summaryrefslogtreecommitdiffstats
path: root/bin/reproducible_common.sh
blob: d68a55a00013f3a93879799c08876ffe33704e0f (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
#!/bin/bash

# Copyright 2014-2015 Holger Levsen <holger@layer-acht.org>
#              © 2015 Mattia Rizzolo <mattia@mapreri.org>
# released under the GPLv=2
#
# included by all reproducible_*.sh scripts
#
# define db
PACKAGES_DB=/var/lib/jenkins/reproducible.db
INIT=/var/lib/jenkins/reproducible.init
if [ -f $PACKAGES_DB ] && [ -f $INIT ] ; then
	if [ -f ${PACKAGES_DB}.lock ] ; then
		for i in $(seq 0 200) ; do
			sleep 15
			echo "sleeping 15s, $PACKAGES_DB is locked."
			if [ ! -f ${PACKAGES_DB}.lock ] ; then
				break
			fi
		done
		if [ -f ${PACKAGES_DB}.lock ] ; then
			echo "${PACKAGES_DB}.lock still exist, exiting."
			exit 1
		fi
	fi
elif [ ! -f ${PACKAGES_DB} ] && [ "$HOSTNAME" = "jenkins" ] ; then
	echo "Warning: $PACKAGES_DB doesn't exist, creating it now."
		/srv/jenkins/bin/reproducible_db_maintenance.py
	# 60 seconds timeout when trying to get a lock
	cat > $INIT <<-EOF
.timeout 60000
EOF
fi

# common variables
REPRODUCIBLE_URL=https://reproducible.debian.net
REPRODUCIBLE_DOT_ORG_URL=https://reproducible-builds.org
# shop trailing slash
JENKINS_URL=${JENKINS_URL:0:-1}

# suites being tested
SUITES="testing unstable experimental"
# architectures being tested
ARCHS="armhf amd64"
# number of cores to be used
NUM_CPU=$(grep -c '^processor' /proc/cpuinfo)

# existing usertags
USERTAGS="toolchain infrastructure timestamps fileordering buildpath username hostname uname randomness buildinfo cpu signatures environment umask ftbfs locale"

# we only need them for html creation but we cannot declare them in a function
declare -A SPOKENTARGET

BASE="/var/lib/jenkins/userContent/reproducible"
mkdir -p "$BASE"

# to hold reproducible temporary files/directories without polluting /tmp
TEMPDIR="/tmp/reproducible"
mkdir -p "$TEMPDIR"

# create subdirs for suites
for i in $SUITES ; do
	mkdir -p "$BASE/$i"
done

# tables for stats
TABLE[0]=stats_pkg_state
TABLE[1]=stats_builds_per_day
TABLE[2]=stats_builds_age
TABLE[3]=stats_bugs
TABLE[4]=stats_notes
TABLE[5]=stats_issues
TABLE[6]=stats_meta_pkg_state
TABLE[7]=stats_bugs_state

# known package sets
META_PKGSET[1]="essential"
META_PKGSET[2]="required"
META_PKGSET[3]="build-essential"
META_PKGSET[4]="build-essential-depends"
META_PKGSET[5]="popcon_top1337-installed-sources"
META_PKGSET[6]="key_packages"
META_PKGSET[7]="installed_on_debian.org"
META_PKGSET[8]="had_a_DSA"
META_PKGSET[9]="cii-census"
META_PKGSET[10]="gnome"
META_PKGSET[11]="gnome_build-depends"
META_PKGSET[12]="kde"
META_PKGSET[13]="kde_build-depends"
META_PKGSET[14]="xfce"
META_PKGSET[15]="xfce_build-depends"
META_PKGSET[16]="tails"
META_PKGSET[17]="tails_build-depends"
META_PKGSET[18]="grml"
META_PKGSET[19]="grml_build-depends"
META_PKGSET[20]="maint_pkg-perl-maintainers"
META_PKGSET[21]="maint_pkg-java-maintainers"
META_PKGSET[22]="maint_pkg-haskell-maintainers"
META_PKGSET[23]="maint_pkg-ruby-extras-maintainers"
META_PKGSET[24]="maint_pkg-golang-maintainers"
META_PKGSET[25]="maint_pkg-php-pear"
META_PKGSET[26]="maint_pkg-javascript-devel"
META_PKGSET[27]="maint_debian-boot"
META_PKGSET[28]="maint_debian-ocaml"
META_PKGSET[29]="maint_debian-x"
META_PKGSET[30]="maint_lua"

schedule_packages() {
	LC_USER="$REQUESTER" \
	LOCAL_CALL="true" \
	/srv/jenkins/bin/reproducible_remote_scheduler.py \
		--message "$REASON" \
		--no-notify \
		--suite "$SUITE" \
		--architecture "$ARCH" \
		$@
}

write_page() {
	echo "$1" >> $PAGE
}

set_icon() {
	# icons taken from tango-icon-theme (0.8.90-5)
	# licenced under http://creativecommons.org/licenses/publicdomain/
	STATE_TARGET_NAME="$1"
	case "$1" in
		reproducible)		ICON=weather-clear.png
					;;
		unreproducible|FTBR)	ICON=weather-showers-scattered.png
					;;
		FTBFS)			ICON=weather-storm.png
					;;
		depwait)		ICON=weather-snow.png
					;;
		404)			ICON=weather-severe-alert.png
					;;
		not_for_us|"not for us")	ICON=weather-few-clouds-night.png
					STATE_TARGET_NAME="not_for_us"
					;;
		blacklisted)		ICON=error.png
					;;
		*)			ICON=""
	esac
}

write_icon() {
	# ICON and STATE_TARGET_NAME are set by set_icon()
	write_page "<a href=\"/$SUITE/$ARCH/index_${STATE_TARGET_NAME}.html\" target=\"_parent\"><img src=\"/userContent/static/$ICON\" alt=\"${STATE_TARGET_NAME} icon\" /></a>"
}

write_page_header() {
	rm -f $PAGE
	MAINVIEW="stats"
	ALLSTATES="reproducible FTBR FTBFS depwait not_for_us 404 blacklisted"
	ALLVIEWS="issues notes no_notes scheduled last_24h last_48h all_abc notify dd-list pkg_sets suite_stats arch repositories stats"
	GLOBALVIEWS="issues scheduled notify repositories stats"
	SUITEVIEWS="dd-list suite_stats"
	SPOKENTARGET["issues"]="issues"
	SPOKENTARGET["notes"]="packages with notes"
	SPOKENTARGET["no_notes"]="packages without notes"
	SPOKENTARGET["scheduled"]="currently scheduled"
	SPOKENTARGET["last_24h"]="packages tested in the last 24h"
	SPOKENTARGET["last_48h"]="packages tested in the last 48h"
	SPOKENTARGET["all_abc"]="all tested packages (sorted alphabetically)"
	SPOKENTARGET["notify"]="⚑"
	SPOKENTARGET["dd-list"]="maintainers of unreproducible packages"
	SPOKENTARGET["pkg_sets"]="package sets"
	SPOKENTARGET["suite_stats"]="suite: $SUITE"
	SPOKENTARGET["repositories"]="repositories overview"
	SPOKENTARGET["stats"]="reproducible stats"
	write_page "<!DOCTYPE html><html><head>"
	write_page "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />"
	write_page "<link href=\"/userContent/static/style.css\" type=\"text/css\" rel=\"stylesheet\" />"
	write_page "<title>$2</title></head>"
	if [ "$1" != "$MAINVIEW" ] ; then
		write_page "<body><header><h2>$2</h2>"
	else
		write_page "<body onload=\"selectSearch()\"><header><h2>$2</h2>"
		write_page "<p>These pages are showing the <em>prospects</em> of <a href=\"https://wiki.debian.org/ReproducibleBuilds\" target=\"_blank\">reproducible builds of Debian packages</a>."
		write_page " The results shown were obtained from <a href=\"$JENKINS_URL/view/reproducible\">several jobs</a> running on"
		write_page " <a href=\"$JENKINS_URL/userContent/about.html#_reproducible_builds_jobs\">jenkins.debian.net</a>."
		write_page " Thanks to <a href=\"https://www.profitbricks.co.uk\">Profitbricks</a> for donating the virtual machines this is running on!</p>"
	fi
	if [ "$1" = "dd-list" ] || [ "$1" = "stats" ] ; then
		write_page "<p>Join <code>#debian-reproducible</code> on OFTC,"
		write_page "   or <a href="mailto:reproducible-builds@lists.alioth.debian.org">send us an email</a>,"
		write_page "   to get support for making sure your packages build reproducibly too. Also, we care about free software in general,"
		write_page "   so if you are an upstream developer or working on another distribution, we'd love to hear from you!"
		write_page "   Besides Debian we are also testing <a href=\"/coreboot/\">coreboot</a>, <a href=\"/openwrt/\">OpenWrt</a>, <a href=\"netbsd\">NetBSD</a> and <a href=\"/freebsd/\">FreeBSD</a> now, though not as thoroughly as Debian (yet?) - and there are plans to test <a href=\"$JENKINS_URL/userContent/todo.html#_reproducible_fedora\">Fedora</a> too."
		write_page "   As we think that reproducible builds should become the norm, we have started to write <a href=\"https://reproducible-builds.org/howto\">How to make your software reproducible</a>. As always we appreciate feedback on this document, just please don't consider it to be finished, comprehensive or correct yet.</p>"
	fi
	write_page "<nav><ul><li>Have a look at:</li>"
	for MY_STATE in $ALLSTATES ; do
		set_icon $MY_STATE
		write_page "<li>"
		write_icon
		write_page "</li>"
	done
	for TARGET in $ALLVIEWS ; do
		if [ "$TARGET" = "pkg_sets" ] && [ "$SUITE" = "experimental" ] ; then
			# no pkg_sets are tested in experimental
			continue
		fi
		if [ "$TARGET" = "pkg_sets" ] && [ "$ARCH" = "armhf" ] ; then
			# no pkg_sets for armhf _yet_
			continue
		fi
		SPOKEN_TARGET=${SPOKENTARGET[$TARGET]}
		BASEURL="/$SUITE/$ARCH"
		local i
		for i in $GLOBALVIEWS ; do
			if [ "$TARGET" = "$i" ] ; then
				BASEURL=""
			fi
		done
		for i in ${SUITEVIEWS} ; do
			if [ "$TARGET" = "$i" ] ; then
				BASEURL="/$SUITE"
			fi
		done
		if [ "$TARGET" = "suite_stats" ] ; then
			for i in $SUITES ; do
				if [ "$i" != "unstable" ] && [ "$ARCH" = "armhf" ] ; then
					# only unstable is tested on armhf atm
					continue
				fi
				write_page "<li><a href=\"/$i/index_suite_${ARCH}_stats.html\">suite: $i</a></li>"
			done
		elif [ "$TARGET" = "notify" ] ; then
			write_page "<li><a href=\"$BASEURL/index_${TARGET}.html\" title=\"notify icon\">${SPOKEN_TARGET}</a></li>"
		elif [ "$TARGET" = "arch" ] ; then
			if [ "$ARCH"  = "amd64" ] ; then
				write_page "<li><a href=\"/unstable/index_suite_armhf_stats.html\">arch: armhf</a></li>"
			else
				write_page "<li><a href=\"/unstable/index_suite_amd64_stats.html\">arch: amd64</a></li>"
			fi
		else
			write_page "<li><a href=\"$BASEURL/index_${TARGET}.html\">${SPOKEN_TARGET}</a></li>"
		fi
	done
	write_page "<li><a href=\"https://wiki.debian.org/ReproducibleBuilds\" target=\"_blank\">wiki</a></li>"
	write_page "</ul></nav>"
	if [ "$1" = "$MAINVIEW" ] ; then
		LATEST=$(sqlite3 -init $INIT ${PACKAGES_DB} "SELECT s.name FROM results AS r JOIN sources AS s ON r.package_id = s.id WHERE r.status IN ('unreproducible') AND s.suite = 'unstable' AND s.architecture = 'amd64' AND s.id NOT IN (SELECT package_id FROM notes) ORDER BY build_date DESC LIMIT 23"|sort -R|head -1)
		write_page "<form action=\"https://reproducible.debian.net/redirect\" method=\"GET\">https://reproducible.debian.net/"
		write_page "<input type=\"text\" name=\"SrcPkg\" placeholder=\"Type my friend..\" value=\"$LATEST\" />"
		write_page "<input type=\"submit\" value=\"submit source package name\" />"
		write_page "</form>"
	fi
	write_page "</header>"
}

write_page_intro() {
	write_page "       <p><em>Reproducible builds</em> enable anyone to reproduce bit by bit identical binary packages from a given source, so that anyone can verify that a given binary derived from the source it was said to be derived. There is a lot more information about <a href=\"https://wiki.debian.org/ReproducibleBuilds\">reproducible builds on the Debian wiki</a> and on <a href=\"https://reproducible.debian.net\">https://reproducible.debian.net</a>. The wiki explains in more depth why this is useful, what common issues exist and which workarounds and solutions are known.<br />"
	local BUILD_ENVIRONMENT=" in a Debian environment"
	local BRANCH="master"
	if [ "$1" = "coreboot" ] ; then
		write_page "        <em>Reproducible Coreboot</em> is an effort to apply this to coreboot. Thus each coreboot.rom is build twice (without payloads), with a few varitations added and then those two ROMs are compared using <a href=\"https://tracker.debian.org/diffoscope\">diffoscope</a>. Please note that the toolchain is not varied at all as the rebuild happens on exactly the same system. More variations are expected to be seen in the wild.</p>"
		local PROJECTNAME="$1"
		local PROJECTURL="https://review.coreboot.org/p/coreboot.git"
	elif [ "$1" = "OpenWrt" ] ; then
		write_page "        <em>Reproducible OpenWrt</em> is an effort to apply this to OpenWrt. Thus each OpenWrt target is build twice, with a few varitations added and then the resulting images and packages from the two builds are compared using <a href=\"https://tracker.debian.org/diffoscope\">diffoscope</a>, <em>which currently cannot detect <code>.bin</code> files as squashfs filesystems.</em> Thus the resulting diffoscope output is not nearly as clear as it could be - hopefully this limitation will be overcome soon. Also please note that the toolchain is not varied at all as the rebuild happens on exactly the same system. More variations are expected to be seen in the wild.</p>"
		local PROJECTNAME="openwrt"
		local PROJECTURL="git://git.openwrt.org/openwrt.git"
	elif [ "$1" = "NetBSD" ] ; then
		write_page "        <em>Reproducible NetBSD</em> is an effort to apply this to NetBSD. Thus each NetBSD target is build twice, with a few varitations added and then the resulting files from the two builds are compared using <a href=\"https://tracker.debian.org/diffoscope\">diffoscope</a>. Please note that the toolchain is not varied at all as the rebuild happens on exactly the same system. More variations are expected to be seen in the wild.</p>"
		local PROJECTNAME="netbsd"
		local PROJECTURL="https://github.com/jsonn/src"
	elif [ "$1" = "FreeBSD" ] ; then
		write_page "        <em>Reproducible FreeBSD</em> is an effort to apply this to FreeBSD. Thus FreeBSD is build twice, with a few varitations added and then the resulting filesystems from the two builds are put into a compressed tar archive, which is then compared using <a href=\"https://tracker.debian.org/diffoscope\">diffoscope</a>. Please note that the toolchain is not varied at all as the rebuild happens on exactly the same system. More variations are expected to be seen in the wild.</p>"
		local PROJECTNAME="freebsd"
		local PROJECTURL="https://github.com/freebsd/freebsd.git"
		local BUILD_ENVIRONMENT=", which via ssh triggers a build on a FreeBSD 10.1 system"
		local BRANCH="release/10.2.0"
	fi
	write_page "       <p>There is a monthly run <a href=\"https://jenkins.debian.net/view/reproducible/job/reproducible_$PROJECTNAME/\">jenkins job</a> to test the <code>$BRANCH</code> branch of <a href=\"$PROJECTURL\">$PROJECTNAME.git</a>. Currently this job is triggered more often though, because this is still under development and brand new. The jenkins job is running <a href=\"http://anonscm.debian.org/cgit/qa/jenkins.debian.net.git/tree/bin/reproducible_$PROJECTNAME.sh\">reproducible_$PROJECTNAME.sh</a>$BUILD_ENVIRONMENT and this script is solely responsible for creating this page. Feel invited to join <code>#debian-reproducible</code> (on irc.oftc.net) to request job runs whenever sensible. Patches and other <a href=\"mailto:reproducible-builds@lists.alioth.debian.org\">feedback</a> are very much appreciated - if you want to help, please start by looking at the <a href=\"$JENKINS_URL/userContent/todo.html#_reproducible_$(echo $1|tr '[:upper:]' '[:lower:]')\">ToDo list for $1</a>, you might find something easy to contribute.</p>"
}

write_page_footer() {
	write_page "<hr/><p style=\"font-size:0.9em;\">There is more information <a href=\"$JENKINS_URL/userContent/about.html\">about jenkins.debian.net</a> and about <a href=\"https://wiki.debian.org/ReproducibleBuilds\"> reproducible builds of Debian</a> available elsewhere. Last update: $(date +'%Y-%m-%d %H:%M %Z'). Copyright 2014-2015 <a href=\"mailto:holger@layer-acht.org\">Holger Levsen</a> and others, GPL2 licensed. The weather icons are public domain and have been taken from the <a href="http://tango.freedesktop.org/Tango_Icon_Library" target="_blank">Tango Icon Library</a>."
	if [ "$1" = "coreboot" ] ; then
		write_page "The <a href=\"http://www.coreboot.org\">Coreboot</a> logo is Copyright © 2008 by Konsult Stuge and coresystems GmbH and can be freely used to refer to the Coreboot project."
	elif [ "$1" = "NetBSD" ] ; then
		write_page "NetBSD® is a registered trademark of The NetBSD Foundation, Inc."
	elif [ "$1" = "FreeBSD" ] ; then
		write_page "FreeBSD is a registered trademark of The FreeBSD Foundation. The FreeBSD logo and The Power to Serve are trademarks of The FreeBSD Foundation."
	fi
	write_page "</p></body></html>"
}

write_page_meta_sign() {
	write_page "<p style=\"font-size:0.9em;\">A package name displayed with a bold font is an indication that this package has a note. Visited packages are linked in green, those which have not been visited are linked in blue.</br>"
	write_page "A <code><span class=\"bug\">&#35;</span></code> sign after the name of a package indicates that a bug is filed against it. Likewise, a <code><span class=\"bug-patch\">&#43;</span></code> sign indicates there is a patch available, a <code><span class="bug-pending">P</span></code> means a pending bug while <code><span class=\"bug-done\">&#35;</span></code> indicates a closed bug. In cases of several bugs, the symbol is repeated.</p>"
}

write_explaination_table() {
	write_page "<p style=\"clear:both;\">"
	write_page "<table class=\"main\" id=\"variation\"><tr><th>variation</th><th>first build</th><th>second build</th></tr>"
	if [ "$1" = "debian" ] ; then
		write_page "<tr><td>hostname</td><td>$(hostname)</td><td>i-capture-the-hostname</td></tr>"
		write_page "<tr><td>domainname</td><td>$(hostname -d)</td><td>i-capture-the-domainname</td></tr>"
	else
		write_page "<tr><td>hostname</td><td colspan=\"2\"> is not yet varied between rebuilds of $1.</td></tr>"
		write_page "<tr><td>domainname</td><td colspan=\"2\"> is not yet varied between rebuilds of $1.</td></tr>"
	fi
	if [ "$1" != "FreeBSD" ] ; then
		write_page "<tr><td>env CAPTURE_ENVIRONMENT</td><td><em>not set</em></td><td>CAPTURE_ENVIRONMENT=\"I capture the environment\"</td></tr>"
	fi
	write_page "<tr><td>env TZ</td><td>TZ=\"/usr/share/zoneinfo/Etc/GMT+12\"</td><td>TZ=\"/usr/share/zoneinfo/Etc/GMT-14\"</td></tr>"
	write_page "<tr><td>env LANG</td><td>LANG=\"en_GB.UTF-8\"</td><td>LANG=\"fr_CH.UTF-8\"</td></tr>"
	write_page "<tr><td>env LC_ALL</td><td><em>not set</em></td><td>LC_ALL=\"fr_CH.UTF-8\"</td></tr>"
	if [ "$1" != "FreeBSD" ] ; then
		write_page "<tr><td>env PATH</td><td>PATH=\"/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:\"</td><td>PATH=\"/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path\"</td></tr>"
	else
		write_page "<tr><td>env PATH</td><td colspan=\"2\"> is not yet varied between rebuilds of $1.\"</td><td>is not yet varied between rebuilds of $1.\"</td></tr>"
	fi
	if [ "$1" = "debian" ] ; then
		write_page "<tr><td>env BUILDUSERID</td><td>BUILDUSERID=\"1111\"</td><td>BUILDUSERID=\"2222\"</td></tr>"
		write_page "<tr><td>env BUILDUSERNAME</td><td>BUILDUSERNAME=\"pbuilder1\"</td><td>BUILDUSERNAME=\"pbuilder2\"</td></tr>"
		write_page "<tr><td>env USER</td><td>USER=\"pbuilder1\"</td><td>USER=\"pbuilder2\"</td></tr>"
		write_page "<tr><td>uid</td><td>uid=1111</td><td>uid=2222</td></tr>"
		write_page "<tr><td>gid</td><td>gid=1111</td><td>gid=2222</td></tr>"
		write_page "<tr><td>env DEB_BUILD_OPTIONS</td><td>DEB_BUILD_OPTIONS=\"parallel=$NUM_CPU\"</td><td>DEB_BUILD_OPTIONS=\"parallel=$(echo $NUM_CPU-1|bc)\"<br />(using a different number of cores is on the agenda)</td></tr>"
		write_page "<tr><td>UTS namespace</td><td><em>shared with the host</em></td><td><em>modified using</em> /usr/bin/unshare --uts</td></tr>"
	else
		write_page "<tr><td>env USER</td><td colspan=\"2\"> is not yet varied between rebuilds of $1.</td></tr>"
		write_page "<tr><td>uid</td><td colspan=\"2\"> is not yet varied between rebuilds of $1.</td></tr>"
		write_page "<tr><td>gid</td><td colspan=\"2\"> is not yet varied between rebuilds of $1.</td></tr>"
		if [ "$1" != "FreeBSD" ] ; then
			write_page "<tr><td>UTS namespace</td><td colspan=\"2\"> is not yet varied between rebuilds of $1.</td></tr>"
		fi
	fi
	if [ "$1" != "FreeBSD" ] ; then
		write_page "<tr><td>kernel version, modified using /usr/bin/linux64 --uname-2.6</td><td>$(uname -sr)</td><td>$(/usr/bin/linux64 --uname-2.6 uname -sr)</td></tr>"
		write_page "<tr><td>umask</td><td>0022<td>0002</td><tr>"
	else
		write_page "<tr><td>FreeBSD kernel version</td><td colspan=\"2\"> is not yet varied between rebuilds of $1.</td></tr>"
		write_page "<tr><td>umask</td><td colspan=\"2\"> is not yet varied between rebuilds of $1.</td><tr>"
	fi
	if [ "$1" = "debian" ] ; then
		write_page "<tr><td>CPU type</td><td>$(cat /proc/cpuinfo|grep 'model name'|head -1|cut -d ":" -f2-)</td><td>same for both builds (currently, work in progress)</td></tr>"
	else
		write_page "<tr><td>CPU type</td><td>$(cat /proc/cpuinfo|grep 'model name'|head -1|cut -d ":" -f2-)</td><td>same for both builds</td></tr>"
	fi
	write_page "<tr><td>year, month, date</td><td>today ($DATE)</td><td>same for both builds (currently, work in progress)</td></tr>"
	if [ "$1" != "FreeBSD" ] ; then
		write_page "<tr><td>hour, minute</td><td>hour and minute will probably vary between two builds...</td><td>but this is not enforced systematically... (currently, work in progress)</td></tr>"
		write_page "<tr><td>Filesystem</td><td>tmpfs</td><td>same for both builds (currently, <a href=\"https://tracker.debian.org/disorderfs\">work in progress</a>)</td></tr>"
	else
		write_page "<tr><td>hour, minute</td><td>hour and minute will probably vary between two builds...</td><td>but this is not enforced systematically...)</td></tr>"
		write_page "<tr><td>filesystem of the build directory</td><td>ufs</td><td>same for both builds</td></tr>"
	fi
	if [ "$1" = "debian" ] ; then
		write_page "<tr><td><em>everything else...</em></td><td colspan=\"2\">is likely the same. So far, this is just about the <em>prospects</em> of <a href=\"https://wiki.debian.org/ReproducibleBuilds\">reproducible builds of Debian</a> - there will be more variations in the wild.</td></tr>"
	else
		write_page "<tr><td><em>everything else...</em></td><td colspan=\"2\">is likely the same. There will be more variations in the wild.</td></tr>"
	fi
	write_page "</table></p>"
}

publish_page() {
	if [ "$1" = "" ] ; then
		TARGET=$PAGE
	else
		TARGET=$1/$PAGE
	fi
	cp $PAGE $BASE/$TARGET
	rm $PAGE
	echo "Enjoy $REPRODUCIBLE_URL/$TARGET"
}

link_packages() {
	set +x
        local i
	for (( i=1; i<$#+1; i=i+400 )) ; do
		local string='['
		local delimiter=''
		local j
		for (( j=0; j<400; j++)) ; do
			local item=$(( $j+$i ))
			if (( $item < $#+1 )) ; then
				string+="${delimiter}\"${!item}\""
				delimiter=','
			fi
		done
		string+=']'
		cd /srv/jenkins/bin
		DATA=" $(python3 -c "from reproducible_common import link_packages; \
				print(link_packages(${string}, '$SUITE', '$ARCH'))" 2> /dev/null)"
		cd - > /dev/null
		write_page "$DATA"
	done
	if "$DEBUG" ; then set -x ; fi
}

gen_package_html() {
	cd /srv/jenkins/bin
	python3 -c "import reproducible_html_packages as rep
pkg = rep.Package('$1', no_notes=True)
rep.gen_packages_html([pkg], no_clean=True)" || echo "Warning: cannot update html pages for $1"
	cd - > /dev/null
}

calculate_build_duration() {
	END=$(date +'%s')
	DURATION=$(( $END - $START ))
}

print_out_duration() {
	local HOUR=$(echo "$DURATION/3600"|bc)
	local MIN=$(echo "($DURATION-$HOUR*3600)/60"|bc)
	local SEC=$(echo "$DURATION-$HOUR*3600-$MIN*60"|bc)
	echo "$(date) - total duration: ${HOUR}h ${MIN}m ${SEC}s." | tee -a ${RBUILDLOG}
}

irc_message() {
	local MESSAGE="$@"
	kgb-client --conf /srv/jenkins/kgb/debian-reproducible.conf --relay-msg "$MESSAGE" || true # don't fail the whole job
}

call_diffoscope() {
	mkdir -p $TMPDIR/$1/$(dirname $2)
	local TMPLOG=(mktemp --tmpdir=$TMPDIR)
	local msg=""
	set +e
	( timeout $TIMEOUT schroot \
		--directory $TMPDIR \
		-c source:jenkins-reproducible-${DBDSUITE}-diffoscope \
		diffoscope -- \
			--html $TMPDIR/$1/$2.html \
			$TMPDIR/b1/$1/$2 \
			$TMPDIR/b2/$1/$2 2>&1 \
	) 2>&1 >> $TMPLOG
	RESULT=$?
	if ! "$DEBUG" ; then set +x ; fi
	set -e
	cat $TMPLOG # print dbd output
	rm -f $TMPLOG
	case $RESULT in
		0)	echo "$(date -u) - $1/$2 is reproducible, yay!"
			;;
		1)
			echo "$(date -u) - $DIFFOSCOPE found issues, please investigate $1/$2"
			;;
		2)
			msg="$(date -u) - $DIFFOSCOPE had trouble comparing the two builds. Please investigate $1/$2"
			;;
		124)
			if [ ! -s $TMPDIR/$1.html ] ; then
				msg="$(date -u) - $DIFFOSCOPE produced no output for $1/$2 and was killed after running into timeout after ${TIMEOUT}..."
			else
				msg="$DIFFOSCOPE was killed after running into timeout after $TIMEOUT, but there is still $TMPDIR/$1/$2.html"
			fi
			;;
		*)
			msg="$(date -u) - Something weird happened when running $DIFFOSCOPE on $1/$2 (which exited with $RESULT) and I don't know how to handle it."
			;;
	esac
	if [ ! -z "$msg" ] ; then
		echo $msg | tee -a $TMPDIR/$1/$2.html
	fi
}

get_filesize() {
		local BYTESIZE="$(du -h -b $1 | cut -f1)"
		# numbers below 16384K are understood and more meaningful than 16M...
		if [ $BYTESIZE -gt 16777216 ] ; then
			SIZE="$(echo $BYTESIZE/1048576|bc)M"
		elif [ $BYTESIZE -gt 1024 ] ; then
			SIZE="$(echo $BYTESIZE/1024|bc)K"
		else
			SIZE="$BYTESIZE bytes"
		fi
}

cleanup_pkg_files() {
	rm -vf $BASE/rbuild/${SUITE}/${ARCH}/${SRCPACKAGE}_*.rbuild.log{,.gz}
	rm -vf $BASE/logs/${SUITE}/${ARCH}/${SRCPACKAGE}_*.build?.log{,.gz}
	rm -vf $BASE/dbd/${SUITE}/${ARCH}/${SRCPACKAGE}_*.debbindiff.html
	rm -vf $BASE/dbdtxt/${SUITE}/${ARCH}/${SRCPACKAGE}_*.debbindiff.txt{,.gz}
	rm -vf $BASE/buildinfo/${SUITE}/${ARCH}/${SRCPACKAGE}_*.buildinfo
	rm -vf $BASE/logdiffs/${SUITE}/${ARCH}/${SRCPACKAGE}_*.diff{,.gz}
}

#
# create the png (and query the db to populate a csv file...)
#
create_png_from_table() {
	echo "Checking whether to update $2..."
	# $1 = id of the stats table
	# $2 = image file name
	# $3 = meta package set, only sensible if $1=6
	echo "${FIELDS[$1]}" > ${TABLE[$1]}.csv
	# prepare query
	WHERE_EXTRA="WHERE suite = '$SUITE'"
	if [ $1 -eq 3 ] || [ $1 -eq 4 ] || [ $1 -eq 5 ] ; then
		# TABLE[3+4+5] don't have a suite column:
		WHERE_EXTRA=""
	elif [ $1 -eq 6 ] ; then
		# 6 is special too:
		WHERE_EXTRA="WHERE suite = '$SUITE' and meta_pkg = '$3'"
	fi
	if [ $1 -eq 0 ] || [ $1 -eq 2 ] ; then
		# TABLE[0+2] have a architecture column:
		WHERE_EXTRA="$WHERE_EXTRA AND architecture = \"$ARCH\""
	fi
	# run query
	if [ $1 -eq 1 ] ; then
		# not sure if it's worth to generate the following query...
		# we ignore the architecture for now here
		sqlite3 -init ${INIT} --nullvalue 0 -csv ${PACKAGES_DB} "SELECT s.datum,
			 COALESCE((SELECT e.reproducible FROM stats_builds_per_day AS e where s.datum=e.datum and suite='testing'),0) as 'reproducible_testing',
			 COALESCE((SELECT e.reproducible FROM stats_builds_per_day AS e where s.datum=e.datum and suite='unstable'),0) as 'reproducible_unstable', 
			 COALESCE((SELECT e.reproducible FROM stats_builds_per_day AS e where s.datum=e.datum and suite='experimental'),0) as 'reproducible_experimental',
			 (SELECT e.unreproducible FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='testing') AS unreproducible_testing,
			 (SELECT e.unreproducible FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='unstable') AS unreproducible_unstable,
			 (SELECT e.unreproducible FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='experimental') AS unreproducible_experimental,
			 (SELECT e.FTBFS FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='testing') AS FTBFS_testing,
			 (SELECT e.FTBFS FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='unstable') AS FTBFS_unstable,
			 (SELECT e.FTBFS FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='experimental') AS FTBFS_experimental,
			 (SELECT e.other FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='testing') AS other_testing,
			 (SELECT e.other FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='unstable') AS other_unstable,
			 (SELECT e.other FROM stats_builds_per_day e WHERE s.datum=e.datum AND suite='experimental') AS other_experimental
			 FROM stats_builds_per_day AS s GROUP BY s.datum" >> ${TABLE[$1]}.csv
	elif [ $1 -eq 2 ] ; then
		# just make a graph of the oldest reproducible build (ignore FTBFS and unreproducible)
		sqlite3 -init ${INIT} -csv ${PACKAGES_DB} "SELECT datum, oldest_reproducible FROM ${TABLE[$1]} ${WHERE_EXTRA} ORDER BY datum" >> ${TABLE[$1]}.csv
	elif [ $1 -eq 7 ] ; then
		sqlite3 -init ${INIT} -csv ${PACKAGES_DB} "SELECT datum, $SUM_DONE, $SUM_OPEN from ${TABLE[3]} ORDER BY datum" >> ${TABLE[$1]}.csv
	else
		sqlite3 -init ${INIT} -csv ${PACKAGES_DB} "SELECT ${FIELDS[$1]} from ${TABLE[$1]} ${WHERE_EXTRA} ORDER BY datum" >> ${TABLE[$1]}.csv
	fi
	# this is a gross hack: normally we take the number of colors a table should have...
	#  for the builds_age table we only want one color, but different ones, so this hack:
	COLORS=${COLOR[$1]}
	if [ $1 -eq 2 ] ; then
		case "$SUITE" in
			testing)	COLORS=40 ;;
			unstable)	COLORS=41 ;;
			experimental)	COLORS=42 ;;
		esac
	fi
	# only generate graph if the query returned data
	if [ $(cat ${TABLE[$1]}.csv | wc -l) -gt 1 ] ; then
		echo "Updating $2..."
		DIR=$(dirname $2)
		mkdir -p $DIR
		echo "Generating $2."
		/srv/jenkins/bin/make_graph.py ${TABLE[$1]}.csv $2 ${COLORS} "${MAINLABEL[$1]}" "${YLABEL[$1]}"
		mv $2 $BASE/$DIR
		[ "$DIR" = "." ] || rmdir $(dirname $2)
	# create empty dummy png if there havent been any results ever
	elif [ ! -f $BASE/$DIR/$(basename $2) ] ; then
		DIR=$(dirname $2)
		mkdir -p $DIR
		echo "Creating $2 dummy."
		convert -size 1920x960 xc:#aaaaaa -depth 8 $2
		if [ "$3" != "" ] ; then
			local THUMB="${TABLE[1]}_${3}-thumbnail.png"
			convert $2 -adaptive-resize 160x80 ${THUMB}
			mv ${THUMB} $BASE/$DIR
		fi
		mv $2 $BASE/$DIR
		[ "$DIR" = "." ] || rmdir $(dirname $2)
	fi
	rm ${TABLE[$1]}.csv
}