Raw
1 #!/bin/sh
2 #
3 # Copyright (c) 2012 Avery Pennaraum
4 # Copyright (c) 2015 Alexey Shumkin
5 #
6 test_description='Basic porcelain support for subtrees
7
8 This test verifies the basic operation of the add, merge, split, pull,
9 and push subcommands of git subtree.
10 '
11
12 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
13 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
14
15 TEST_DIRECTORY=$(pwd)/../../../t
16 . "$TEST_DIRECTORY"/test-lib.sh
17 . "$TEST_DIRECTORY"/lib-gpg.sh
18
19 # Use our own wrapper around test-lib.sh's test_create_repo, in order
20 # to set log.date=relative. `git subtree` parses the output of `git
21 # log`, and so it must be careful to not be affected by settings that
22 # change the `git log` output. We test this by setting
23 # log.date=relative for every repo in the tests.
24 subtree_test_create_repo () {
25 test_create_repo "$1" &&
26 git -C "$1" config log.date relative
27 }
28
29 test_create_commit () (
30 repo=$1 &&
31 commit=$2 &&
32 cd "$repo" &&
33 mkdir -p "$(dirname "$commit")" \
34 || error "Could not create directory for commit"
35 echo "$commit" >"$commit" &&
36 git add "$commit" || error "Could not add commit"
37 git commit -m "$commit" || error "Could not commit"
38 )
39
40 test_wrong_flag() {
41 test_must_fail "$@" >out 2>err &&
42 test_must_be_empty out &&
43 grep "flag does not make sense with" err
44 }
45
46 last_commit_subject () {
47 git log --pretty=format:%s -1
48 }
49
50 # Upon 'git subtree add|merge --squash' of an annotated tag,
51 # pre-2.32.0 versions of 'git subtree' would write the hash of the tag
52 # (sub1 below), instead of the commit (sub1^{commit}) in the
53 # "git-subtree-split" trailer.
54 # We imitate this behaviour below using a replace ref.
55 # This function creates 3 repositories:
56 # - $1
57 # - $1-sub (added as subtree "sub" in $1)
58 # - $1-clone (clone of $1)
59 test_create_pre2_32_repo () {
60 subtree_test_create_repo "$1" &&
61 subtree_test_create_repo "$1-sub" &&
62 test_commit -C "$1" main1 &&
63 test_commit -C "$1-sub" --annotate sub1 &&
64 git -C "$1" subtree add --prefix="sub" --squash "../$1-sub" sub1 &&
65 tag=$(git -C "$1" rev-parse FETCH_HEAD) &&
66 commit=$(git -C "$1" rev-parse FETCH_HEAD^{commit}) &&
67 git -C "$1" log -1 --format=%B HEAD^2 >msg &&
68 test_commit -C "$1-sub" --annotate sub2 &&
69 git clone --no-local "$1" "$1-clone" &&
70 new_commit=$(sed -e "s/$commit/$tag/" msg | git -C "$1-clone" commit-tree HEAD^2^{tree}) &&
71 git -C "$1-clone" replace HEAD^2 $new_commit
72 }
73
74 # test_create_subtree_add REPO ORPHAN PREFIX FILENAME ...
75 #
76 # Create a simple subtree on a new branch named ORPHAN in REPO.
77 # The subtree is then merged into the current branch of REPO,
78 # under PREFIX. The generated subtree has one commit
79 # with subject and tag FILENAME with a single file "FILENAME.t"
80 #
81 # When this method returns:
82 # - the current branch of REPO will have file PREFIX/FILENAME.t
83 # - REPO will have a branch named ORPHAN with subtree history
84 #
85 # additional arguments are forwarded to "subtree add"
86 test_create_subtree_add () {
87 (
88 cd "$1" &&
89 orphan="$2" &&
90 prefix="$3" &&
91 filename="$4" &&
92 shift 4 &&
93 last="$(git branch --show-current)" &&
94 git switch --orphan "$orphan" &&
95 test_commit "$filename" &&
96 git checkout "$last" &&
97 git subtree add --prefix="$prefix" "$@" "$orphan"
98 )
99 }
100
101 test_expect_success 'shows short help text for -h' '
102 test_expect_code 129 git subtree -h >out 2>err &&
103 test_must_be_empty err &&
104 grep -e "^ *or: git subtree pull" out &&
105 grep -F -e "--[no-]annotate" out
106 '
107
108 #
109 # Tests for 'git subtree add'
110 #
111
112 test_expect_success 'no merge from non-existent subtree' '
113 subtree_test_create_repo "$test_count" &&
114 subtree_test_create_repo "$test_count/sub proj" &&
115 test_create_commit "$test_count" main1 &&
116 test_create_commit "$test_count/sub proj" sub1 &&
117 (
118 cd "$test_count" &&
119 git fetch ./"sub proj" HEAD &&
120 test_must_fail git subtree merge --prefix="sub dir" FETCH_HEAD
121 )
122 '
123
124 test_expect_success 'no pull from non-existent subtree' '
125 subtree_test_create_repo "$test_count" &&
126 subtree_test_create_repo "$test_count/sub proj" &&
127 test_create_commit "$test_count" main1 &&
128 test_create_commit "$test_count/sub proj" sub1 &&
129 (
130 cd "$test_count" &&
131 git fetch ./"sub proj" HEAD &&
132 test_must_fail git subtree pull --prefix="sub dir" ./"sub proj" HEAD
133 )
134 '
135
136 test_expect_success 'add rejects flags for split' '
137 subtree_test_create_repo "$test_count" &&
138 subtree_test_create_repo "$test_count/sub proj" &&
139 test_create_commit "$test_count" main1 &&
140 test_create_commit "$test_count/sub proj" sub1 &&
141 (
142 cd "$test_count" &&
143 git fetch ./"sub proj" HEAD &&
144 test_wrong_flag git subtree add --prefix="sub dir" --annotate=foo FETCH_HEAD &&
145 test_wrong_flag git subtree add --prefix="sub dir" --branch=foo FETCH_HEAD &&
146 test_wrong_flag git subtree add --prefix="sub dir" --ignore-joins FETCH_HEAD &&
147 test_wrong_flag git subtree add --prefix="sub dir" --onto=foo FETCH_HEAD &&
148 test_wrong_flag git subtree add --prefix="sub dir" --rejoin FETCH_HEAD
149 )
150 '
151
152 test_expect_success 'add subproj as subtree into sub dir/ with --prefix' '
153 subtree_test_create_repo "$test_count" &&
154 subtree_test_create_repo "$test_count/sub proj" &&
155 test_create_commit "$test_count" main1 &&
156 test_create_commit "$test_count/sub proj" sub1 &&
157 (
158 cd "$test_count" &&
159 git fetch ./"sub proj" HEAD &&
160 git subtree add --prefix="sub dir" FETCH_HEAD &&
161 test "$(last_commit_subject)" = "Add '\''sub dir/'\'' from commit '\''$(git rev-parse FETCH_HEAD)'\''"
162 )
163 '
164
165 test_expect_success 'add subproj as subtree into sub dir/ with --prefix and --message' '
166 subtree_test_create_repo "$test_count" &&
167 subtree_test_create_repo "$test_count/sub proj" &&
168 test_create_commit "$test_count" main1 &&
169 test_create_commit "$test_count/sub proj" sub1 &&
170 (
171 cd "$test_count" &&
172 git fetch ./"sub proj" HEAD &&
173 git subtree add --prefix="sub dir" --message="Added subproject" FETCH_HEAD &&
174 test "$(last_commit_subject)" = "Added subproject"
175 )
176 '
177
178 test_expect_success 'add subproj as subtree into sub dir/ with --prefix as -P and --message as -m' '
179 subtree_test_create_repo "$test_count" &&
180 subtree_test_create_repo "$test_count/sub proj" &&
181 test_create_commit "$test_count" main1 &&
182 test_create_commit "$test_count/sub proj" sub1 &&
183 (
184 cd "$test_count" &&
185 git fetch ./"sub proj" HEAD &&
186 git subtree add -P "sub dir" -m "Added subproject" FETCH_HEAD &&
187 test "$(last_commit_subject)" = "Added subproject"
188 )
189 '
190
191 test_expect_success 'add subproj as subtree into sub dir/ with --squash and --prefix and --message' '
192 subtree_test_create_repo "$test_count" &&
193 subtree_test_create_repo "$test_count/sub proj" &&
194 test_create_commit "$test_count" main1 &&
195 test_create_commit "$test_count/sub proj" sub1 &&
196 (
197 cd "$test_count" &&
198 git fetch ./"sub proj" HEAD &&
199 git subtree add --prefix="sub dir" --message="Added subproject with squash" --squash FETCH_HEAD &&
200 test "$(last_commit_subject)" = "Added subproject with squash"
201 )
202 '
203
204 #
205 # Tests for 'git subtree merge'
206 #
207
208 test_expect_success 'merge rejects flags for split' '
209 subtree_test_create_repo "$test_count" &&
210 subtree_test_create_repo "$test_count/sub proj" &&
211 test_create_commit "$test_count" main1 &&
212 test_create_commit "$test_count/sub proj" sub1 &&
213 (
214 cd "$test_count" &&
215 git fetch ./"sub proj" HEAD &&
216 git subtree add --prefix="sub dir" FETCH_HEAD
217 ) &&
218 test_create_commit "$test_count/sub proj" sub2 &&
219 (
220 cd "$test_count" &&
221 git fetch ./"sub proj" HEAD &&
222 test_wrong_flag git subtree merge --prefix="sub dir" --annotate=foo FETCH_HEAD &&
223 test_wrong_flag git subtree merge --prefix="sub dir" --branch=foo FETCH_HEAD &&
224 test_wrong_flag git subtree merge --prefix="sub dir" --ignore-joins FETCH_HEAD &&
225 test_wrong_flag git subtree merge --prefix="sub dir" --onto=foo FETCH_HEAD &&
226 test_wrong_flag git subtree merge --prefix="sub dir" --rejoin FETCH_HEAD
227 )
228 '
229
230 test_expect_success 'merge new subproj history into sub dir/ with --prefix' '
231 subtree_test_create_repo "$test_count" &&
232 subtree_test_create_repo "$test_count/sub proj" &&
233 test_create_commit "$test_count" main1 &&
234 test_create_commit "$test_count/sub proj" sub1 &&
235 (
236 cd "$test_count" &&
237 git fetch ./"sub proj" HEAD &&
238 git subtree add --prefix="sub dir" FETCH_HEAD
239 ) &&
240 test_create_commit "$test_count/sub proj" sub2 &&
241 (
242 cd "$test_count" &&
243 git fetch ./"sub proj" HEAD &&
244 git subtree merge --prefix="sub dir" FETCH_HEAD &&
245 test "$(last_commit_subject)" = "Merge commit '\''$(git rev-parse FETCH_HEAD)'\''"
246 )
247 '
248
249 test_expect_success 'merge new subproj history into sub dir/ with --prefix and --message' '
250 subtree_test_create_repo "$test_count" &&
251 subtree_test_create_repo "$test_count/sub proj" &&
252 test_create_commit "$test_count" main1 &&
253 test_create_commit "$test_count/sub proj" sub1 &&
254 (
255 cd "$test_count" &&
256 git fetch ./"sub proj" HEAD &&
257 git subtree add --prefix="sub dir" FETCH_HEAD
258 ) &&
259 test_create_commit "$test_count/sub proj" sub2 &&
260 (
261 cd "$test_count" &&
262 git fetch ./"sub proj" HEAD &&
263 git subtree merge --prefix="sub dir" --message="Merged changes from subproject" FETCH_HEAD &&
264 test "$(last_commit_subject)" = "Merged changes from subproject"
265 )
266 '
267
268 test_expect_success 'merge new subproj history into sub dir/ with --squash and --prefix and --message' '
269 subtree_test_create_repo "$test_count/sub proj" &&
270 subtree_test_create_repo "$test_count" &&
271 test_create_commit "$test_count" main1 &&
272 test_create_commit "$test_count/sub proj" sub1 &&
273 (
274 cd "$test_count" &&
275 git fetch ./"sub proj" HEAD &&
276 git subtree add --prefix="sub dir" FETCH_HEAD
277 ) &&
278 test_create_commit "$test_count/sub proj" sub2 &&
279 (
280 cd "$test_count" &&
281 git fetch ./"sub proj" HEAD &&
282 git subtree merge --prefix="sub dir" --message="Merged changes from subproject using squash" --squash FETCH_HEAD &&
283 test "$(last_commit_subject)" = "Merged changes from subproject using squash"
284 )
285 '
286
287 test_expect_success 'merge the added subproj again, should do nothing' '
288 subtree_test_create_repo "$test_count" &&
289 subtree_test_create_repo "$test_count/sub proj" &&
290 test_create_commit "$test_count" main1 &&
291 test_create_commit "$test_count/sub proj" sub1 &&
292 (
293 cd "$test_count" &&
294 git fetch ./"sub proj" HEAD &&
295 git subtree add --prefix="sub dir" FETCH_HEAD &&
296 # this shouldn not actually do anything, since FETCH_HEAD
297 # is already a parent
298 result=$(git merge -s ours -m "merge -s -ours" FETCH_HEAD) &&
299 test "${result}" = "Already up to date."
300 )
301 '
302
303 test_expect_success 'merge new subproj history into subdir/ with a slash appended to the argument of --prefix' '
304 subtree_test_create_repo "$test_count" &&
305 subtree_test_create_repo "$test_count/subproj" &&
306 test_create_commit "$test_count" main1 &&
307 test_create_commit "$test_count/subproj" sub1 &&
308 (
309 cd "$test_count" &&
310 git fetch ./subproj HEAD &&
311 git subtree add --prefix=subdir/ FETCH_HEAD
312 ) &&
313 test_create_commit "$test_count/subproj" sub2 &&
314 (
315 cd "$test_count" &&
316 git fetch ./subproj HEAD &&
317 git subtree merge --prefix=subdir/ FETCH_HEAD &&
318 test "$(last_commit_subject)" = "Merge commit '\''$(git rev-parse FETCH_HEAD)'\''"
319 )
320 '
321
322 test_expect_success 'merge with --squash after annotated tag was added/merged with --squash pre-v2.32.0 ' '
323 test_create_pre2_32_repo "$test_count" &&
324 git -C "$test_count-clone" fetch "../$test_count-sub" sub2 &&
325 test_must_fail git -C "$test_count-clone" subtree merge --prefix="sub" --squash FETCH_HEAD &&
326 git -C "$test_count-clone" subtree merge --prefix="sub" --squash FETCH_HEAD "../$test_count-sub"
327 '
328
329 #
330 # Tests for 'git subtree split'
331 #
332
333 test_expect_success 'split requires option --prefix' '
334 subtree_test_create_repo "$test_count" &&
335 subtree_test_create_repo "$test_count/sub proj" &&
336 test_create_commit "$test_count" main1 &&
337 test_create_commit "$test_count/sub proj" sub1 &&
338 (
339 cd "$test_count" &&
340 git fetch ./"sub proj" HEAD &&
341 git subtree add --prefix="sub dir" FETCH_HEAD &&
342 echo "fatal: you must provide the --prefix option." >expected &&
343 test_must_fail git subtree split >actual 2>&1 &&
344 test_debug "printf '"expected: "'" &&
345 test_debug "cat expected" &&
346 test_debug "printf '"actual: "'" &&
347 test_debug "cat actual" &&
348 test_cmp expected actual
349 )
350 '
351
352 test_expect_success 'split requires path given by option --prefix must exist' '
353 subtree_test_create_repo "$test_count" &&
354 subtree_test_create_repo "$test_count/sub proj" &&
355 test_create_commit "$test_count" main1 &&
356 test_create_commit "$test_count/sub proj" sub1 &&
357 (
358 cd "$test_count" &&
359 git fetch ./"sub proj" HEAD &&
360 git subtree add --prefix="sub dir" FETCH_HEAD &&
361 echo "fatal: '\''non-existent-directory'\'' does not exist; use '\''git subtree add'\''" >expected &&
362 test_must_fail git subtree split --prefix=non-existent-directory >actual 2>&1 &&
363 test_debug "printf '"expected: "'" &&
364 test_debug "cat expected" &&
365 test_debug "printf '"actual: "'" &&
366 test_debug "cat actual" &&
367 test_cmp expected actual
368 )
369 '
370
371 test_expect_success 'split works when prefix exists in commit but not in working tree' '
372 subtree_test_create_repo "$test_count" &&
373 (
374 cd "$test_count" &&
375
376 # create subtree
377 mkdir pkg &&
378 echo ok >pkg/file &&
379 git add pkg &&
380 git commit -m "add pkg" &&
381 good=$(git rev-parse HEAD) &&
382
383 # remove it from working tree in later commit
384 git rm -r pkg &&
385 git commit -m "remove pkg" &&
386
387 # must still be able to split using the old commit
388 git subtree split --prefix=pkg "$good" >out &&
389 test -s out
390 )
391 '
392
393 test_expect_success 'split rejects flags for add' '
394 subtree_test_create_repo "$test_count" &&
395 subtree_test_create_repo "$test_count/sub proj" &&
396 test_create_commit "$test_count" main1 &&
397 test_create_commit "$test_count/sub proj" sub1 &&
398 (
399 cd "$test_count" &&
400 git fetch ./"sub proj" HEAD &&
401 git subtree add --prefix="sub dir" FETCH_HEAD
402 ) &&
403 test_create_commit "$test_count" "sub dir"/main-sub1 &&
404 test_create_commit "$test_count" main2 &&
405 test_create_commit "$test_count/sub proj" sub2 &&
406 test_create_commit "$test_count" "sub dir"/main-sub2 &&
407 (
408 cd "$test_count" &&
409 git fetch ./"sub proj" HEAD &&
410 git subtree merge --prefix="sub dir" FETCH_HEAD &&
411 split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
412 test_wrong_flag git subtree split --prefix="sub dir" --squash &&
413 test_wrong_flag git subtree split --prefix="sub dir" --message=foo
414 )
415 '
416
417 test_expect_success 'split sub dir/ with --rejoin' '
418 subtree_test_create_repo "$test_count" &&
419 subtree_test_create_repo "$test_count/sub proj" &&
420 test_create_commit "$test_count" main1 &&
421 test_create_commit "$test_count/sub proj" sub1 &&
422 (
423 cd "$test_count" &&
424 git fetch ./"sub proj" HEAD &&
425 git subtree add --prefix="sub dir" FETCH_HEAD
426 ) &&
427 test_create_commit "$test_count" "sub dir"/main-sub1 &&
428 test_create_commit "$test_count" main2 &&
429 test_create_commit "$test_count/sub proj" sub2 &&
430 test_create_commit "$test_count" "sub dir"/main-sub2 &&
431 (
432 cd "$test_count" &&
433 git fetch ./"sub proj" HEAD &&
434 git subtree merge --prefix="sub dir" FETCH_HEAD &&
435 split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
436 git subtree split --prefix="sub dir" --annotate="*" -b spl --rejoin &&
437 test "$(last_commit_subject)" = "Split '\''sub dir/'\'' into commit '\''$split_hash'\''" &&
438 test "$(git rev-list --count spl)" -eq 5
439 )
440 '
441
442 # Tests that commits from other subtrees are not processed as
443 # part of a split.
444 #
445 # This test performs the following:
446 # - Creates Repo with subtrees 'subA' and 'subB'
447 # - Creates commits in the repo including changes to subtrees
448 # - Runs the following 'split' and commit' commands in order:
449 # - Perform 'split' on subtree A
450 # - Perform 'split' on subtree B
451 # - Create new commits with changes to subtree A and B
452 # - Perform split on subtree A
453 # - Check for expected history
454 test_expect_success 'split with multiple subtrees' '
455 subtree_test_create_repo "$test_count" &&
456 subtree_test_create_repo "$test_count/subA" &&
457 subtree_test_create_repo "$test_count/subB" &&
458 test_create_commit "$test_count" main1 &&
459 test_create_commit "$test_count/subA" subA1 &&
460 test_create_commit "$test_count/subA" subA2 &&
461 test_create_commit "$test_count/subA" subA3 &&
462 test_create_commit "$test_count/subB" subB1 &&
463 git -C "$test_count" fetch ./subA HEAD &&
464 git -C "$test_count" subtree add --prefix=subADir FETCH_HEAD &&
465 git -C "$test_count" fetch ./subB HEAD &&
466 git -C "$test_count" subtree add --prefix=subBDir FETCH_HEAD &&
467 test "$(git -C "$test_count" rev-list --count main)" -eq 7 &&
468 test_create_commit "$test_count" subADir/main-subA1 &&
469 test_create_commit "$test_count" subBDir/main-subB1 &&
470 git -C "$test_count" subtree split --prefix=subADir \
471 --squash --rejoin -m "Sub A Split 1" -b a1 &&
472 test "$(git -C "$test_count" rev-list --count main..a1)" -eq 1 &&
473 git -C "$test_count" subtree split --prefix=subBDir \
474 --squash --rejoin -m "Sub B Split 1" -b b1 &&
475 test "$(git -C "$test_count" rev-list --count main..b1)" -eq 1 &&
476 test_create_commit "$test_count" subADir/main-subA2 &&
477 test_create_commit "$test_count" subBDir/main-subB2 &&
478 git -C "$test_count" subtree split --prefix=subADir \
479 --squash --rejoin -m "Sub A Split 2" -b a2 &&
480 test "$(git -C "$test_count" rev-list --count main..a2)" -eq 2 &&
481 test "$(git -C "$test_count" rev-list --count a1..a2)" -eq 1 &&
482 git -C "$test_count" subtree split --prefix=subBDir \
483 --squash --rejoin -d -m "Sub B Split 1" -b b2 &&
484 test "$(git -C "$test_count" rev-list --count main..b2)" -eq 2 &&
485 test "$(git -C "$test_count" rev-list --count b1..b2)" -eq 1
486 '
487
488 # When subtree split-ing a directory that has other subtree
489 # *merges* underneath it, the split must include those subtrees.
490 # This test creates a nested subtree, `subA/subB`, and tests
491 # that the tree is correct after a subtree split of `subA/`.
492 # The test covers:
493 # - An initial `subtree add`; and
494 # - A follow-up `subtree merge`
495 # both with and without `--squashed`.
496 for is_squashed in '' 'y'
497 do
498 test_expect_success "split keeps nested ${is_squashed:+--squash }subtrees that are part of the split" '
499 subtree_test_create_repo "$test_count" &&
500 (
501 cd "$test_count" &&
502 mkdir subA &&
503 test_commit subA/file1 &&
504 test_create_subtree_add \
505 . mksubtree subA/subB file2 ${is_squashed:+--squash} &&
506 test_path_is_file subA/file1.t &&
507 test_path_is_file subA/subB/file2.t &&
508 git subtree split --prefix=subA --branch=bsplit &&
509 test "$(git rev-list --count bsplit)" -eq 2 &&
510 git checkout bsplit &&
511 test_path_is_file file1.t &&
512 test_path_is_file subB/file2.t &&
513 git checkout mksubtree &&
514 git branch -D bsplit &&
515 test_commit file3 &&
516 git checkout main &&
517 git subtree merge \
518 ${is_squashed:+--squash} \
519 --prefix=subA/subB mksubtree &&
520 test_path_is_file subA/subB/file3.t &&
521 git subtree split --prefix=subA --branch=bsplit &&
522 test "$(git rev-list --count bsplit)" -eq 3 &&
523 git checkout bsplit &&
524 test_path_is_file file1.t &&
525 test_path_is_file subB/file2.t &&
526 test_path_is_file subB/file3.t
527 )
528 '
529 done
530
531 # Usually,
532 #
533 # git subtree merge -P subA --squash f00...
534 #
535 # makes two commits, in this order:
536 #
537 # 1. Squashed 'subA/' content from commit f00...
538 # 2. Merge commit (1) as 'subA'
539 #
540 # Commit 1 updates the subtree but does *not* rewrite paths.
541 # Commit 2 rewrites all trees to start with `subA/`
542 #
543 # Commit 1 either has no parents or depends only on other
544 # "Squashed 'subA/' content" commits.
545 #
546 # For merge without --squash, subtree produces just one commit:
547 # a merge commit with git-subtree trailers.
548 #
549 # In either case, if the user rebases these commits, they will
550 # still have the git-subtree-* trailers… but will NOT have
551 # the layout described above.
552 #
553 # Test that subsequent `git subtree split` are not confused by this.
554 test_expect_success 'split with rebased subtree commit' '
555 subtree_test_create_repo "$test_count" &&
556 (
557 cd "$test_count" &&
558 test_commit file0 &&
559 test_create_subtree_add \
560 . mksubtree subA file1 --squash &&
561 test_path_is_file subA/file1.t &&
562 mkdir subB &&
563 test_commit subB/bfile &&
564 git commit --amend -F - <<'EOF' &&
565 Squashed '\''subB/'\'' content from commit '\''badf00da911bbe895347b4b236f5461d55dc9877'\''
566
567 Simulate a cherry-picked or rebased subtree commit.
568
569 git-subtree-dir: subB
570 git-subtree-split: badf00da911bbe895347b4b236f5461d55dc9877
571 EOF
572 test_commit subA/file2 &&
573 test_commit subB/bfile2 &&
574 git commit --amend -F - <<'EOF' &&
575 Split '\''subB/'\'' into commit '\''badf00da911bbe895347b4b236f5461d55dc9877'\''
576
577 Simulate a cherry-picked or rebased subtree commit.
578
579 git-subtree-dir: subB
580 git-subtree-mainline: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
581 git-subtree-split: badf00da911bbe895347b4b236f5461d55dc9877
582 EOF
583 git subtree split --prefix=subA --branch=bsplit &&
584 git checkout bsplit &&
585 test_path_is_file file1.t &&
586 test_path_is_file file2.t &&
587 test "$(last_commit_subject)" = "subA/file2" &&
588 test "$(git rev-list --count bsplit)" -eq 2
589 )
590 '
591
592 test_expect_success 'split sub dir/ with --rejoin from scratch' '
593 subtree_test_create_repo "$test_count" &&
594 test_create_commit "$test_count" main1 &&
595 (
596 cd "$test_count" &&
597 mkdir "sub dir" &&
598 echo file >"sub dir"/file &&
599 git add "sub dir/file" &&
600 git commit -m"sub dir file" &&
601 split_hash=$(git subtree split --prefix="sub dir" --rejoin) &&
602 git subtree split --prefix="sub dir" --rejoin &&
603 test "$(last_commit_subject)" = "Split '\''sub dir/'\'' into commit '\''$split_hash'\''"
604 )
605 '
606
607 test_expect_success 'split sub dir/ with --rejoin and --message' '
608 subtree_test_create_repo "$test_count" &&
609 subtree_test_create_repo "$test_count/sub proj" &&
610 test_create_commit "$test_count" main1 &&
611 test_create_commit "$test_count/sub proj" sub1 &&
612 (
613 cd "$test_count" &&
614 git fetch ./"sub proj" HEAD &&
615 git subtree add --prefix="sub dir" FETCH_HEAD
616 ) &&
617 test_create_commit "$test_count" "sub dir"/main-sub1 &&
618 test_create_commit "$test_count" main2 &&
619 test_create_commit "$test_count/sub proj" sub2 &&
620 test_create_commit "$test_count" "sub dir"/main-sub2 &&
621 (
622 cd "$test_count" &&
623 git fetch ./"sub proj" HEAD &&
624 git subtree merge --prefix="sub dir" FETCH_HEAD &&
625 git subtree split --prefix="sub dir" --message="Split & rejoin" --annotate="*" --rejoin &&
626 test "$(last_commit_subject)" = "Split & rejoin"
627 )
628 '
629
630 test_expect_success 'split "sub dir"/ with --rejoin and --squash' '
631 subtree_test_create_repo "$test_count" &&
632 subtree_test_create_repo "$test_count/sub proj" &&
633 test_create_commit "$test_count" main1 &&
634 test_create_commit "$test_count/sub proj" sub1 &&
635 (
636 cd "$test_count" &&
637 git fetch ./"sub proj" HEAD &&
638 git subtree add --prefix="sub dir" --squash FETCH_HEAD
639 ) &&
640 test_create_commit "$test_count" "sub dir"/main-sub1 &&
641 test_create_commit "$test_count" main2 &&
642 test_create_commit "$test_count/sub proj" sub2 &&
643 test_create_commit "$test_count" "sub dir"/main-sub2 &&
644 (
645 cd "$test_count" &&
646 git subtree pull --prefix="sub dir" --squash ./"sub proj" HEAD &&
647 MAIN=$(git rev-parse --verify HEAD) &&
648 SUB=$(git -C "sub proj" rev-parse --verify HEAD) &&
649
650 SPLIT=$(git subtree split --prefix="sub dir" --annotate="*" --rejoin --squash) &&
651
652 test_must_fail git merge-base --is-ancestor $SUB HEAD &&
653 test_must_fail git merge-base --is-ancestor $SPLIT HEAD &&
654 git rev-list HEAD ^$MAIN >commit-list &&
655 test_line_count = 2 commit-list &&
656 test "$(git rev-parse --verify HEAD:)" = "$(git rev-parse --verify $MAIN:)" &&
657 test "$(git rev-parse --verify HEAD:"sub dir")" = "$(git rev-parse --verify $SPLIT:)" &&
658 test "$(git rev-parse --verify HEAD^1)" = $MAIN &&
659 test "$(git rev-parse --verify HEAD^2)" != $SPLIT &&
660 test "$(git rev-parse --verify HEAD^2:)" = "$(git rev-parse --verify $SPLIT:)" &&
661 test "$(last_commit_subject)" = "Split '\''sub dir/'\'' into commit '\''$SPLIT'\''"
662 )
663 '
664
665 test_expect_success 'split then pull "sub dir"/ with --rejoin and --squash' '
666 # 1. "add"
667 subtree_test_create_repo "$test_count" &&
668 subtree_test_create_repo "$test_count/sub proj" &&
669 test_create_commit "$test_count" main1 &&
670 test_create_commit "$test_count/sub proj" sub1 &&
671 git -C "$test_count" subtree --prefix="sub dir" add --squash ./"sub proj" HEAD &&
672
673 # 2. commit from parent
674 test_create_commit "$test_count" "sub dir"/main-sub1 &&
675
676 # 3. "split --rejoin --squash"
677 git -C "$test_count" subtree --prefix="sub dir" split --rejoin --squash &&
678
679 # 4. "pull --squash"
680 test_create_commit "$test_count/sub proj" sub2 &&
681 git -C "$test_count" subtree -d --prefix="sub dir" pull --squash ./"sub proj" HEAD &&
682
683 test_must_fail git merge-base HEAD FETCH_HEAD
684 '
685
686 test_expect_success 'split "sub dir"/ with --branch' '
687 subtree_test_create_repo "$test_count" &&
688 subtree_test_create_repo "$test_count/sub proj" &&
689 test_create_commit "$test_count" main1 &&
690 test_create_commit "$test_count/sub proj" sub1 &&
691 (
692 cd "$test_count" &&
693 git fetch ./"sub proj" HEAD &&
694 git subtree add --prefix="sub dir" FETCH_HEAD
695 ) &&
696 test_create_commit "$test_count" "sub dir"/main-sub1 &&
697 test_create_commit "$test_count" main2 &&
698 test_create_commit "$test_count/sub proj" sub2 &&
699 test_create_commit "$test_count" "sub dir"/main-sub2 &&
700 (
701 cd "$test_count" &&
702 git fetch ./"sub proj" HEAD &&
703 git subtree merge --prefix="sub dir" FETCH_HEAD &&
704 split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
705 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br &&
706 test "$(git rev-parse subproj-br)" = "$split_hash"
707 )
708 '
709
710 test_expect_success 'check hash of split' '
711 subtree_test_create_repo "$test_count" &&
712 subtree_test_create_repo "$test_count/sub proj" &&
713 test_create_commit "$test_count" main1 &&
714 test_create_commit "$test_count/sub proj" sub1 &&
715 (
716 cd "$test_count" &&
717 git fetch ./"sub proj" HEAD &&
718 git subtree add --prefix="sub dir" FETCH_HEAD
719 ) &&
720 test_create_commit "$test_count" "sub dir"/main-sub1 &&
721 test_create_commit "$test_count" main2 &&
722 test_create_commit "$test_count/sub proj" sub2 &&
723 test_create_commit "$test_count" "sub dir"/main-sub2 &&
724 (
725 cd "$test_count" &&
726 git fetch ./"sub proj" HEAD &&
727 git subtree merge --prefix="sub dir" FETCH_HEAD &&
728 split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
729 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br &&
730 test "$(git rev-parse subproj-br)" = "$split_hash" &&
731 # Check hash of split
732 new_hash=$(git rev-parse subproj-br^2) &&
733 (
734 cd ./"sub proj" &&
735 subdir_hash=$(git rev-parse HEAD) &&
736 test "$new_hash" = "$subdir_hash"
737 )
738 )
739 '
740
741 test_expect_success 'split "sub dir"/ with --branch for an existing branch' '
742 subtree_test_create_repo "$test_count" &&
743 subtree_test_create_repo "$test_count/sub proj" &&
744 test_create_commit "$test_count" main1 &&
745 test_create_commit "$test_count/sub proj" sub1 &&
746 (
747 cd "$test_count" &&
748 git fetch ./"sub proj" HEAD &&
749 git branch subproj-br FETCH_HEAD &&
750 git subtree add --prefix="sub dir" FETCH_HEAD
751 ) &&
752 test_create_commit "$test_count" "sub dir"/main-sub1 &&
753 test_create_commit "$test_count" main2 &&
754 test_create_commit "$test_count/sub proj" sub2 &&
755 test_create_commit "$test_count" "sub dir"/main-sub2 &&
756 (
757 cd "$test_count" &&
758 git fetch ./"sub proj" HEAD &&
759 git subtree merge --prefix="sub dir" FETCH_HEAD &&
760 split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
761 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br &&
762 test "$(git rev-parse subproj-br)" = "$split_hash"
763 )
764 '
765
766 test_expect_success 'split "sub dir"/ with --branch for an incompatible branch' '
767 subtree_test_create_repo "$test_count" &&
768 subtree_test_create_repo "$test_count/sub proj" &&
769 test_create_commit "$test_count" main1 &&
770 test_create_commit "$test_count/sub proj" sub1 &&
771 (
772 cd "$test_count" &&
773 git branch init HEAD &&
774 git fetch ./"sub proj" HEAD &&
775 git subtree add --prefix="sub dir" FETCH_HEAD
776 ) &&
777 test_create_commit "$test_count" "sub dir"/main-sub1 &&
778 test_create_commit "$test_count" main2 &&
779 test_create_commit "$test_count/sub proj" sub2 &&
780 test_create_commit "$test_count" "sub dir"/main-sub2 &&
781 (
782 cd "$test_count" &&
783 git fetch ./"sub proj" HEAD &&
784 git subtree merge --prefix="sub dir" FETCH_HEAD &&
785 test_must_fail git subtree split --prefix="sub dir" --branch init
786 )
787 '
788
789 test_expect_success 'split after annotated tag was added/merged with --squash pre-v2.32.0' '
790 test_create_pre2_32_repo "$test_count" &&
791 test_must_fail git -C "$test_count-clone" subtree split --prefix="sub" HEAD &&
792 git -C "$test_count-clone" subtree split --prefix="sub" HEAD "../$test_count-sub"
793 '
794
795 #
796 # Tests for 'git subtree pull'
797 #
798
799 test_expect_success 'pull requires option --prefix' '
800 subtree_test_create_repo "$test_count" &&
801 subtree_test_create_repo "$test_count/sub proj" &&
802 test_create_commit "$test_count" main1 &&
803 test_create_commit "$test_count/sub proj" sub1 &&
804 (
805 cd "$test_count" &&
806 git fetch ./"sub proj" HEAD &&
807 git subtree add --prefix="sub dir" FETCH_HEAD
808 ) &&
809 test_create_commit "$test_count/sub proj" sub2 &&
810 (
811 cd "$test_count" &&
812 test_must_fail git subtree pull ./"sub proj" HEAD >out 2>err &&
813
814 echo "fatal: you must provide the --prefix option." >expected &&
815 test_must_be_empty out &&
816 test_cmp expected err
817 )
818 '
819
820 test_expect_success 'pull requires path given by option --prefix must exist' '
821 subtree_test_create_repo "$test_count" &&
822 subtree_test_create_repo "$test_count/sub proj" &&
823 test_create_commit "$test_count" main1 &&
824 test_create_commit "$test_count/sub proj" sub1 &&
825 (
826 test_must_fail git subtree pull --prefix="sub dir" ./"sub proj" HEAD >out 2>err &&
827
828 echo "fatal: '\''sub dir'\'' does not exist; use '\''git subtree add'\''" >expected &&
829 test_must_be_empty out &&
830 test_cmp expected err
831 )
832 '
833
834 test_expect_success 'pull basic operation' '
835 subtree_test_create_repo "$test_count" &&
836 subtree_test_create_repo "$test_count/sub proj" &&
837 test_create_commit "$test_count" main1 &&
838 test_create_commit "$test_count/sub proj" sub1 &&
839 (
840 cd "$test_count" &&
841 git fetch ./"sub proj" HEAD &&
842 git subtree add --prefix="sub dir" FETCH_HEAD
843 ) &&
844 test_create_commit "$test_count/sub proj" sub2 &&
845 (
846 cd "$test_count" &&
847 exp=$(git -C "sub proj" rev-parse --verify HEAD:) &&
848 git subtree pull --prefix="sub dir" ./"sub proj" HEAD &&
849 act=$(git rev-parse --verify HEAD:"sub dir") &&
850 test "$act" = "$exp"
851 )
852 '
853
854 test_expect_success 'pull rejects flags for split' '
855 subtree_test_create_repo "$test_count" &&
856 subtree_test_create_repo "$test_count/sub proj" &&
857 test_create_commit "$test_count" main1 &&
858 test_create_commit "$test_count/sub proj" sub1 &&
859 (
860 cd "$test_count" &&
861 git fetch ./"sub proj" HEAD &&
862 git subtree add --prefix="sub dir" FETCH_HEAD
863 ) &&
864 test_create_commit "$test_count/sub proj" sub2 &&
865 (
866 test_must_fail git subtree pull --prefix="sub dir" --annotate=foo ./"sub proj" HEAD &&
867 test_must_fail git subtree pull --prefix="sub dir" --branch=foo ./"sub proj" HEAD &&
868 test_must_fail git subtree pull --prefix="sub dir" --ignore-joins ./"sub proj" HEAD &&
869 test_must_fail git subtree pull --prefix="sub dir" --onto=foo ./"sub proj" HEAD &&
870 test_must_fail git subtree pull --prefix="sub dir" --rejoin ./"sub proj" HEAD
871 )
872 '
873
874 test_expect_success 'pull with --squash after annotated tag was added/merged with --squash pre-v2.32.0 ' '
875 test_create_pre2_32_repo "$test_count" &&
876 git -C "$test_count-clone" subtree -d pull --prefix="sub" --squash "../$test_count-sub" sub2
877 '
878
879 #
880 # Tests for 'git subtree push'
881 #
882
883 test_expect_success 'push requires option --prefix' '
884 subtree_test_create_repo "$test_count" &&
885 subtree_test_create_repo "$test_count/sub proj" &&
886 test_create_commit "$test_count" main1 &&
887 test_create_commit "$test_count/sub proj" sub1 &&
888 (
889 cd "$test_count" &&
890 git fetch ./"sub proj" HEAD &&
891 git subtree add --prefix="sub dir" FETCH_HEAD &&
892 echo "fatal: you must provide the --prefix option." >expected &&
893 test_must_fail git subtree push "./sub proj" from-mainline >actual 2>&1 &&
894 test_debug "printf '"expected: "'" &&
895 test_debug "cat expected" &&
896 test_debug "printf '"actual: "'" &&
897 test_debug "cat actual" &&
898 test_cmp expected actual
899 )
900 '
901
902 test_expect_success 'push requires path given by option --prefix must exist' '
903 subtree_test_create_repo "$test_count" &&
904 subtree_test_create_repo "$test_count/sub proj" &&
905 test_create_commit "$test_count" main1 &&
906 test_create_commit "$test_count/sub proj" sub1 &&
907 (
908 cd "$test_count" &&
909 git fetch ./"sub proj" HEAD &&
910 git subtree add --prefix="sub dir" FETCH_HEAD &&
911 echo "fatal: '\''non-existent-directory'\'' does not exist; use '\''git subtree add'\''" >expected &&
912 test_must_fail git subtree push --prefix=non-existent-directory "./sub proj" from-mainline >actual 2>&1 &&
913 test_debug "printf '"expected: "'" &&
914 test_debug "cat expected" &&
915 test_debug "printf '"actual: "'" &&
916 test_debug "cat actual" &&
917 test_cmp expected actual
918 )
919 '
920
921 test_expect_success 'push rejects flags for add' '
922 subtree_test_create_repo "$test_count" &&
923 subtree_test_create_repo "$test_count/sub proj" &&
924 test_create_commit "$test_count" main1 &&
925 test_create_commit "$test_count/sub proj" sub1 &&
926 (
927 cd "$test_count" &&
928 git fetch ./"sub proj" HEAD &&
929 git subtree add --prefix="sub dir" FETCH_HEAD
930 ) &&
931 test_create_commit "$test_count" "sub dir"/main-sub1 &&
932 test_create_commit "$test_count" main2 &&
933 test_create_commit "$test_count/sub proj" sub2 &&
934 test_create_commit "$test_count" "sub dir"/main-sub2 &&
935 (
936 cd "$test_count" &&
937 git fetch ./"sub proj" HEAD &&
938 git subtree merge --prefix="sub dir" FETCH_HEAD &&
939 test_wrong_flag git subtree split --prefix="sub dir" --squash ./"sub proj" from-mainline &&
940 test_wrong_flag git subtree split --prefix="sub dir" --message=foo ./"sub proj" from-mainline
941 )
942 '
943
944 test_expect_success 'push basic operation' '
945 subtree_test_create_repo "$test_count" &&
946 subtree_test_create_repo "$test_count/sub proj" &&
947 test_create_commit "$test_count" main1 &&
948 test_create_commit "$test_count/sub proj" sub1 &&
949 (
950 cd "$test_count" &&
951 git fetch ./"sub proj" HEAD &&
952 git subtree add --prefix="sub dir" FETCH_HEAD
953 ) &&
954 test_create_commit "$test_count" "sub dir"/main-sub1 &&
955 test_create_commit "$test_count" main2 &&
956 test_create_commit "$test_count/sub proj" sub2 &&
957 test_create_commit "$test_count" "sub dir"/main-sub2 &&
958 (
959 cd "$test_count" &&
960 git fetch ./"sub proj" HEAD &&
961 git subtree merge --prefix="sub dir" FETCH_HEAD &&
962 before=$(git rev-parse --verify HEAD) &&
963 split_hash=$(git subtree split --prefix="sub dir") &&
964 git subtree push --prefix="sub dir" ./"sub proj" from-mainline &&
965 test "$before" = "$(git rev-parse --verify HEAD)" &&
966 test "$split_hash" = "$(git -C "sub proj" rev-parse --verify refs/heads/from-mainline)"
967 )
968 '
969
970 test_expect_success 'push sub dir/ with --rejoin' '
971 subtree_test_create_repo "$test_count" &&
972 subtree_test_create_repo "$test_count/sub proj" &&
973 test_create_commit "$test_count" main1 &&
974 test_create_commit "$test_count/sub proj" sub1 &&
975 (
976 cd "$test_count" &&
977 git fetch ./"sub proj" HEAD &&
978 git subtree add --prefix="sub dir" FETCH_HEAD
979 ) &&
980 test_create_commit "$test_count" "sub dir"/main-sub1 &&
981 test_create_commit "$test_count" main2 &&
982 test_create_commit "$test_count/sub proj" sub2 &&
983 test_create_commit "$test_count" "sub dir"/main-sub2 &&
984 (
985 cd "$test_count" &&
986 git fetch ./"sub proj" HEAD &&
987 git subtree merge --prefix="sub dir" FETCH_HEAD &&
988 split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
989 git subtree push --prefix="sub dir" --annotate="*" --rejoin ./"sub proj" from-mainline &&
990 test "$(last_commit_subject)" = "Split '\''sub dir/'\'' into commit '\''$split_hash'\''" &&
991 test "$split_hash" = "$(git -C "sub proj" rev-parse --verify refs/heads/from-mainline)"
992 )
993 '
994
995 test_expect_success 'push sub dir/ with --rejoin from scratch' '
996 subtree_test_create_repo "$test_count" &&
997 test_create_commit "$test_count" main1 &&
998 (
999 cd "$test_count" &&
1000 mkdir "sub dir" &&
1001 echo file >"sub dir"/file &&
1002 git add "sub dir/file" &&
1003 git commit -m"sub dir file" &&
1004 split_hash=$(git subtree split --prefix="sub dir" --rejoin) &&
1005 git init --bare "sub proj.git" &&
1006 git subtree push --prefix="sub dir" --rejoin ./"sub proj.git" from-mainline &&
1007 test "$(last_commit_subject)" = "Split '\''sub dir/'\'' into commit '\''$split_hash'\''" &&
1008 test "$split_hash" = "$(git -C "sub proj.git" rev-parse --verify refs/heads/from-mainline)"
1009 )
1010 '
1011
1012 test_expect_success 'push sub dir/ with --rejoin and --message' '
1013 subtree_test_create_repo "$test_count" &&
1014 subtree_test_create_repo "$test_count/sub proj" &&
1015 test_create_commit "$test_count" main1 &&
1016 test_create_commit "$test_count/sub proj" sub1 &&
1017 (
1018 cd "$test_count" &&
1019 git fetch ./"sub proj" HEAD &&
1020 git subtree add --prefix="sub dir" FETCH_HEAD
1021 ) &&
1022 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1023 test_create_commit "$test_count" main2 &&
1024 test_create_commit "$test_count/sub proj" sub2 &&
1025 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1026 (
1027 cd "$test_count" &&
1028 git fetch ./"sub proj" HEAD &&
1029 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1030 git subtree push --prefix="sub dir" --message="Split & rejoin" --annotate="*" --rejoin ./"sub proj" from-mainline &&
1031 test "$(last_commit_subject)" = "Split & rejoin" &&
1032 split_hash="$(git rev-parse --verify HEAD^2)" &&
1033 test "$split_hash" = "$(git -C "sub proj" rev-parse --verify refs/heads/from-mainline)"
1034 )
1035 '
1036
1037 test_expect_success 'push "sub dir"/ with --rejoin and --squash' '
1038 subtree_test_create_repo "$test_count" &&
1039 subtree_test_create_repo "$test_count/sub proj" &&
1040 test_create_commit "$test_count" main1 &&
1041 test_create_commit "$test_count/sub proj" sub1 &&
1042 (
1043 cd "$test_count" &&
1044 git fetch ./"sub proj" HEAD &&
1045 git subtree add --prefix="sub dir" --squash FETCH_HEAD
1046 ) &&
1047 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1048 test_create_commit "$test_count" main2 &&
1049 test_create_commit "$test_count/sub proj" sub2 &&
1050 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1051 (
1052 cd "$test_count" &&
1053 git subtree pull --prefix="sub dir" --squash ./"sub proj" HEAD &&
1054 MAIN=$(git rev-parse --verify HEAD) &&
1055 SUB=$(git -C "sub proj" rev-parse --verify HEAD) &&
1056
1057 SPLIT=$(git subtree split --prefix="sub dir" --annotate="*") &&
1058 git subtree push --prefix="sub dir" --annotate="*" --rejoin --squash ./"sub proj" from-mainline &&
1059
1060 test_must_fail git merge-base --is-ancestor $SUB HEAD &&
1061 test_must_fail git merge-base --is-ancestor $SPLIT HEAD &&
1062 git rev-list HEAD ^$MAIN >commit-list &&
1063 test_line_count = 2 commit-list &&
1064 test "$(git rev-parse --verify HEAD:)" = "$(git rev-parse --verify $MAIN:)" &&
1065 test "$(git rev-parse --verify HEAD:"sub dir")" = "$(git rev-parse --verify $SPLIT:)" &&
1066 test "$(git rev-parse --verify HEAD^1)" = $MAIN &&
1067 test "$(git rev-parse --verify HEAD^2)" != $SPLIT &&
1068 test "$(git rev-parse --verify HEAD^2:)" = "$(git rev-parse --verify $SPLIT:)" &&
1069 test "$(last_commit_subject)" = "Split '\''sub dir/'\'' into commit '\''$SPLIT'\''" &&
1070 test "$SPLIT" = "$(git -C "sub proj" rev-parse --verify refs/heads/from-mainline)"
1071 )
1072 '
1073
1074 test_expect_success 'push "sub dir"/ with --branch' '
1075 subtree_test_create_repo "$test_count" &&
1076 subtree_test_create_repo "$test_count/sub proj" &&
1077 test_create_commit "$test_count" main1 &&
1078 test_create_commit "$test_count/sub proj" sub1 &&
1079 (
1080 cd "$test_count" &&
1081 git fetch ./"sub proj" HEAD &&
1082 git subtree add --prefix="sub dir" FETCH_HEAD
1083 ) &&
1084 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1085 test_create_commit "$test_count" main2 &&
1086 test_create_commit "$test_count/sub proj" sub2 &&
1087 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1088 (
1089 cd "$test_count" &&
1090 git fetch ./"sub proj" HEAD &&
1091 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1092 split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
1093 git subtree push --prefix="sub dir" --annotate="*" --branch subproj-br ./"sub proj" from-mainline &&
1094 test "$(git rev-parse subproj-br)" = "$split_hash" &&
1095 test "$split_hash" = "$(git -C "sub proj" rev-parse --verify refs/heads/from-mainline)"
1096 )
1097 '
1098
1099 test_expect_success 'check hash of push' '
1100 subtree_test_create_repo "$test_count" &&
1101 subtree_test_create_repo "$test_count/sub proj" &&
1102 test_create_commit "$test_count" main1 &&
1103 test_create_commit "$test_count/sub proj" sub1 &&
1104 (
1105 cd "$test_count" &&
1106 git fetch ./"sub proj" HEAD &&
1107 git subtree add --prefix="sub dir" FETCH_HEAD
1108 ) &&
1109 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1110 test_create_commit "$test_count" main2 &&
1111 test_create_commit "$test_count/sub proj" sub2 &&
1112 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1113 (
1114 cd "$test_count" &&
1115 git fetch ./"sub proj" HEAD &&
1116 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1117 split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
1118 git subtree push --prefix="sub dir" --annotate="*" --branch subproj-br ./"sub proj" from-mainline &&
1119 test "$(git rev-parse subproj-br)" = "$split_hash" &&
1120 # Check hash of split
1121 new_hash=$(git rev-parse subproj-br^2) &&
1122 (
1123 cd ./"sub proj" &&
1124 subdir_hash=$(git rev-parse HEAD) &&
1125 test "$new_hash" = "$subdir_hash"
1126 ) &&
1127 test "$split_hash" = "$(git -C "sub proj" rev-parse --verify refs/heads/from-mainline)"
1128 )
1129 '
1130
1131 test_expect_success 'push "sub dir"/ with --branch for an existing branch' '
1132 subtree_test_create_repo "$test_count" &&
1133 subtree_test_create_repo "$test_count/sub proj" &&
1134 test_create_commit "$test_count" main1 &&
1135 test_create_commit "$test_count/sub proj" sub1 &&
1136 (
1137 cd "$test_count" &&
1138 git fetch ./"sub proj" HEAD &&
1139 git branch subproj-br FETCH_HEAD &&
1140 git subtree add --prefix="sub dir" FETCH_HEAD
1141 ) &&
1142 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1143 test_create_commit "$test_count" main2 &&
1144 test_create_commit "$test_count/sub proj" sub2 &&
1145 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1146 (
1147 cd "$test_count" &&
1148 git fetch ./"sub proj" HEAD &&
1149 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1150 split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
1151 git subtree push --prefix="sub dir" --annotate="*" --branch subproj-br ./"sub proj" from-mainline &&
1152 test "$(git rev-parse subproj-br)" = "$split_hash" &&
1153 test "$split_hash" = "$(git -C "sub proj" rev-parse --verify refs/heads/from-mainline)"
1154 )
1155 '
1156
1157 test_expect_success 'push "sub dir"/ with --branch for an incompatible branch' '
1158 subtree_test_create_repo "$test_count" &&
1159 subtree_test_create_repo "$test_count/sub proj" &&
1160 test_create_commit "$test_count" main1 &&
1161 test_create_commit "$test_count/sub proj" sub1 &&
1162 (
1163 cd "$test_count" &&
1164 git branch init HEAD &&
1165 git fetch ./"sub proj" HEAD &&
1166 git subtree add --prefix="sub dir" FETCH_HEAD
1167 ) &&
1168 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1169 test_create_commit "$test_count" main2 &&
1170 test_create_commit "$test_count/sub proj" sub2 &&
1171 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1172 (
1173 cd "$test_count" &&
1174 git fetch ./"sub proj" HEAD &&
1175 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1176 test_must_fail git subtree push --prefix="sub dir" --branch init "./sub proj" from-mainline
1177 )
1178 '
1179
1180 test_expect_success 'push "sub dir"/ with a local rev' '
1181 subtree_test_create_repo "$test_count" &&
1182 subtree_test_create_repo "$test_count/sub proj" &&
1183 test_create_commit "$test_count" main1 &&
1184 test_create_commit "$test_count/sub proj" sub1 &&
1185 (
1186 cd "$test_count" &&
1187 git fetch ./"sub proj" HEAD &&
1188 git subtree add --prefix="sub dir" FETCH_HEAD
1189 ) &&
1190 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1191 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1192 (
1193 cd "$test_count" &&
1194 bad_tree=$(git rev-parse --verify HEAD:"sub dir") &&
1195 good_tree=$(git rev-parse --verify HEAD^:"sub dir") &&
1196 git subtree push --prefix="sub dir" --annotate="*" ./"sub proj" HEAD^:from-mainline &&
1197 split_tree=$(git -C "sub proj" rev-parse --verify refs/heads/from-mainline:) &&
1198 test "$split_tree" = "$good_tree"
1199 )
1200 '
1201
1202 test_expect_success 'push after annotated tag was added/merged with --squash pre-v2.32.0' '
1203 test_create_pre2_32_repo "$test_count" &&
1204 test_create_commit "$test_count-clone" sub/main-sub1 &&
1205 git -C "$test_count-clone" subtree push --prefix="sub" "../$test_count-sub" from-mainline
1206 '
1207
1208 #
1209 # Validity checking
1210 #
1211
1212 test_expect_success 'make sure exactly the right set of files ends up in the subproj' '
1213 subtree_test_create_repo "$test_count" &&
1214 subtree_test_create_repo "$test_count/sub proj" &&
1215 test_create_commit "$test_count" main1 &&
1216 test_create_commit "$test_count/sub proj" sub1 &&
1217 (
1218 cd "$test_count" &&
1219 git fetch ./"sub proj" HEAD &&
1220 git subtree add --prefix="sub dir" FETCH_HEAD
1221 ) &&
1222 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1223 test_create_commit "$test_count" main2 &&
1224 test_create_commit "$test_count/sub proj" sub2 &&
1225 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1226 (
1227 cd "$test_count" &&
1228 git fetch ./"sub proj" HEAD &&
1229 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1230 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1231 ) &&
1232 test_create_commit "$test_count/sub proj" sub3 &&
1233 test_create_commit "$test_count" "sub dir"/main-sub3 &&
1234 (
1235 cd "$test_count/sub proj" &&
1236 git fetch .. subproj-br &&
1237 git merge FETCH_HEAD
1238 ) &&
1239 test_create_commit "$test_count/sub proj" sub4 &&
1240 (
1241 cd "$test_count" &&
1242 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1243 ) &&
1244 test_create_commit "$test_count" "sub dir"/main-sub4 &&
1245 (
1246 cd "$test_count" &&
1247 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1248 ) &&
1249 (
1250 cd "$test_count/sub proj" &&
1251 git fetch .. subproj-br &&
1252 git merge FETCH_HEAD &&
1253
1254 test_write_lines main-sub1 main-sub2 main-sub3 main-sub4 \
1255 sub1 sub2 sub3 sub4 >expect &&
1256 git ls-files >actual &&
1257 test_cmp expect actual
1258 )
1259 '
1260
1261 test_expect_success 'make sure the subproj *only* contains commits that affect the "sub dir"' '
1262 subtree_test_create_repo "$test_count" &&
1263 subtree_test_create_repo "$test_count/sub proj" &&
1264 test_create_commit "$test_count" main1 &&
1265 test_create_commit "$test_count/sub proj" sub1 &&
1266 (
1267 cd "$test_count" &&
1268 git fetch ./"sub proj" HEAD &&
1269 git subtree add --prefix="sub dir" FETCH_HEAD
1270 ) &&
1271 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1272 test_create_commit "$test_count" main2 &&
1273 test_create_commit "$test_count/sub proj" sub2 &&
1274 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1275 (
1276 cd "$test_count" &&
1277 git fetch ./"sub proj" HEAD &&
1278 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1279 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1280 ) &&
1281 test_create_commit "$test_count/sub proj" sub3 &&
1282 test_create_commit "$test_count" "sub dir"/main-sub3 &&
1283 (
1284 cd "$test_count/sub proj" &&
1285 git fetch .. subproj-br &&
1286 git merge FETCH_HEAD
1287 ) &&
1288 test_create_commit "$test_count/sub proj" sub4 &&
1289 (
1290 cd "$test_count" &&
1291 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1292 ) &&
1293 test_create_commit "$test_count" "sub dir"/main-sub4 &&
1294 (
1295 cd "$test_count" &&
1296 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1297 ) &&
1298 (
1299 cd "$test_count/sub proj" &&
1300 git fetch .. subproj-br &&
1301 git merge FETCH_HEAD &&
1302
1303 test_write_lines main-sub1 main-sub2 main-sub3 main-sub4 \
1304 sub1 sub2 sub3 sub4 >expect &&
1305 git log --name-only --pretty=format:"" >log &&
1306 sort <log | sed "/^\$/ d" >actual &&
1307 test_cmp expect actual
1308 )
1309 '
1310
1311 test_expect_success 'make sure exactly the right set of files ends up in the mainline' '
1312 subtree_test_create_repo "$test_count" &&
1313 subtree_test_create_repo "$test_count/sub proj" &&
1314 test_create_commit "$test_count" main1 &&
1315 test_create_commit "$test_count/sub proj" sub1 &&
1316 (
1317 cd "$test_count" &&
1318 git fetch ./"sub proj" HEAD &&
1319 git subtree add --prefix="sub dir" FETCH_HEAD
1320 ) &&
1321 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1322 test_create_commit "$test_count" main2 &&
1323 test_create_commit "$test_count/sub proj" sub2 &&
1324 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1325 (
1326 cd "$test_count" &&
1327 git fetch ./"sub proj" HEAD &&
1328 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1329 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1330 ) &&
1331 test_create_commit "$test_count/sub proj" sub3 &&
1332 test_create_commit "$test_count" "sub dir"/main-sub3 &&
1333 (
1334 cd "$test_count/sub proj" &&
1335 git fetch .. subproj-br &&
1336 git merge FETCH_HEAD
1337 ) &&
1338 test_create_commit "$test_count/sub proj" sub4 &&
1339 (
1340 cd "$test_count" &&
1341 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1342 ) &&
1343 test_create_commit "$test_count" "sub dir"/main-sub4 &&
1344 (
1345 cd "$test_count" &&
1346 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1347 ) &&
1348 (
1349 cd "$test_count/sub proj" &&
1350 git fetch .. subproj-br &&
1351 git merge FETCH_HEAD
1352 ) &&
1353 (
1354 cd "$test_count" &&
1355 git subtree pull --prefix="sub dir" ./"sub proj" HEAD &&
1356
1357 test_write_lines main1 main2 >chkm &&
1358 test_write_lines main-sub1 main-sub2 main-sub3 main-sub4 >chkms &&
1359 sed "s,^,sub dir/," chkms >chkms_sub &&
1360 test_write_lines sub1 sub2 sub3 sub4 >chks &&
1361 sed "s,^,sub dir/," chks >chks_sub &&
1362
1363 cat chkm chkms_sub chks_sub >expect &&
1364 git ls-files >actual &&
1365 test_cmp expect actual
1366 )
1367 '
1368
1369 test_expect_success 'make sure each filename changed exactly once in the entire history' '
1370 subtree_test_create_repo "$test_count" &&
1371 subtree_test_create_repo "$test_count/sub proj" &&
1372 test_create_commit "$test_count" main1 &&
1373 test_create_commit "$test_count/sub proj" sub1 &&
1374 (
1375 cd "$test_count" &&
1376 git config log.date relative &&
1377 git fetch ./"sub proj" HEAD &&
1378 git subtree add --prefix="sub dir" FETCH_HEAD
1379 ) &&
1380 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1381 test_create_commit "$test_count" main2 &&
1382 test_create_commit "$test_count/sub proj" sub2 &&
1383 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1384 (
1385 cd "$test_count" &&
1386 git fetch ./"sub proj" HEAD &&
1387 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1388 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1389 ) &&
1390 test_create_commit "$test_count/sub proj" sub3 &&
1391 test_create_commit "$test_count" "sub dir"/main-sub3 &&
1392 (
1393 cd "$test_count/sub proj" &&
1394 git fetch .. subproj-br &&
1395 git merge FETCH_HEAD
1396 ) &&
1397 test_create_commit "$test_count/sub proj" sub4 &&
1398 (
1399 cd "$test_count" &&
1400 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1401 ) &&
1402 test_create_commit "$test_count" "sub dir"/main-sub4 &&
1403 (
1404 cd "$test_count" &&
1405 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1406 ) &&
1407 (
1408 cd "$test_count/sub proj" &&
1409 git fetch .. subproj-br &&
1410 git merge FETCH_HEAD
1411 ) &&
1412 (
1413 cd "$test_count" &&
1414 git subtree pull --prefix="sub dir" ./"sub proj" HEAD &&
1415
1416 test_write_lines main1 main2 >chkm &&
1417 test_write_lines sub1 sub2 sub3 sub4 >chks &&
1418 test_write_lines main-sub1 main-sub2 main-sub3 main-sub4 >chkms &&
1419 sed "s,^,sub dir/," chkms >chkms_sub &&
1420
1421 # main-sub?? and /"sub dir"/main-sub?? both change, because those are the
1422 # changes that were split into their own history. And "sub dir"/sub?? never
1423 # change, since they were *only* changed in the subtree branch.
1424 git log --name-only --pretty=format:"" >log &&
1425 sort <log >sorted-log &&
1426 sed "/^$/ d" sorted-log >actual &&
1427
1428 cat chkms chkm chks chkms_sub >expect-unsorted &&
1429 sort expect-unsorted >expect &&
1430 test_cmp expect actual
1431 )
1432 '
1433
1434 test_expect_success 'make sure the --rejoin commits never make it into subproj' '
1435 subtree_test_create_repo "$test_count" &&
1436 subtree_test_create_repo "$test_count/sub proj" &&
1437 test_create_commit "$test_count" main1 &&
1438 test_create_commit "$test_count/sub proj" sub1 &&
1439 (
1440 cd "$test_count" &&
1441 git fetch ./"sub proj" HEAD &&
1442 git subtree add --prefix="sub dir" FETCH_HEAD
1443 ) &&
1444 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1445 test_create_commit "$test_count" main2 &&
1446 test_create_commit "$test_count/sub proj" sub2 &&
1447 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1448 (
1449 cd "$test_count" &&
1450 git fetch ./"sub proj" HEAD &&
1451 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1452 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1453 ) &&
1454 test_create_commit "$test_count/sub proj" sub3 &&
1455 test_create_commit "$test_count" "sub dir"/main-sub3 &&
1456 (
1457 cd "$test_count/sub proj" &&
1458 git fetch .. subproj-br &&
1459 git merge FETCH_HEAD
1460 ) &&
1461 test_create_commit "$test_count/sub proj" sub4 &&
1462 (
1463 cd "$test_count" &&
1464 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1465 ) &&
1466 test_create_commit "$test_count" "sub dir"/main-sub4 &&
1467 (
1468 cd "$test_count" &&
1469 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1470 ) &&
1471 (
1472 cd "$test_count/sub proj" &&
1473 git fetch .. subproj-br &&
1474 git merge FETCH_HEAD
1475 ) &&
1476 (
1477 cd "$test_count" &&
1478 git subtree pull --prefix="sub dir" ./"sub proj" HEAD &&
1479 test "$(git log --pretty=format:"%s" HEAD^2 | grep -i split)" = ""
1480 )
1481 '
1482
1483 test_expect_success 'make sure no "git subtree" tagged commits make it into subproj' '
1484 subtree_test_create_repo "$test_count" &&
1485 subtree_test_create_repo "$test_count/sub proj" &&
1486 test_create_commit "$test_count" main1 &&
1487 test_create_commit "$test_count/sub proj" sub1 &&
1488 (
1489 cd "$test_count" &&
1490 git fetch ./"sub proj" HEAD &&
1491 git subtree add --prefix="sub dir" FETCH_HEAD
1492 ) &&
1493 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1494 test_create_commit "$test_count" main2 &&
1495 test_create_commit "$test_count/sub proj" sub2 &&
1496 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1497 (
1498 cd "$test_count" &&
1499 git fetch ./"sub proj" HEAD &&
1500 git subtree merge --prefix="sub dir" FETCH_HEAD &&
1501 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1502 ) &&
1503 test_create_commit "$test_count/sub proj" sub3 &&
1504 test_create_commit "$test_count" "sub dir"/main-sub3 &&
1505 (
1506 cd "$test_count/sub proj" &&
1507 git fetch .. subproj-br &&
1508 git merge FETCH_HEAD
1509 ) &&
1510 test_create_commit "$test_count/sub proj" sub4 &&
1511 (
1512 cd "$test_count" &&
1513 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1514 ) &&
1515 test_create_commit "$test_count" "sub dir"/main-sub4 &&
1516 (
1517 cd "$test_count" &&
1518 git subtree split --prefix="sub dir" --annotate="*" --branch subproj-br --rejoin
1519 ) &&
1520 (
1521 cd "$test_count/sub proj" &&
1522 git fetch .. subproj-br &&
1523 git merge FETCH_HEAD
1524 ) &&
1525 (
1526 cd "$test_count" &&
1527 git subtree pull --prefix="sub dir" ./"sub proj" HEAD &&
1528
1529 # They are meaningless to subproj since one side of the merge refers to the mainline
1530 test "$(git log --pretty=format:"%s%n%b" HEAD^2 | grep "git-subtree.*:")" = ""
1531 )
1532 '
1533
1534 #
1535 # A new set of tests
1536 #
1537
1538 test_expect_success 'make sure "git subtree split" find the correct parent' '
1539 subtree_test_create_repo "$test_count" &&
1540 subtree_test_create_repo "$test_count/sub proj" &&
1541 test_create_commit "$test_count" main1 &&
1542 test_create_commit "$test_count/sub proj" sub1 &&
1543 (
1544 cd "$test_count" &&
1545 git fetch ./"sub proj" HEAD &&
1546 git subtree add --prefix="sub dir" FETCH_HEAD
1547 ) &&
1548 test_create_commit "$test_count/sub proj" sub2 &&
1549 (
1550 cd "$test_count" &&
1551 git fetch ./"sub proj" HEAD &&
1552 git branch subproj-ref FETCH_HEAD &&
1553 git subtree merge --prefix="sub dir" FETCH_HEAD
1554 ) &&
1555 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1556 (
1557 cd "$test_count" &&
1558 git subtree split --prefix="sub dir" --branch subproj-br &&
1559
1560 # at this point, the new commit parent should be subproj-ref, if it is
1561 # not, something went wrong (the "newparent" of "HEAD~" commit should
1562 # have been sub2, but it was not, because its cache was not set to
1563 # itself)
1564 test "$(git log --pretty=format:%P -1 subproj-br)" = "$(git rev-parse subproj-ref)"
1565 )
1566 '
1567
1568 test_expect_success 'split a new subtree without --onto option' '
1569 subtree_test_create_repo "$test_count" &&
1570 subtree_test_create_repo "$test_count/sub proj" &&
1571 test_create_commit "$test_count" main1 &&
1572 test_create_commit "$test_count/sub proj" sub1 &&
1573 (
1574 cd "$test_count" &&
1575 git fetch ./"sub proj" HEAD &&
1576 git subtree add --prefix="sub dir" FETCH_HEAD
1577 ) &&
1578 test_create_commit "$test_count/sub proj" sub2 &&
1579 (
1580 cd "$test_count" &&
1581 git fetch ./"sub proj" HEAD &&
1582 git subtree merge --prefix="sub dir" FETCH_HEAD
1583 ) &&
1584 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1585 (
1586 cd "$test_count" &&
1587 git subtree split --prefix="sub dir" --branch subproj-br
1588 ) &&
1589 mkdir "$test_count"/"sub dir2" &&
1590 test_create_commit "$test_count" "sub dir2"/main-sub2 &&
1591 (
1592 cd "$test_count" &&
1593
1594 # also test that we still can split out an entirely new subtree
1595 # if the parent of the first commit in the tree is not empty,
1596 # then the new subtree has accidentally been attached to something
1597 git subtree split --prefix="sub dir2" --branch subproj2-br &&
1598 test "$(git log --pretty=format:%P -1 subproj2-br)" = ""
1599 )
1600 '
1601
1602 test_expect_success 'verify one file change per commit' '
1603 subtree_test_create_repo "$test_count" &&
1604 subtree_test_create_repo "$test_count/sub proj" &&
1605 test_create_commit "$test_count" main1 &&
1606 test_create_commit "$test_count/sub proj" sub1 &&
1607 (
1608 cd "$test_count" &&
1609 git fetch ./"sub proj" HEAD &&
1610 git branch sub1 FETCH_HEAD &&
1611 git subtree add --prefix="sub dir" sub1
1612 ) &&
1613 test_create_commit "$test_count/sub proj" sub2 &&
1614 (
1615 cd "$test_count" &&
1616 git fetch ./"sub proj" HEAD &&
1617 git subtree merge --prefix="sub dir" FETCH_HEAD
1618 ) &&
1619 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1620 (
1621 cd "$test_count" &&
1622 git subtree split --prefix="sub dir" --branch subproj-br
1623 ) &&
1624 mkdir "$test_count"/"sub dir2" &&
1625 test_create_commit "$test_count" "sub dir2"/main-sub2 &&
1626 (
1627 cd "$test_count" &&
1628 git subtree split --prefix="sub dir2" --branch subproj2-br &&
1629
1630 git log --format="%H" >commit-list &&
1631 while read commit
1632 do
1633 git log -n1 --format="" --name-only "$commit" >file-list &&
1634 test_line_count -le 1 file-list || return 1
1635 done <commit-list
1636 )
1637 '
1638
1639 test_expect_success 'push split to subproj' '
1640 subtree_test_create_repo "$test_count" &&
1641 subtree_test_create_repo "$test_count/sub proj" &&
1642 test_create_commit "$test_count" main1 &&
1643 test_create_commit "$test_count/sub proj" sub1 &&
1644 (
1645 cd "$test_count" &&
1646 git fetch ./"sub proj" HEAD &&
1647 git subtree add --prefix="sub dir" FETCH_HEAD
1648 ) &&
1649 test_create_commit "$test_count" "sub dir"/main-sub1 &&
1650 test_create_commit "$test_count" main2 &&
1651 test_create_commit "$test_count/sub proj" sub2 &&
1652 test_create_commit "$test_count" "sub dir"/main-sub2 &&
1653 (
1654 cd $test_count/"sub proj" &&
1655 git branch sub-branch-1 &&
1656 cd .. &&
1657 git fetch ./"sub proj" HEAD &&
1658 git subtree merge --prefix="sub dir" FETCH_HEAD
1659 ) &&
1660 test_create_commit "$test_count" "sub dir"/main-sub3 &&
1661 (
1662 cd "$test_count" &&
1663 git subtree push ./"sub proj" --prefix "sub dir" sub-branch-1 &&
1664 cd ./"sub proj" &&
1665 git checkout sub-branch-1 &&
1666 test "$(last_commit_subject)" = "sub dir/main-sub3"
1667 )
1668 '
1669
1670 # --ignore-joins must ignore mainline content outside of the
1671 # subtree. This test verifies that the logic in
1672 # `find_existing_splits()` correctly handles a `git subtree add`
1673 # In this test, the split history must not contain a commit titled
1674 #
1675 # Add 'sub/' from commit ...
1676 #
1677 # see: dd21d43b58 (subtree: make --ignore-joins pay
1678 # attention to adds, 2018-09-28)
1679 test_expect_success 'split --ignore-joins respects subtree add' '
1680 subtree_test_create_repo "$test_count" &&
1681 (
1682 cd "$test_count" &&
1683 test_commit main_must_not_be_in_subtree &&
1684 test_create_subtree_add . mksubtree sub sub1 &&
1685 test_commit sub/sub2 &&
1686 test_commit main_must_not_be_in_subtree2 &&
1687 git subtree split --prefix sub -b first_split --rejoin &&
1688 test_commit sub/sub3 &&
1689 no_ignore_joins="$(git subtree split --prefix sub -b no_ignore_joins)" &&
1690 ignore_joins="$(git subtree split --prefix sub --ignore-joins -b ignore_joins)" &&
1691 git checkout ignore_joins &&
1692 test_path_is_file sub1.t &&
1693 test_path_is_file sub2.t &&
1694 test_path_is_file sub3.t &&
1695 ! test_path_is_file main_must_not_be_in_subtree.t &&
1696 ! test_path_is_file main_must_not_be_in_subtree2.t &&
1697 test -z "$(git log -1 --grep "Add '''sub/''' from commit" ignore_joins)" &&
1698 test "$no_ignore_joins" = "$ignore_joins" &&
1699 test "$(git rev-list --count ignore_joins)" -eq 3;
1700 )
1701 '
1702
1703 # split excludes commits reachable from any previous --rejoin.
1704 # These ignored commits can still be the basis for new work
1705 # after the --rejoin. These commits must be processed, even
1706 # if they are excluded. Otherwise, the split history will be
1707 # incorrect.
1708 #
1709 # here, the merge
1710 #
1711 # git merge --no-ff new_work_based_on_prejoin
1712 #
1713 # doesn't contain any subtree changes and so should not end
1714 # up in the split history. this subtree should be flat,
1715 # with no merges.
1716 #
1717 # see: 315a84f9aa (subtree: use commits before rejoins for
1718 # splits, 2018-09-28)
1719 test_expect_success 'split links out-of-tree pre --rejoin commits with post --rejoin commits' '
1720 subtree_test_create_repo "$test_count" &&
1721 (
1722 cd "$test_count" &&
1723 test_commit main_must_not_be_in_subtree &&
1724 mkdir sub &&
1725 test_commit sub/sub1 &&
1726 test_commit sub/sub2 &&
1727 git subtree split --prefix sub --rejoin &&
1728 test "$(git rev-list --count HEAD)" -eq 6 &&
1729 git checkout sub/sub1 &&
1730 git checkout -b new_work_based_on_prejoin &&
1731 test_commit main_must_not_be_in_subtree2 &&
1732 git checkout main &&
1733 git merge --no-ff new_work_based_on_prejoin &&
1734 test_commit sub/sub3 &&
1735 git subtree split -d --prefix sub -b second_split &&
1736 git checkout second_split &&
1737 test_path_is_file sub1.t &&
1738 test_path_is_file sub2.t &&
1739 test_path_is_file sub3.t &&
1740 ! test_path_is_file main_must_not_be_in_subtree.t &&
1741 ! test_path_is_file main_must_not_be_in_subtree2.t &&
1742 test "$(git rev-list --count --merges second_split)" -eq 0 &&
1743 test "$(git rev-list --count second_split)" -eq 3;
1744 )
1745 '
1746
1747 # split must keep merge commits with unrelated histories, even
1748 # if both parents are treesame. When deciding whether or not
1749 # to eliminate a parent, copy_or_skip compares the merge-base
1750 # of each parent.
1751 #
1752 # in the split_of_merges branch:
1753 #
1754 # * expect 4 commits
1755 # * HEAD~ must be a merge
1756 #
1757 # see: 68f8ff8151 (subtree: improve decision on merges kept
1758 # in split, 2018-09-28)
1759 test_expect_success 'split preserves merges with unrelated history' '
1760 subtree_test_create_repo "$test_count" &&
1761 (
1762 cd "$test_count" &&
1763 test_commit main_must_not_be_in_subtree &&
1764 mkdir sub &&
1765 test_commit sub/sub1 &&
1766 git checkout --orphan new_history &&
1767 git checkout sub/sub1 -- . &&
1768 git add . &&
1769 git commit -m "treesame history but not a merge-base" &&
1770 git checkout main &&
1771 git merge --allow-unrelated-histories --no-ff new_history &&
1772 test "$(git rev-parse "HEAD^1^{tree}")" = "$(git rev-parse "HEAD^2^{tree}")" &&
1773 test_commit sub/sub2 &&
1774 git subtree split -d --prefix sub -b split_of_merges &&
1775 test "$(git rev-list --count split_of_merges)" -eq 4 &&
1776 test -n "$(git rev-list --merges HEAD~)";
1777 )
1778 '
1779
1780 #
1781 # This test covers 2 cases in subtree split copy_or_skip code
1782 # 1) Merges where one parent is a superset of the changes of the other
1783 # parent regarding changes to the subtree, in this case the merge
1784 # commit should be copied
1785 # 2) Merges where only one parent operate on the subtree, and the merge
1786 # commit should be skipped
1787 #
1788 # (1) is checked by ensuring subtree_tip is a descendent of subtree_branch
1789 # (2) should have a check added (not_a_subtree_change shouldn't be present
1790 # on the produced subtree)
1791 #
1792 # Other related cases which are not tested (or currently handled correctly)
1793 # - Case (1) where there are more than 2 parents, it will sometimes correctly copy
1794 # the merge, and sometimes not
1795 # - Merge commit where both parents have same tree as the merge, currently
1796 # will always be skipped, even if they reached that state via different
1797 # set of commits.
1798 #
1799
1800 test_expect_success 'subtree descendant check' '
1801 subtree_test_create_repo "$test_count" &&
1802 test_create_commit "$test_count" folder_subtree/a &&
1803 (
1804 cd "$test_count" &&
1805 git branch branch
1806 ) &&
1807 test_create_commit "$test_count" folder_subtree/0 &&
1808 test_create_commit "$test_count" folder_subtree/b &&
1809 cherry=$(cd "$test_count" && git rev-parse HEAD) &&
1810 (
1811 cd "$test_count" &&
1812 git checkout branch
1813 ) &&
1814 test_create_commit "$test_count" commit_on_branch &&
1815 (
1816 cd "$test_count" &&
1817 git cherry-pick $cherry &&
1818 git checkout main &&
1819 git merge -m "merge should be kept on subtree" branch &&
1820 git branch no_subtree_work_branch
1821 ) &&
1822 test_create_commit "$test_count" folder_subtree/d &&
1823 (
1824 cd "$test_count" &&
1825 git checkout no_subtree_work_branch
1826 ) &&
1827 test_create_commit "$test_count" not_a_subtree_change &&
1828 (
1829 cd "$test_count" &&
1830 git checkout main &&
1831 git merge -m "merge should be skipped on subtree" no_subtree_work_branch &&
1832
1833 git subtree split --prefix folder_subtree/ --branch subtree_tip main &&
1834 git subtree split --prefix folder_subtree/ --branch subtree_branch branch &&
1835 test $(git rev-list --count subtree_tip..subtree_branch) = 0
1836 )
1837 '
1838
1839 test_expect_success GPG 'add subproj with GPG signing using -S flag' '
1840 subtree_test_create_repo "$test_count" &&
1841 subtree_test_create_repo "$test_count/sub proj" &&
1842 test_create_commit "$test_count" main1 &&
1843 test_create_commit "$test_count/sub proj" sub1 &&
1844 (
1845 cd "$test_count" &&
1846 git fetch ./"sub proj" HEAD &&
1847 git subtree add --prefix="sub dir" -S FETCH_HEAD &&
1848 git verify-commit HEAD &&
1849 test "$(last_commit_subject)" = "Add '\''sub dir/'\'' from commit '\''$(git rev-parse FETCH_HEAD)'\''"
1850 )
1851 '
1852
1853 test_expect_success GPG 'add subproj with GPG signing using --gpg-sign flag' '
1854 subtree_test_create_repo "$test_count" &&
1855 subtree_test_create_repo "$test_count/sub proj" &&
1856 test_create_commit "$test_count" main1 &&
1857 test_create_commit "$test_count/sub proj" sub1 &&
1858 (
1859 cd "$test_count" &&
1860 git fetch ./"sub proj" HEAD &&
1861 git subtree add --prefix="sub dir" --gpg-sign FETCH_HEAD &&
1862 git verify-commit HEAD &&
1863 test "$(last_commit_subject)" = "Add '\''sub dir/'\'' from commit '\''$(git rev-parse FETCH_HEAD)'\''"
1864 )
1865 '
1866
1867 test_expect_success GPG 'add subproj with GPG signing using specific key ID' '
1868 subtree_test_create_repo "$test_count" &&
1869 subtree_test_create_repo "$test_count/sub proj" &&
1870 test_create_commit "$test_count" main1 &&
1871 test_create_commit "$test_count/sub proj" sub1 &&
1872 (
1873 cd "$test_count" &&
1874 git fetch ./"sub proj" HEAD &&
1875 git subtree add --prefix="sub dir" -S"$GIT_COMMITTER_EMAIL" FETCH_HEAD &&
1876 git verify-commit HEAD &&
1877 test "$(last_commit_subject)" = "Add '\''sub dir/'\'' from commit '\''$(git rev-parse FETCH_HEAD)'\''"
1878 )
1879 '
1880
1881 test_expect_success GPG 'merge with GPG signing' '
1882 subtree_test_create_repo "$test_count" &&
1883 subtree_test_create_repo "$test_count/sub proj" &&
1884 test_create_commit "$test_count" main1 &&
1885 test_create_commit "$test_count/sub proj" sub1 &&
1886 (
1887 cd "$test_count" &&
1888 git fetch ./"sub proj" HEAD &&
1889 git subtree add --prefix="sub dir" FETCH_HEAD
1890 ) &&
1891 test_create_commit "$test_count/sub proj" sub2 &&
1892 (
1893 cd "$test_count" &&
1894 git fetch ./"sub proj" HEAD &&
1895 git subtree merge --prefix="sub dir" -S FETCH_HEAD &&
1896 git verify-commit HEAD
1897 )
1898 '
1899
1900 test_expect_success GPG 'split with GPG signing and --rejoin' '
1901 subtree_test_create_repo "$test_count" &&
1902 subtree_test_create_repo "$test_count/sub proj" &&
1903 test_create_commit "$test_count" main1 &&
1904 test_create_commit "$test_count/sub proj" sub1 &&
1905 (
1906 cd "$test_count" &&
1907 git fetch ./"sub proj" HEAD &&
1908 git subtree add --prefix="sub dir" FETCH_HEAD
1909 ) &&
1910 test_create_commit "$test_count" "sub dir/main-sub1" &&
1911 (
1912 cd "$test_count" &&
1913 git subtree split --prefix="sub dir" --rejoin -S &&
1914 git verify-commit HEAD
1915 )
1916 '
1917
1918 test_expect_success GPG 'add with --squash and GPG signing' '
1919 subtree_test_create_repo "$test_count" &&
1920 subtree_test_create_repo "$test_count/sub proj" &&
1921 test_create_commit "$test_count" main1 &&
1922 test_create_commit "$test_count/sub proj" sub1 &&
1923 (
1924 cd "$test_count" &&
1925 git fetch ./"sub proj" HEAD &&
1926 git subtree add --prefix="sub dir" --squash -S FETCH_HEAD &&
1927 git verify-commit HEAD &&
1928 # With --squash, the commit subject should reference the squash commit (first parent of merge)
1929 squash_commit=$(git rev-parse HEAD^2) &&
1930 test "$(last_commit_subject)" = "Merge commit '\''$squash_commit'\'' as '\''sub dir'\''"
1931 )
1932 '
1933
1934 test_expect_success GPG 'pull with GPG signing' '
1935 subtree_test_create_repo "$test_count" &&
1936 subtree_test_create_repo "$test_count/sub proj" &&
1937 test_create_commit "$test_count" main1 &&
1938 test_create_commit "$test_count/sub proj" sub1 &&
1939 (
1940 cd "$test_count" &&
1941 git subtree add --prefix="sub dir" ./"sub proj" HEAD
1942 ) &&
1943 test_create_commit "$test_count/sub proj" sub2 &&
1944 (
1945 cd "$test_count" &&
1946 git subtree pull --prefix="sub dir" -S ./"sub proj" HEAD &&
1947 git verify-commit HEAD
1948 )
1949 '
1950
1951 test_done