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-rwxr-xr-xt/lib-submodule-update.sh680
-rwxr-xr-xt/t1013-read-tree-submodule.sh12
-rwxr-xr-xt/t2013-checkout-submodule.sh5
-rwxr-xr-xt/t3426-rebase-submodule.sh46
-rwxr-xr-xt/t3512-cherry-pick-submodule.sh13
-rwxr-xr-xt/t3513-revert-submodule.sh32
-rwxr-xr-xt/t3906-stash-submodule.sh24
-rwxr-xr-xt/t4137-apply-submodule.sh20
-rwxr-xr-xt/t4255-am-submodule.sh21
-rwxr-xr-xt/t5572-pull-submodule.sh45
-rwxr-xr-xt/t6041-bisect-submodule.sh32
-rwxr-xr-xt/t7112-reset-submodule.sh14
-rwxr-xr-xt/t7613-merge-submodule.sh19
-rw-r--r--t/test-lib-functions.sh11
14 files changed, 974 insertions, 0 deletions
diff --git a/t/lib-submodule-update.sh b/t/lib-submodule-update.sh
new file mode 100755
index 0000000000..79cdd34a54
--- /dev/null
+++ b/t/lib-submodule-update.sh
@@ -0,0 +1,680 @@
+# Create a submodule layout used for all tests below.
+#
+# The following use cases are covered:
+# - New submodule (no_submodule => add_sub1)
+# - Removed submodule (add_sub1 => remove_sub1)
+# - Updated submodule (add_sub1 => modify_sub1)
+# - Submodule updated to invalid commit (add_sub1 => invalid_sub1)
+# - Submodule updated from invalid commit (invalid_sub1 => valid_sub1)
+# - Submodule replaced by tracked files in directory (add_sub1 =>
+# replace_sub1_with_directory)
+# - Directory containing tracked files replaced by submodule
+# (replace_sub1_with_directory => replace_directory_with_sub1)
+# - Submodule replaced by tracked file with the same name (add_sub1 =>
+# replace_sub1_with_file)
+# - Tracked file replaced by submodule (replace_sub1_with_file =>
+# replace_file_with_sub1)
+#
+# --O-----O
+# / ^ replace_directory_with_sub1
+# / replace_sub1_with_directory
+# /----O
+# / ^
+# / modify_sub1
+# O------O-------O
+# ^ ^\ ^
+# | | \ remove_sub1
+# | | -----O-----O
+# | | \ ^ replace_file_with_sub1
+# | | \ replace_sub1_with_file
+# | add_sub1 --O-----O
+# no_submodule ^ valid_sub1
+# invalid_sub1
+#
+create_lib_submodule_repo () {
+ git init submodule_update_repo &&
+ (
+ cd submodule_update_repo &&
+ echo "expect" >>.gitignore &&
+ echo "actual" >>.gitignore &&
+ echo "x" >file1 &&
+ echo "y" >file2 &&
+ git add .gitignore file1 file2 &&
+ git commit -m "Base" &&
+ git branch "no_submodule" &&
+
+ git checkout -b "add_sub1" &&
+ git submodule add ./. sub1 &&
+ git config -f .gitmodules submodule.sub1.ignore all &&
+ git config submodule.sub1.ignore all &&
+ git add .gitmodules &&
+ git commit -m "Add sub1" &&
+ git checkout -b remove_sub1 &&
+ git revert HEAD &&
+
+ git checkout -b "modify_sub1" "add_sub1" &&
+ git submodule update &&
+ (
+ cd sub1 &&
+ git fetch &&
+ git checkout -b "modifications" &&
+ echo "z" >file2 &&
+ echo "x" >file3 &&
+ git add file2 file3 &&
+ git commit -m "modified file2 and added file3" &&
+ git push origin modifications
+ ) &&
+ git add sub1 &&
+ git commit -m "Modify sub1" &&
+
+ git checkout -b "replace_sub1_with_directory" "add_sub1" &&
+ git submodule update &&
+ (
+ cd sub1 &&
+ git checkout modifications
+ ) &&
+ git rm --cached sub1 &&
+ rm sub1/.git* &&
+ git config -f .gitmodules --remove-section "submodule.sub1" &&
+ git add .gitmodules sub1/* &&
+ git commit -m "Replace sub1 with directory" &&
+ git checkout -b replace_directory_with_sub1 &&
+ git revert HEAD &&
+
+ git checkout -b "replace_sub1_with_file" "add_sub1" &&
+ git rm sub1 &&
+ echo "content" >sub1 &&
+ git add sub1 &&
+ git commit -m "Replace sub1 with file" &&
+ git checkout -b replace_file_with_sub1 &&
+ git revert HEAD &&
+
+ git checkout -b "invalid_sub1" "add_sub1" &&
+ git update-index --cacheinfo 160000 0123456789012345678901234567890123456789 sub1 &&
+ git commit -m "Invalid sub1 commit" &&
+ git checkout -b valid_sub1 &&
+ git revert HEAD &&
+ git checkout master
+ )
+}
+
+# Helper function to replace gitfile with .git directory
+replace_gitfile_with_git_dir () {
+ (
+ cd "$1" &&
+ git_dir="$(git rev-parse --git-dir)" &&
+ rm -f .git &&
+ cp -R "$git_dir" .git &&
+ GIT_WORK_TREE=. git config --unset core.worktree
+ )
+}
+
+# Test that the .git directory in the submodule is unchanged (except for the
+# core.worktree setting, which appears only in $GIT_DIR/modules/$1/config).
+# Call this function before test_submodule_content as the latter might
+# write the index file leading to false positive index differences.
+#
+# Note that this only supports submodules at the root level of the
+# superproject, with the default name, i.e. same as its path.
+test_git_directory_is_unchanged () {
+ (
+ cd ".git/modules/$1" &&
+ # does core.worktree point at the right place?
+ test "$(git config core.worktree)" = "../../../$1" &&
+ # remove it temporarily before comparing, as
+ # "$1/.git/config" lacks it...
+ git config --unset core.worktree
+ ) &&
+ diff -r ".git/modules/$1" "$1/.git" &&
+ (
+ # ... and then restore.
+ cd ".git/modules/$1" &&
+ git config core.worktree "../../../$1"
+ )
+}
+
+# Helper function to be executed at the start of every test below, it sets up
+# the submodule repo if it doesn't exist and configures the most problematic
+# settings for diff.ignoreSubmodules.
+prolog () {
+ (test -d submodule_update_repo || create_lib_submodule_repo) &&
+ test_config_global diff.ignoreSubmodules all &&
+ test_config diff.ignoreSubmodules all
+}
+
+# Helper function to bring work tree back into the state given by the
+# commit. This includes trying to populate sub1 accordingly if it exists and
+# should be updated to an existing commit.
+reset_work_tree_to () {
+ rm -rf submodule_update &&
+ git clone submodule_update_repo submodule_update &&
+ (
+ cd submodule_update &&
+ rm -rf sub1 &&
+ git checkout -f "$1" &&
+ git status -u -s >actual &&
+ test_must_be_empty actual &&
+ sha1=$(git rev-parse --revs-only HEAD:sub1) &&
+ if test -n "$sha1" &&
+ test $(cd "sub1" && git rev-parse --verify "$sha1^{commit}")
+ then
+ git submodule update --init --recursive "sub1"
+ fi
+ )
+}
+
+# Test that the superproject contains the content according to commit "$1"
+# (the work tree must match the index for everything but submodules but the
+# index must exactly match the given commit including any submodule SHA-1s).
+test_superproject_content () {
+ git diff-index --cached "$1" >actual &&
+ test_must_be_empty actual &&
+ git diff-files --ignore-submodules >actual &&
+ test_must_be_empty actual
+}
+
+# Test that the given submodule at path "$1" contains the content according
+# to the submodule commit recorded in the superproject's commit "$2"
+test_submodule_content () {
+ if test $# != 2
+ then
+ echo "test_submodule_content needs two arguments"
+ return 1
+ fi &&
+ submodule="$1" &&
+ commit="$2" &&
+ test -d "$submodule"/ &&
+ if ! test -f "$submodule"/.git && ! test -d "$submodule"/.git
+ then
+ echo "Submodule $submodule is not populated"
+ return 1
+ fi &&
+ sha1=$(git rev-parse --verify "$commit:$submodule") &&
+ if test -z "$sha1"
+ then
+ echo "Couldn't retrieve SHA-1 of $submodule for $commit"
+ return 1
+ fi &&
+ (
+ cd "$submodule" &&
+ git status -u -s >actual &&
+ test_must_be_empty actual &&
+ git diff "$sha1" >actual &&
+ test_must_be_empty actual
+ )
+}
+
+# Test that the following transitions are correctly handled:
+# - Updated submodule
+# - New submodule
+# - Removed submodule
+# - Directory containing tracked files replaced by submodule
+# - Submodule replaced by tracked files in directory
+# - Submodule replaced by tracked file with the same name
+# - tracked file replaced by submodule
+#
+# The default is that submodule contents aren't changed until "git submodule
+# update" is run. And even then that command doesn't delete the work tree of
+# a removed submodule.
+#
+# Removing a submodule containing a .git directory must fail even when forced
+# to protect the history!
+#
+
+# Test that submodule contents are currently not updated when switching
+# between commits that change a submodule.
+test_submodule_switch () {
+ command="$1"
+ ######################### Appearing submodule #########################
+ # Switching to a commit letting a submodule appear creates empty dir ...
+ if test "$KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES" = 1
+ then
+ # Restoring stash fails to restore submodule index entry
+ RESULT="failure"
+ else
+ RESULT="success"
+ fi
+ test_expect_$RESULT "$command: added submodule creates empty directory" '
+ prolog &&
+ reset_work_tree_to no_submodule &&
+ (
+ cd submodule_update &&
+ git branch -t add_sub1 origin/add_sub1 &&
+ $command add_sub1 &&
+ test_superproject_content origin/add_sub1 &&
+ test_dir_is_empty sub1 &&
+ git submodule update --init --recursive &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # ... and doesn't care if it already exists ...
+ test_expect_$RESULT "$command: added submodule leaves existing empty directory alone" '
+ prolog &&
+ reset_work_tree_to no_submodule &&
+ (
+ cd submodule_update &&
+ mkdir sub1 &&
+ git branch -t add_sub1 origin/add_sub1 &&
+ $command add_sub1 &&
+ test_superproject_content origin/add_sub1 &&
+ test_dir_is_empty sub1 &&
+ git submodule update --init --recursive &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # ... unless there is an untracked file in its place.
+ test_expect_success "$command: added submodule doesn't remove untracked unignored file with same name" '
+ prolog &&
+ reset_work_tree_to no_submodule &&
+ (
+ cd submodule_update &&
+ git branch -t add_sub1 origin/add_sub1 &&
+ >sub1 &&
+ test_must_fail $command add_sub1 &&
+ test_superproject_content origin/no_submodule &&
+ test_must_be_empty sub1
+ )
+ '
+ # Replacing a tracked file with a submodule produces an empty
+ # directory ...
+ test_expect_$RESULT "$command: replace tracked file with submodule creates empty directory" '
+ prolog &&
+ reset_work_tree_to replace_sub1_with_file &&
+ (
+ cd submodule_update &&
+ git branch -t replace_file_with_sub1 origin/replace_file_with_sub1 &&
+ $command replace_file_with_sub1 &&
+ test_superproject_content origin/replace_file_with_sub1 &&
+ test_dir_is_empty sub1 &&
+ git submodule update --init --recursive &&
+ test_submodule_content sub1 origin/replace_file_with_sub1
+ )
+ '
+ # ... as does removing a directory with tracked files with a
+ # submodule.
+ if test "$KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR" = 1
+ then
+ # Non fast-forward merges fail with "Directory sub1 doesn't
+ # exist. sub1" because the empty submodule directory is not
+ # created
+ RESULT="failure"
+ else
+ RESULT="success"
+ fi
+ test_expect_$RESULT "$command: replace directory with submodule" '
+ prolog &&
+ reset_work_tree_to replace_sub1_with_directory &&
+ (
+ cd submodule_update &&
+ git branch -t replace_directory_with_sub1 origin/replace_directory_with_sub1 &&
+ $command replace_directory_with_sub1 &&
+ test_superproject_content origin/replace_directory_with_sub1 &&
+ test_dir_is_empty sub1 &&
+ git submodule update --init --recursive &&
+ test_submodule_content sub1 origin/replace_directory_with_sub1
+ )
+ '
+
+ ######################## Disappearing submodule #######################
+ # Removing a submodule doesn't remove its work tree ...
+ if test "$KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES" = 1
+ then
+ RESULT="failure"
+ else
+ RESULT="success"
+ fi
+ test_expect_$RESULT "$command: removed submodule leaves submodule directory and its contents in place" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t remove_sub1 origin/remove_sub1 &&
+ $command remove_sub1 &&
+ test_superproject_content origin/remove_sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # ... especially when it contains a .git directory.
+ test_expect_$RESULT "$command: removed submodule leaves submodule containing a .git directory alone" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t remove_sub1 origin/remove_sub1 &&
+ replace_gitfile_with_git_dir sub1 &&
+ $command remove_sub1 &&
+ test_superproject_content origin/remove_sub1 &&
+ test_git_directory_is_unchanged sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # Replacing a submodule with files in a directory must fail as the
+ # submodule work tree isn't removed ...
+ if test "$KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES" = 1
+ then
+ # Non fast-forward merges attempt to merge the former
+ # submodule files with the newly checked out ones in the
+ # directory of the same name while it shouldn't.
+ RESULT="failure"
+ else
+ RESULT="success"
+ fi
+ test_expect_$RESULT "$command: replace submodule with a directory must fail" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
+ test_must_fail $command replace_sub1_with_directory &&
+ test_superproject_content origin/add_sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # ... especially when it contains a .git directory.
+ test_expect_$RESULT "$command: replace submodule containing a .git directory with a directory must fail" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
+ replace_gitfile_with_git_dir sub1 &&
+ test_must_fail $command replace_sub1_with_directory &&
+ test_superproject_content origin/add_sub1 &&
+ test_git_directory_is_unchanged sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # Replacing it with a file must fail as it could throw away any local
+ # work tree changes ...
+ test_expect_failure "$command: replace submodule with a file must fail" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
+ test_must_fail $command replace_sub1_with_file &&
+ test_superproject_content origin/add_sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # ... or even destroy unpushed parts of submodule history if that
+ # still uses a .git directory.
+ test_expect_failure "$command: replace submodule containing a .git directory with a file must fail" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
+ replace_gitfile_with_git_dir sub1 &&
+ test_must_fail $command replace_sub1_with_file &&
+ test_superproject_content origin/add_sub1 &&
+ test_git_directory_is_unchanged sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+
+ ########################## Modified submodule #########################
+ # Updating a submodule sha1 doesn't update the submodule's work tree
+ if test "$KNOWN_FAILURE_CHERRY_PICK_SEES_EMPTY_COMMIT" = 1
+ then
+ # When cherry picking a SHA-1 update for an ignored submodule
+ # the commit incorrectly fails with "The previous cherry-pick
+ # is now empty, possibly due to conflict resolution."
+ RESULT="failure"
+ else
+ RESULT="success"
+ fi
+ test_expect_$RESULT "$command: modified submodule does not update submodule work tree" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t modify_sub1 origin/modify_sub1 &&
+ $command modify_sub1 &&
+ test_superproject_content origin/modify_sub1 &&
+ test_submodule_content sub1 origin/add_sub1 &&
+ git submodule update &&
+ test_submodule_content sub1 origin/modify_sub1
+ )
+ '
+
+ # Updating a submodule to an invalid sha1 doesn't update the
+ # submodule's work tree, subsequent update will fail
+ test_expect_$RESULT "$command: modified submodule does not update submodule work tree to invalid commit" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t invalid_sub1 origin/invalid_sub1 &&
+ $command invalid_sub1 &&
+ test_superproject_content origin/invalid_sub1 &&
+ test_submodule_content sub1 origin/add_sub1 &&
+ test_must_fail git submodule update &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # Updating a submodule from an invalid sha1 doesn't update the
+ # submodule's work tree, subsequent update will succeed
+ test_expect_$RESULT "$command: modified submodule does not update submodule work tree from invalid commit" '
+ prolog &&
+ reset_work_tree_to invalid_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t valid_sub1 origin/valid_sub1 &&
+ $command valid_sub1 &&
+ test_superproject_content origin/valid_sub1 &&
+ test_dir_is_empty sub1 &&
+ git submodule update --init --recursive &&
+ test_submodule_content sub1 origin/valid_sub1
+ )
+ '
+}
+
+# Test that submodule contents are currently not updated when switching
+# between commits that change a submodule, but throwing away local changes in
+# the superproject is allowed.
+test_submodule_forced_switch () {
+ command="$1"
+ ######################### Appearing submodule #########################
+ # Switching to a commit letting a submodule appear creates empty dir ...
+ test_expect_success "$command: added submodule creates empty directory" '
+ prolog &&
+ reset_work_tree_to no_submodule &&
+ (
+ cd submodule_update &&
+ git branch -t add_sub1 origin/add_sub1 &&
+ $command add_sub1 &&
+ test_superproject_content origin/add_sub1 &&
+ test_dir_is_empty sub1 &&
+ git submodule update --init --recursive &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # ... and doesn't care if it already exists ...
+ test_expect_success "$command: added submodule leaves existing empty directory alone" '
+ prolog &&
+ reset_work_tree_to no_submodule &&
+ (
+ cd submodule_update &&
+ git branch -t add_sub1 origin/add_sub1 &&
+ mkdir sub1 &&
+ $command add_sub1 &&
+ test_superproject_content origin/add_sub1 &&
+ test_dir_is_empty sub1 &&
+ git submodule update --init --recursive &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # ... unless there is an untracked file in its place.
+ test_expect_success "$command: added submodule does remove untracked unignored file with same name when forced" '
+ prolog &&
+ reset_work_tree_to no_submodule &&
+ (
+ cd submodule_update &&
+ git branch -t add_sub1 origin/add_sub1 &&
+ >sub1 &&
+ $command add_sub1 &&
+ test_superproject_content origin/add_sub1 &&
+ test_dir_is_empty sub1
+ )
+ '
+ # Replacing a tracked file with a submodule produces an empty
+ # directory ...
+ test_expect_success "$command: replace tracked file with submodule creates empty directory" '
+ prolog &&
+ reset_work_tree_to replace_sub1_with_file &&
+ (
+ cd submodule_update &&
+ git branch -t replace_file_with_sub1 origin/replace_file_with_sub1 &&
+ $command replace_file_with_sub1 &&
+ test_superproject_content origin/replace_file_with_sub1 &&
+ test_dir_is_empty sub1 &&
+ git submodule update --init --recursive &&
+ test_submodule_content sub1 origin/replace_file_with_sub1
+ )
+ '
+ # ... as does removing a directory with tracked files with a
+ # submodule.
+ test_expect_success "$command: replace directory with submodule" '
+ prolog &&
+ reset_work_tree_to replace_sub1_with_directory &&
+ (
+ cd submodule_update &&
+ git branch -t replace_directory_with_sub1 origin/replace_directory_with_sub1 &&
+ $command replace_directory_with_sub1 &&
+ test_superproject_content origin/replace_directory_with_sub1 &&
+ test_dir_is_empty sub1 &&
+ git submodule update --init --recursive &&
+ test_submodule_content sub1 origin/replace_directory_with_sub1
+ )
+ '
+
+ ######################## Disappearing submodule #######################
+ # Removing a submodule doesn't remove its work tree ...
+ test_expect_success "$command: removed submodule leaves submodule directory and its contents in place" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t remove_sub1 origin/remove_sub1 &&
+ $command remove_sub1 &&
+ test_superproject_content origin/remove_sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # ... especially when it contains a .git directory.
+ test_expect_success "$command: removed submodule leaves submodule containing a .git directory alone" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t remove_sub1 origin/remove_sub1 &&
+ replace_gitfile_with_git_dir sub1 &&
+ $command remove_sub1 &&
+ test_superproject_content origin/remove_sub1 &&
+ test_git_directory_is_unchanged sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # Replacing a submodule with files in a directory must fail as the
+ # submodule work tree isn't removed ...
+ test_expect_failure "$command: replace submodule with a directory must fail" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
+ test_must_fail $command replace_sub1_with_directory &&
+ test_superproject_content origin/add_sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # ... especially when it contains a .git directory.
+ test_expect_failure "$command: replace submodule containing a .git directory with a directory must fail" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
+ replace_gitfile_with_git_dir sub1 &&
+ test_must_fail $command replace_sub1_with_directory &&
+ test_superproject_content origin/add_sub1 &&
+ test_git_directory_is_unchanged sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # Replacing it with a file must fail as it could throw away any local
+ # work tree changes ...
+ test_expect_failure "$command: replace submodule with a file must fail" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
+ test_must_fail $command replace_sub1_with_file &&
+ test_superproject_content origin/add_sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # ... or even destroy unpushed parts of submodule history if that
+ # still uses a .git directory.
+ test_expect_failure "$command: replace submodule containing a .git directory with a file must fail" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
+ replace_gitfile_with_git_dir sub1 &&
+ test_must_fail $command replace_sub1_with_file &&
+ test_superproject_content origin/add_sub1 &&
+ test_git_directory_is_unchanged sub1 &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+
+ ########################## Modified submodule #########################
+ # Updating a submodule sha1 doesn't update the submodule's work tree
+ test_expect_success "$command: modified submodule does not update submodule work tree" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t modify_sub1 origin/modify_sub1 &&
+ $command modify_sub1 &&
+ test_superproject_content origin/modify_sub1 &&
+ test_submodule_content sub1 origin/add_sub1 &&
+ git submodule update &&
+ test_submodule_content sub1 origin/modify_sub1
+ )
+ '
+ # Updating a submodule to an invalid sha1 doesn't update the
+ # submodule's work tree, subsequent update will fail
+ test_expect_success "$command: modified submodule does not update submodule work tree to invalid commit" '
+ prolog &&
+ reset_work_tree_to add_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t invalid_sub1 origin/invalid_sub1 &&
+ $command invalid_sub1 &&
+ test_superproject_content origin/invalid_sub1 &&
+ test_submodule_content sub1 origin/add_sub1 &&
+ test_must_fail git submodule update &&
+ test_submodule_content sub1 origin/add_sub1
+ )
+ '
+ # Updating a submodule from an invalid sha1 doesn't update the
+ # submodule's work tree, subsequent update will succeed
+ test_expect_success "$command: modified submodule does not update submodule work tree from invalid commit" '
+ prolog &&
+ reset_work_tree_to invalid_sub1 &&
+ (
+ cd submodule_update &&
+ git branch -t valid_sub1 origin/valid_sub1 &&
+ $command valid_sub1 &&
+ test_superproject_content origin/valid_sub1 &&
+ test_dir_is_empty sub1 &&
+ git submodule update --init --recursive &&
+ test_submodule_content sub1 origin/valid_sub1
+ )
+ '
+}
diff --git a/t/t1013-read-tree-submodule.sh b/t/t1013-read-tree-submodule.sh
new file mode 100755
index 0000000000..20526aed34
--- /dev/null
+++ b/t/t1013-read-tree-submodule.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+test_description='read-tree can handle submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+test_submodule_switch "git read-tree -u -m"
+
+test_submodule_forced_switch "git read-tree -u --reset"
+
+test_done
diff --git a/t/t2013-checkout-submodule.sh b/t/t2013-checkout-submodule.sh
index 06b18f8bc1..6847f75822 100755
--- a/t/t2013-checkout-submodule.sh
+++ b/t/t2013-checkout-submodule.sh
@@ -3,6 +3,7 @@
test_description='checkout can handle submodules'
. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
test_expect_success 'setup' '
mkdir submodule &&
@@ -62,4 +63,8 @@ test_expect_success '"checkout <submodule>" honors submodule.*.ignore from .git/
! test -s actual
'
+test_submodule_switch "git checkout"
+
+test_submodule_forced_switch "git checkout -f"
+
test_done
diff --git a/t/t3426-rebase-submodule.sh b/t/t3426-rebase-submodule.sh
new file mode 100755
index 0000000000..d5b896d445
--- /dev/null
+++ b/t/t3426-rebase-submodule.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+test_description='rebase can handle submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+. "$TEST_DIRECTORY"/lib-rebase.sh
+
+git_rebase () {
+ git status -su >expect &&
+ ls -1pR * >>expect &&
+ git checkout -b ours HEAD &&
+ echo x >>file1 &&
+ git add file1 &&
+ git commit -m add_x &&
+ git revert HEAD &&
+ git status -su >actual &&
+ ls -1pR * >>actual &&
+ test_cmp expect actual &&
+ git rebase "$1"
+}
+
+test_submodule_switch "git_rebase"
+
+git_rebase_interactive () {
+ git status -su >expect &&
+ ls -1pR * >>expect &&
+ git checkout -b ours HEAD &&
+ echo x >>file1 &&
+ git add file1 &&
+ git commit -m add_x &&
+ git revert HEAD &&
+ git status -su >actual &&
+ ls -1pR * >>actual &&
+ test_cmp expect actual &&
+ set_fake_editor &&
+ echo "fake-editor.sh" >.git/info/exclude &&
+ git rebase -i "$1"
+}
+
+KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR=1
+# The real reason "replace directory with submodule" fails is because a
+# directory "sub1" exists, but we reuse the suppression added for merge here
+test_submodule_switch "git_rebase_interactive"
+
+test_done
diff --git a/t/t3512-cherry-pick-submodule.sh b/t/t3512-cherry-pick-submodule.sh
new file mode 100755
index 0000000000..6863b7bb6f
--- /dev/null
+++ b/t/t3512-cherry-pick-submodule.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+test_description='cherry-pick can handle submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+KNOWN_FAILURE_CHERRY_PICK_SEES_EMPTY_COMMIT=1
+KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR=1
+KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES=1
+test_submodule_switch "git cherry-pick"
+
+test_done
diff --git a/t/t3513-revert-submodule.sh b/t/t3513-revert-submodule.sh
new file mode 100755
index 0000000000..a1c4e0216f
--- /dev/null
+++ b/t/t3513-revert-submodule.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+test_description='revert can handle submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+# Create a revert that moves from HEAD (including any test modifications to
+# the work tree) to $1 by first checking out $1 and reverting it. Reverting
+# the revert is the transition we test for. We tar the current work tree
+# first so we can restore the work tree test setup after doing the checkout
+# and revert. We test here that the restored work tree content is identical
+# to that at the beginning. The last revert is then tested by the framework.
+git_revert () {
+ git status -su >expect &&
+ ls -1pR * >>expect &&
+ tar czf "$TRASH_DIRECTORY/tmp.tgz" * &&
+ git checkout "$1" &&
+ git revert HEAD &&
+ rm -rf * &&
+ tar xzf "$TRASH_DIRECTORY/tmp.tgz" &&
+ git status -su >actual &&
+ ls -1pR * >>actual &&
+ test_cmp expect actual &&
+ git revert HEAD
+}
+
+KNOWN_FAILURE_CHERRY_PICK_SEES_EMPTY_COMMIT=1
+KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR=1
+test_submodule_switch "git_revert"
+
+test_done
diff --git a/t/t3906-stash-submodule.sh b/t/t3906-stash-submodule.sh
new file mode 100755
index 0000000000..d7219d6f8f
--- /dev/null
+++ b/t/t3906-stash-submodule.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+test_description='stash apply can handle submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+git_stash () {
+ git status -su >expect &&
+ ls -1pR * >>expect &&
+ git read-tree -u -m "$1" &&
+ git stash &&
+ git status -su >actual &&
+ ls -1pR * >>actual &&
+ test_cmp expect actual &&
+ git stash apply
+}
+
+KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES=1
+KNOWN_FAILURE_CHERRY_PICK_SEES_EMPTY_COMMIT=1
+KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR=1
+test_submodule_switch "git_stash"
+
+test_done
diff --git a/t/t4137-apply-submodule.sh b/t/t4137-apply-submodule.sh
new file mode 100755
index 0000000000..a9bd40a6d0
--- /dev/null
+++ b/t/t4137-apply-submodule.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+test_description='git apply handling submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+apply_index () {
+ git diff --ignore-submodules=dirty "..$1" | git apply --index -
+}
+
+test_submodule_switch "apply_index"
+
+apply_3way () {
+ git diff --ignore-submodules=dirty "..$1" | git apply --3way -
+}
+
+test_submodule_switch "apply_3way"
+
+test_done
diff --git a/t/t4255-am-submodule.sh b/t/t4255-am-submodule.sh
new file mode 100755
index 0000000000..8bde7dbb6d
--- /dev/null
+++ b/t/t4255-am-submodule.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+test_description='git am handling submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+am () {
+ git format-patch --stdout --ignore-submodules=dirty "..$1" | git am -
+}
+
+test_submodule_switch "am"
+
+am_3way () {
+ git format-patch --stdout --ignore-submodules=dirty "..$1" | git am --3way -
+}
+
+KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES=1
+test_submodule_switch "am_3way"
+
+test_done
diff --git a/t/t5572-pull-submodule.sh b/t/t5572-pull-submodule.sh
new file mode 100755
index 0000000000..accfa5cc0c
--- /dev/null
+++ b/t/t5572-pull-submodule.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+test_description='pull can handle submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+reset_branch_to_HEAD () {
+ git branch -D "$1" &&
+ git checkout -b "$1" HEAD &&
+ git branch --set-upstream-to="origin/$1" "$1"
+}
+
+git_pull () {
+ reset_branch_to_HEAD "$1" &&
+ git pull
+}
+
+# pulls without conflicts
+test_submodule_switch "git_pull"
+
+git_pull_ff () {
+ reset_branch_to_HEAD "$1" &&
+ git pull --ff
+}
+
+test_submodule_switch "git_pull_ff"
+
+git_pull_ff_only () {
+ reset_branch_to_HEAD "$1" &&
+ git pull --ff-only
+}
+
+test_submodule_switch "git_pull_ff_only"
+
+git_pull_noff () {
+ reset_branch_to_HEAD "$1" &&
+ git pull --no-ff
+}
+
+KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR=1
+KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES=1
+test_submodule_switch "git_pull_noff"
+
+test_done
diff --git a/t/t6041-bisect-submodule.sh b/t/t6041-bisect-submodule.sh
new file mode 100755
index 0000000000..c6b7aa6977
--- /dev/null
+++ b/t/t6041-bisect-submodule.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+test_description='bisect can handle submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+git_bisect () {
+ git status -su >expect &&
+ ls -1pR * >>expect &&
+ tar czf "$TRASH_DIRECTORY/tmp.tgz" * &&
+ GOOD=$(git rev-parse --verify HEAD) &&
+ git checkout "$1" &&
+ echo "foo" >bar &&
+ git add bar &&
+ git commit -m "bisect bad" &&
+ BAD=$(git rev-parse --verify HEAD) &&
+ git reset --hard HEAD^^ &&
+ git submodule update &&
+ git bisect start &&
+ git bisect good $GOOD &&
+ rm -rf * &&
+ tar xzf "$TRASH_DIRECTORY/tmp.tgz" &&
+ git status -su >actual &&
+ ls -1pR * >>actual &&
+ test_cmp expect actual &&
+ git bisect bad $BAD
+}
+
+test_submodule_switch "git_bisect"
+
+test_done
diff --git a/t/t7112-reset-submodule.sh b/t/t7112-reset-submodule.sh
new file mode 100755
index 0000000000..2eda6adeb1
--- /dev/null
+++ b/t/t7112-reset-submodule.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+test_description='reset can handle submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+test_submodule_switch "git reset --keep"
+
+test_submodule_switch "git reset --merge"
+
+test_submodule_forced_switch "git reset --hard"
+
+test_done
diff --git a/t/t7613-merge-submodule.sh b/t/t7613-merge-submodule.sh
new file mode 100755
index 0000000000..d1e9fcc781
--- /dev/null
+++ b/t/t7613-merge-submodule.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+test_description='merge can handle submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+# merges without conflicts
+test_submodule_switch "git merge"
+
+test_submodule_switch "git merge --ff"
+
+test_submodule_switch "git merge --ff-only"
+
+KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR=1
+KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES=1
+test_submodule_switch "git merge --no-ff"
+
+test_done
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index 0377d3e296..dafd6ad21a 100644
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh
@@ -489,6 +489,17 @@ test_path_is_dir () {
fi
}
+# Check if the directory exists and is empty as expected, barf otherwise.
+test_dir_is_empty () {
+ test_path_is_dir "$1" &&
+ if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')"
+ then
+ echo "Directory '$1' is not empty, it contains:"
+ ls -la "$1"
+ return 1
+ fi
+}
+
test_path_is_missing () {
if [ -e "$1" ]
then
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 07:01:37 +0000