aboutsummaryrefslogtreecommitdiff
path: root/t/t5526-fetch-submodules.sh
blob: f3b0a8d30afcb472398bef8623a49ba6bac7dc24 (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
#!/bin/sh
# Copyright (c) 2010, Jens Lehmann

test_description='Recursive "git fetch" for submodules'

. ./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  master     -> origin/master" >> ../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  master     -> origin/master" >> ../expect.err
	)
}

test_expect_success setup '
	mkdir deepsubmodule &&
	(
		cd deepsubmodule &&
		git init &&
		echo deepsubcontent > deepsubfile &&
		git add deepsubfile &&
		git commit -m new deepsubfile
	) &&
	mkdir submodule &&
	(
		cd submodule &&
		git init &&
		echo subcontent > subfile &&
		git add subfile &&
		git submodule add "$pwd/deepsubmodule" subdir/deepsubmodule &&
		git commit -a -m new
	) &&
	git submodule add "$pwd/submodule" submodule &&
	git commit -am initial &&
	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_i18ncmp expect.err actual.err
'

test_expect_success "fetch --recurse-submodules -j2 has the same output behaviour" '
	add_upstream_commit &&
	(
		cd downstream &&
		GIT_TRACE=$(pwd)/../trace.out git fetch --recurse-submodules -j2 2>../actual.err
	) &&
	test_must_be_empty actual.out &&
	test_i18ncmp 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 -s actual.out &&
	! test -s 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 -s actual.out &&
	! test -s 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_i18ncmp 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 -s actual.out &&
	! test -s 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 -s actual.out &&
	! test -s 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_i18ncmp expect.err actual.err
'

test_expect_success "--quiet propagates to submodules" '
	(
		cd downstream &&
		git fetch --recurse-submodules --quiet >../actual.out 2>../actual.err
	) &&
	! test -s actual.out &&
	! test -s 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 -s actual.out &&
	! test -s 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_i18ncmp 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_i18ncmp 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_i18ncmp 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_i18ncmp 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 -s actual.out &&
	! test -s 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 -s actual.out &&
	! test -s 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  master     -> origin/master" >>expect.err.sub &&
	head -3 expect.err >> expect.err.sub &&
	(
		cd downstream &&
		git fetch >../actual.out 2>../actual.err
	) &&
	test_i18ncmp 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  master     -> origin/master" >> expect.err.file &&
	(
		cd downstream &&
		git fetch >../actual.out 2>../actual.err
	) &&
	! test -s actual.out &&
	test_i18ncmp 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  master     -> origin/master" >> 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_i18ncmp 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  master     -> origin/master" >> ../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  master     -> origin/master" >> 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_i18ncmp 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  master     -> origin/master" >> ../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 -s actual.out &&
	! test -s 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  master     -> origin/master" >>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_i18ncmp 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  master     -> origin/master" >> expect.err.file &&
	(
		cd downstream &&
		git fetch --recurse-submodules=on-demand >../actual.out 2>../actual.err
	) &&
	! test -s actual.out &&
	test_i18ncmp 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  master     -> origin/master" >>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_i18ncmp 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  master     -> origin/master" >>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_i18ncmp 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  master     -> origin/master" >> expect.err &&
	(
		cd downstream &&
		git fetch >../actual.out 2>../actual.err
	) &&
	! test -s actual.out &&
	test_i18ncmp expect.err actual.err
'

test_expect_success 'fetching submodules respects parallel settings' '
	git config fetch.recurseSubmodules true &&
	(
		cd downstream &&
		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_done