Send patches - preferably formatted by git format-patch - to patches at archlinux32 dot org.
summaryrefslogtreecommitdiff
path: root/bin/build-packages
blob: 02334e9df05cc3600c418421c59e341e42eb8117 (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
#!/bin/sh

# build packages one by one, then upload the binary package to the repository server
# Details:
#  https://github.com/archlinux32/builder/wiki/Build-system#build-packages

# shellcheck source=conf/default.conf
. "${0%/*}/../conf/default.conf"

# TODO: build other 'architectures', too (pentium4, i486)

# shellcheck disable=SC2016
usage() {
  >&2 echo ''
  >&2 echo 'build-packages: build package(s) on the build-list'
  >&2 echo ''
  >&2 echo 'possible options:'
  >&2 echo '  -h|--help:   Show this help and exit.'
  >&2 echo '  -l|--local pkgname.git-revision.git-mod-revision.repository:'
  >&2 echo '               Build the given package without asking / reporting to the'
  >&2 echo '               build master (except -u is given). Cannot be combined with'
  >&2 echo '               -n, -p, -t or -x.'
  >&2 echo '             where:'
  >&2 echo '               - git-revision: packages-HEAD or community-HEAD or a valid commit'
  >&2 echo '               - git-mod-revision: work-tree or a valid commit'
  >&2 echo '             example:'
  >&2 echo '               build-package -l   which.packages-HEAD.work-tree.core'
  >&2 echo '  -n count:    Build $count packages (if available), then exit.'
  >&2 echo '               $count=0 is interpreted as infinity.'
  >&2 echo '               The default is $count=1 or 0 iff -t or -x is given.'
  >&2 echo '               Cannot be combined with -l.'
  >&2 echo '  -p|--prefer pkgname:'
  >&2 echo '               Ask the build master to get an assignment for the given'
  >&2 echo '               package but built what is offered anyway. Cannot be combined'
  >&2 echo '               with -l.'
  >&2 echo '  -s|--straw $straw:'
  >&2 echo '               Use this straw instead of the preconfigured ones. -- May be'
  >&2 echo '               given multiple times to allow using multiple straws.'
  >&2 echo '  -t seconds:  Do not request new assignment(s) $seconds seconds after start.'
  >&2 echo '               Cannot be combined with -l.'
  >&2 echo '  -u|--upload: Upload explicitely built package to build master.'
  >&2 echo '               Can only be used with -l.'
  >&2 echo '  -x:          If package build fails, do not request new assignment(s).'
  >&2 echo '               Cannot be combined with -l.'
  [ -z "$1" ] && exit 1 || exit "$1"
}

eval set -- "$(
  getopt -o hl:n:p:s:t:ux \
    --long help \
    --long local: \
    --long prefer: \
    --long straw: \
    --long upload \
    -n "$(basename "$0")" -- "$@" || \
  echo usage
)"

unset count
unset forced_package
unset forced_straws
unset prefered_package
exit_after_failure=false
upload_to_build_master=false
timeout=0

while true
do
  case "$1" in
    -h|--help)
      usage 0
    ;;
    -l|--local)
      shift
      if [ -n "${forced_package}" ]; then
        >&2 echo 'Option -l, --local can be given only once.'
        usage
      fi
      forced_package="$1"
    ;;
    -n)
      shift
      count="$1"
      [ "${count}" -eq 0 ] && \
        count=-1
    ;;
    -p|--prefer)
      shift
      if [ -n "${prefered_package}" ]; then
        >&2 echo 'Option -p, --prefer can be given only once.'
        usage
      fi
      prefered_package="$1"
    ;;
    -s|--straw)
      shift
      forced_straws="${forced_straws} $1"
    ;;
    -t)
      shift
      timeout="$1"
    ;;
    -u|--upload)
      upload_to_build_master=true
    ;;
    -x)
      exit_after_failure=true
    ;;
    --)
      shift
      break
    ;;
    *)
      >&2 echo 'Whoops, forgot to implement option "'"$1"'" internally.'
      exit 42
    ;;
  esac
  shift
done

if [ $# -ne 0 ]; then
  >&2 echo 'Too many arguments.'
  usage
fi

if [ -n "${forced_package}" ]; then
  if [ -n "${count}" ] || \
    [ "${timeout}" -ne 0 ] || \
    [ -n "${prefered_package}" ] || \
    ${exit_after_failure}; then
    >&2 echo 'Conflicting flags.'
    usage
  fi
else
  if ${upload_to_build_master}; then
    >&2 echo 'Conflicting flags.'
    usage
  fi
  upload_to_build_master=true
fi

if [ -z "${count}" ]; then
  if [ "${timeout}" -ne 0 ] || ${exit_after_failure}; then
    count=-1
  else
    count=1
  fi
fi

if [ -n "${forced_straws}" ]; then
  straws_that_might_repair_failing_builds="${forced_straws# }"
fi

if [ "${timeout}" -ne 0 ]; then
  timeout=$((timeout+$(date +%s)))
fi

while [ "${count}" -ne 0 ]; do

  if [ "${timeout}" -ne 0 ] && [ "${timeout}" -lt "$(date +%s)" ];
  then
    break
  fi

  err=0
  if [ -z "${forced_package}" ]; then
    package=$(
      # shellcheck disable=SC2029
      ssh \
        -i "${master_build_server_identity}" \
        -p "${master_build_server_port}" \
        "${master_build_server_user}@${master_build_server}" \
        'get-assignment' "${prefered_package}"
    ) || err=$?
  else
    package=$(
      echo "${forced_package}" | \
        sed '
          s|\.\([^.]\+\)\.\([^.]\+\)\.\([^.]\+\)$| \1 \2 \3|
        '
    )
  fi

  case ${err} in

    #  0: ok, I gave you an assignment
    0)
      [ ${count} -gt 0 ] && \
        count=$((count-1))
      sub_pkgrel="${package##* }"
      package="${package% *}"
      repository="${package##* }"
      package="${package% *}"
      mod_git_revision="${package##* }"
      package="${package% *}"
      git_revision="${package##* }"
      if [ "${git_revision}" = "${package}" ]; then
        # build master did not tell us a sub_pkgrel
        git_revision="${mod_git_revision}"
        mod_git_revision="${repository}"
        repository="${sub_pkgrel}"
        sub_pkgrel='0'
      else
        package="${package% *}"
      fi

      if [ "${git_revision##*-}" = 'HEAD' ]; then
        git_revision=$(
          repo_name="${git_revision%-*}"
          eval repo_path='"${repo_paths__'"${repo_name}"'}"'
          if [ -z "${repo_path}" ]; then
            >&2 printf 'Unknown git repository "%s".\n' "${repo_name}"
            exit 2
          fi
          git -C "${repo_path}" rev-parse HEAD
        )
      fi

      if [ "${mod_git_revision}" = 'work-tree' ]; then
        mod_git_revision=$(
          # we can't just create an empty index-file with mktemp, because git doesn't like it
          find . \
            -mindepth 1 \
            -maxdepth 1 \
            -name 'tmp.build-packages.git.*' \
            -exec rm -rf --one-file-system {} \;
          tmp_subdir=$(mktemp -d 'tmp.build-packages.git.XXXXXXXXXX' --tmpdir)
          trap 'rm -rf --one-file-system "${tmp_subdir}"' EXIT
          export GIT_INDEX_FILE="${tmp_subdir}/index.new"
          git -C "${repo_paths__archlinux32}" add -A
          git -C "${repo_paths__archlinux32}" write-tree
        )
      fi

      # Update git repositories (official packages, community packages and the repository of package customizations).

      for repo_name in ${repo_names}; do
        eval repo_path='"${repo_paths__'"${repo_name}"'}"'
        git -C "${repo_path}" fetch
      done

      git_repo=$(find_repository_with_commit "${git_revision}")

      find_pkgbuilds "${package}" "${repository}" "${git_repo}" "${git_revision}" "${mod_git_revision}"

      # trigger update of mirror (if configured)
      if [ -n "${mirror_update_command}" ]; then
        ${mirror_update_command}
      fi

      bail_out() {
        err=$?
        if [ -n "$1" ]; then
          err="$1"
        fi
        cd "${base_dir}"
        recursively_umount_and_rm "${tmp_dir}"
        flock -u 9 || true
        exit "${err}"
      }
      find "${work_dir}" \
        -mindepth 1 \
        -maxdepth 1 \
        -name 'tmp.build-packages.??????' \
        -printf '%p\n' | \
        while read -r old_tmp_dir; do
          find "${old_tmp_dir}" -xdev -exec chmod 777 {} \;
          rm -rf --one-file-system "${old_tmp_dir}"
        done
      tmp_dir=$(mktemp -d "${work_dir}/tmp.build-packages.XXXXXX")
      trap bail_out EXIT

      extract_source_directory "${git_repo}" "${git_revision}" "${mod_git_revision}" "${tmp_dir}" "${sub_pkgrel}"

      cd "${tmp_dir}"
      success=false
      for straw in ${straws_that_might_repair_failing_builds}; do

        if echo "${straw}" | \
          grep -qF ':mirrored_source:'; then
          # maybe a missing source is/was the problem?
          if makepkg --verifysource 2>/dev/null; then
            # nope, sources are fine
            continue
          fi
          # try to download them from sources.archlinux.org/sources/$repo/$source
          source_name=$(
            makepkg --printsrcinfo | \
              sed -n '
                /^\s*\(epoch\|pkg\(base\|ver\|rel\)\) = /{s|^\s\+||;p}
                /^pkgname = /q
              ' | \
              sed '
                s|^pkgbase = \(.*\)$|0 \1-|
                s|^epoch = \(.*\)$|1 \1:|
                s|^pkgver = \(.*\)$|2 \1-|
                s|^pkgrel = \([^.]*\)\(\..*\)\?$|3 \1.src.tar.gz|
              ' | \
              sort -k1n,1 | \
              sed '
                s|^[0-9] ||
                :a
                  N
                  s|\n[0-9] \(\S\+\)$|\1|
                ta
              '
          )
          if ! wget -nc -nd "https://sources.archlinux.org/sources/${git_repo}/${source_name}"; then
            # we can't improve anything
            continue
          fi
          # shellcheck disable=SC2046
          tar -xz --overwrite \
            -f "${source_name}" \
            --exclude PKGBUILD \
            $(
              if [ -n "${PKGBUILD_mod}" ]; then
                git -C "${repo_paths__archlinux32}/${PKGBUILD_mod%/*}" archive "${mod_git_revision}" -- . | \
                  tar -t | \
                  sed 's/^/--exclude /'
              fi
            ) \
            --strip-components=1 \
            || true
        fi

        if echo "${straw}" | \
          grep -qF ':mirrored_source_by_hash:'; then
          # maybe a missing source is/was the problem?
          if makepkg --verifysource 2>/dev/null; then
            # nope, sources are fine
            continue
          fi
          # download it from sources.archlinux32.org by its hash
          if ! download_sources_by_hash "${package}" "${repository}" "${git_revision}" "${mod_git_revision}"; then
            # we can't improve anything, if no source was downloadable
            continue
          fi
        fi

        if echo "${straw}" | \
          grep -qF ':with_build_support:'; then
          build_command='staging-with-build-support-i686-build'
        else
          build_command='staging-i686-build'
        fi

        if echo "${straw}" | \
          grep -qF ':clean_chroot:'; then
          outerParameters='-c'
        else
          outerParameters=''
        fi

        if echo "${straw}" | \
          grep -qF ':without_check:'; then
          innerParameters='--nocheck'
        else
          innerParameters=''
        fi

        if echo "${straw}" | \
          grep -qF ':with_/dev/fuse:'; then
          middleParameters='-d /dev/fuse'
        else
          middleParameters=''
        fi

        find . -maxdepth 1 -type f \( -name '*.pkg.tar.xz' -o -name '*.pkg.tar.xz.sig' \) -exec \
          rm {} \;

        echo 'building' > "${tmp_dir}/.ping-build-master"
        if [ -z "${forced_package}" ]; then
          # we get a lock on "${work_dir}/ping-build-master.lock",
          # if we release that lock, ping-to-master should stop _immediately_
          exec 9> "${work_dir}/ping-build-master.lock"
          if ! flock -n 9; then
            >&2 echo 'ERROR: Cannot lock ping-to-master - this should not happen.'
            exit 2
          fi
          "${base_dir}/bin/ping-to-master" "$$" "${tmp_dir}" &
        fi
        >&2 printf '%s: building package "%s" (revisions %s %s, repository %s, straw %s) ...' \
          "$(date +'%Y-%m-%d %T')" \
          "${package}" \
          "${git_revision}" \
          "${mod_git_revision}" \
          "${repository}" \
          "${straw}"
        # by piping the log, we don't see anything in the terminal,
        # but all ways to duplicate the logs seem pretty elaborate
        # shellcheck disable=SC2024,SC2086
        if sudo "${build_command}" ${outerParameters} -- ${middleParameters} -- ${innerParameters} > \
          "$(
            date -u --iso-8601=seconds | \
              cut -d+ -f1
          ).build-log" 2>&1; then
          # build successful
          >&2 printf ' ok.\n'
          tar_content_dir=$(mktemp -d "${tmp_dir}/tar-content.XXXXXX")
          find . -maxdepth 1 -type f -name '*-debug-*.pkg.tar.xz*' -delete
          echo 'post-build' > "${tmp_dir}/.ping-build-master"
          >&2 printf 'signing package(s)\n'
          find . -maxdepth 1 -type f -name '*.pkg.tar.xz' \
            -execdir gpg --local-user="${package_key}" --detach-sign '{}' \; \
            -execdir mv '{}' '{}.sig' '{}-namcap.log' "${tar_content_dir}/" \; \
            -printf '%f\n' | \
            sponge | \
            while read -r pkg_file; do
              {
                pacman -Spdd --print-format '%l' --noconfirm "${pkg_file%-*-*-*}" | \
                  sed '
                    s|/[^/]\+\.pkg\.tar\.xz$||
                  '
                # shellcheck disable=SC2016
                curl -Ss 'https://www.archlinux.org/mirrorlist/?country=all&protocol=https&tier=1&use_mirror_status=on' | \
                  sed -n '
                    s/^#Server = //
                    T
                    s/\$repo/'"${repository}"'/g
                    s/\$arch/x86_64/g
                    p
                  ' | \
                  shuf
              } | \
                sed '
                  s|$|/'"${pkg_file}"'|
                  s/\.[0-9]\+\(-[^-]\+\)$/\1/
                  s/-i686\(\.pkg\.tar\.xz\)$/-x86_64\1/
                ' | \
                while read -r url; do
                  >&2 printf 'downloading "%s" ...' "${url}"
                  if wget -q -nd "${url}"; then
                    >&2 printf ' ok.\n'
                    break;
                  fi
                  >&2 printf ' failed. Next ...\n'
                done
            done
          >&2 printf 'searching for provided libraries\n'
          find "${tar_content_dir}" -maxdepth 1 \
            -name '*.pkg.tar.xz' \
            -printf '%p\n' | \
            while read -r pkgfile; do
              pacman -Qqlp "${pkgfile}" | \
                sed -n '
                  s,^.*/,,
                  /\.so\(\..\+\)\?$/p
                ' > \
                "${pkgfile}.so.provides"
            done
          >&2 printf 'searching for required libraries\n'
          package_content_dir=$(mktemp -d "${tmp_dir}/package-content.XXXXXX")
          find "${tar_content_dir}" -maxdepth 1 \
            -name '*.pkg.tar.xz' | \
            while read -r pkgfile; do
              if printf '%s\n' "${pkgfile}" | \
                grep -vq -- '-any\.pkg\.tar\.xz$'; then
                # we do not check "any" packages for linked libraries
                # (why do they have them in the first place?)
                mkdir "${package_content_dir}/${pkgfile##*/}"
                tar -C "${package_content_dir}/${pkgfile##*/}" -xJf "${pkgfile}" 2>/dev/null
                find "${package_content_dir}/${pkgfile##*/}" \
                  -name 'opt' -prune , \
                  -exec objdump -x '{}' \; 2>/dev/null | \
                  grep -w 'NEEDED' | \
                  awk '{print $2}' | \
                  sed '
                    /\.c32$/d
                    s,^.*/,,
                  '
                find "${package_content_dir:?}/${pkgfile##*/}" -xdev -exec chmod 777 '{}' \;
                rm -rf --one-file-system "${package_content_dir:?}/${pkgfile##*/}"
              fi | \
                sort -u > \
                "${pkgfile}.so.needs"
            done
          >&2 printf 'running namcap ...'
          if [ "${repository}" = 'multilib' ]; then
            x86_64_build_command='multilib-build'
          else
            x86_64_build_command='extra-x86_64-build'
          fi
          # this is a little hack: makepkg receives '--version', but namcap is run nevertheless
          # (and it only works with devtools32, because they are running namcap on *.pkg.tar.xz in the base directory, too)
          sudo "${x86_64_build_command}" -- -- --version > /dev/null 2>&1 || \
            sudo "${x86_64_build_command}" -c -- -- --version > /dev/null 2>&1 || \
            true
          >&2 printf ' ok.\n'
          >&2 printf 'smoothen namcap log ...'
          # now we generate diffs from the namcap.logs
          find . "${tar_content_dir}/" -maxdepth 1 -type f -name '*.pkg.tar.xz-namcap.log' -printf '%p\n' | \
            while read -r log; do
              smoothen_namcap_log "${log}"
            done
          find "${tar_content_dir}/" -maxdepth 1 -type f -name '*.pkg.tar.xz-namcap.log' -printf '%f\n' | \
            sed '
              s|\(^.*\)-i686\(\.pkg\.tar\.xz-namcap\.log\)$|\0 \1-x86_64\2|
              s|^.*-any\.pkg\.tar\.xz-namcap\.log$|\0 \0|
            ' | \
            while read -r log x86_64_log; do
              if [ -f "${x86_64_log}" ]; then
                diff -u "${x86_64_log}" "${tar_content_dir}/${log}" | \
                  sed '
                    1,3d
                    /^[^+-]/d
                  ' | \
                  sponge "${tar_content_dir}/${log}"
              else
                sed -i 's|^|*|' "${tar_content_dir}/${log}"
              fi
            done
          >&2 printf ' ok.\n'
          echo 'uploading' > "${tmp_dir}/.ping-build-master"
          if ${upload_to_build_master}; then
            find "${tar_content_dir}/" -maxdepth 1 \
              \( \
                -name '*.pkg.tar.xz-namcap.log' -o \
                -name '*.pkg.tar.xz.so.needs' -o \
                -name '*.pkg.tar.xz.so.provides' \
              \) \
              -execdir gzip '{}' \;
          else
            find "${tar_content_dir}/" -maxdepth 1 \
              -name '*.pkg.tar.xz-namcap.log' \
              -execdir grep -HF '' '{}' \;
          fi
          # shellcheck disable=SC2046
          tar -cf 'package.tar' -C "${tar_content_dir}" -- $(
            find "${tar_content_dir}/" -maxdepth 1 \
              \( \
                -name '*.pkg.tar.xz' -o \
                -name '*.pkg.tar.xz.sig' -o \
                -name '*.pkg.tar.xz-namcap.log.gz' -o \
                -name '*.pkg.tar.xz.so.needs.gz' -o \
                -name '*.pkg.tar.xz.so.provides.gz' \
              \) \
              -printf '%f\n'
            )
          while ${upload_to_build_master}; do
            err=0
            # shellcheck disable=SC2029
            ssh \
              -i "${master_build_server_identity}" \
              -p "${master_build_server_port}" \
              "${master_build_server_user}@${master_build_server}" \
              'return-assignment' "${package}" "${git_revision}" "${mod_git_revision}" "${repository}" "${sub_pkgrel}" \
              < 'package.tar' || \
              err=$?
            case ${err} in
              0)
                # upload successful
                break
              ;;
              1)
                >&2 echo '"return-assignment" was running already.'
                wait_some_time 15
              ;;
              2)
                >&2 echo 'I was too slow, the package is outdated. I will continue ...'
                break
              ;;
              3)
                >&2 echo "'return-assignment' reports a signature error."
                bail_out 1
              ;;
              4)
                >&2 echo "'return-assignment' reports too many or missing packages."
                bail_out 1
              ;;
              *)
                >&2 echo "unknown return code ${err} from 'return-assignment'"
                wait_some_time 60
            esac
          done
          success=true
          break
        fi
        echo 'failure' > "${tmp_dir}/.ping-build-master"
        >&2 printf ' failed.\n'
      done

      if ! ${success}; then
        for log in *'.build-log'; do
          if [ -f "${log}" ]; then
            if ${upload_to_build_master}; then
              gzip "${log}"
            else
              grep -HF '' "${log}"
            fi
          fi
        done
        if ${upload_to_build_master} && \
          tar -cf 'build-logs.gz.tar' \
          -- *'.build-log.gz'; then
          while true; do
            err=0
            # shellcheck disable=SC2029
            ssh \
              -i "${master_build_server_identity}" \
              -p "${master_build_server_port}" \
              "${master_build_server_user}@${master_build_server}" \
              'return-assignment' "${package}" "${git_revision}" "${mod_git_revision}" "${repository}" 'ERROR' \
              < 'build-logs.gz.tar' || \
              err=$?
            case ${err} in
              0)
                # upload successful
                break
              ;;
              1)
                >&2 echo '"return-assignment" was running already.'
                wait_some_time 15
              ;;
              2)
                >&2 echo 'I was too slow, the package is outdated. I will continue ...'
                break
              ;;
              *)
                >&2 echo "unknown return code ${err} from 'return-assignment'"
                wait_some_time 60
            esac
          done
        fi
        if ${exit_after_failure}; then
          >&2 echo 'Build failed, exiting now'
          bail_out 0
        fi
      fi

      # clean up tmp_dir
      cd "${base_dir}"
      recursively_umount_and_rm "${tmp_dir}"
      flock -u 9 || true
      trap - EXIT

      continue

    ;;

    1)

      >&2 echo 'get-assignment told me:'
      >&2 echo ' come back (shortly) later - I was running already'
      wait_some_time 15
      continue

    ;;

    2)

      >&2 echo 'get-assignment told me:'
      >&2 echo ' 2: come back later - there are still packages to be built,'
      >&2 echo ' but currently none has all its dependencies ready'
      wait_some_time 60
      continue

    ;;

    3)

      >&2 echo 'get-assignment told me:'
      >&2 echo ' 3: come back after the next run of get-package-updates - currently'
      >&2 echo ' there are no pending packages'
      exit 0

    ;;

    *)

      >&2 echo "ERROR: Unknown exit code ${err} from 'get-assignment'."
      wait_some_time 60
      continue

    ;;

  esac

done

>&2 echo 'Done.'