Merge branch 'jt/cache-tree-avoid-lazy-fetch-during-merge'
[git/git.git] / t / t0410-partial-clone.sh
1 #!/bin/sh
2
3 test_description='partial clone'
4
5 . ./test-lib.sh
6
7 delete_object () {
8 rm $1/.git/objects/$(echo $2 | sed -e 's|^..|&/|')
9 }
10
11 pack_as_from_promisor () {
12 HASH=$(git -C repo pack-objects .git/objects/pack/pack) &&
13 >repo/.git/objects/pack/pack-$HASH.promisor &&
14 echo $HASH
15 }
16
17 promise_and_delete () {
18 HASH=$(git -C repo rev-parse "$1") &&
19 git -C repo tag -a -m message my_annotated_tag "$HASH" &&
20 git -C repo rev-parse my_annotated_tag | pack_as_from_promisor &&
21 # tag -d prints a message to stdout, so redirect it
22 git -C repo tag -d my_annotated_tag >/dev/null &&
23 delete_object repo "$HASH"
24 }
25
26 test_expect_success 'extensions.partialclone without filter' '
27 test_create_repo server &&
28 git clone --filter="blob:none" "file://$(pwd)/server" client &&
29 git -C client config --unset remote.origin.partialclonefilter &&
30 git -C client fetch origin
31 '
32
33 test_expect_success 'missing reflog object, but promised by a commit, passes fsck' '
34 rm -rf repo &&
35 test_create_repo repo &&
36 test_commit -C repo my_commit &&
37
38 A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
39 C=$(git -C repo commit-tree -m c -p $A HEAD^{tree}) &&
40
41 # Reference $A only from reflog, and delete it
42 git -C repo branch my_branch "$A" &&
43 git -C repo branch -f my_branch my_commit &&
44 delete_object repo "$A" &&
45
46 # State that we got $C, which refers to $A, from promisor
47 printf "$C\n" | pack_as_from_promisor &&
48
49 # Normally, it fails
50 test_must_fail git -C repo fsck &&
51
52 # But with the extension, it succeeds
53 git -C repo config core.repositoryformatversion 1 &&
54 git -C repo config extensions.partialclone "arbitrary string" &&
55 git -C repo fsck
56 '
57
58 test_expect_success 'missing reflog object, but promised by a tag, passes fsck' '
59 rm -rf repo &&
60 test_create_repo repo &&
61 test_commit -C repo my_commit &&
62
63 A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
64 git -C repo tag -a -m d my_tag_name $A &&
65 T=$(git -C repo rev-parse my_tag_name) &&
66 git -C repo tag -d my_tag_name &&
67
68 # Reference $A only from reflog, and delete it
69 git -C repo branch my_branch "$A" &&
70 git -C repo branch -f my_branch my_commit &&
71 delete_object repo "$A" &&
72
73 # State that we got $T, which refers to $A, from promisor
74 printf "$T\n" | pack_as_from_promisor &&
75
76 git -C repo config core.repositoryformatversion 1 &&
77 git -C repo config extensions.partialclone "arbitrary string" &&
78 git -C repo fsck
79 '
80
81 test_expect_success 'missing reflog object alone fails fsck, even with extension set' '
82 rm -rf repo &&
83 test_create_repo repo &&
84 test_commit -C repo my_commit &&
85
86 A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
87 B=$(git -C repo commit-tree -m b HEAD^{tree}) &&
88
89 # Reference $A only from reflog, and delete it
90 git -C repo branch my_branch "$A" &&
91 git -C repo branch -f my_branch my_commit &&
92 delete_object repo "$A" &&
93
94 git -C repo config core.repositoryformatversion 1 &&
95 git -C repo config extensions.partialclone "arbitrary string" &&
96 test_must_fail git -C repo fsck
97 '
98
99 test_expect_success 'missing ref object, but promised, passes fsck' '
100 rm -rf repo &&
101 test_create_repo repo &&
102 test_commit -C repo my_commit &&
103
104 A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
105
106 # Reference $A only from ref
107 git -C repo branch my_branch "$A" &&
108 promise_and_delete "$A" &&
109
110 git -C repo config core.repositoryformatversion 1 &&
111 git -C repo config extensions.partialclone "arbitrary string" &&
112 git -C repo fsck
113 '
114
115 test_expect_success 'missing object, but promised, passes fsck' '
116 rm -rf repo &&
117 test_create_repo repo &&
118 test_commit -C repo 1 &&
119 test_commit -C repo 2 &&
120 test_commit -C repo 3 &&
121 git -C repo tag -a annotated_tag -m "annotated tag" &&
122
123 C=$(git -C repo rev-parse 1) &&
124 T=$(git -C repo rev-parse 2^{tree}) &&
125 B=$(git hash-object repo/3.t) &&
126 AT=$(git -C repo rev-parse annotated_tag) &&
127
128 promise_and_delete "$C" &&
129 promise_and_delete "$T" &&
130 promise_and_delete "$B" &&
131 promise_and_delete "$AT" &&
132
133 git -C repo config core.repositoryformatversion 1 &&
134 git -C repo config extensions.partialclone "arbitrary string" &&
135 git -C repo fsck
136 '
137
138 test_expect_success 'missing CLI object, but promised, passes fsck' '
139 rm -rf repo &&
140 test_create_repo repo &&
141 test_commit -C repo my_commit &&
142
143 A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
144 promise_and_delete "$A" &&
145
146 git -C repo config core.repositoryformatversion 1 &&
147 git -C repo config extensions.partialclone "arbitrary string" &&
148 git -C repo fsck "$A"
149 '
150
151 test_expect_success 'fetching of missing objects' '
152 rm -rf repo &&
153 test_create_repo server &&
154 test_commit -C server foo &&
155 git -C server repack -a -d --write-bitmap-index &&
156
157 git clone "file://$(pwd)/server" repo &&
158 HASH=$(git -C repo rev-parse foo) &&
159 rm -rf repo/.git/objects/* &&
160
161 git -C repo config core.repositoryformatversion 1 &&
162 git -C repo config extensions.partialclone "origin" &&
163 git -C repo cat-file -p "$HASH" &&
164
165 # Ensure that the .promisor file is written, and check that its
166 # associated packfile contains the object
167 ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
168 test_line_count = 1 promisorlist &&
169 IDX=$(sed "s/promisor$/idx/" promisorlist) &&
170 git verify-pack --verbose "$IDX" >out &&
171 grep "$HASH" out
172 '
173
174 test_expect_success 'fetching of missing objects works with ref-in-want enabled' '
175 # ref-in-want requires protocol version 2
176 git -C server config protocol.version 2 &&
177 git -C server config uploadpack.allowrefinwant 1 &&
178 git -C repo config protocol.version 2 &&
179
180 rm -rf repo/.git/objects/* &&
181 rm -f trace &&
182 GIT_TRACE_PACKET="$(pwd)/trace" git -C repo cat-file -p "$HASH" &&
183 grep "git< fetch=.*ref-in-want" trace
184 '
185
186 test_expect_success 'fetching of missing objects from another promisor remote' '
187 git clone "file://$(pwd)/server" server2 &&
188 test_commit -C server2 bar &&
189 git -C server2 repack -a -d --write-bitmap-index &&
190 HASH2=$(git -C server2 rev-parse bar) &&
191
192 git -C repo remote add server2 "file://$(pwd)/server2" &&
193 git -C repo config remote.server2.promisor true &&
194 git -C repo cat-file -p "$HASH2" &&
195
196 git -C repo fetch server2 &&
197 rm -rf repo/.git/objects/* &&
198 git -C repo cat-file -p "$HASH2" &&
199
200 # Ensure that the .promisor file is written, and check that its
201 # associated packfile contains the object
202 ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
203 test_line_count = 1 promisorlist &&
204 IDX=$(sed "s/promisor$/idx/" promisorlist) &&
205 git verify-pack --verbose "$IDX" >out &&
206 grep "$HASH2" out
207 '
208
209 test_expect_success 'fetching of missing objects configures a promisor remote' '
210 git clone "file://$(pwd)/server" server3 &&
211 test_commit -C server3 baz &&
212 git -C server3 repack -a -d --write-bitmap-index &&
213 HASH3=$(git -C server3 rev-parse baz) &&
214 git -C server3 config uploadpack.allowfilter 1 &&
215
216 rm repo/.git/objects/pack/pack-*.promisor &&
217
218 git -C repo remote add server3 "file://$(pwd)/server3" &&
219 git -C repo fetch --filter="blob:none" server3 $HASH3 &&
220
221 test_cmp_config -C repo true remote.server3.promisor &&
222
223 # Ensure that the .promisor file is written, and check that its
224 # associated packfile contains the object
225 ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
226 test_line_count = 1 promisorlist &&
227 IDX=$(sed "s/promisor$/idx/" promisorlist) &&
228 git verify-pack --verbose "$IDX" >out &&
229 grep "$HASH3" out
230 '
231
232 test_expect_success 'fetching of missing blobs works' '
233 rm -rf server server2 repo &&
234 rm -rf server server3 repo &&
235 test_create_repo server &&
236 test_commit -C server foo &&
237 git -C server repack -a -d --write-bitmap-index &&
238
239 git clone "file://$(pwd)/server" repo &&
240 git hash-object repo/foo.t >blobhash &&
241 rm -rf repo/.git/objects/* &&
242
243 git -C server config uploadpack.allowanysha1inwant 1 &&
244 git -C server config uploadpack.allowfilter 1 &&
245 git -C repo config core.repositoryformatversion 1 &&
246 git -C repo config extensions.partialclone "origin" &&
247
248 git -C repo cat-file -p $(cat blobhash)
249 '
250
251 test_expect_success 'fetching of missing trees does not fetch blobs' '
252 rm -rf server repo &&
253 test_create_repo server &&
254 test_commit -C server foo &&
255 git -C server repack -a -d --write-bitmap-index &&
256
257 git clone "file://$(pwd)/server" repo &&
258 git -C repo rev-parse foo^{tree} >treehash &&
259 git hash-object repo/foo.t >blobhash &&
260 rm -rf repo/.git/objects/* &&
261
262 git -C server config uploadpack.allowanysha1inwant 1 &&
263 git -C server config uploadpack.allowfilter 1 &&
264 git -C repo config core.repositoryformatversion 1 &&
265 git -C repo config extensions.partialclone "origin" &&
266 git -C repo cat-file -p $(cat treehash) &&
267
268 # Ensure that the tree, but not the blob, is fetched
269 git -C repo rev-list --objects --missing=print $(cat treehash) >objects &&
270 grep "^$(cat treehash)" objects &&
271 grep "^[?]$(cat blobhash)" objects
272 '
273
274 test_expect_success 'rev-list stops traversal at missing and promised commit' '
275 rm -rf repo &&
276 test_create_repo repo &&
277 test_commit -C repo foo &&
278 test_commit -C repo bar &&
279
280 FOO=$(git -C repo rev-parse foo) &&
281 promise_and_delete "$FOO" &&
282
283 git -C repo config core.repositoryformatversion 1 &&
284 git -C repo config extensions.partialclone "arbitrary string" &&
285 GIT_TEST_COMMIT_GRAPH=0 git -C repo -c core.commitGraph=false rev-list --exclude-promisor-objects --objects bar >out &&
286 grep $(git -C repo rev-parse bar) out &&
287 ! grep $FOO out
288 '
289
290 test_expect_success 'missing tree objects with --missing=allow-promisor and --exclude-promisor-objects' '
291 rm -rf repo &&
292 test_create_repo repo &&
293 test_commit -C repo foo &&
294 test_commit -C repo bar &&
295 test_commit -C repo baz &&
296
297 promise_and_delete $(git -C repo rev-parse bar^{tree}) &&
298 promise_and_delete $(git -C repo rev-parse foo^{tree}) &&
299
300 git -C repo config core.repositoryformatversion 1 &&
301 git -C repo config extensions.partialclone "arbitrary string" &&
302
303 git -C repo rev-list --missing=allow-promisor --objects HEAD >objs 2>rev_list_err &&
304 test_must_be_empty rev_list_err &&
305 # 3 commits, 3 blobs, and 1 tree
306 test_line_count = 7 objs &&
307
308 # Do the same for --exclude-promisor-objects, but with all trees gone.
309 promise_and_delete $(git -C repo rev-parse baz^{tree}) &&
310 git -C repo rev-list --exclude-promisor-objects --objects HEAD >objs 2>rev_list_err &&
311 test_must_be_empty rev_list_err &&
312 # 3 commits, no blobs or trees
313 test_line_count = 3 objs
314 '
315
316 test_expect_success 'missing non-root tree object and rev-list' '
317 rm -rf repo &&
318 test_create_repo repo &&
319 mkdir repo/dir &&
320 echo foo >repo/dir/foo &&
321 git -C repo add dir/foo &&
322 git -C repo commit -m "commit dir/foo" &&
323
324 promise_and_delete $(git -C repo rev-parse HEAD:dir) &&
325
326 git -C repo config core.repositoryformatversion 1 &&
327 git -C repo config extensions.partialclone "arbitrary string" &&
328
329 git -C repo rev-list --missing=allow-any --objects HEAD >objs 2>rev_list_err &&
330 test_must_be_empty rev_list_err &&
331 # 1 commit and 1 tree
332 test_line_count = 2 objs
333 '
334
335 test_expect_success 'rev-list stops traversal at missing and promised tree' '
336 rm -rf repo &&
337 test_create_repo repo &&
338 test_commit -C repo foo &&
339 mkdir repo/a_dir &&
340 echo something >repo/a_dir/something &&
341 git -C repo add a_dir/something &&
342 git -C repo commit -m bar &&
343
344 # foo^{tree} (tree referenced from commit)
345 TREE=$(git -C repo rev-parse foo^{tree}) &&
346
347 # a tree referenced by HEAD^{tree} (tree referenced from tree)
348 TREE2=$(git -C repo ls-tree HEAD^{tree} | grep " tree " | head -1 | cut -b13-52) &&
349
350 promise_and_delete "$TREE" &&
351 promise_and_delete "$TREE2" &&
352
353 git -C repo config core.repositoryformatversion 1 &&
354 git -C repo config extensions.partialclone "arbitrary string" &&
355 git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
356 grep $(git -C repo rev-parse foo) out &&
357 ! grep $TREE out &&
358 grep $(git -C repo rev-parse HEAD) out &&
359 ! grep $TREE2 out
360 '
361
362 test_expect_success 'rev-list stops traversal at missing and promised blob' '
363 rm -rf repo &&
364 test_create_repo repo &&
365 echo something >repo/something &&
366 git -C repo add something &&
367 git -C repo commit -m foo &&
368
369 BLOB=$(git -C repo hash-object -w something) &&
370 promise_and_delete "$BLOB" &&
371
372 git -C repo config core.repositoryformatversion 1 &&
373 git -C repo config extensions.partialclone "arbitrary string" &&
374 git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
375 grep $(git -C repo rev-parse HEAD) out &&
376 ! grep $BLOB out
377 '
378
379 test_expect_success 'rev-list stops traversal at promisor commit, tree, and blob' '
380 rm -rf repo &&
381 test_create_repo repo &&
382 test_commit -C repo foo &&
383 test_commit -C repo bar &&
384 test_commit -C repo baz &&
385
386 COMMIT=$(git -C repo rev-parse foo) &&
387 TREE=$(git -C repo rev-parse bar^{tree}) &&
388 BLOB=$(git hash-object repo/baz.t) &&
389 printf "%s\n%s\n%s\n" $COMMIT $TREE $BLOB | pack_as_from_promisor &&
390
391 git -C repo config core.repositoryformatversion 1 &&
392 git -C repo config extensions.partialclone "arbitrary string" &&
393 git -C repo rev-list --exclude-promisor-objects --objects HEAD >out &&
394 ! grep $COMMIT out &&
395 ! grep $TREE out &&
396 ! grep $BLOB out &&
397 grep $(git -C repo rev-parse bar) out # sanity check that some walking was done
398 '
399
400 test_expect_success 'rev-list dies for missing objects on cmd line' '
401 rm -rf repo &&
402 test_create_repo repo &&
403 test_commit -C repo foo &&
404 test_commit -C repo bar &&
405 test_commit -C repo baz &&
406
407 COMMIT=$(git -C repo rev-parse foo) &&
408 TREE=$(git -C repo rev-parse bar^{tree}) &&
409 BLOB=$(git hash-object repo/baz.t) &&
410
411 promise_and_delete $COMMIT &&
412 promise_and_delete $TREE &&
413 promise_and_delete $BLOB &&
414
415 git -C repo config core.repositoryformatversion 1 &&
416 git -C repo config extensions.partialclone "arbitrary string" &&
417
418 for OBJ in "$COMMIT" "$TREE" "$BLOB"; do
419 test_must_fail git -C repo rev-list --objects \
420 --exclude-promisor-objects "$OBJ" &&
421 test_must_fail git -C repo rev-list --objects-edge-aggressive \
422 --exclude-promisor-objects "$OBJ" &&
423
424 # Do not die or crash when --ignore-missing is passed.
425 git -C repo rev-list --ignore-missing --objects \
426 --exclude-promisor-objects "$OBJ" &&
427 git -C repo rev-list --ignore-missing --objects-edge-aggressive \
428 --exclude-promisor-objects "$OBJ"
429 done
430 '
431
432 test_expect_success 'gc repacks promisor objects separately from non-promisor objects' '
433 rm -rf repo &&
434 test_create_repo repo &&
435 test_commit -C repo one &&
436 test_commit -C repo two &&
437
438 TREE_ONE=$(git -C repo rev-parse one^{tree}) &&
439 printf "$TREE_ONE\n" | pack_as_from_promisor &&
440 TREE_TWO=$(git -C repo rev-parse two^{tree}) &&
441 printf "$TREE_TWO\n" | pack_as_from_promisor &&
442
443 git -C repo config core.repositoryformatversion 1 &&
444 git -C repo config extensions.partialclone "arbitrary string" &&
445 git -C repo gc &&
446
447 # Ensure that exactly one promisor packfile exists, and that it
448 # contains the trees but not the commits
449 ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
450 test_line_count = 1 promisorlist &&
451 PROMISOR_PACKFILE=$(sed "s/.promisor/.pack/" <promisorlist) &&
452 git verify-pack $PROMISOR_PACKFILE -v >out &&
453 grep "$TREE_ONE" out &&
454 grep "$TREE_TWO" out &&
455 ! grep "$(git -C repo rev-parse one)" out &&
456 ! grep "$(git -C repo rev-parse two)" out &&
457
458 # Remove the promisor packfile and associated files
459 rm $(sed "s/.promisor//" <promisorlist).* &&
460
461 # Ensure that the single other pack contains the commits, but not the
462 # trees
463 ls repo/.git/objects/pack/pack-*.pack >packlist &&
464 test_line_count = 1 packlist &&
465 git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
466 grep "$(git -C repo rev-parse one)" out &&
467 grep "$(git -C repo rev-parse two)" out &&
468 ! grep "$TREE_ONE" out &&
469 ! grep "$TREE_TWO" out
470 '
471
472 test_expect_success 'gc does not repack promisor objects if there are none' '
473 rm -rf repo &&
474 test_create_repo repo &&
475 test_commit -C repo one &&
476
477 git -C repo config core.repositoryformatversion 1 &&
478 git -C repo config extensions.partialclone "arbitrary string" &&
479 git -C repo gc &&
480
481 # Ensure that only one pack exists
482 ls repo/.git/objects/pack/pack-*.pack >packlist &&
483 test_line_count = 1 packlist
484 '
485
486 repack_and_check () {
487 rm -rf repo2 &&
488 cp -r repo repo2 &&
489 git -C repo2 repack $1 -d &&
490 git -C repo2 fsck &&
491
492 git -C repo2 cat-file -e $2 &&
493 git -C repo2 cat-file -e $3
494 }
495
496 test_expect_success 'repack -d does not irreversibly delete promisor objects' '
497 rm -rf repo &&
498 test_create_repo repo &&
499 git -C repo config core.repositoryformatversion 1 &&
500 git -C repo config extensions.partialclone "arbitrary string" &&
501
502 git -C repo commit --allow-empty -m one &&
503 git -C repo commit --allow-empty -m two &&
504 git -C repo commit --allow-empty -m three &&
505 git -C repo commit --allow-empty -m four &&
506 ONE=$(git -C repo rev-parse HEAD^^^) &&
507 TWO=$(git -C repo rev-parse HEAD^^) &&
508 THREE=$(git -C repo rev-parse HEAD^) &&
509
510 printf "$TWO\n" | pack_as_from_promisor &&
511 printf "$THREE\n" | pack_as_from_promisor &&
512 delete_object repo "$ONE" &&
513
514 repack_and_check -a "$TWO" "$THREE" &&
515 repack_and_check -A "$TWO" "$THREE" &&
516 repack_and_check -l "$TWO" "$THREE"
517 '
518
519 test_expect_success 'gc stops traversal when a missing but promised object is reached' '
520 rm -rf repo &&
521 test_create_repo repo &&
522 test_commit -C repo my_commit &&
523
524 TREE_HASH=$(git -C repo rev-parse HEAD^{tree}) &&
525 HASH=$(promise_and_delete $TREE_HASH) &&
526
527 git -C repo config core.repositoryformatversion 1 &&
528 git -C repo config extensions.partialclone "arbitrary string" &&
529 git -C repo gc &&
530
531 # Ensure that the promisor packfile still exists, and remove it
532 test -e repo/.git/objects/pack/pack-$HASH.pack &&
533 rm repo/.git/objects/pack/pack-$HASH.* &&
534
535 # Ensure that the single other pack contains the commit, but not the tree
536 ls repo/.git/objects/pack/pack-*.pack >packlist &&
537 test_line_count = 1 packlist &&
538 git verify-pack repo/.git/objects/pack/pack-*.pack -v >out &&
539 grep "$(git -C repo rev-parse HEAD)" out &&
540 ! grep "$TREE_HASH" out
541 '
542
543 test_expect_success 'do not fetch when checking existence of tree we construct ourselves' '
544 rm -rf repo &&
545 test_create_repo repo &&
546 test_commit -C repo base &&
547 test_commit -C repo side1 &&
548 git -C repo checkout base &&
549 test_commit -C repo side2 &&
550
551 git -C repo config core.repositoryformatversion 1 &&
552 git -C repo config extensions.partialclone "arbitrary string" &&
553
554 git -C repo cherry-pick side1
555 '
556
557 . "$TEST_DIRECTORY"/lib-httpd.sh
558 start_httpd
559
560 test_expect_success 'fetching of missing objects from an HTTP server' '
561 rm -rf repo &&
562 SERVER="$HTTPD_DOCUMENT_ROOT_PATH/server" &&
563 test_create_repo "$SERVER" &&
564 test_commit -C "$SERVER" foo &&
565 git -C "$SERVER" repack -a -d --write-bitmap-index &&
566
567 git clone $HTTPD_URL/smart/server repo &&
568 HASH=$(git -C repo rev-parse foo) &&
569 rm -rf repo/.git/objects/* &&
570
571 git -C repo config core.repositoryformatversion 1 &&
572 git -C repo config extensions.partialclone "origin" &&
573 git -C repo cat-file -p "$HASH" &&
574
575 # Ensure that the .promisor file is written, and check that its
576 # associated packfile contains the object
577 ls repo/.git/objects/pack/pack-*.promisor >promisorlist &&
578 test_line_count = 1 promisorlist &&
579 IDX=$(sed "s/promisor$/idx/" promisorlist) &&
580 git verify-pack --verbose "$IDX" >out &&
581 grep "$HASH" out
582 '
583
584 # DO NOT add non-httpd-specific tests here, because the last part of this
585 # test script is only executed when httpd is available and enabled.
586
587 test_done