forked from digital-asset/daml
-
Notifications
You must be signed in to change notification settings - Fork 0
/
build.yml
590 lines (559 loc) · 22.4 KB
/
build.yml
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
# Copyright (c) 2021 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
jobs:
- job: fix_bazel_cache
timeoutInMinutes: 120
condition: eq(variables['System.PullRequest.IsFork'], 'False')
pool:
name: 'ubuntu_20_04'
demands: assignment -equals default
steps:
- checkout: self
- bash: ci/dev-env-install.sh
displayName: 'Build/Install the Developer Environment'
- template: bash-lib.yml
parameters:
var_name: bash-lib
- bash: |
set -euo pipefail
eval "$(dev-env/bin/dade assist)"
bazel build //ci/cron:cron
key=$(mktemp)
cleanup="rm -rf $key ~/.config/gcloud"
trap "$cleanup" EXIT
echo "$GCRED" > $key
gcloud auth activate-service-account --key-file=$key
export BOTO_CONFIG=/dev/null
# 90 minutes should provide enough overlap for an hourly
# cronjob.
./bazel-bin/ci/cron/cron bazel-cache --age 90 --delete
env:
GCRED: $(GOOGLE_APPLICATION_CREDENTIALS_CONTENT)
- template: tell-slack-failed.yml
- job: git_sha
pool:
name: 'ubuntu_20_04'
demands: assignment -equals default
steps:
- template: bash-lib.yml
parameters:
var_name: bash-lib
- bash: |
set -euo pipefail
source $(bash-lib)
if [ "$(Build.Reason)" == "PullRequest" ]; then
setvar branch "$(git rev-parse HEAD^2)"
setvar main "$(git rev-parse HEAD^1)"
setvar fork_point "$(git merge-base $(git rev-parse HEAD^1) $(git rev-parse HEAD^2))"
else
setvar branch "$(git rev-parse HEAD)"
setvar main "$(git rev-parse HEAD^1)"
setvar fork_point "$(git rev-parse HEAD^1)"
fi
name: out
- template: da-ghc-lib/compile.yml
parameters:
final_job_name: da_ghc_lib
- job: Linux
dependsOn:
- da_ghc_lib
- check_for_release
- git_sha
variables:
- name: release_sha
value: $[ dependencies.check_for_release.outputs['out.release_sha'] ]
- name: release_tag
value: $[ coalesce(dependencies.check_for_release.outputs['out.release_tag'], '0.0.0') ]
- name: trigger_sha
value: $[ dependencies.check_for_release.outputs['out.trigger_sha'] ]
- name: is_release
value: $[ dependencies.check_for_release.outputs['out.is_release'] ]
- template: job-variables.yml
timeoutInMinutes: 360
pool:
name: 'ubuntu_20_04'
demands: assignment -equals default
steps:
- template: report-start.yml
- checkout: self
- bash: |
set -euo pipefail
git checkout $(release_sha)
name: checkout_release
condition: and(succeeded(), eq(variables.is_release, 'true'))
- template: clean-up.yml
- template: build-unix.yml
parameters:
release_tag: $(release_tag)
name: 'linux'
is_release: variables.is_release
- template: upload-bazel-metrics.yml
- bash: |
set -euo pipefail
eval "$(./dev-env/bin/dade-assist)"
bazel build //release:release
./bazel-bin/release/release --release-dir "$(mktemp -d)"
condition: and(succeeded(), ne(variables['is_release'], 'true'))
- task: PublishBuildArtifacts@1
inputs:
pathtoPublish: 'bazel-bin/docs/html.tar.gz'
artifactName: 'Docs bundle'
- template: tell-slack-failed.yml
parameters:
trigger_sha: '$(trigger_sha)'
- template: report-end.yml
- job: Linux_scala_2_12
# We disable this for release builds. The actual release happens via the regular Linux builds
# and running tests on two scala versions doesn’t add any value if the tests already
# passed on the respective PRs that added the changes. The only difference here
# is the release version which should not affect things differently depending on the
# Scala version.
condition: and(succeeded(),
eq(dependencies.check_for_release.outputs['out.is_release'], 'false'))
dependsOn:
- da_ghc_lib
- check_for_release
- git_sha
variables:
- name: release_sha
value: $[ dependencies.check_for_release.outputs['out.release_sha'] ]
- name: release_tag
value: $[ coalesce(dependencies.check_for_release.outputs['out.release_tag'], '0.0.0') ]
- name: trigger_sha
value: $[ dependencies.check_for_release.outputs['out.trigger_sha'] ]
- name: is_release
value: $[ eq(dependencies.check_for_release.outputs['out.is_release'], 'true') ]
- template: job-variables.yml
timeoutInMinutes: 360
pool:
name: 'ubuntu_20_04'
demands: assignment -equals default
steps:
- template: report-start.yml
- checkout: self
- bash: |
set -euo pipefail
git checkout $(release_sha)
name: checkout_release
condition: and(succeeded(), eq(variables.is_release, 'true'))
- template: clean-up.yml
- template: build-unix.yml
parameters:
release_tag: $(release_tag)
name: 'linux-scala-2.12'
is_release: variables.is_release
scala_version: "2.12.13"
- template: upload-bazel-metrics.yml
- template: tell-slack-failed.yml
parameters:
trigger_sha: '$(trigger_sha)'
- template: report-end.yml
- job: macOS
dependsOn:
- da_ghc_lib
- check_for_release
- git_sha
timeoutInMinutes: 360
pool:
name: macOS-pool
demands: assignment -equals default
variables:
- name: release_sha
value: $[ dependencies.check_for_release.outputs['out.release_sha'] ]
- name: release_tag
value: $[ coalesce(dependencies.check_for_release.outputs['out.release_tag'], '0.0.0') ]
- name: trigger_sha
value: $[ dependencies.check_for_release.outputs['out.trigger_sha'] ]
- name: is_release
value: $[ dependencies.check_for_release.outputs['out.is_release'] ]
- template: job-variables.yml
steps:
- template: report-start.yml
- template: clear-shared-segments-macos.yml
- checkout: self
- bash: |
set -euo pipefail
git checkout $(release_sha)
name: checkout_release
condition: and(succeeded(), eq(variables.is_release, 'true'))
- template: clean-up.yml
- template: build-unix.yml
parameters:
release_tag: $(release_tag)
name: macos
is_release: variables.is_release
- template: upload-bazel-metrics.yml
- template: tell-slack-failed.yml
parameters:
trigger_sha: '$(trigger_sha)'
- template: report-end.yml
- template: patch_bazel_windows/compile.yml
parameters:
final_job_name: patch_bazel_windows
- job: Windows
dependsOn:
- da_ghc_lib
- check_for_release
- patch_bazel_windows
- git_sha
variables:
- name: release_sha
value: $[ dependencies.check_for_release.outputs['out.release_sha'] ]
- name: release_tag
value: $[ coalesce(dependencies.check_for_release.outputs['out.release_tag'], '0.0.0') ]
- name: trigger_sha
value: $[ dependencies.check_for_release.outputs['out.trigger_sha'] ]
- name: is_release
value: $[ dependencies.check_for_release.outputs['out.is_release'] ]
- name: skip_tests
value: $[ and(eq(variables.is_release, 'true'),
eq(variables['Build.SourceBranchName'], 'main')) ]
- template: job-variables.yml
timeoutInMinutes: 360
pool:
name: 'windows-pool'
demands: assignment -equals default
steps:
- template: report-start.yml
- checkout: self
- bash: |
set -euo pipefail
git checkout $(release_sha)
name: checkout_release
condition: and(succeeded(), eq(variables.is_release, 'true'))
- template: build-windows.yml
parameters:
release_tag: $(release_tag)
# Azure pipeline’s variable and parameter expansion is utter garbage.
# For whatever reason `env` values only seem to be able to use macro syntax
# and not runtime expression. is_release however is a runtime variable
# so template conditions won’t work. Therefore we define the variable here
# with a runtime expression, set the parameter to the (unexpanded) string "$(skip_tests)"
# and then splice that in via a template parameter.
skip_tests: $(skip_tests)
is_release: variables.is_release
- template: upload-bazel-metrics.yml
- task: PublishBuildArtifacts@1
condition: succeededOrFailed()
inputs:
pathtoPublish: '$(Build.StagingDirectory)/logs'
artifactName: 'Bazel Logs'
- template: tell-slack-failed.yml
parameters:
trigger_sha: '$(trigger_sha)'
- template: report-end.yml
- job: Linux_oracle
dependsOn:
- da_ghc_lib
timeoutInMinutes: 360
pool:
name: 'ubuntu_20_04'
demands: assignment -equals default
steps:
- template: report-start.yml
- checkout: self
- bash: ci/dev-env-install.sh
displayName: 'Build/Install the Developer Environment'
- template: clean-up.yml
- bash: |
source dev-env/lib/ensure-nix
ci/dev-env-push.py
displayName: 'Push Developer Environment build results'
condition: and(succeeded(), eq(variables['System.PullRequest.IsFork'], 'False'))
env:
# to upload to the Nix cache
GOOGLE_APPLICATION_CREDENTIALS_CONTENT: $(GOOGLE_APPLICATION_CREDENTIALS_CONTENT)
NIX_SECRET_KEY_CONTENT: $(NIX_SECRET_KEY_CONTENT)
- bash: ci/configure-bazel.sh
displayName: 'Configure Bazel'
env:
IS_FORK: $(System.PullRequest.IsFork)
# to upload to the bazel cache
GOOGLE_APPLICATION_CREDENTIALS_CONTENT: $(GOOGLE_APPLICATION_CREDENTIALS_CONTENT)
- bash: |
set -euo pipefail
eval "$(./dev-env/bin/dade-assist)"
docker login --username "$DOCKER_LOGIN" --password "$DOCKER_PASSWORD"
IMAGE=digitalasset/oracle:enterprise-19.3.0-preloaded-20210325-22-be14fb7
docker pull $IMAGE
# Cleanup stray containers that might still be running from
# another build that didn’t get shut down cleanly.
docker rm -f oracle || true
# Oracle does not like if you connect to it via localhost if it’s running in the container.
# Interestingly it works if you use the external IP of the host so the issue is
# not the host it is listening on (it claims for that to be 0.0.0.0).
# --network host is a cheap escape hatch for this.
docker run -d --rm --name oracle --network host -e ORACLE_PWD=$ORACLE_PWD $IMAGE
function cleanup() {
docker rm -f oracle
}
trap cleanup EXIT
testConnection() {
docker exec oracle bash -c 'sqlplus -L '"$ORACLE_USERNAME"'/'"$ORACLE_PWD"'@//localhost:'"$ORACLE_PORT"'/ORCLPDB1 <<< "select * from dba_users;"; exit $?' >/dev/null
}
until testConnection
do
echo "Could not connect to Oracle, trying again..."
sleep 1
done
# Actually run some tests
bazel test \
--config=oracle \
//ledger-service/http-json-oracle/... \
//triggers/service:test-oracle \
//ledger/participant-integration-api:participant-integration-api-tests-oracle \
//ledger/ledger-on-sql:conformance-test-oracle \
//ledger/ledger-on-sql:conformance-test-append-only-oracle \
//ledger/ledger-on-sql:conformance-test-append-only-pruning-oracle \
//ledger/ledger-on-sql:conformance-test-pruning-oracle \
//ledger/ledger-on-sql:conformance-test-append-only-multi-party-submission-oracle \
//ledger/ledger-on-sql:conformance-test-multi-party-submission-oracle
env:
DOCKER_LOGIN: $(DOCKER_LOGIN)
DOCKER_PASSWORD: $(DOCKER_PASSWORD)
displayName: 'Build'
condition: and(succeeded(), eq(variables['System.PullRequest.IsFork'], 'False'))
- task: PublishBuildArtifacts@1
condition: failed()
displayName: 'Publish the bazel test logs'
inputs:
pathtoPublish: 'bazel-testlogs/'
artifactName: 'Test logs Oracle'
- template: tell-slack-failed.yml
parameters:
trigger_sha: '$(trigger_sha)'
- template: report-end.yml
- job: compatibility_ts_libs
dependsOn:
- da_ghc_lib
- check_for_release
condition: and(succeeded(),
not(eq(dependencies.check_for_release.outputs['out.is_release'], 'true')))
timeoutInMinutes: 360
pool:
name: ubuntu_20_04
demands: assignment -equals default
steps:
- template: report-start.yml
- checkout: self
- template: clean-up.yml
- template: compatibility_ts_libs.yml
- template: tell-slack-failed.yml
- template: report-end.yml
- job: compatibility_linux
dependsOn:
- da_ghc_lib
- check_for_release
- compatibility_ts_libs
timeoutInMinutes: 360
pool:
name: ubuntu_20_04
demands: assignment -equals default
steps:
- template: report-start.yml
- checkout: self
- template: clean-up.yml
- template: compatibility.yml
parameters:
test_flags: '--quick'
- template: tell-slack-failed.yml
- template: report-end.yml
- job: check_for_release
dependsOn:
- git_sha
variables:
branch_sha: $[ dependencies.git_sha.outputs['out.branch'] ]
fork_sha: $[ dependencies.git_sha.outputs['out.fork_point'] ]
pool:
name: "ubuntu_20_04"
demands: assignment -equals default
steps:
- template: bash-lib.yml
parameters:
var_name: bash-lib
- bash: |
set -euo pipefail
eval "$(./dev-env/bin/dade-assist)"
source $(bash-lib)
./release.sh check
changes_release_files() {
changed="$(git diff-tree --no-commit-id --name-only -r $(fork_sha) $(branch_sha) | sort)"
[ "LATEST" = "$changed" ]
}
changes_one_line_in_latest() {
changed="$(git diff-tree --no-commit-id --numstat -r $(fork_sha) $(branch_sha) -- LATEST | awk '{print $1 "_" $2}')"
add_one="1_0"
change_one="1_1"
[[ "$add_one" == "$changed" || "$change_one" == "$changed" ]]
}
added_line() {
echo "$(git diff $(fork_sha) $(branch_sha) -- LATEST | tail -n+6 | grep '^\+' | cut -c2-)"
}
if changes_release_files; then
if changes_one_line_in_latest; then
setvar is_release true
setvar trigger_sha $(branch_sha)
setvar release_sha "$(added_line | awk '{print $1}')"
RELEASE_TAG="$(added_line | awk '{print $2}')"
setvar release_tag "$RELEASE_TAG"
else
echo "Release commit should only add one version."
exit 1
fi
else
RELEASE_TAG="0.0.0"
setvar is_release false
fi
# This is the last snapshot that does not support Scala 2.13.
CMP="$(semver compare "$RELEASE_TAG" '1.11.0-snapshot.20210212.6300.0.ad161d7f')"
if [[ $CMP == '1' || "$RELEASE_TAG" == '0.0.0' ]]; then
setvar scala_2_13 true
else
setvar scala_2_13 false
fi
name: out
- job: collect_build_data
condition: always()
dependsOn:
- Linux
- Linux_oracle
- Linux_scala_2_12
- macOS
- Windows
- release
- git_sha
- compatibility_linux
- check_for_release
pool:
name: "ubuntu_20_04"
demands: assignment -equals default
variables:
Linux.start: $[ dependencies.Linux.outputs['start.time'] ]
Linux.machine: $[ dependencies.Linux.outputs['start.machine'] ]
Linux.end: $[ dependencies.Linux.outputs['end.time'] ]
Linux.status: $[ dependencies.Linux.result ]
Linux_oracle.start: $[ dependencies.Linux_oracle.outputs['start.time'] ]
Linux_oracle.machine: $[ dependencies.Linux_oracle.outputs['start.machine'] ]
Linux_oracle.end: $[ dependencies.Linux_oracle.outputs['end.time'] ]
Linux_oracle.status: $[ dependencies.Linux_oracle.result ]
Linux_scala_2_12.start: $[ dependencies.Linux_scala_2_12.outputs['start.time'] ]
Linux_scala_2_12.machine: $[ dependencies.Linux_scala_2_12.outputs['start.machine'] ]
Linux_scala_2_12.end: $[ dependencies.Linux_scala_2_12.outputs['end.time'] ]
Linux_scala_2_12.status: $[ dependencies.Linux_scala_2_12.result ]
macOS.start: $[ dependencies.macOS.outputs['start.time'] ]
macOS.machine: $[ dependencies.macOS.outputs['start.machine'] ]
macOS.end: $[ dependencies.macOS.outputs['end.time'] ]
macOS.status: $[ dependencies.macOS.result ]
Windows.start: $[ dependencies.Windows.outputs['start.time'] ]
Windows.machine: $[ dependencies.Windows.outputs['start.machine'] ]
Windows.end: $[ dependencies.Windows.outputs['end.time'] ]
Windows.status: $[ dependencies.Windows.result ]
release.start: $[ dependencies.release.outputs['start.time'] ]
release.machine: $[ dependencies.release.outputs['start.machine'] ]
release.end: $[ dependencies.release.outputs['end.time'] ]
release.status: $[ dependencies.release.result ]
compatibility_linux.start: $[ dependencies.compatibility_linux.outputs['start.time'] ]
compatibility_linux.machine: $[ dependencies.compatibility_linux.outputs['start.machine'] ]
compatibility_linux.end: $[ dependencies.compatibility_linux.outputs['end.time'] ]
compatibility_linux.status: $[ dependencies.compatibility_linux.result ]
branch_sha: $[ dependencies.git_sha.outputs['out.branch'] ]
main_sha: $[ dependencies.git_sha.outputs['out.main'] ]
fork_sha: $[ dependencies.git_sha.outputs['out.fork_point'] ]
is_release: $[ dependencies.check_for_release.outputs['out.is_release'] ]
# Using expression syntax so we get an empty string if not set, rather
# than the raw $(VarName) string. Expression syntax works on the
# variables key, but not on the env one, so we need an extra indirection.
# Note: These Azure variables are only set for PR builds.
pr.num: $[ variables['System.PullRequest.PullRequestNumber'] ]
pr.branch: $[ variables['System.PullRequest.SourceBranch'] ]
steps:
- template: bash-lib.yml
parameters:
var_name: bash_lib
- bash: |
set -euo pipefail
eval "$(./dev-env/bin/dade-assist)"
source $(bash_lib)
REPORT=$(mktemp)
cat >$REPORT <<END
{"jobs": {"Linux": {"start": "$(Linux.start)",
"machine": "$(Linux.machine)",
"end": "$(Linux.end)",
"status": "$(Linux.status)"},
"Linux_oracle": {"start": "$(Linux_oracle.start)",
"machine": "$(Linux_oracle.machine)",
"end": "$(Linux_oracle.end)",
"status": "$(Linux_oracle.status)"},
"Linux_scala_2_12": {"start": "$(Linux_scala_2_12.start)",
"machine": "$(Linux_scala_2_12.machine)",
"end": "$(Linux_scala_2_12.end)",
"status": "$(Linux_scala_2_12.status)"},
"macOS": {"start": "$(macOS.start)",
"machine": "$(macOS.machine)",
"end": "$(macOS.end)",
"status": "$(macOS.status)"},
"Windows": {"start": "$(Windows.start)",
"machine": "$(Windows.machine)",
"end": "$(Windows.end)",
"status": "$(Windows.status)"},
"release": {"start": "$(release.start)",
"machine": "$(release.machine)",
"end": "$(release.end)",
"status": "$(release.status)"},
"compatibility_linux": {"start": "$(compatibility_linux.start)",
"machine": "$(compatibility_linux.machine)",
"end": "$(compatibility_linux.end)",
"status": "$(compatibility_linux.status)"}},
"id": "$(Build.BuildId)",
"url": "https://dev.azure.com/digitalasset/daml/_build/results?buildId=$(Build.BuildId)",
"name": "$(Build.DefinitionName)",
"version": "$(Build.DefinitionVersion)",
"queued_by": "$(Build.QueuedBy)",
"reason": "$(Build.Reason)",
"branch": "$(Build.SourceBranch)",
"merge_commit": "$(Build.SourceVersion)",
"branch_commit": "$(branch_sha)",
"main_commit": "$(main_sha)",
"fork_point_commit": "$(fork_sha)",
"commit_message": $(echo -n "$COMMIT_MSG" | jq -sR),
"is_fork": "$(System.PullRequest.IsFork)",
"pr": "$PR_NUM",
"pr_url": "https://github.com/digital-asset/daml/pull/$PR_NUM",
"pr_source_branch": "$PR_BRANCH",
"is_release": $(is_release)}
END
# Test above JSON is well formed
cat $REPORT | jq '.'
REPORT_GZ=$(mktemp)
cat $REPORT | gzip -9 > $REPORT_GZ
# Application credentials will not be set for forks. We give up on
# tracking those for now. "Not set" in Azure world means set to the
# expression Azure would otherwise substitute, i.e. the literal value
# of the string in the `env:` block below.
if [[ "${GCRED:1:${#GCRED}-1}" != '(GOOGLE_APPLICATION_CREDENTIALS_CONTENT)' ]]; then
gcs "$GCRED" cp "$REPORT_GZ" "gs://daml-data/builds/$(Build.BuildId)_$(date -u +%Y%m%d_%H%M%SZ).json.gz"
else
echo "Could not save build data: no credentials."
fi
# Linux, macOS and Windows are always required and should always
# succeed.
#
# release only run on releases and is skipped otherwise.
if [[ !("$(Linux.status)" == "Succeeded" || "$(Linux.status)" == "SucceededWithIssues")
|| "$(Linux_oracle.status)" != "Succeeded"
|| !("$(macOS.status)" == "Succeeded" || "$(macOS.status)" == "SucceededWithIssues")
|| "$(Windows.status)" != "Succeeded"
|| ("$(is_release)" == "false" && "$(compatibility_linux.status)" != "Succeeded")
|| ("$(is_release)" == "false" && "$(Linux_scala_2_12.status)" != "Succeeded")
|| "$(release.status)" == "Canceled" ]]; then
exit 1
fi
env:
GCRED: $(GOOGLE_APPLICATION_CREDENTIALS_CONTENT)
# Commit message is always set
COMMIT_MSG: $(Build.SourceVersionMessage)
# Because these variables are always set (in the variables block),
# hopefully these should be set as expected (i.e. either correct
# value or empty string, but not $(Azure.Variable.Name)).
PR_NUM: $(pr.num)
PR_BRANCH: $(pr.branch)