MOCK_VER_PATCH}" -eq "${PATCH}" ]; then
					ret="0"
				fi
			fi
		fi

		return "${ret}"
	fi
}

# Repeats an input string.
# Returns the repeated input string.
repeat_str () { # INPUT COUNT
	typeset INPUT="${1:?"Error: no input string passed to ${FUNCNAME}()."}"
	typeset COUNT="${2:?"Error: no count passed to ${FUNCNAME}()."}"

	typeset ret=""
	typeset -i i=0
	while [ "${i}" -lt "${COUNT}" ]; do
		ret="${ret}$(printf "${INPUT}")"
		i=$(($i + 1))
	done

	printf "${ret}"

	return 0
}

# Creates a custom mock config file given a base config (taken from
# /etc/mock/), the build component and the target specification ("full" or "base").
# Base refers to adding x2go-extras only, while full means also
# adding the full X2Go upstream repository with all published files.
#
# Calling this function in a subshell is an error, as it NEEDS to modify
# variables in global scope!
create_mock_config () { # MOCK_BASE CUSTOM_REPO COMPONENT TARGET
	typeset MOCK_BASE="${1:?"Error: no mock base config passed to ${FUNCNAME}()."}"
	typeset COMPONENT="${2:?"Error: no component (X2Go release group) passed to ${FUNCNAME}()."}"
	typeset TARGET="${3:?"Error: no target (full or base) passed to ${FUNCNAME}()."}"

	# Check argument sanity.

	# Append .cfg is not already specified.
	typeset TMP_REGEX='^.*\.cfg$'
	if [[ ! "${MOCK_BASE}" =~ ${TMP_REGEX} ]]; then
		MOCK_BASE="${MOCK_BASE}.cfg"
	fi

	typeset DISTRO=""
	typeset VERSION=""
			   # distribution -   version    - arch
	TMP_REGEX='^([[:alpha:]]+)-([[:alnum:]_]+)-[[:alnum:]_]+\.cfg$'
	if [[ ! "${MOCK_BASE}" =~ ${TMP_REGEX} ]]; then
		echo "Error: MOCK_BASE parameter not well formed. Must be: 'distro-version-arch.cfg'." >&2
		exit 1
	else
		DISTRO="${BASH_REMATCH[1]}"
		VERSION="${BASH_REMATCH[2]}"
	fi

	typeset CUSTOM_REPO="${RPM_EXTRA_REPO_MOCK_CONFIG_BASE}-${DISTRO}.repo"

	typeset CFG_FILE=""
	TMP_REGEX='/'
	for CFG_FILE in MOCK_BASE CUSTOM_REPO; do
		# Must be plain file.
		if [[ "${!CFG_FILE}" =~ ${TMP_REGEX} ]]; then
			echo "Error: (implicit) ${CFG_FILE} parameter must not be a path but a simple file name." >&2
			exit 1
		fi

		# Must exist and be readable.
		if [ ! -f "${RPM_MOCK_CONFIG_DIR}/${!CFG_FILE}" ] || [ ! -r "${RPM_MOCK_CONFIG_DIR}/${!CFG_FILE}" ]; then
			echo "Error: ${CFG_FILE} parameter must exist, be a regular file and readable." >&2
			exit 1
		fi
	done

	# Rename "main" to "release" and "heuler" to "nightly".
	if [ "${COMPONENT}" = "main" ]; then
		COMPONENT="release"
	elif [ "${COMPONENT}" = "heuler" ]; then
		COMPONENT="nightly"
	fi

	# Note: there is no way to check for the component's validity,
	# as LTS releases have "random" names assigned to them.

	if [ "${TARGET}" != "base" ] && [ "${TARGET}" != "full" ]; then
		echo "Error: TARGET parameter must be either full or base." >&2
		exit 1
	fi

	# Create temporary directory for our soon-to-be temporary mock config file,
	# if it does not already exist.
	if [ -z "${TMP_MOCK_CFG_DIR}" ]; then
		TMP_MOCK_CFG_DIR="$(mktemp -d --tmpdir="${TEMP_BASE}" "${RPM_EXTRA_REPO_MOCK_CONFIG_BASE}-mock-$(repeat_str "X" "24")")"
		if [ "$?" -ne "0" ]; then
			echo "Error: creating mock temporary config directory failed. Aborting." >&2
			exit 1
		fi
	fi

	TMP_MOCK_CFG_FILE="$(mktemp --tmpdir="${TEMP_BASE}" "$(basename "${TMP_MOCK_CFG_DIR}")/${MOCK_BASE%.cfg}-${RPM_EXTRA_REPO_MOCK_CONFIG_BASE}-${COMPONENT}-${TARGET}.$(repeat_str "X" "24").cfg")"
	if [ "$?" -ne "0" ]; then
		echo "Error: creating mock temporary config file failed. Aborting." >&2
		exit 1
	fi

	# Save old input field separator value and set it to newline only.
	typeset OLDIFS="${IFS}"
	IFS="$(printf '\n')"

	# Fetch the requested lines from ${CUSTOM_REPO} and store them in arrays.
	typeset -a extra_repo
	typeset -a full_repo
	typeset -i FETCH_EXTRA_SECTION=0
	typeset -i FETCH_FULL_SECTION=0
	typeset TMP_REGEX_EXTRA="^[[:space:]]*\[[[:space:]]*${RPM_EXTRA_REPO_MOCK_CONFIG_BASE}-extras-${DISTRO}[[:space:]]*\][[:space:]]*\$"
	typeset TMP_REGEX_FULL="^[[:space:]]*\[[[:space:]]*${RPM_EXTRA_REPO_MOCK_CONFIG_BASE}-${COMPONENT}-${DISTRO}[[:space:]]*\][[:space:]]*\$"
	typeset TMP_REGEX_OTHER='^[[:space:]]*\[.*\][[:space:]]*$'

	typeset line=""
	while read line; do
		if [[ "${line}" =~ ${TMP_REGEX_EXTRA} ]]; then
			FETCH_EXTRA_SECTION=1
			FETCH_FULL_SECTION=0
		elif [[ "${line}" =~ ${TMP_REGEX_FULL} ]]; then
			FETCH_FULL_SECTION=1
			FETCH_EXTRA_SECTION=0
		elif [[ "${line}" =~ ${TMP_REGEX_OTHER} ]]; then
			FETCH_FULL_SECTION=0
			FETCH_EXTRA_SECTION=0
		fi

		# Change some values like $releasever or gpgcheck.
		if [ "${FETCH_EXTRA_SECTION}" -eq "1" ] || [ "${FETCH_FULL_SECTION}" -eq "1" ]; then
			TMP_REGEX='^[[:space:]]*gpgcheck[[:space:]]*=[[:space:]]*1[[:space:]]*$'
			if [[ "${line}" =~ ${TMP_REGEX} ]]; then
				line="${line/1/0}"
			fi

			TMP_REGEX='^[[:space:]]*enabled[[:space:]]*=[[:space:]]*0[[:space:]]*$'
			if [[ "${line}" =~ ${TMP_REGEX} ]]; then
				line="${line/0/1}"
			fi

			case "${line}" in
				(*'$releasever'*)	line="${line/'$releasever'/${VERSION}}"
							;;
				(*)			;;
			esac
		fi

		if [ "${FETCH_EXTRA_SECTION}" -eq "1" ]; then
			extra_repo+=("${line}")
		elif [ "${FETCH_FULL_SECTION}" -eq "1" ]; then
			full_repo+=("${line}")
		fi
	done < "/etc/mock/${CUSTOM_REPO}"

	typeset -i REPO_START=0
	TMP_REGEX='^[[:space:]]*config_opts\['"'"'yum\.conf'"'"'\][[:space:]]*=[[:space:]]*"""[[:space:]]*$'
	typeset TMP_REGEX_END='^[[:space:]]*"""[[:space:]]*$'

	while read line; do
		if [[ "${line}" =~ ${TMP_REGEX} ]]; then
			REPO_START=1

			# Pass-through.
			echo "${line}" >> "${TMP_MOCK_CFG_FILE}"
		elif [ "${REPO_START}" -eq "1" ] && [[ "${line}" =~ ${TMP_REGEX_END} ]]; then
			# Time to insert whatever is required.
			printf '\n' >> "${TMP_MOCK_CFG_FILE}"

			# Extras repo.
			typeset -i i=0
			for ((i = 0; i < ${#extra_repo[@]}; ++i)); do
				echo "${extra_repo[${i}]}" >> "${TMP_MOCK_CFG_FILE}"
			done

			# Full repo if required.
			if [ "${TARGET}" = "full" ]; then
				printf '\n' >> "${TMP_MOCK_CFG_FILE}"

				typeset -i i=0
				for ((i = 0; i < ${#full_repo[@]}; ++i)); do
					echo "${full_repo[${i}]}" >> "${TMP_MOCK_CFG_FILE}"
				done
			fi

			echo "${line}" >> "${TMP_MOCK_CFG_FILE}"
		elif [ "${REPO_START}" -eq "0" ] && [[ "${line}" =~ ${TMP_REGEX_END} ]]; then
			echo "Error: Parsing mock base config file failed: unexpected end of yum configuration, no start found." >&2
			exit 1
		else
			# Pass-through.
			echo "${line}" >> "${TMP_MOCK_CFG_FILE}"
		fi
	done < "/etc/mock/${MOCK_BASE}"

	# Reset input field separator to original value.
	IFS="${OLDIFS}"

	return 0
}

# Fetches extras repositories, if requested.
# Takes the build system type (suse or redhat -- implicitly means OBS or mock),
# the distribution, its version (either a real number or a codename),
# the build component (X2Go release group), the package, the architecture
# and an optional boolean value that determines whether to add any additional
# repositories at all.
#
# Edits either OTHERMIRROR for type == suse or MOCK_CHROOT_CONFIG for type == redhat.
# It is an error to execute this function in a subshell, as it MUST edit global variables.
get_extra_repository () {
	typeset TYPE="${1:?"Error: no type passed to ${FUNCNAME}()."}"
	typeset DIST="${2:?"Error: no distribution passed to ${FUNCNAME}()."}"
	typeset CODENAME="${3:?"Error: no codename (distro 'version') passed to ${FUNCNAME}()."}"
	typeset COMPONENT="${4:?"Error: no component (X2Go release group) passed to ${FUNCNAME}()."}"
	typeset PACKAGE="${5:?"Error: no package passed to ${FUNCAME}()."}"
	typeset ARCH="${6:?"Error: no architecture passed to ${FUNCNAME}()."}"
	typeset WANT_EXTRA="$(make_boolean "${7}")"

	# Note: we always add the extras repo, because that's defined as "packages missing from the main repository",
	# unless explicitly overridden via ${WANT_EXTRA}.
	case "${TYPE}" in
		"suse")
			# FIXME: make this package repository consistent with our main ones.
			OTHERMIRROR=""
			if [ "${WANT_EXTRA}" -eq "1" ]; then
				OTHERMIRROR="--repo http://${REPOS_SERVER}/${DIST}/${CODENAME}/extras"
				if [ -z "${PACKAGE_WITHOUT_OTHERMIRROR}" ] || [ "${PACKAGE_WITHOUT_OTHERMIRROR}" != "${PACKAGE}" ]; then
					OTHERMIRROR="${OTHERMIRROR} --repo http://${REPOS_SERVER}/${DIST}/${CODENAME}/${COMPONENT}/${ARCH}"
				fi
			fi
			;;
		"redhat")
			# Always use -r.
			MOCK_CHROOT_CONFIG="-r "

			# Itsy-bitsy problem here: mock versions prior to 1.2.0 are buggy in the sense that
			# they *always* prepend /etc/mock/ and append .cfg to any chroot file specified
			# via -r, even if the argument is an absolute path.
			# We have to work around that by specifying ../..//PATH/TO/MOCK-CONFIG and leaving
			# out the ".cfg" part.
			# Find out if we're using a buggy version.
			check_mock_version_atleast "1" "2" "0" && typeset MOCK_BUGGY="0" || typeset MOCK_BUGGY="1"

			[ "${MOCK_BUGGY}" -eq "1" ] && MOCK_CHROOT_CONFIG="${MOCK_CHROOT_CONFIG}../../"

			if [ "${WANT_EXTRA}" -eq "1" ]; then
				typeset WANT="base"
				if [ -z "${PACKAGE_WITHOUT_OTHERMIRROR}" ] || [ "${PACKAGE_WITHOUT_OTHERMIRROR}" != "${PACKAGE}" ]; then
					WANT="full"
				fi

				create_mock_config "${DIST}-${CODENAME}-${ARCH}" "${COMPONENT}" "${WANT}"

				# Remove the .cfg extension again... and maybe add it back later.
				MOCK_CHROOT_CONFIG="${MOCK_CHROOT_CONFIG}${TMP_MOCK_CFG_FILE%.cfg}"

			else
				MOCK_CHROOT_CONFIG="${MOCK_CHROOT_CONFIG}${RPM_MOCK_CONFIG_DIR}/${DIST}-${CODENAME}-${ARCH}"
			fi

			# Add .cfg extension.
			[ "${MOCK_BUGGY}" -eq "0" ] && MOCK_CHROOT_CONFIG="${MOCK_CHROOT_CONFIG}.cfg"
			;;
		*)
			echo "Error: unknown type passed to ${FUNCNAME}()" >&2
			echo "Valid values: suse, redhat." >&2
			exit 1
			;;
	esac

	return 0
}

prepare_workspace() {
	# make sure our local working copy is up to date...
	if [ -d "${PROJECT_DIR}/.git" ]; then
		cd "${PROJECT_DIR}" && git reset --hard
		git checkout --force "${CHECKOUT}" || git checkout --force -b "${CHECKOUT}"
		git pull origin "${CHECKOUT}"
		git fetch origin upstream:upstream || true
		git fetch origin pristine-tar:pristine-tar || true
		# and again, get the ${CHECKOUT} refspec in pure state
		git reset --hard
		git clean -df
	else
		cd "$(dirname "${PROJECT_DIR}")"
		git clone "git://${GIT_HOSTNAME}/${PROJECT_PATH}.git"
		cd "${PROJECT}"
		git checkout --force "${CHECKOUT}" || git checkout --force -b "${CHECKOUT}"
		git fetch origin upstream:upstream
		git fetch origin pristine-tar:pristine-tar || true
		git clean -df
	fi

	GIT_OBJECT_ID="$(git show-ref -s heads/master)"
	cd "${PROJECT_DIR}"

	if [ "x${ARGV2_CODENAME}" != "x" ]; then
		if grep -qs "${ARGV2_CODENAME}" <<< "${FEDORA_DISTROS}"; then
			RPM_BUILD_FOR="fedora:${ARGV2_CODENAME}"
		elif grep -qs "${ARGV2_CODENAME}" <<< "${EPEL_DISTROS}"; then
			RPM_BUILD_FOR="epel:${ARGV2_CODENAME}"
		fi
	fi
	return 0
}

# Cleans up the pkgdist directory used for building packages.
# Does not take parameters.
# Does not "return" anything.
clear_pkgdist() {
	# Do NOT spawn a subshell here. Functions like get_extra_repository() need to
	# change global variables in the main process.
	typeset -a rpm_build_for_arr
	typeset OLDIFS="${IFS}"
	IFS=" "
	read -a rpm_build_for_arr <<< "${RPM_BUILD_FOR}"
	IFS="${OLDIFS}"

	typeset line=""
	for line in "${rpm_build_for_arr[@]}"; do
		l_DIST="$(cut -d":" -f1 <<< "${line/: /:}" | tr [:upper:] [:lower:])"
		l_CODENAMES="${CODENAMES:-$(cut -d":" -f2- <<< "${line/: /:}" | sed -e 's/,/ /g' | tr [:upper:] [:lower:])}"
		grep -qs "${l_DIST}" <<< "${RPM_DISTS_SUPPORTED}" && {
			for l_CODENAME in ${l_CODENAMES}; do

				test -z "${CODENAMES}" || grep "${CODENAMES}" <<< "${line}" || break

				# Yes, "SRPM" is technically not an architecture.
				for l_ARCH in x86_64 i386 SRPM; do
					if [ "x${SKIP_ARCH}" != "x${l_ARCH}" ]; then
						mkdir -p -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}"
						rm -f -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SOURCES/"*
						rm -f -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SRPMS/${PROJECT}-"*.src.rpm
						rm -f -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/"*.rpm
					fi
				done
			done
		}
	done
	return 0
}

build_packages() {
	# Do NOT spawn a subshell here. Functions like get_extra_repository() need to
	# change global variables in the main process.
	typeset -a rpm_build_for_arr
	typeset OLDIFS="${IFS}"
	IFS=" "
	read -a rpm_build_for_arr <<< "${RPM_BUILD_FOR}"
	IFS="${OLDIFS}"

	typeset line=""
	for line in "${rpm_build_for_arr[@]}"; do
		l_DIST="$(cut -d":" -f1 <<< "${line/: /:}" | tr [:upper:] [:lower:])"
		l_CODENAMES="${CODENAMES:-$(cut -d":" -f2- <<< "${line/: /:}" | sed -e 's/,/ /g' | tr [:upper:] [:lower:])}"
		grep -qs "${l_DIST}" <<< "${RPM_DISTS_SUPPORTED}" && {
			for l_CODENAME in ${l_CODENAMES}; do

				test -z "${CODENAMES}" || grep "${CODENAMES}" <<< "${line}" || break

				# create rpmbuild subdirectories
				mkdir -p -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SOURCES"

				# tar upstream sources from our Git clone
				TEMP_DIR="$(mktemp -d --tmpdir="${TEMP_BASE}")"
				temp_cleanup+=("${TEMP_DIR}")
				mkdir -p -- "${TEMP_DIR}/${PROJECT}"
				chmod -Rf -- 2770 "${TEMP_DIR}"

				cd "$PROJECT_DIR"
				git clone "${PROJECT_DIR}" "${TEMP_DIR}/${PROJECT}/"
				cd "${TEMP_DIR}"
				GITREV="$(cd "${PROJECT}" && gitrevno && cd - 1>/dev/null)"

				# create git changelog immediately prior to building the SRPM package
				pushd "${PROJECT}" >/dev/null 2>&1 && \
				git --no-pager log --since "2 years ago" --format="%ai %aN (%h) %n%n%x09*%w(68,0,10) %s%d%n" > ChangeLog.gitlog && \
				popd >/dev/null 2>&1

				rm -Rf -- "${PROJECT}/.git"
				mv -- "${PROJECT}/${PROJECT}.spec" .

				UPSTREAM_VERSION="$(grep -E -- "^Version:.*" "${PROJECT}.spec" | awk '{ print $2 }')"
				PKG_RELEASE="$(grep -E -- "^Release:.*" "${PROJECT}.spec" | awk '{ print $2 }')"
				PKG_SRCRELEASE="$(sed -e 's/%{?dist}//' <<< "${PKG_RELEASE}")"

				IS_NOARCH="$(grep -qsE -- "^BuildArch:.*noarch\$" "${PROJECT}.spec" && echo "yes" || echo "no")"

				if [ "${COMPONENT}" = "${COMPONENT_NIGHTLY}" ]; then
					IS_RELEASE="0"
				else
					IS_RELEASE="1"
				fi
				sed -i "${PROJECT}.spec" -e "s/%{?dist}/.${IS_RELEASE}.git${DATE}.${GITREV}.${COMPONENT}%{?dist}/"

				# apply patches from debian/patches/* so that they end up in the tarball
				# ... esp. relevant for NX (redistributed)
				if [ -f "${PROJECT}/debian/patches/series" ]; then
					( cd "${PROJECT}" && QUILT_PATCHES=debian/patches quilt push -a && rm -Rf -- .pc/; )
				fi

				grep -E "^Source[1-9]+:.*" "${PROJECT}.spec" | sed "s/%{name}/${PROJECT}/" | awk '{ print $2 }' | while read source_file; do
					find "${PROJECT}/rpm/${source_file}" -maxdepth 0 1> /dev/null && cp -- "${PROJECT}/rpm/${source_file}" "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SOURCES/" && continue
					find "${PROJECT}/${source_file}" -maxdepth 0 1> /dev/null && cp -- "${PROJECT}/${source_file}" "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SOURCES/"
				done

				mv -- "${TEMP_DIR}/${PROJECT}" "${TEMP_DIR}/${PROJECT}-${UPSTREAM_VERSION}"
				tar -czf "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SOURCES/${PROJECT}-${UPSTREAM_VERSION}.tar.gz" "${PROJECT}-${UPSTREAM_VERSION}"

				cp -- "${PROJECT}.spec" "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SOURCES"

				if [ "x${l_DIST}" = "xfedora" ] || [ "x${l_DIST}" = "xepel" ]; then
					while [ -d ~mock/"${l_DIST}-${l_CODENAME}-x86_64" ]; do
						echo "Waiting for some other build to finish..."
						sleep 30
					done
					rm -f -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64/build.log"

					# Obtain packages from our RPM repository.
					get_extra_repository "redhat" "${l_DIST}" "${l_CODENAME}" "${COMPONENT}" "${PROJECT}" "x86_64" "${RPM_WANT_EXTRA_REPOS}"
					if mock --buildsrpm \
					          ${MOCK_CHROOT_CONFIG} \
					          --resultdir="${PKGDIST}/${l_DIST}/${l_CODENAME}/rpmbuild/SRPMS" \
					          --spec "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SOURCES/${PROJECT}.spec" \
					          --sources "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SOURCES/"; then
						cat "${PKGDIST}/${l_DIST}/${l_CODENAME}/rpmbuild/SRPMS/build.log"
						rm -Rf -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/rpmbuild/SRPMS/build.log"
					else
						cat "${PKGDIST}/${l_DIST}/${l_CODENAME}/rpmbuild/SRPMS/build.log"
						exit 1
					fi
				fi

				# clean up the Git clone from the temp folder
				cd && rm -Rf -- "${TEMP_DIR}/${PROJECT}"

				# modify changelog for this build
				### TODO: add changelog entry for this automatic build

				mkdir -p -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/"{x86_64,i386,SRPM}

				if [ "x${SKIP_ARCH}" != "xx86_64" ] || [ "${IS_NOARCH}" = "yes" ]; then
					if [ "x${l_DIST}" = "xopensuse" ] || [ "x${l_DIST}" = "xsle" ]; then
						BUILD_RESULT="/home/abuild/rpmbuild/"
						if [ "x${l_DIST}" = "xopensuse" ]; then
							DOWNLOAD_URL="$(sed "s/#VERSION#/${l_CODENAME}/" <<< "${OPENSUSE_DOWNLOAD_URL}")"
						elif [ "x${l_DIST}" = "xsle" ]; then
							DOWNLOAD_URL="$(sed "s/#VERSION#/${l_CODENAME}/" <<< "${SLE_DOWNLOAD_URL}")"
							if [ "${l_CODENAME}" = "11.2" ] || [ "${l_CODENAME}" = "11.3" ]; then
								BUILD_RESULT="/usr/src/packages"
							fi
						fi
						while ps ax | grep -E "build.*/var/cache/obs-build/${l_DIST}/${l_CODENAME}/x86_64/" | grep "sudo obs"; do
							echo "Waiting for some other build to finish..."
							sleep 30
						done

						# Obtain packages from our RPM repository.
						get_extra_repository "suse" "${l_DIST}" "${l_CODENAME}" "${COMPONENT}" "${PROJECT}" "x86_64" "${RPM_WANT_EXTRA_REPOS}"
						if sudo obs-build \
						             --nosignature \
						             ${OTHERMIRROR} \
						             --repo "${DOWNLOAD_URL}" \
						             --root "/var/cache/obs-build/${l_DIST}/${l_CODENAME}/x86_64/" \
						             --clean \
						             "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SOURCES/${PROJECT}.spec"; then
							mkdir -p -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64/"
							find "/var/cache/obs-build/${l_DIST}/${l_CODENAME}/x86_64/${BUILD_RESULT}/RPMS/" -type f | grep -E '.*\.rpm$' | grep -Ev '.*\.src\.rpm$' | while read rpmfile; do
								cp "${rpmfile}" "${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64/"
							done
							rpmsign-unattended -D "%_gpg_name debian@x2go.org" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64/"*.rpm

							# also copy and sign source RPM's
							find "/var/cache/obs-build/${l_DIST}/${l_CODENAME}/x86_64/${BUILD_RESULT}/SRPMS/" -type f | grep -E '.*\.rpm$' | while read rpmfile; do
								cp "${rpmfile}" "$PKGDIST/${l_DIST}/${l_CODENAME}/SRPM/"
							done
							rpmsign-unattended -D "%_gpg_name debian@x2go.org" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/SRPM/"*.rpm
						else
							exit 1
						fi
					else
						rm -f -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64/build.log"
						while [ -d ~mock/"${l_DIST}-${l_CODENAME}-x86_64" ]; do
							echo "Waiting for some other build to finish..."
							sleep 30
						done

						# Obtain packages from our RPM repository.
						get_extra_repository "redhat" "${l_DIST}" "${l_CODENAME}" "${COMPONENT}" "${PROJECT}" "x86_64" "${RPM_WANT_EXTRA_REPOS}"
						find "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SRPMS/${PROJECT}-${UPSTREAM_VERSION}-${PKG_SRCRELEASE}.${IS_RELEASE}.git${DATE}.${GITREV}.${COMPONENT}".*.src.rpm | while read srpm; do
							if mock ${MOCK_CHROOT_CONFIG} --resultdir="${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64" "${srpm}"; then
								# copy and later sign source RPM
								cp "${srpm}" "${PKGDIST}/${l_DIST}/${l_CODENAME}/SRPM/"

								# Clean up source RPM files. We copy them manually.
								find "${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64" -type 'f' -iname '*.src.rpm' -exec rm -f -- '{}' \;

								if [ "${l_DIST}" = "epel" ] && [ "${l_CODENAME}" = "5" ]; then
									# References:
									# /usr/lib/rpm/macros
									# http://adminotes.blogspot.fr/2011/12/centos-6-rpm-sign-problem-v4-signatures.html
									RPMMACRO_V3SIGN="%__gpg_sign_cmd %{__gpg} /usr/bin/gpg --force-v3-sigs --digest-algo=sha1 --batch --no-verbose --no-armor --passphrase-fd 3 --no-secmem-warning -u \"%{_gpg_name}\" -sbo %{__signature_filename} %{__plaintext_filename}"
									rpmsign-unattended -D "%_gpg_name debian@x2go.org" -D "${RPMMACRO_V3SIGN}" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64/"*.rpm
									rpmsign-unattended -D "%_gpg_name debian@x2go.org" -D "${RPMMACRO_V3SIGN}" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/SRPM/"*.rpm
								else
									rpmsign-unattended -D "%_gpg_name debian@x2go.org" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64/"*.rpm
									rpmsign-unattended -D "%_gpg_name debian@x2go.org" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/SRPM/"*.rpm
								fi
								cat "${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64/build.log"
							else
								cat "${PKGDIST}/${l_DIST}/${l_CODENAME}/x86_64/build.log"
								exit 1
							fi
						done
					fi
				fi
				if [ "x${SKIP_ARCH}" != "xi386" ] && [ "${IS_NOARCH}" != "yes" ]; then
					if [ "x${l_DIST}" = "xopensuse" ] || [ "x${l_DIST}" = "xsle" ]; then
						BUILD_RESULT="/home/abuild/rpmbuild/"
						if [ "x$l_DIST" = "xopensuse" ]; then
							DOWNLOAD_URL="$(sed "s/#VERSION#/${l_CODENAME}/" <<< "${OPENSUSE_DOWNLOAD_URL}")"
						elif [ "x$l_DIST" = "xsle" ]; then
							DOWNLOAD_URL="$(sed "s/#VERSION#/${l_CODENAME}/" <<< "${SLE_DOWNLOAD_URL}")"
							if [ "${l_CODENAME}" = "11.2" ] || [ "${l_CODENAME}" = "11.3" ]; then
								BUILD_RESULT="/usr/src/packages"
							fi
						fi
						while ps ax | grep -E "build.*/var/cache/obs-build/${l_DIST}/${l_CODENAME}/i386/" | grep "sudo obs"; do
							echo "Waiting for some other build to finish..."
							sleep 30
						done

						# Obtain packages from our RPM repository.
						get_extra_repository "suse" "${l_DIST}" "${l_CODENAME}" "${COMPONENT}" "${PROJECT}" "i386" "${RPM_WANT_EXTRA_REPOS}"
						if linux32 sudo obs-build \
						                    --nosignature \
						                    ${OTHERMIRROR} \
						                    --repo "${DOWNLOAD_URL}" \
						                    --root "/var/cache/obs-build/${l_DIST}/${l_CODENAME}/i386/" \
						                    --clean \
						                    "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SOURCES/${PROJECT}.spec"; then
							mkdir -p -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/i386/"
							find "/var/cache/obs-build/${l_DIST}/${l_CODENAME}/i386/${BUILD_RESULT}/RPMS/" -type f | grep -E '.*\.rpm$' | grep -Ev '.*\.src\.rpm$' | while read rpmfile; do
								cp "${rpmfile}" "${PKGDIST}/${l_DIST}/${l_CODENAME}/i386/"
							done
							rpmsign-unattended -D "%_gpg_name debian@x2go.org" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/i386/"*.rpm

							# copy and later sign source RPM's, if needed (that is, not already generated by x86_64/noarch code above)
							SEARCH_SRPM="$(find "${PKGDIST}/${l_DIST}/${l_CODENAME}/SRPM" -type 'f' -name "*.src.rpm" -print)"
							if [ -z "${SEARCH_SRPM}" ]; then
								find "/var/cache/obs-build/${l_DIST}/${l_CODENAME}/i386/${BUILD_RESULT}/SRPMS/" -type 'f' | grep -E '.*\.src\.rpm$' | while read rpmfile; do
									cp "${rpmfile}" "${PKGDIST}/${l_DIST}/${l_CODENAME}/SRPM/"
								done
								rpmsign-unattended -D "%_gpg_name debian@x2go.org" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/SRPM/"*.rpm
							fi
						else
							exit 1
						fi
					else
						while [ -d ~mock/"${l_DIST}-${l_CODENAME}-i386" ]; do
							echo "Waiting for some other build to finish..."
							sleep 30
						done
						rm -f -- "${PKGDIST}/${l_DIST}/${l_CODENAME}/i386/build.log"

						# Obtain packages from our RPM repository.
						get_extra_repository "redhat" "${l_DIST}" "${l_CODENAME}" "${COMPONENT}" "${PROJECT}" "i386" "${RPM_WANT_EXTRA_REPOS}"
						find "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}/rpmbuild/SRPMS/${PROJECT}-${UPSTREAM_VERSION}-${PKG_SRCRELEASE}.${IS_RELEASE}.git${DATE}.${GITREV}.${COMPONENT}".*.src.rpm | while read srpm; do
							if nice mock ${MOCK_CHROOT_CONFIG} --resultdir="${PKGDIST}/${l_DIST}/${l_CODENAME}/i386" "${srpm}"; then
								# only copy and sign source RPM if necessary
								SIGN_SRPM="0"
								if [ ! -e "${PKGDIST}/${l_DIST}/${l_CODENAME}/SRPM/$(basename "${srpm}")" ]; then
									cp "${srpm}" "${PKGDIST}/${l_DIST}/${l_CODENAME}/SRPM/"
									SIGN_SRPM="1"
								fi

								# Clean up source RPM files. We copy them manually.
								find "${PKGDIST}/${l_DIST}/${l_CODENAME}/i386" -type 'f' -iname '*.src.rpm' -exec rm -f -- '{}' \;

								if [ "${l_DIST}" = "epel" ] && [ "${l_CODENAME}" = "5" ]; then
									RPMMACRO_V3SIGN="%__gpg_sign_cmd /usr/bin/gpg --force-v3-sigs --digest-algo=sha1 --batch --no-verbose --no-armor --passphrase-fd 3 --no-secmem-warning -u \"%_gpg_name\" -sbo %{__signature_filename} %{__plaintext_filename}"
									rpmsign-unattended -D "%_gpg_name debian@x2go.org" -D "${RPMMACRO_V3SIGN}" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/i386/"*.rpm
									[ "x${SIGN_SRPM}" = "x1" ] && rpmsign-unattended -D "%_gpg_name debian@x2go.org" -D "${RPMMACRO_V3SIGN}" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/SRPM/"*.rpm
								else
									rpmsign-unattended -D "%_gpg_name debian@x2go.org" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/i386/"*.rpm
									[ "x$SIGN_SRPM" = "x1" ] && rpmsign-unattended -D "%_gpg_name debian@x2go.org" --addsign "${PKGDIST}/${l_DIST}/${l_CODENAME}/i386/"*.rpm
								fi
								cat "${PKGDIST}/${l_DIST}/${l_CODENAME}/i386/build.log"
							else
								cat "${PKGDIST}/${l_DIST}/${l_CODENAME}/i386/build.log"
								exit 1
							fi
						done
					fi
				fi
			done
		}
	done
	return 0
}

# Uploads the build packages.
# Has no parameters.
# Does not "return" any value.
upload_packages() {
	# Do NOT spawn a subshell here. Functions like get_extra_repository() need to
	# change global variables in the main process.
	typeset -a rpm_build_for_arr
	typeset OLDIFS="${IFS}"
	IFS=" "
	read -a rpm_build_for_arr <<< "${RPM_BUILD_FOR}"
	IFS="${OLDIFS}"

	typeset line=""
	for line in "${rpm_build_for_arr[@]}"; do
		l_DIST="$(cut -d":" -f1 <<< "${line/: /:}" | tr [:upper:] [:lower:])"
		l_CODENAMES="${CODENAMES:-$(cut -d":" -f2- <<< "${line/: /:}" | sed -e 's/,/ /g' | tr [:upper:] [:lower:])}"
		for l_CODENAME in ${l_CODENAMES}; do

			test -z "${CODENAMES}" || grep "${CODENAMES}" <<< "${line}" || break

			# Yes, "SRPM" is technically not an architecture.
			for l_ARCH in x86_64 i386 SRPM; do
				if [ "x${SKIP_ARCH}" != "x${l_ARCH}" ]; then
					# create remote directories in archive
					0</dev/null ssh "${REPOS_SERVER}" "mkdir -p -- ${RPM_REPOS_BASE}/${l_DIST}/${l_CODENAME}/${COMPONENT}/${l_ARCH}/rpms/${PROJECT}"
					0</dev/null ssh "${REPOS_SERVER}" "mkdir -p -- ${RPM_REPOS_BASE}/${l_DIST}/${l_CODENAME}/${COMPONENT}/${l_ARCH}/repodata"

					# remove rpm packages of the same name (pattern)
					0</dev/null ssh "${REPOS_SERVER}" "rm -f -- ${RPM_REPOS_BASE}/${l_DIST}/${l_CODENAME}/${COMPONENT}/${l_ARCH}/rpms/${PROJECT}/*.rpm"

					# copy (s)rpms into repo
					cd "${PKGDIST}/${l_DIST}/${l_CODENAME}/${l_ARCH}"
					scp *.rpm "${REPOS_SERVER}:${RPM_REPOS_BASE}/${l_DIST}/${l_CODENAME}/${COMPONENT}/${l_ARCH}/rpms/${PROJECT}/" || true

					CREATEREPO_OPTS=""
					if [ "${l_DIST}" = "epel" ] && [ "${l_CODENAME}" = "5" ]; then
						CREATEREPO_OPTS="-s sha"
					fi
					0</dev/null ssh "${REPOS_SERVER}" "cd ${RPM_REPOS_BASE}/${l_DIST}/${l_CODENAME}/${COMPONENT}/${l_ARCH}/ && createrepo ${CREATEREPO_OPTS} ."

					0</dev/null ssh "${REPOS_SERVER}" "cd ${RPM_REPOS_BASE}/${l_DIST}/${l_CODENAME}/${COMPONENT}/${l_ARCH}/repodata &&  rm -f -- repomd.xml.asc && gpg -a -u ${GPG_KEY} --detach-sign repomd.xml" 1>/dev/null 2>/dev/null
					0</dev/null ssh "${REPOS_SERVER}" "cd ${RPM_REPOS_BASE}/${l_DIST}/${l_CODENAME}/${COMPONENT}/${l_ARCH}/repodata && test -e repomd.xml.key || gpg -a --output repomd.xml.key --export ${GPG_KEY}"
				fi
			done
		done
	done
	return 0
}

wait_for_lock() {
	while [ -f "${LOCK_FILE}" ]; do
		pid="$(head -n1 "${LOCK_FILE}")"
		if ! ps "${pid}" 1>/dev/null; then
			rm -f -- "${LOCK_FILE}"
		else
			echo "PROJECT directory is locked, sleeping for 10 seconds..."
			sleep 10
		fi
	done
}

lock_workspace() {
	wait_for_lock
	echo "${$}" > "${LOCK_FILE}"
}

unlock_workspace() {
	rm -f -- "${LOCK_FILE}"
}

delay_build() {
	sleep $[ ( ( $RANDOM % 10 )  + 1 ) * 10 ]s
}


### MAIN ###
set_vars "$@" && {
	if [ "x$(basename "${0}")" = "x${PREFIX}-build-rpm-package" ] || [ "x$(basename "${0}")" = "x${PREFIX}-build+upload-rpm-package" ]; then
		FORCE_BUILD="$(make_boolean "${FORCE_BUILD}")"
		NO_DELAY="$(make_boolean "${NO_DELAY}")"

		# This indentation may look weird, but is actually needed because bash expects either a semicolon or a newline
		# between (the last) command and a closing curly brace.
		cd "${PROJECT_DIR}" && {
			pkgneedsbuild "${CHECKOUT}" || [ "${FORCE_BUILD}" -eq "1" ]
		} && {
			if [ "${FORCE_BUILD}" -eq "1" ] && [ "${NO_DELAY}" -eq "0" ]; then
				delay_build
			fi
			lock_workspace
			prepare_workspace && {
				unlock_workspace
				clear_pkgdist
				build_packages
			}
			unlock_workspace
		}
	fi
	if [ "x$(basename "${0}")" = "x${PREFIX}-upload-rpm-package" ] || [ "x$(basename "${0}")" = "x${PREFIX}-build+upload-rpm-package" ]; then
		upload_packages
	fi
}