1 # Create a submodule layout used for all tests below.
3 # The following use cases are covered:
4 # - New submodule (no_submodule => add_sub1)
5 # - Removed submodule (add_sub1 => remove_sub1)
6 # - Updated submodule (add_sub1 => modify_sub1)
7 # - Updated submodule recursively (add_nested_sub => modify_sub1_recursively)
8 # - Submodule updated to invalid commit (add_sub1 => invalid_sub1)
9 # - Submodule updated from invalid commit (invalid_sub1 => valid_sub1)
10 # - Submodule replaced by tracked files in directory (add_sub1 =>
11 # replace_sub1_with_directory)
12 # - Directory containing tracked files replaced by submodule
13 # (replace_sub1_with_directory => replace_directory_with_sub1)
14 # - Submodule replaced by tracked file with the same name (add_sub1 =>
15 # replace_sub1_with_file)
16 # - Tracked file replaced by submodule (replace_sub1_with_file =>
17 # replace_file_with_sub1)
23 # add_sub1 /-------O---------O--------O modify_sub1_recursively
24 # | / ^ add_nested_sub
27 # O------O-----------O---------O
28 # ^ \ ^ replace_directory_with_sub1
29 # | \ replace_sub1_with_directory
32 # \ ^ replace_file_with_sub1
33 # \ replace_sub1_with_file
40 create_lib_submodule_repo () {
41 git init submodule_update_sub1 &&
43 cd submodule_update_sub1 &&
44 echo "expect" >>.gitignore &&
45 echo "actual" >>.gitignore &&
48 git add .gitignore file1 file2 &&
49 git commit -m "Base inside first submodule" &&
50 git branch "no_submodule"
52 git init submodule_update_sub2 &&
54 cd submodule_update_sub2
55 echo "expect" >>.gitignore &&
56 echo "actual" >>.gitignore &&
59 git add .gitignore file1 file2 &&
60 git commit -m "nested submodule base" &&
61 git branch "no_submodule"
63 git init submodule_update_repo &&
65 cd submodule_update_repo &&
66 echo "expect" >>.gitignore &&
67 echo "actual" >>.gitignore &&
70 git add .gitignore file1 file2 &&
71 git commit -m "Base" &&
72 git branch "no_submodule" &&
74 git checkout -b "add_sub1" &&
75 git submodule add ../submodule_update_sub1 sub1 &&
76 git submodule add ../submodule_update_sub1 uninitialized_sub &&
77 git config -f .gitmodules submodule.sub1.ignore all &&
78 git config submodule.sub1.ignore all &&
79 git add .gitmodules &&
80 git commit -m "Add sub1" &&
82 git checkout -b remove_sub1 add_sub1 &&
85 git checkout -b modify_sub1 add_sub1 &&
86 git submodule update &&
90 git checkout -b "modifications" &&
93 git add file2 file3 &&
94 git commit -m "modified file2 and added file3" &&
95 git push origin modifications
98 git commit -m "Modify sub1" &&
100 git checkout -b add_nested_sub modify_sub1 &&
101 git -C sub1 checkout -b "add_nested_sub" &&
102 git -C sub1 submodule add --branch no_submodule ../submodule_update_sub2 sub2 &&
103 git -C sub1 commit -a -m "add a nested submodule" &&
105 git commit -a -m "update submodule, that updates a nested submodule" &&
106 git checkout -b modify_sub1_recursively &&
107 git -C sub1 checkout -b modify_sub1_recursively &&
108 git -C sub1/sub2 checkout -b modify_sub1_recursively &&
109 echo change >sub1/sub2/file3 &&
110 git -C sub1/sub2 add file3 &&
111 git -C sub1/sub2 commit -m "make a change in nested sub" &&
112 git -C sub1 add sub2 &&
113 git -C sub1 commit -m "update nested sub" &&
115 git commit -m "update sub1, that updates nested sub" &&
116 git -C sub1 push origin modify_sub1_recursively &&
117 git -C sub1/sub2 push origin modify_sub1_recursively &&
118 git -C sub1 submodule deinit -f --all &&
120 git checkout -b replace_sub1_with_directory add_sub1 &&
121 git submodule update &&
122 git -C sub1 checkout modifications &&
123 git rm --cached sub1 &&
125 git config -f .gitmodules --remove-section "submodule.sub1" &&
126 git add .gitmodules sub1/* &&
127 git commit -m "Replace sub1 with directory" &&
129 git checkout -b replace_directory_with_sub1 &&
132 git checkout -b replace_sub1_with_file add_sub1 &&
134 echo "content" >sub1 &&
136 git commit -m "Replace sub1 with file" &&
138 git checkout -b replace_file_with_sub1 &&
141 git checkout -b invalid_sub1 add_sub1 &&
142 git update-index --cacheinfo 160000 $(test_oid numeric) sub1 &&
143 git commit -m "Invalid sub1 commit" &&
144 git checkout -b valid_sub1 &&
151 # Helper function to replace gitfile with .git directory
152 replace_gitfile_with_git_dir () {
155 git_dir="$(git rev-parse --git-dir)" &&
157 cp -R "$git_dir" .git &&
158 GIT_WORK_TREE=. git config --unset core.worktree
162 # Test that the .git directory in the submodule is unchanged (except for the
163 # core.worktree setting, which appears only in $GIT_DIR/modules/$1/config).
164 # Call this function before test_submodule_content as the latter might
165 # write the index file leading to false positive index differences.
167 # Note that this only supports submodules at the root level of the
168 # superproject, with the default name, i.e. same as its path.
169 test_git_directory_is_unchanged () {
171 cd ".git/modules/$1" &&
172 # does core.worktree point at the right place?
173 test "$(git config core.worktree)" = "../../../$1" &&
174 # remove it temporarily before comparing, as
175 # "$1/.git/config" lacks it...
176 git config --unset core.worktree
178 diff -r ".git/modules/$1" "$1/.git" &&
180 # ... and then restore.
181 cd ".git/modules/$1" &&
182 git config core.worktree "../../../$1"
186 test_git_directory_exists() {
187 test -e ".git/modules/$1" &&
190 # does core.worktree point at the right place?
191 test "$(git -C .git/modules/$1 config core.worktree)" = "../../../$1"
195 # Helper function to be executed at the start of every test below, it sets up
196 # the submodule repo if it doesn't exist and configures the most problematic
197 # settings for diff.ignoreSubmodules.
200 (test -d submodule_update_repo || create_lib_submodule_repo) &&
201 test_config_global diff.ignoreSubmodules all &&
202 test_config diff.ignoreSubmodules all
205 # Helper function to bring work tree back into the state given by the
206 # commit. This includes trying to populate sub1 accordingly if it exists and
207 # should be updated to an existing commit.
208 reset_work_tree_to () {
209 rm -rf submodule_update &&
210 git clone submodule_update_repo submodule_update &&
212 cd submodule_update &&
214 git checkout -f "$1" &&
215 git status -u -s >actual &&
216 test_must_be_empty actual &&
217 hash=$(git rev-parse --revs-only HEAD:sub1) &&
218 if test -n "$hash" &&
219 test $(cd "../submodule_update_sub1" && git rev-parse --verify "$hash^{commit}")
221 git submodule update --init --recursive "sub1"
226 reset_work_tree_to_interested () {
227 reset_work_tree_to $1 &&
228 # make the submodule git dirs available
229 if ! test -d submodule_update/.git/modules/sub1
231 mkdir -p submodule_update/.git/modules &&
232 cp -r submodule_update_repo/.git/modules/sub1 submodule_update/.git/modules/sub1
233 GIT_WORK_TREE=. git -C submodule_update/.git/modules/sub1 config --unset core.worktree
235 if ! test -d submodule_update/.git/modules/sub1/modules/sub2
237 mkdir -p submodule_update/.git/modules/sub1/modules &&
238 cp -r submodule_update_repo/.git/modules/sub1/modules/sub2 submodule_update/.git/modules/sub1/modules/sub2
239 # core.worktree is unset for sub2 as it is not checked out
241 # indicate we are interested in the submodule:
242 git -C submodule_update config submodule.sub1.url "bogus" &&
243 # sub1 might not be checked out, so use the git dir
244 git -C submodule_update/.git/modules/sub1 config submodule.sub2.url "bogus"
247 # Test that the superproject contains the content according to commit "$1"
248 # (the work tree must match the index for everything but submodules but the
249 # index must exactly match the given commit including any submodule SHA-1s).
250 test_superproject_content () {
251 git diff-index --cached "$1" >actual &&
252 test_must_be_empty actual &&
253 git diff-files --ignore-submodules >actual &&
254 test_must_be_empty actual
257 # Test that the given submodule at path "$1" contains the content according
258 # to the submodule commit recorded in the superproject's commit "$2"
259 test_submodule_content () {
260 if test x"$1" = "x-C"
267 echo "test_submodule_content needs two arguments"
272 test -d "$submodule"/ &&
273 if ! test -f "$submodule"/.git && ! test -d "$submodule"/.git
275 echo "Submodule $submodule is not populated"
278 sha1=$(git rev-parse --verify "$commit:$submodule") &&
281 echo "Couldn't retrieve SHA-1 of $submodule for $commit"
286 git status -u -s >actual &&
287 test_must_be_empty actual &&
288 git diff "$sha1" >actual &&
289 test_must_be_empty actual
293 # Test that the following transitions are correctly handled:
294 # - Updated submodule
296 # - Removed submodule
297 # - Directory containing tracked files replaced by submodule
298 # - Submodule replaced by tracked files in directory
299 # - Submodule replaced by tracked file with the same name
300 # - Tracked file replaced by submodule
302 # The default is that submodule contents aren't changed until "git submodule
303 # update" is run. And even then that command doesn't delete the work tree of
304 # a removed submodule.
306 # Removing a submodule containing a .git directory must fail even when forced
307 # to protect the history!
310 # Internal function; use test_submodule_switch() or
311 # test_submodule_forced_switch() instead.
312 test_submodule_switch_common() {
314 ######################### Appearing submodule #########################
315 # Switching to a commit letting a submodule appear creates empty dir ...
316 if test "$KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES" = 1
318 # Restoring stash fails to restore submodule index entry
323 test_expect_$RESULT "$command: added submodule creates empty directory" '
325 reset_work_tree_to no_submodule &&
327 cd submodule_update &&
328 git branch -t add_sub1 origin/add_sub1 &&
330 test_superproject_content origin/add_sub1 &&
331 test_dir_is_empty sub1 &&
332 git submodule update --init --recursive &&
333 test_submodule_content sub1 origin/add_sub1
336 # ... and doesn't care if it already exists.
337 test_expect_$RESULT "$command: added submodule leaves existing empty directory alone" '
339 reset_work_tree_to no_submodule &&
341 cd submodule_update &&
343 git branch -t add_sub1 origin/add_sub1 &&
345 test_superproject_content origin/add_sub1 &&
346 test_dir_is_empty sub1 &&
347 git submodule update --init --recursive &&
348 test_submodule_content sub1 origin/add_sub1
351 # Replacing a tracked file with a submodule produces an empty
353 test_expect_$RESULT "$command: replace tracked file with submodule creates empty directory" '
355 reset_work_tree_to replace_sub1_with_file &&
357 cd submodule_update &&
358 git branch -t replace_file_with_sub1 origin/replace_file_with_sub1 &&
359 $command replace_file_with_sub1 &&
360 test_superproject_content origin/replace_file_with_sub1 &&
361 test_dir_is_empty sub1 &&
362 git submodule update --init --recursive &&
363 test_submodule_content sub1 origin/replace_file_with_sub1
366 # ... as does removing a directory with tracked files with a
368 if test "$KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR" = 1
370 # Non fast-forward merges fail with "Directory sub1 doesn't
371 # exist. sub1" because the empty submodule directory is not
377 test_expect_$RESULT "$command: replace directory with submodule" '
379 reset_work_tree_to replace_sub1_with_directory &&
381 cd submodule_update &&
382 git branch -t replace_directory_with_sub1 origin/replace_directory_with_sub1 &&
383 $command replace_directory_with_sub1 &&
384 test_superproject_content origin/replace_directory_with_sub1 &&
385 test_dir_is_empty sub1 &&
386 git submodule update --init --recursive &&
387 test_submodule_content sub1 origin/replace_directory_with_sub1
391 ######################## Disappearing submodule #######################
392 # Removing a submodule doesn't remove its work tree ...
393 if test "$KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES" = 1
399 test_expect_$RESULT "$command: removed submodule leaves submodule directory and its contents in place" '
401 reset_work_tree_to add_sub1 &&
403 cd submodule_update &&
404 git branch -t remove_sub1 origin/remove_sub1 &&
405 $command remove_sub1 &&
406 test_superproject_content origin/remove_sub1 &&
407 test_submodule_content sub1 origin/add_sub1
410 # ... especially when it contains a .git directory.
411 test_expect_$RESULT "$command: removed submodule leaves submodule containing a .git directory alone" '
413 reset_work_tree_to add_sub1 &&
415 cd submodule_update &&
416 git branch -t remove_sub1 origin/remove_sub1 &&
417 replace_gitfile_with_git_dir sub1 &&
418 $command remove_sub1 &&
419 test_superproject_content origin/remove_sub1 &&
420 test_git_directory_is_unchanged sub1 &&
421 test_submodule_content sub1 origin/add_sub1
424 # Replacing a submodule with files in a directory must fail as the
425 # submodule work tree isn't removed ...
426 if test "$KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES" = 1
428 # Non fast-forward merges attempt to merge the former
429 # submodule files with the newly checked out ones in the
430 # directory of the same name while it shouldn't.
432 elif test "$KNOWN_FAILURE_FORCED_SWITCH_TESTS" = 1
434 # All existing tests that use test_submodule_forced_switch()
440 test_expect_$RESULT "$command: replace submodule with a directory must fail" '
442 reset_work_tree_to add_sub1 &&
444 cd submodule_update &&
445 git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
446 test_must_fail $command replace_sub1_with_directory &&
447 test_superproject_content origin/add_sub1 &&
448 test_submodule_content sub1 origin/add_sub1
451 # ... especially when it contains a .git directory.
452 test_expect_$RESULT "$command: replace submodule containing a .git directory with a directory must fail" '
454 reset_work_tree_to add_sub1 &&
456 cd submodule_update &&
457 git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
458 replace_gitfile_with_git_dir sub1 &&
459 test_must_fail $command replace_sub1_with_directory &&
460 test_superproject_content origin/add_sub1 &&
461 test_git_directory_is_unchanged sub1 &&
462 test_submodule_content sub1 origin/add_sub1
465 # Replacing it with a file must fail as it could throw away any local
466 # work tree changes ...
467 test_expect_failure "$command: replace submodule with a file must fail" '
469 reset_work_tree_to add_sub1 &&
471 cd submodule_update &&
472 git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
473 test_must_fail $command replace_sub1_with_file &&
474 test_superproject_content origin/add_sub1 &&
475 test_submodule_content sub1 origin/add_sub1
478 # ... or even destroy unpushed parts of submodule history if that
479 # still uses a .git directory.
480 test_expect_failure "$command: replace submodule containing a .git directory with a file must fail" '
482 reset_work_tree_to add_sub1 &&
484 cd submodule_update &&
485 git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
486 replace_gitfile_with_git_dir sub1 &&
487 test_must_fail $command replace_sub1_with_file &&
488 test_superproject_content origin/add_sub1 &&
489 test_git_directory_is_unchanged sub1 &&
490 test_submodule_content sub1 origin/add_sub1
494 ########################## Modified submodule #########################
495 # Updating a submodule sha1 doesn't update the submodule's work tree
496 if test "$KNOWN_FAILURE_CHERRY_PICK_SEES_EMPTY_COMMIT" = 1
498 # When cherry picking a SHA-1 update for an ignored submodule
499 # the commit incorrectly fails with "The previous cherry-pick
500 # is now empty, possibly due to conflict resolution."
505 test_expect_$RESULT "$command: modified submodule does not update submodule work tree" '
507 reset_work_tree_to add_sub1 &&
509 cd submodule_update &&
510 git branch -t modify_sub1 origin/modify_sub1 &&
511 $command modify_sub1 &&
512 test_superproject_content origin/modify_sub1 &&
513 test_submodule_content sub1 origin/add_sub1 &&
514 git submodule update &&
515 test_submodule_content sub1 origin/modify_sub1
518 # Updating a submodule to an invalid sha1 doesn't update the
519 # submodule's work tree, subsequent update will fail
520 test_expect_$RESULT "$command: modified submodule does not update submodule work tree to invalid commit" '
522 reset_work_tree_to add_sub1 &&
524 cd submodule_update &&
525 git branch -t invalid_sub1 origin/invalid_sub1 &&
526 $command invalid_sub1 &&
527 test_superproject_content origin/invalid_sub1 &&
528 test_submodule_content sub1 origin/add_sub1 &&
529 test_must_fail git submodule update &&
530 test_submodule_content sub1 origin/add_sub1
533 # Updating a submodule from an invalid sha1 doesn't update the
534 # submodule's work tree, subsequent update will succeed
535 test_expect_$RESULT "$command: modified submodule does not update submodule work tree from invalid commit" '
537 reset_work_tree_to invalid_sub1 &&
539 cd submodule_update &&
540 git branch -t valid_sub1 origin/valid_sub1 &&
541 $command valid_sub1 &&
542 test_superproject_content origin/valid_sub1 &&
543 test_dir_is_empty sub1 &&
544 git submodule update --init --recursive &&
545 test_submodule_content sub1 origin/valid_sub1
550 # Declares and invokes several tests that, in various situations, checks that
551 # the provided transition function:
552 # - succeeds in updating the worktree and index of a superproject to a target
553 # commit, or fails atomically (depending on the test situation)
554 # - if succeeds, the contents of submodule directories are unchanged
555 # - if succeeds, once "git submodule update" is invoked, the contents of
556 # submodule directories are updated
558 # If the command under test is known to not work with submodules in certain
559 # conditions, set the appropriate KNOWN_FAILURE_* variable used in the tests
566 # # Do something here that updates the worktree and index to match target,
567 # # but not any submodule directories.
569 # test_submodule_switch "my_func"
570 test_submodule_switch () {
572 test_submodule_switch_common "$command"
574 # An empty directory does not prevent the creation of a submodule of
575 # the same name, but a file does.
576 test_expect_success "$command: added submodule doesn't remove untracked unignored file with same name" '
578 reset_work_tree_to no_submodule &&
580 cd submodule_update &&
581 git branch -t add_sub1 origin/add_sub1 &&
583 test_must_fail $command add_sub1 &&
584 test_superproject_content origin/no_submodule &&
585 test_must_be_empty sub1
590 # Same as test_submodule_switch(), except that throwing away local changes in
591 # the superproject is allowed.
592 test_submodule_forced_switch () {
594 KNOWN_FAILURE_FORCED_SWITCH_TESTS=1
595 test_submodule_switch_common "$command"
597 # When forced, a file in the superproject does not prevent creating a
598 # submodule of the same name.
599 test_expect_success "$command: added submodule does remove untracked unignored file with same name when forced" '
601 reset_work_tree_to no_submodule &&
603 cd submodule_update &&
604 git branch -t add_sub1 origin/add_sub1 &&
607 test_superproject_content origin/add_sub1 &&
608 test_dir_is_empty sub1
613 # Test that submodule contents are correctly updated when switching
614 # between commits that change a submodule.
615 # Test that the following transitions are correctly handled:
616 # (These tests are also above in the case where we expect no change
618 # - Updated submodule
620 # - Removed submodule
621 # - Directory containing tracked files replaced by submodule
622 # - Submodule replaced by tracked files in directory
623 # - Submodule replaced by tracked file with the same name
624 # - Tracked file replaced by submodule
627 # - Removing a submodule with a git directory absorbs the submodules
628 # git directory first into the superproject.
629 # - Switching from no submodule to nested submodules
630 # - Switching from nested submodules to no submodule
632 # Internal function; use test_submodule_switch_recursing_with_args() or
633 # test_submodule_forced_switch_recursing_with_args() instead.
634 test_submodule_recursing_with_args_common() {
637 ######################### Appearing submodule #########################
638 # Switching to a commit letting a submodule appear checks it out ...
639 test_expect_success "$command: added submodule is checked out" '
641 reset_work_tree_to_interested no_submodule &&
643 cd submodule_update &&
644 git branch -t add_sub1 origin/add_sub1 &&
646 test_superproject_content origin/add_sub1 &&
647 test_submodule_content sub1 origin/add_sub1
650 # ... ignoring an empty existing directory.
651 test_expect_success "$command: added submodule is checked out in empty dir" '
653 reset_work_tree_to_interested no_submodule &&
655 cd submodule_update &&
657 git branch -t add_sub1 origin/add_sub1 &&
659 test_superproject_content origin/add_sub1 &&
660 test_submodule_content sub1 origin/add_sub1
664 # Replacing a tracked file with a submodule produces a checked out submodule
665 test_expect_success "$command: replace tracked file with submodule checks out submodule" '
667 reset_work_tree_to_interested replace_sub1_with_file &&
669 cd submodule_update &&
670 git branch -t replace_file_with_sub1 origin/replace_file_with_sub1 &&
671 $command replace_file_with_sub1 &&
672 test_superproject_content origin/replace_file_with_sub1 &&
673 test_submodule_content sub1 origin/replace_file_with_sub1
676 # ... as does removing a directory with tracked files with a submodule.
677 test_expect_success "$command: replace directory with submodule" '
679 reset_work_tree_to_interested replace_sub1_with_directory &&
681 cd submodule_update &&
682 git branch -t replace_directory_with_sub1 origin/replace_directory_with_sub1 &&
683 $command replace_directory_with_sub1 &&
684 test_superproject_content origin/replace_directory_with_sub1 &&
685 test_submodule_content sub1 origin/replace_directory_with_sub1
688 # Switching to a commit with nested submodules recursively checks them out
689 test_expect_success "$command: nested submodules are checked out" '
691 reset_work_tree_to_interested no_submodule &&
693 cd submodule_update &&
694 git branch -t modify_sub1_recursively origin/modify_sub1_recursively &&
695 $command modify_sub1_recursively &&
696 test_superproject_content origin/modify_sub1_recursively &&
697 test_submodule_content sub1 origin/modify_sub1_recursively &&
698 test_submodule_content -C sub1 sub2 origin/modify_sub1_recursively
702 ######################## Disappearing submodule #######################
703 # Removing a submodule removes its work tree ...
704 test_expect_success "$command: removed submodule removes submodules working tree" '
706 reset_work_tree_to_interested add_sub1 &&
708 cd submodule_update &&
709 git branch -t remove_sub1 origin/remove_sub1 &&
710 $command remove_sub1 &&
711 test_superproject_content origin/remove_sub1 &&
713 test_must_fail git config -f .git/modules/sub1/config core.worktree
716 # ... absorbing a .git directory along the way.
717 test_expect_success "$command: removed submodule absorbs submodules .git directory" '
719 reset_work_tree_to_interested add_sub1 &&
721 cd submodule_update &&
722 git branch -t remove_sub1 origin/remove_sub1 &&
723 replace_gitfile_with_git_dir sub1 &&
724 rm -rf .git/modules &&
725 $command remove_sub1 &&
726 test_superproject_content origin/remove_sub1 &&
728 test_git_directory_exists sub1
732 # Replacing it with a file ...
733 test_expect_success "$command: replace submodule with a file" '
735 reset_work_tree_to_interested add_sub1 &&
737 cd submodule_update &&
738 git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
739 $command replace_sub1_with_file &&
740 test_superproject_content origin/replace_sub1_with_file &&
745 if test "$KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS" = 1
749 # ... must check its local work tree for untracked files
750 test_expect_$RESULTDS "$command: replace submodule with a file must fail with untracked files" '
752 reset_work_tree_to_interested add_sub1 &&
754 cd submodule_update &&
755 git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
756 : >sub1/untrackedfile &&
757 test_must_fail $command replace_sub1_with_file &&
758 test_superproject_content origin/add_sub1 &&
759 test_submodule_content sub1 origin/add_sub1 &&
760 test -f sub1/untracked_file
764 # Switching to a commit without nested submodules removes their worktrees
765 test_expect_success "$command: worktrees of nested submodules are removed" '
767 reset_work_tree_to_interested add_nested_sub &&
769 cd submodule_update &&
770 git branch -t no_submodule origin/no_submodule &&
771 $command no_submodule &&
772 test_superproject_content origin/no_submodule &&
773 ! test_path_is_dir sub1 &&
774 test_must_fail git config -f .git/modules/sub1/config core.worktree &&
775 test_must_fail git config -f .git/modules/sub1/modules/sub2/config core.worktree
779 ########################## Modified submodule #########################
780 # Updating a submodule sha1 updates the submodule's work tree
781 test_expect_success "$command: modified submodule updates submodule work tree" '
783 reset_work_tree_to_interested add_sub1 &&
785 cd submodule_update &&
786 git branch -t modify_sub1 origin/modify_sub1 &&
787 $command modify_sub1 &&
788 test_superproject_content origin/modify_sub1 &&
789 test_submodule_content sub1 origin/modify_sub1
792 # Updating a submodule to an invalid sha1 doesn't update the
793 # superproject nor the submodule's work tree.
794 test_expect_success "$command: updating to a missing submodule commit fails" '
796 reset_work_tree_to_interested add_sub1 &&
798 cd submodule_update &&
799 git branch -t invalid_sub1 origin/invalid_sub1 &&
800 test_must_fail $command invalid_sub1 2>err &&
801 test_i18ngrep sub1 err &&
802 test_superproject_content origin/add_sub1 &&
803 test_submodule_content sub1 origin/add_sub1
806 # Updating a submodule does not touch the currently checked out branch in the submodule
807 test_expect_success "$command: submodule branch is not changed, detach HEAD instead" '
809 reset_work_tree_to_interested add_sub1 &&
811 cd submodule_update &&
812 git -C sub1 checkout -b keep_branch &&
813 git -C sub1 rev-parse HEAD >expect &&
814 git branch -t modify_sub1 origin/modify_sub1 &&
815 $command modify_sub1 &&
816 test_superproject_content origin/modify_sub1 &&
817 test_submodule_content sub1 origin/modify_sub1 &&
818 git -C sub1 rev-parse keep_branch >actual &&
819 test_cmp expect actual &&
820 test_must_fail git -C sub1 symbolic-ref HEAD
825 # Declares and invokes several tests that, in various situations, checks that
826 # the provided Git command, when invoked with --recurse-submodules:
827 # - succeeds in updating the worktree and index of a superproject to a target
828 # commit, or fails atomically (depending on the test situation)
829 # - if succeeds, the contents of submodule directories are updated
831 # Specify the Git command so that "git $GIT_COMMAND --recurse-submodules"
834 # If the command under test is known to not work with submodules in certain
835 # conditions, set the appropriate KNOWN_FAILURE_* variable used in the tests
840 # test_submodule_switch_recursing_with_args "$GIT_COMMAND"
841 test_submodule_switch_recursing_with_args () {
843 command="git $cmd_args --recurse-submodules"
844 test_submodule_recursing_with_args_common "$command"
847 if test "$KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS" = 1
852 if test "$KNOWN_FAILURE_SUBMODULE_OVERWRITE_IGNORED_UNTRACKED" = 1
856 # Switching to a commit letting a submodule appear cannot override an
858 test_expect_success "$command: added submodule doesn't remove untracked file with same name" '
860 reset_work_tree_to_interested no_submodule &&
862 cd submodule_update &&
863 git branch -t add_sub1 origin/add_sub1 &&
865 test_must_fail $command add_sub1 &&
866 test_superproject_content origin/no_submodule &&
867 test_must_be_empty sub1
870 # ... but an ignored file is fine.
871 test_expect_$RESULTOI "$command: added submodule removes an untracked ignored file" '
872 test_when_finished "rm submodule_update/.git/info/exclude" &&
874 reset_work_tree_to_interested no_submodule &&
876 cd submodule_update &&
877 git branch -t add_sub1 origin/add_sub1 &&
879 echo sub1 >.git/info/exclude &&
881 test_superproject_content origin/add_sub1 &&
882 test_submodule_content sub1 origin/add_sub1
886 # Replacing a submodule with files in a directory must succeeds
887 # when the submodule is clean
888 test_expect_$RESULTDS "$command: replace submodule with a directory" '
890 reset_work_tree_to_interested add_sub1 &&
892 cd submodule_update &&
893 git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
894 $command replace_sub1_with_directory &&
895 test_superproject_content origin/replace_sub1_with_directory &&
896 test_submodule_content sub1 origin/replace_sub1_with_directory
899 # ... absorbing a .git directory.
900 test_expect_$RESULTDS "$command: replace submodule containing a .git directory with a directory must absorb the git dir" '
902 reset_work_tree_to_interested add_sub1 &&
904 cd submodule_update &&
905 git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
906 replace_gitfile_with_git_dir sub1 &&
907 rm -rf .git/modules &&
908 $command replace_sub1_with_directory &&
909 test_superproject_content origin/replace_sub1_with_directory &&
910 test_git_directory_exists sub1
914 # ... and ignored files are ignored
915 test_expect_success "$command: replace submodule with a file works ignores ignored files in submodule" '
916 test_when_finished "rm submodule_update/.git/modules/sub1/info/exclude" &&
918 reset_work_tree_to_interested add_sub1 &&
920 cd submodule_update &&
921 git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
922 echo ignored >.git/modules/sub1/info/exclude &&
924 $command replace_sub1_with_file &&
925 test_superproject_content origin/replace_sub1_with_file &&
930 test_expect_success "git -c submodule.recurse=true $cmd_args: modified submodule updates submodule work tree" '
932 reset_work_tree_to_interested add_sub1 &&
934 cd submodule_update &&
935 git branch -t modify_sub1 origin/modify_sub1 &&
936 git -c submodule.recurse=true $cmd_args modify_sub1 &&
937 test_superproject_content origin/modify_sub1 &&
938 test_submodule_content sub1 origin/modify_sub1
942 test_expect_success "$command: modified submodule updates submodule recursively" '
944 reset_work_tree_to_interested add_nested_sub &&
946 cd submodule_update &&
947 git branch -t modify_sub1_recursively origin/modify_sub1_recursively &&
948 $command modify_sub1_recursively &&
949 test_superproject_content origin/modify_sub1_recursively &&
950 test_submodule_content sub1 origin/modify_sub1_recursively &&
951 test_submodule_content -C sub1 sub2 origin/modify_sub1_recursively
956 # Same as test_submodule_switch_recursing_with_args(), except that throwing
957 # away local changes in the superproject is allowed.
958 test_submodule_forced_switch_recursing_with_args () {
960 command="git $cmd_args --recurse-submodules"
961 test_submodule_recursing_with_args_common "$command"
964 if test "$KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS" = 1
968 # Switching to a commit letting a submodule appear does not care about
970 test_expect_success "$command: added submodule does remove untracked unignored file with same name when forced" '
972 reset_work_tree_to_interested no_submodule &&
974 cd submodule_update &&
975 git branch -t add_sub1 origin/add_sub1 &&
978 test_superproject_content origin/add_sub1 &&
979 test_submodule_content sub1 origin/add_sub1
983 # Replacing a submodule with files in a directory ...
984 test_expect_success "$command: replace submodule with a directory" '
986 reset_work_tree_to_interested add_sub1 &&
988 cd submodule_update &&
989 git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
990 $command replace_sub1_with_directory &&
991 test_superproject_content origin/replace_sub1_with_directory
994 # ... absorbing a .git directory.
995 test_expect_success "$command: replace submodule containing a .git directory with a directory must fail" '
997 reset_work_tree_to_interested add_sub1 &&
999 cd submodule_update &&
1000 git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
1001 replace_gitfile_with_git_dir sub1 &&
1002 rm -rf .git/modules/sub1 &&
1003 $command replace_sub1_with_directory &&
1004 test_superproject_content origin/replace_sub1_with_directory &&
1005 test_git_directory_exists sub1
1009 # ... even if the submodule contains ignored files
1010 test_expect_success "$command: replace submodule with a file ignoring ignored files" '
1012 reset_work_tree_to_interested add_sub1 &&
1014 cd submodule_update &&
1015 git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
1017 $command replace_sub1_with_file &&
1018 test_superproject_content origin/replace_sub1_with_file
1022 # Updating a submodule from an invalid sha1 updates
1023 test_expect_success "$command: modified submodule does update submodule work tree from invalid commit" '
1025 reset_work_tree_to_interested invalid_sub1 &&
1027 cd submodule_update &&
1028 git branch -t valid_sub1 origin/valid_sub1 &&
1029 $command valid_sub1 &&
1030 test_superproject_content origin/valid_sub1 &&
1031 test_submodule_content sub1 origin/valid_sub1
1035 # Old versions of Git were buggy writing the .git link file
1036 # (e.g. before f8eaa0ba98b and then moving the superproject repo
1037 # whose submodules contained absolute paths)
1038 test_expect_success "$command: updating submodules fixes .git links" '
1040 reset_work_tree_to_interested add_sub1 &&
1042 cd submodule_update &&
1043 git branch -t modify_sub1 origin/modify_sub1 &&
1044 echo "gitdir: bogus/path" >sub1/.git &&
1045 $command modify_sub1 &&
1046 test_superproject_content origin/modify_sub1 &&
1047 test_submodule_content sub1 origin/modify_sub1
1051 test_expect_success "$command: changed submodule worktree is reset" '
1053 reset_work_tree_to_interested add_sub1 &&
1055 cd submodule_update &&
1058 git -C sub1 add new_file &&
1060 test_path_is_file sub1/file1 &&
1061 test_path_is_missing sub1/new_file