git@vger.kernel.org list mirror (unofficial, one of many)
 help / color / mirror / code / Atom feed
blob ed11569d8d7ec605198773351e75baeaa232cb1a 24827 bytes (raw)
name: t/t5526-fetch-submodules.sh 	 # note: path name is non-authoritative(*)

  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
 
#!/bin/sh
# Copyright (c) 2010, Jens Lehmann

test_description='Recursive "git fetch" for submodules'

GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

. ./test-lib.sh

pwd=$(pwd)

add_upstream_commit() {
	(
		cd submodule &&
		head1=$(git rev-parse --short HEAD) &&
		echo new >> subfile &&
		test_tick &&
		git add subfile &&
		git commit -m new subfile &&
		head2=$(git rev-parse --short HEAD) &&
		echo "Fetching submodule submodule" > ../expect.err &&
		echo "From $pwd/submodule" >> ../expect.err &&
		echo "   $head1..$head2  sub        -> origin/sub" >> ../expect.err
	) &&
	(
		cd deepsubmodule &&
		head1=$(git rev-parse --short HEAD) &&
		echo new >> deepsubfile &&
		test_tick &&
		git add deepsubfile &&
		git commit -m new deepsubfile &&
		head2=$(git rev-parse --short HEAD) &&
		echo "Fetching submodule submodule/subdir/deepsubmodule" >> ../expect.err
		echo "From $pwd/deepsubmodule" >> ../expect.err &&
		echo "   $head1..$head2  deep       -> origin/deep" >> ../expect.err
	)
}

test_expect_success setup '
	mkdir deepsubmodule &&
	(
		cd deepsubmodule &&
		git init &&
		echo deepsubcontent > deepsubfile &&
		git add deepsubfile &&
		git commit -m new deepsubfile &&
		git branch -M deep
	) &&
	mkdir submodule &&
	(
		cd submodule &&
		git init &&
		echo subcontent > subfile &&
		git add subfile &&
		git submodule add "$pwd/deepsubmodule" subdir/deepsubmodule &&
		git commit -a -m new &&
		git branch -M sub
	) &&
	git submodule add "$pwd/submodule" submodule &&
	git commit -am initial &&
	git branch -M super &&
	git clone . downstream &&
	(
		cd downstream &&
		git submodule update --init --recursive
	)
'

test_expect_success "fetch --recurse-submodules recurses into submodules" '
	add_upstream_commit &&
	(
		cd downstream &&
		git fetch --recurse-submodules >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err
'

test_expect_success "submodule.recurse option triggers recursive fetch" '
	add_upstream_commit &&
	(
		cd downstream &&
		git -c submodule.recurse fetch >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err
'

test_expect_success "fetch --recurse-submodules -j2 has the same output behaviour" '
	add_upstream_commit &&
	(
		cd downstream &&
		GIT_TRACE="$TRASH_DIRECTORY/trace.out" git fetch --recurse-submodules -j2 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err &&
	grep "2 tasks" trace.out
'

test_expect_success "fetch alone only fetches superproject" '
	add_upstream_commit &&
	(
		cd downstream &&
		git fetch >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_must_be_empty actual.err
'

test_expect_success "fetch --no-recurse-submodules only fetches superproject" '
	(
		cd downstream &&
		git fetch --no-recurse-submodules >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_must_be_empty actual.err
'

test_expect_success "using fetchRecurseSubmodules=true in .gitmodules recurses into submodules" '
	(
		cd downstream &&
		git config -f .gitmodules submodule.submodule.fetchRecurseSubmodules true &&
		git fetch >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err
'

test_expect_success "--no-recurse-submodules overrides .gitmodules config" '
	add_upstream_commit &&
	(
		cd downstream &&
		git fetch --no-recurse-submodules >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_must_be_empty actual.err
'

test_expect_success "using fetchRecurseSubmodules=false in .git/config overrides setting in .gitmodules" '
	(
		cd downstream &&
		git config submodule.submodule.fetchRecurseSubmodules false &&
		git fetch >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_must_be_empty actual.err
'

test_expect_success "--recurse-submodules overrides fetchRecurseSubmodules setting from .git/config" '
	(
		cd downstream &&
		git fetch --recurse-submodules >../actual.out 2>../actual.err &&
		git config --unset -f .gitmodules submodule.submodule.fetchRecurseSubmodules &&
		git config --unset submodule.submodule.fetchRecurseSubmodules
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err
'

test_expect_success "--quiet propagates to submodules" '
	(
		cd downstream &&
		git fetch --recurse-submodules --quiet >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_must_be_empty actual.err
'

test_expect_success "--quiet propagates to parallel submodules" '
	(
		cd downstream &&
		git fetch --recurse-submodules -j 2 --quiet  >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_must_be_empty actual.err
'

test_expect_success "--dry-run propagates to submodules" '
	add_upstream_commit &&
	(
		cd downstream &&
		git fetch --recurse-submodules --dry-run >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err
'

test_expect_success "Without --dry-run propagates to submodules" '
	(
		cd downstream &&
		git fetch --recurse-submodules >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err
'

test_expect_success "recurseSubmodules=true propagates into submodules" '
	add_upstream_commit &&
	(
		cd downstream &&
		git config fetch.recurseSubmodules true &&
		git fetch >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err
'

test_expect_success "--recurse-submodules overrides config in submodule" '
	add_upstream_commit &&
	(
		cd downstream &&
		(
			cd submodule &&
			git config fetch.recurseSubmodules false
		) &&
		git fetch --recurse-submodules >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err
'

test_expect_success "--no-recurse-submodules overrides config setting" '
	add_upstream_commit &&
	(
		cd downstream &&
		git config fetch.recurseSubmodules true &&
		git fetch --no-recurse-submodules >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_must_be_empty actual.err
'

test_expect_success "Recursion doesn't happen when no new commits are fetched in the superproject" '
	(
		cd downstream &&
		(
			cd submodule &&
			git config --unset fetch.recurseSubmodules
		) &&
		git config --unset fetch.recurseSubmodules &&
		git fetch >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_must_be_empty actual.err
'

test_expect_success "Recursion stops when no new submodule commits are fetched" '
	head1=$(git rev-parse --short HEAD) &&
	git add submodule &&
	git commit -m "new submodule" &&
	head2=$(git rev-parse --short HEAD) &&
	echo "From $pwd/." > expect.err.sub &&
	echo "   $head1..$head2  super      -> origin/super" >>expect.err.sub &&
	head -3 expect.err >> expect.err.sub &&
	(
		cd downstream &&
		git fetch >../actual.out 2>../actual.err
	) &&
	test_cmp expect.err.sub actual.err &&
	test_must_be_empty actual.out
'

test_expect_success "Recursion doesn't happen when new superproject commits don't change any submodules" '
	add_upstream_commit &&
	head1=$(git rev-parse --short HEAD) &&
	echo a > file &&
	git add file &&
	git commit -m "new file" &&
	head2=$(git rev-parse --short HEAD) &&
	echo "From $pwd/." > expect.err.file &&
	echo "   $head1..$head2  super      -> origin/super" >> expect.err.file &&
	(
		cd downstream &&
		git fetch >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err.file actual.err
'

test_expect_success "Recursion picks up config in submodule" '
	(
		cd downstream &&
		git fetch --recurse-submodules &&
		(
			cd submodule &&
			git config fetch.recurseSubmodules true
		)
	) &&
	add_upstream_commit &&
	head1=$(git rev-parse --short HEAD) &&
	git add submodule &&
	git commit -m "new submodule" &&
	head2=$(git rev-parse --short HEAD) &&
	echo "From $pwd/." > expect.err.sub &&
	echo "   $head1..$head2  super      -> origin/super" >> expect.err.sub &&
	cat expect.err >> expect.err.sub &&
	(
		cd downstream &&
		git fetch >../actual.out 2>../actual.err &&
		(
			cd submodule &&
			git config --unset fetch.recurseSubmodules
		)
	) &&
	test_cmp expect.err.sub actual.err &&
	test_must_be_empty actual.out
'

test_expect_success "Recursion picks up all submodules when necessary" '
	add_upstream_commit &&
	(
		cd submodule &&
		(
			cd subdir/deepsubmodule &&
			git fetch &&
			git checkout -q FETCH_HEAD
		) &&
		head1=$(git rev-parse --short HEAD^) &&
		git add subdir/deepsubmodule &&
		git commit -m "new deepsubmodule" &&
		head2=$(git rev-parse --short HEAD) &&
		echo "Fetching submodule submodule" > ../expect.err.sub &&
		echo "From $pwd/submodule" >> ../expect.err.sub &&
		echo "   $head1..$head2  sub        -> origin/sub" >> ../expect.err.sub
	) &&
	head1=$(git rev-parse --short HEAD) &&
	git add submodule &&
	git commit -m "new submodule" &&
	head2=$(git rev-parse --short HEAD) &&
	echo "From $pwd/." > expect.err.2 &&
	echo "   $head1..$head2  super      -> origin/super" >> expect.err.2 &&
	cat expect.err.sub >> expect.err.2 &&
	tail -3 expect.err >> expect.err.2 &&
	(
		cd downstream &&
		git fetch >../actual.out 2>../actual.err
	) &&
	test_cmp expect.err.2 actual.err &&
	test_must_be_empty actual.out
'

test_expect_success "'--recurse-submodules=on-demand' doesn't recurse when no new commits are fetched in the superproject (and ignores config)" '
	add_upstream_commit &&
	(
		cd submodule &&
		(
			cd subdir/deepsubmodule &&
			git fetch &&
			git checkout -q FETCH_HEAD
		) &&
		head1=$(git rev-parse --short HEAD^) &&
		git add subdir/deepsubmodule &&
		git commit -m "new deepsubmodule" &&
		head2=$(git rev-parse --short HEAD) &&
		echo Fetching submodule submodule > ../expect.err.sub &&
		echo "From $pwd/submodule" >> ../expect.err.sub &&
		echo "   $head1..$head2  sub        -> origin/sub" >> ../expect.err.sub
	) &&
	(
		cd downstream &&
		git config fetch.recurseSubmodules true &&
		git fetch --recurse-submodules=on-demand >../actual.out 2>../actual.err &&
		git config --unset fetch.recurseSubmodules
	) &&
	test_must_be_empty actual.out &&
	test_must_be_empty actual.err
'

test_expect_success "'--recurse-submodules=on-demand' recurses as deep as necessary (and ignores config)" '
	head1=$(git rev-parse --short HEAD) &&
	git add submodule &&
	git commit -m "new submodule" &&
	head2=$(git rev-parse --short HEAD) &&
	tail -3 expect.err > expect.err.deepsub &&
	echo "From $pwd/." > expect.err &&
	echo "   $head1..$head2  super      -> origin/super" >>expect.err &&
	cat expect.err.sub >> expect.err &&
	cat expect.err.deepsub >> expect.err &&
	(
		cd downstream &&
		git config fetch.recurseSubmodules false &&
		(
			cd submodule &&
			git config -f .gitmodules submodule.subdir/deepsubmodule.fetchRecursive false
		) &&
		git fetch --recurse-submodules=on-demand >../actual.out 2>../actual.err &&
		git config --unset fetch.recurseSubmodules &&
		(
			cd submodule &&
			git config --unset -f .gitmodules submodule.subdir/deepsubmodule.fetchRecursive
		)
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err
'

test_expect_success "'--recurse-submodules=on-demand' stops when no new submodule commits are found in the superproject (and ignores config)" '
	add_upstream_commit &&
	head1=$(git rev-parse --short HEAD) &&
	echo a >> file &&
	git add file &&
	git commit -m "new file" &&
	head2=$(git rev-parse --short HEAD) &&
	echo "From $pwd/." > expect.err.file &&
	echo "   $head1..$head2  super      -> origin/super" >> expect.err.file &&
	(
		cd downstream &&
		git fetch --recurse-submodules=on-demand >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err.file actual.err
'

test_expect_success "'fetch.recurseSubmodules=on-demand' overrides global config" '
	(
		cd downstream &&
		git fetch --recurse-submodules
	) &&
	add_upstream_commit &&
	git config --global fetch.recurseSubmodules false &&
	head1=$(git rev-parse --short HEAD) &&
	git add submodule &&
	git commit -m "new submodule" &&
	head2=$(git rev-parse --short HEAD) &&
	echo "From $pwd/." > expect.err.2 &&
	echo "   $head1..$head2  super      -> origin/super" >>expect.err.2 &&
	head -3 expect.err >> expect.err.2 &&
	(
		cd downstream &&
		git config fetch.recurseSubmodules on-demand &&
		git fetch >../actual.out 2>../actual.err
	) &&
	git config --global --unset fetch.recurseSubmodules &&
	(
		cd downstream &&
		git config --unset fetch.recurseSubmodules
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err.2 actual.err
'

test_expect_success "'submodule.<sub>.fetchRecurseSubmodules=on-demand' overrides fetch.recurseSubmodules" '
	(
		cd downstream &&
		git fetch --recurse-submodules
	) &&
	add_upstream_commit &&
	git config fetch.recurseSubmodules false &&
	head1=$(git rev-parse --short HEAD) &&
	git add submodule &&
	git commit -m "new submodule" &&
	head2=$(git rev-parse --short HEAD) &&
	echo "From $pwd/." > expect.err.2 &&
	echo "   $head1..$head2  super      -> origin/super" >>expect.err.2 &&
	head -3 expect.err >> expect.err.2 &&
	(
		cd downstream &&
		git config submodule.submodule.fetchRecurseSubmodules on-demand &&
		git fetch >../actual.out 2>../actual.err
	) &&
	git config --unset fetch.recurseSubmodules &&
	(
		cd downstream &&
		git config --unset submodule.submodule.fetchRecurseSubmodules
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err.2 actual.err
'

test_expect_success "don't fetch submodule when newly recorded commits are already present" '
	(
		cd submodule &&
		git checkout -q HEAD^^
	) &&
	head1=$(git rev-parse --short HEAD) &&
	git add submodule &&
	git commit -m "submodule rewound" &&
	head2=$(git rev-parse --short HEAD) &&
	echo "From $pwd/." > expect.err &&
	echo "   $head1..$head2  super      -> origin/super" >> expect.err &&
	(
		cd downstream &&
		git fetch >../actual.out 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err actual.err &&
	(
		cd submodule &&
		git checkout -q sub
	)
'

test_expect_success "'fetch.recurseSubmodules=on-demand' works also without .gitmodules entry" '
	(
		cd downstream &&
		git fetch --recurse-submodules
	) &&
	add_upstream_commit &&
	head1=$(git rev-parse --short HEAD) &&
	git add submodule &&
	git rm .gitmodules &&
	git commit -m "new submodule without .gitmodules" &&
	head2=$(git rev-parse --short HEAD) &&
	echo "From $pwd/." >expect.err.2 &&
	echo "   $head1..$head2  super      -> origin/super" >>expect.err.2 &&
	head -3 expect.err >>expect.err.2 &&
	(
		cd downstream &&
		rm .gitmodules &&
		git config fetch.recurseSubmodules on-demand &&
		# fake submodule configuration to avoid skipping submodule handling
		git config -f .gitmodules submodule.fake.path fake &&
		git config -f .gitmodules submodule.fake.url fakeurl &&
		git add .gitmodules &&
		git config --unset submodule.submodule.url &&
		git fetch >../actual.out 2>../actual.err &&
		# cleanup
		git config --unset fetch.recurseSubmodules &&
		git reset --hard
	) &&
	test_must_be_empty actual.out &&
	test_cmp expect.err.2 actual.err &&
	git checkout HEAD^ -- .gitmodules &&
	git add .gitmodules &&
	git commit -m "new submodule restored .gitmodules"
'

test_expect_success 'fetching submodules respects parallel settings' '
	git config fetch.recurseSubmodules true &&
	(
		cd downstream &&
		GIT_TRACE=$(pwd)/trace.out git fetch &&
		grep "1 tasks" trace.out &&
		GIT_TRACE=$(pwd)/trace.out git fetch --jobs 7 &&
		grep "7 tasks" trace.out &&
		git config submodule.fetchJobs 8 &&
		GIT_TRACE=$(pwd)/trace.out git fetch &&
		grep "8 tasks" trace.out &&
		GIT_TRACE=$(pwd)/trace.out git fetch --jobs 9 &&
		grep "9 tasks" trace.out
	)
'

test_expect_success 'fetching submodule into a broken repository' '
	# Prepare src and src/sub nested in it
	git init src &&
	(
		cd src &&
		git init sub &&
		git -C sub commit --allow-empty -m "initial in sub" &&
		git submodule add -- ./sub sub &&
		git commit -m "initial in top"
	) &&

	# Clone the old-fashoned way
	git clone src dst &&
	git -C dst clone ../src/sub sub &&

	# Make sure that old-fashoned layout is still supported
	git -C dst status &&

	# "diff" would find no change
	git -C dst diff --exit-code &&

	# Recursive-fetch works fine
	git -C dst fetch --recurse-submodules &&

	# Break the receiving submodule
	rm -f dst/sub/.git/HEAD &&

	# NOTE: without the fix the following tests will recurse forever!
	# They should terminate with an error.

	test_must_fail git -C dst status &&
	test_must_fail git -C dst diff &&
	test_must_fail git -C dst fetch --recurse-submodules
'

test_expect_success "fetch new commits when submodule got renamed" '
	git clone . downstream_rename &&
	(
		cd downstream_rename &&
		git submodule update --init --recursive &&
		git checkout -b rename &&
		git mv submodule submodule_renamed &&
		(
			cd submodule_renamed &&
			git checkout -b rename_sub &&
			echo a >a &&
			git add a &&
			git commit -ma &&
			git push origin rename_sub &&
			git rev-parse HEAD >../../expect
		) &&
		git add submodule_renamed &&
		git commit -m "update renamed submodule" &&
		git push origin rename
	) &&
	(
		cd downstream &&
		git fetch --recurse-submodules=on-demand &&
		(
			cd submodule &&
			git rev-parse origin/rename_sub >../../actual
		)
	) &&
	test_cmp expect actual
'

test_expect_success "fetch new submodule commits on-demand outside standard refspec" '
	# add a second submodule and ensure it is around in downstream first
	git clone submodule sub1 &&
	git submodule add ./sub1 &&
	git commit -m "adding a second submodule" &&
	git -C downstream pull &&
	git -C downstream submodule update --init --recursive &&

	git checkout --detach &&

	C=$(git -C submodule commit-tree -m "new change outside refs/heads" HEAD^{tree}) &&
	git -C submodule update-ref refs/changes/1 $C &&
	git update-index --cacheinfo 160000 $C submodule &&
	test_tick &&

	D=$(git -C sub1 commit-tree -m "new change outside refs/heads" HEAD^{tree}) &&
	git -C sub1 update-ref refs/changes/2 $D &&
	git update-index --cacheinfo 160000 $D sub1 &&

	git commit -m "updated submodules outside of refs/heads" &&
	E=$(git rev-parse HEAD) &&
	git update-ref refs/changes/3 $E &&
	(
		cd downstream &&
		git fetch --recurse-submodules origin refs/changes/3:refs/heads/my_branch &&
		git -C submodule cat-file -t $C &&
		git -C sub1 cat-file -t $D &&
		git checkout --recurse-submodules FETCH_HEAD
	)
'

test_expect_success 'fetch new submodule commit on-demand in FETCH_HEAD' '
	# depends on the previous test for setup

	C=$(git -C submodule commit-tree -m "another change outside refs/heads" HEAD^{tree}) &&
	git -C submodule update-ref refs/changes/4 $C &&
	git update-index --cacheinfo 160000 $C submodule &&
	test_tick &&

	D=$(git -C sub1 commit-tree -m "another change outside refs/heads" HEAD^{tree}) &&
	git -C sub1 update-ref refs/changes/5 $D &&
	git update-index --cacheinfo 160000 $D sub1 &&

	git commit -m "updated submodules outside of refs/heads" &&
	E=$(git rev-parse HEAD) &&
	git update-ref refs/changes/6 $E &&
	(
		cd downstream &&
		git fetch --recurse-submodules origin refs/changes/6 &&
		git -C submodule cat-file -t $C &&
		git -C sub1 cat-file -t $D &&
		git checkout --recurse-submodules FETCH_HEAD
	)
'

test_expect_success 'fetch new submodule commits on-demand without .gitmodules entry' '
	# depends on the previous test for setup

	git config -f .gitmodules --remove-section submodule.sub1 &&
	git add .gitmodules &&
	git commit -m "delete gitmodules file" &&
	git checkout -B super &&
	git -C downstream fetch &&
	git -C downstream checkout origin/super &&

	C=$(git -C submodule commit-tree -m "yet another change outside refs/heads" HEAD^{tree}) &&
	git -C submodule update-ref refs/changes/7 $C &&
	git update-index --cacheinfo 160000 $C submodule &&
	test_tick &&

	D=$(git -C sub1 commit-tree -m "yet another change outside refs/heads" HEAD^{tree}) &&
	git -C sub1 update-ref refs/changes/8 $D &&
	git update-index --cacheinfo 160000 $D sub1 &&

	git commit -m "updated submodules outside of refs/heads" &&
	E=$(git rev-parse HEAD) &&
	git update-ref refs/changes/9 $E &&
	(
		cd downstream &&
		git fetch --recurse-submodules origin refs/changes/9 &&
		git -C submodule cat-file -t $C &&
		git -C sub1 cat-file -t $D &&
		git checkout --recurse-submodules FETCH_HEAD
	)
'

test_expect_success 'fetch new submodule commit intermittently referenced by superproject' '
	# depends on the previous test for setup

	D=$(git -C sub1 commit-tree -m "change 10 outside refs/heads" HEAD^{tree}) &&
	E=$(git -C sub1 commit-tree -m "change 11 outside refs/heads" HEAD^{tree}) &&
	F=$(git -C sub1 commit-tree -m "change 12 outside refs/heads" HEAD^{tree}) &&

	git -C sub1 update-ref refs/changes/10 $D &&
	git update-index --cacheinfo 160000 $D sub1 &&
	git commit -m "updated submodules outside of refs/heads" &&

	git -C sub1 update-ref refs/changes/11 $E &&
	git update-index --cacheinfo 160000 $E sub1 &&
	git commit -m "updated submodules outside of refs/heads" &&

	git -C sub1 update-ref refs/changes/12 $F &&
	git update-index --cacheinfo 160000 $F sub1 &&
	git commit -m "updated submodules outside of refs/heads" &&

	G=$(git rev-parse HEAD) &&
	git update-ref refs/changes/13 $G &&
	(
		cd downstream &&
		git fetch --recurse-submodules origin refs/changes/13 &&

		git -C sub1 cat-file -t $D &&
		git -C sub1 cat-file -t $E &&
		git -C sub1 cat-file -t $F
	)
'

add_commit_push () {
	dir="$1" &&
	msg="$2" &&
	shift 2 &&
	git -C "$dir" add "$@" &&
	git -C "$dir" commit -a -m "$msg" &&
	git -C "$dir" push
}

compare_refs_in_dir () {
	fail= &&
	if test "x$1" = 'x!'
	then
		fail='!' &&
		shift
	fi &&
	git -C "$1" rev-parse --verify "$2" >expect &&
	git -C "$3" rev-parse --verify "$4" >actual &&
	eval $fail test_cmp expect actual
}


test_expect_success 'setup nested submodule fetch test' '
	# does not depend on any previous test setups

	for repo in outer middle inner
	do
		git init --bare $repo &&
		git clone $repo ${repo}_content &&
		echo "$repo" >"${repo}_content/file" &&
		add_commit_push ${repo}_content "initial" file ||
		return 1
	done &&

	git clone outer A &&
	git -C A submodule add "$pwd/middle" &&
	git -C A/middle/ submodule add "$pwd/inner" &&
	add_commit_push A/middle/ "adding inner sub" .gitmodules inner &&
	add_commit_push A/ "adding middle sub" .gitmodules middle &&

	git clone outer B &&
	git -C B/ submodule update --init middle &&

	compare_refs_in_dir A HEAD B HEAD &&
	compare_refs_in_dir A/middle HEAD B/middle HEAD &&
	test_path_is_file B/file &&
	test_path_is_file B/middle/file &&
	test_path_is_missing B/middle/inner/file &&

	echo "change on inner repo of A" >"A/middle/inner/file" &&
	add_commit_push A/middle/inner "change on inner" file &&
	add_commit_push A/middle "change on inner" inner &&
	add_commit_push A "change on inner" middle
'

test_expect_success 'fetching a superproject containing an uninitialized sub/sub project' '
	# depends on previous test for setup

	git -C B/ fetch &&
	compare_refs_in_dir A origin/HEAD B origin/HEAD
'

fetch_with_recursion_abort () {
	# In a regression the following git call will run into infinite recursion.
	# To handle that, we connect the sed command to the git call by a pipe
	# so that sed can kill the infinite recursion when detected.
	# The recursion creates git output like:
	# Fetching submodule sub
	# Fetching submodule sub/sub              <-- [1]
	# Fetching submodule sub/sub/sub
	# ...
	# [1] sed will stop reading and cause git to eventually stop and die

	git -C "$1" fetch --recurse-submodules 2>&1 |
		sed "/Fetching submodule $2[^$]/q" >out &&
	! grep "Fetching submodule $2[^$]" out
}

test_expect_success 'setup recursive fetch with uninit submodule' '
	# does not depend on any previous test setups

	test_create_repo super &&
	test_commit -C super initial &&
	test_create_repo sub &&
	test_commit -C sub initial &&
	git -C sub rev-parse HEAD >expect &&

	git -C super submodule add ../sub &&
	git -C super commit -m "add sub" &&

	git clone super superclone &&
	git -C superclone submodule status >out &&
	sed -e "s/^-//" -e "s/ sub.*$//" out >actual &&
	test_cmp expect actual
'

test_expect_success 'recursive fetch with uninit submodule' '
	# depends on previous test for setup

	fetch_with_recursion_abort superclone sub &&
	git -C superclone submodule status >out &&
	sed -e "s/^-//" -e "s/ sub$//" out >actual &&
	test_cmp expect actual
'

test_expect_success 'recursive fetch after deinit a submodule' '
	# depends on previous test for setup

	git -C superclone submodule update --init sub &&
	git -C superclone submodule deinit -f sub &&

	fetch_with_recursion_abort superclone sub &&
	git -C superclone submodule status >out &&
	sed -e "s/^-//" -e "s/ sub$//" out >actual &&
	test_cmp expect actual
'

test_done

debug log:

solving ed11569d8d ...
found ed11569d8d in https://80x24.org/mirrors/git.git

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).