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25804914fa
A new known failure mode is introduced[1], which is actually not a failure but a feature in read-tree. Unlike checkout for which the recursive submodule tests were originally written, read-tree does warn about ignored untracked files that would be overwritten. For the sake of keeping the test library for submodules generic, just mark the test as a failure. [1] KNOWN_FAILURE_SUBMODULE_OVERWRITE_IGNORED_UNTRACKED Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
1226 lines
42 KiB
Bash
Executable File
1226 lines
42 KiB
Bash
Executable File
# Create a submodule layout used for all tests below.
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#
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# The following use cases are covered:
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# - New submodule (no_submodule => add_sub1)
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# - Removed submodule (add_sub1 => remove_sub1)
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# - Updated submodule (add_sub1 => modify_sub1)
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# - Updated submodule recursively (add_nested_sub => modify_sub1_recursively)
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# - Submodule updated to invalid commit (add_sub1 => invalid_sub1)
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# - Submodule updated from invalid commit (invalid_sub1 => valid_sub1)
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# - Submodule replaced by tracked files in directory (add_sub1 =>
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# replace_sub1_with_directory)
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# - Directory containing tracked files replaced by submodule
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# (replace_sub1_with_directory => replace_directory_with_sub1)
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# - Submodule replaced by tracked file with the same name (add_sub1 =>
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# replace_sub1_with_file)
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# - Tracked file replaced by submodule (replace_sub1_with_file =>
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# replace_file_with_sub1)
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#
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# ----O
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# / ^
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# / remove_sub1
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# /
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# add_sub1 /-------O---------O--------O modify_sub1_recursively
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# | / ^ add_nested_sub
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# | / modify_sub1
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# v/
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# O------O-----------O---------O
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# ^ \ ^ replace_directory_with_sub1
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# | \ replace_sub1_with_directory
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# no_submodule \
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# --------O---------O
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# \ ^ replace_file_with_sub1
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# \ replace_sub1_with_file
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# \
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# ----O---------O
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# ^ valid_sub1
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# invalid_sub1
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#
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create_lib_submodule_repo () {
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git init submodule_update_sub1 &&
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(
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cd submodule_update_sub1 &&
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echo "expect" >>.gitignore &&
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echo "actual" >>.gitignore &&
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echo "x" >file1 &&
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echo "y" >file2 &&
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git add .gitignore file1 file2 &&
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git commit -m "Base inside first submodule" &&
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git branch "no_submodule"
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) &&
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git init submodule_update_sub2 &&
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(
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cd submodule_update_sub2
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echo "expect" >>.gitignore &&
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echo "actual" >>.gitignore &&
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echo "x" >file1 &&
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echo "y" >file2 &&
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git add .gitignore file1 file2 &&
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git commit -m "nested submodule base" &&
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git branch "no_submodule"
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) &&
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git init submodule_update_repo &&
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(
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cd submodule_update_repo &&
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echo "expect" >>.gitignore &&
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echo "actual" >>.gitignore &&
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echo "x" >file1 &&
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echo "y" >file2 &&
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git add .gitignore file1 file2 &&
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git commit -m "Base" &&
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git branch "no_submodule" &&
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git checkout -b "add_sub1" &&
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git submodule add ../submodule_update_sub1 sub1 &&
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git config -f .gitmodules submodule.sub1.ignore all &&
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git config submodule.sub1.ignore all &&
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git add .gitmodules &&
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git commit -m "Add sub1" &&
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git checkout -b remove_sub1 add_sub1 &&
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git revert HEAD &&
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git checkout -b modify_sub1 add_sub1 &&
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git submodule update &&
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(
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cd sub1 &&
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git fetch &&
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git checkout -b "modifications" &&
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echo "z" >file2 &&
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echo "x" >file3 &&
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git add file2 file3 &&
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git commit -m "modified file2 and added file3" &&
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git push origin modifications
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) &&
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git add sub1 &&
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git commit -m "Modify sub1" &&
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git checkout -b add_nested_sub modify_sub1 &&
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git -C sub1 checkout -b "add_nested_sub" &&
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git -C sub1 submodule add --branch no_submodule ../submodule_update_sub2 sub2 &&
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git -C sub1 commit -a -m "add a nested submodule" &&
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git add sub1 &&
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git commit -a -m "update submodule, that updates a nested submodule" &&
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git checkout -b modify_sub1_recursively &&
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git -C sub1 checkout -b modify_sub1_recursively &&
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git -C sub1/sub2 checkout -b modify_sub1_recursively &&
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echo change >sub1/sub2/file3 &&
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git -C sub1/sub2 add file3 &&
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git -C sub1/sub2 commit -m "make a change in nested sub" &&
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git -C sub1 add sub2 &&
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git -C sub1 commit -m "update nested sub" &&
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git add sub1 &&
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git commit -m "update sub1, that updates nested sub" &&
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git -C sub1 push origin modify_sub1_recursively &&
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git -C sub1/sub2 push origin modify_sub1_recursively &&
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git -C sub1 submodule deinit -f --all &&
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git checkout -b replace_sub1_with_directory add_sub1 &&
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git submodule update &&
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git -C sub1 checkout modifications &&
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git rm --cached sub1 &&
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rm sub1/.git* &&
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git config -f .gitmodules --remove-section "submodule.sub1" &&
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git add .gitmodules sub1/* &&
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git commit -m "Replace sub1 with directory" &&
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git checkout -b replace_directory_with_sub1 &&
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git revert HEAD &&
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git checkout -b replace_sub1_with_file add_sub1 &&
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git rm sub1 &&
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echo "content" >sub1 &&
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git add sub1 &&
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git commit -m "Replace sub1 with file" &&
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git checkout -b replace_file_with_sub1 &&
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git revert HEAD &&
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git checkout -b invalid_sub1 add_sub1 &&
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git update-index --cacheinfo 160000 0123456789012345678901234567890123456789 sub1 &&
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git commit -m "Invalid sub1 commit" &&
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git checkout -b valid_sub1 &&
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git revert HEAD &&
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git checkout master
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)
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}
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# Helper function to replace gitfile with .git directory
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replace_gitfile_with_git_dir () {
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(
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cd "$1" &&
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git_dir="$(git rev-parse --git-dir)" &&
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rm -f .git &&
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cp -R "$git_dir" .git &&
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GIT_WORK_TREE=. git config --unset core.worktree
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)
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}
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# Test that the .git directory in the submodule is unchanged (except for the
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# core.worktree setting, which appears only in $GIT_DIR/modules/$1/config).
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# Call this function before test_submodule_content as the latter might
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# write the index file leading to false positive index differences.
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#
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# Note that this only supports submodules at the root level of the
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# superproject, with the default name, i.e. same as its path.
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test_git_directory_is_unchanged () {
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(
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cd ".git/modules/$1" &&
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# does core.worktree point at the right place?
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test "$(git config core.worktree)" = "../../../$1" &&
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# remove it temporarily before comparing, as
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# "$1/.git/config" lacks it...
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git config --unset core.worktree
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) &&
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diff -r ".git/modules/$1" "$1/.git" &&
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(
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# ... and then restore.
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cd ".git/modules/$1" &&
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git config core.worktree "../../../$1"
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)
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}
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test_git_directory_exists() {
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test -e ".git/modules/$1" &&
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if test -f sub1/.git
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then
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# does core.worktree point at the right place?
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test "$(git -C .git/modules/$1 config core.worktree)" = "../../../$1"
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fi
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}
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# Helper function to be executed at the start of every test below, it sets up
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# the submodule repo if it doesn't exist and configures the most problematic
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# settings for diff.ignoreSubmodules.
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prolog () {
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(test -d submodule_update_repo || create_lib_submodule_repo) &&
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test_config_global diff.ignoreSubmodules all &&
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test_config diff.ignoreSubmodules all
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}
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# Helper function to bring work tree back into the state given by the
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# commit. This includes trying to populate sub1 accordingly if it exists and
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# should be updated to an existing commit.
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reset_work_tree_to () {
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rm -rf submodule_update &&
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git clone submodule_update_repo submodule_update &&
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(
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cd submodule_update &&
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rm -rf sub1 &&
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git checkout -f "$1" &&
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git status -u -s >actual &&
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test_must_be_empty actual &&
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hash=$(git rev-parse --revs-only HEAD:sub1) &&
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if test -n "$hash" &&
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test $(cd "../submodule_update_sub1" && git rev-parse --verify "$hash^{commit}")
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then
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git submodule update --init --recursive "sub1"
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fi
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)
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}
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reset_work_tree_to_interested () {
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reset_work_tree_to $1 &&
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# make the submodule git dirs available
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if ! test -d submodule_update/.git/modules/sub1
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then
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mkdir -p submodule_update/.git/modules &&
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cp -r submodule_update_repo/.git/modules/sub1 submodule_update/.git/modules/sub1
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GIT_WORK_TREE=. git -C submodule_update/.git/modules/sub1 config --unset core.worktree
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fi &&
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if ! test -d submodule_update/.git/modules/sub1/modules/sub2
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then
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mkdir -p submodule_update/.git/modules/sub1/modules &&
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cp -r submodule_update_repo/.git/modules/sub1/modules/sub2 submodule_update/.git/modules/sub1/modules/sub2
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GIT_WORK_TREE=. git -C submodule_update/.git/modules/sub1/modules/sub2 config --unset core.worktree
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fi &&
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# indicate we are interested in the submodule:
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git -C submodule_update config submodule.sub1.url "bogus" &&
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# sub1 might not be checked out, so use the git dir
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git -C submodule_update/.git/modules/sub1 config submodule.sub2.url "bogus"
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}
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# Test that the superproject contains the content according to commit "$1"
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# (the work tree must match the index for everything but submodules but the
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# index must exactly match the given commit including any submodule SHA-1s).
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test_superproject_content () {
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git diff-index --cached "$1" >actual &&
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test_must_be_empty actual &&
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git diff-files --ignore-submodules >actual &&
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test_must_be_empty actual
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}
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# Test that the given submodule at path "$1" contains the content according
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# to the submodule commit recorded in the superproject's commit "$2"
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test_submodule_content () {
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if test x"$1" = "x-C"
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then
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cd "$2"
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shift; shift;
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fi
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if test $# != 2
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then
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echo "test_submodule_content needs two arguments"
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return 1
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fi &&
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submodule="$1" &&
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commit="$2" &&
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test -d "$submodule"/ &&
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if ! test -f "$submodule"/.git && ! test -d "$submodule"/.git
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then
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echo "Submodule $submodule is not populated"
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return 1
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fi &&
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sha1=$(git rev-parse --verify "$commit:$submodule") &&
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if test -z "$sha1"
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then
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echo "Couldn't retrieve SHA-1 of $submodule for $commit"
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return 1
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fi &&
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(
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cd "$submodule" &&
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git status -u -s >actual &&
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test_must_be_empty actual &&
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git diff "$sha1" >actual &&
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test_must_be_empty actual
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)
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}
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# Test that the following transitions are correctly handled:
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# - Updated submodule
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# - New submodule
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# - Removed submodule
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# - Directory containing tracked files replaced by submodule
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# - Submodule replaced by tracked files in directory
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# - Submodule replaced by tracked file with the same name
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# - tracked file replaced by submodule
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#
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# The default is that submodule contents aren't changed until "git submodule
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# update" is run. And even then that command doesn't delete the work tree of
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# a removed submodule.
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#
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# Removing a submodule containing a .git directory must fail even when forced
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# to protect the history!
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#
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# Test that submodule contents are currently not updated when switching
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# between commits that change a submodule.
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test_submodule_switch () {
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command="$1"
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######################### Appearing submodule #########################
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# Switching to a commit letting a submodule appear creates empty dir ...
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if test "$KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES" = 1
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then
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# Restoring stash fails to restore submodule index entry
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RESULT="failure"
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else
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RESULT="success"
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fi
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test_expect_$RESULT "$command: added submodule creates empty directory" '
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prolog &&
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reset_work_tree_to no_submodule &&
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(
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cd submodule_update &&
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git branch -t add_sub1 origin/add_sub1 &&
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$command add_sub1 &&
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test_superproject_content origin/add_sub1 &&
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test_dir_is_empty sub1 &&
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git submodule update --init --recursive &&
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test_submodule_content sub1 origin/add_sub1
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)
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'
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# ... and doesn't care if it already exists ...
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test_expect_$RESULT "$command: added submodule leaves existing empty directory alone" '
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prolog &&
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reset_work_tree_to no_submodule &&
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(
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cd submodule_update &&
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mkdir sub1 &&
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git branch -t add_sub1 origin/add_sub1 &&
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$command add_sub1 &&
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test_superproject_content origin/add_sub1 &&
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test_dir_is_empty sub1 &&
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git submodule update --init --recursive &&
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test_submodule_content sub1 origin/add_sub1
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)
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'
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# ... unless there is an untracked file in its place.
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test_expect_success "$command: added submodule doesn't remove untracked unignored file with same name" '
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prolog &&
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reset_work_tree_to no_submodule &&
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(
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cd submodule_update &&
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git branch -t add_sub1 origin/add_sub1 &&
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>sub1 &&
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test_must_fail $command add_sub1 &&
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test_superproject_content origin/no_submodule &&
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test_must_be_empty sub1
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)
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'
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# Replacing a tracked file with a submodule produces an empty
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# directory ...
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test_expect_$RESULT "$command: replace tracked file with submodule creates empty directory" '
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prolog &&
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reset_work_tree_to replace_sub1_with_file &&
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(
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cd submodule_update &&
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git branch -t replace_file_with_sub1 origin/replace_file_with_sub1 &&
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$command replace_file_with_sub1 &&
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test_superproject_content origin/replace_file_with_sub1 &&
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test_dir_is_empty sub1 &&
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git submodule update --init --recursive &&
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test_submodule_content sub1 origin/replace_file_with_sub1
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)
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'
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# ... as does removing a directory with tracked files with a
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# submodule.
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if test "$KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR" = 1
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then
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# Non fast-forward merges fail with "Directory sub1 doesn't
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# exist. sub1" because the empty submodule directory is not
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# created
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RESULT="failure"
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else
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RESULT="success"
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fi
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test_expect_$RESULT "$command: replace directory with submodule" '
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prolog &&
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reset_work_tree_to replace_sub1_with_directory &&
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(
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cd submodule_update &&
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git branch -t replace_directory_with_sub1 origin/replace_directory_with_sub1 &&
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$command replace_directory_with_sub1 &&
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test_superproject_content origin/replace_directory_with_sub1 &&
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test_dir_is_empty sub1 &&
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git submodule update --init --recursive &&
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test_submodule_content sub1 origin/replace_directory_with_sub1
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)
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'
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######################## Disappearing submodule #######################
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# Removing a submodule doesn't remove its work tree ...
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if test "$KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES" = 1
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then
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RESULT="failure"
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else
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RESULT="success"
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fi
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test_expect_$RESULT "$command: removed submodule leaves submodule directory and its contents in place" '
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prolog &&
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reset_work_tree_to add_sub1 &&
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(
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cd submodule_update &&
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git branch -t remove_sub1 origin/remove_sub1 &&
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$command remove_sub1 &&
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test_superproject_content origin/remove_sub1 &&
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test_submodule_content sub1 origin/add_sub1
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)
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'
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# ... especially when it contains a .git directory.
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test_expect_$RESULT "$command: removed submodule leaves submodule containing a .git directory alone" '
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prolog &&
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reset_work_tree_to add_sub1 &&
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(
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cd submodule_update &&
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git branch -t remove_sub1 origin/remove_sub1 &&
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replace_gitfile_with_git_dir sub1 &&
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$command remove_sub1 &&
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test_superproject_content origin/remove_sub1 &&
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test_git_directory_is_unchanged sub1 &&
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test_submodule_content sub1 origin/add_sub1
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)
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'
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# Replacing a submodule with files in a directory must fail as the
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# submodule work tree isn't removed ...
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if test "$KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES" = 1
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then
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# Non fast-forward merges attempt to merge the former
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# submodule files with the newly checked out ones in the
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# directory of the same name while it shouldn't.
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RESULT="failure"
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else
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RESULT="success"
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fi
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test_expect_$RESULT "$command: replace submodule with a directory must fail" '
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prolog &&
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reset_work_tree_to add_sub1 &&
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(
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cd submodule_update &&
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git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
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test_must_fail $command replace_sub1_with_directory &&
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test_superproject_content origin/add_sub1 &&
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test_submodule_content sub1 origin/add_sub1
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)
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'
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# ... especially when it contains a .git directory.
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test_expect_$RESULT "$command: replace submodule containing a .git directory with a directory must fail" '
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prolog &&
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reset_work_tree_to add_sub1 &&
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(
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cd submodule_update &&
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git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
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replace_gitfile_with_git_dir sub1 &&
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test_must_fail $command replace_sub1_with_directory &&
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test_superproject_content origin/add_sub1 &&
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test_git_directory_is_unchanged sub1 &&
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test_submodule_content sub1 origin/add_sub1
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)
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'
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# Replacing it with a file must fail as it could throw away any local
|
|
# work tree changes ...
|
|
test_expect_failure "$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
|
|
)
|
|
'
|
|
}
|
|
|
|
# Test that submodule contents are correctly updated when switching
|
|
# between commits that change a submodule.
|
|
# Test that the following transitions are correctly handled:
|
|
# (These tests are also above in the case where we expect no change
|
|
# in the submodule)
|
|
# - 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
|
|
#
|
|
# New test cases
|
|
# - Removing a submodule with a git directory absorbs the submodules
|
|
# git directory first into the superproject.
|
|
|
|
test_submodule_switch_recursing () {
|
|
command="$1"
|
|
RESULTDS=success
|
|
if test "$KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS" = 1
|
|
then
|
|
RESULTDS=failure
|
|
fi
|
|
RESULTR=success
|
|
if test "$KNOWN_FAILURE_SUBMODULE_RECURSIVE_NESTED" = 1
|
|
then
|
|
RESULTR=failure
|
|
fi
|
|
RESULTOI=success
|
|
if test "$KNOWN_FAILURE_SUBMODULE_OVERWRITE_IGNORED_UNTRACKED" = 1
|
|
then
|
|
RESULTOI=failure
|
|
fi
|
|
######################### Appearing submodule #########################
|
|
# Switching to a commit letting a submodule appear checks it out ...
|
|
test_expect_success "$command: added submodule is checked out" '
|
|
prolog &&
|
|
reset_work_tree_to_interested no_submodule &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t add_sub1 origin/add_sub1 &&
|
|
$command add_sub1 &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# ... ignoring an empty existing directory ...
|
|
test_expect_success "$command: added submodule is checked out in empty dir" '
|
|
prolog &&
|
|
reset_work_tree_to_interested no_submodule &&
|
|
(
|
|
cd submodule_update &&
|
|
mkdir sub1 &&
|
|
git branch -t add_sub1 origin/add_sub1 &&
|
|
$command add_sub1 &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# ... unless there is an untracked file in its place.
|
|
test_expect_success "$command: added submodule doesn't remove untracked file with same name" '
|
|
prolog &&
|
|
reset_work_tree_to_interested no_submodule &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t add_sub1 origin/add_sub1 &&
|
|
: >sub1 &&
|
|
test_must_fail $command add_sub1 &&
|
|
test_superproject_content origin/no_submodule &&
|
|
test_must_be_empty sub1
|
|
)
|
|
'
|
|
# ... but an ignored file is fine.
|
|
test_expect_$RESULTOI "$command: added submodule removes an untracked ignored file" '
|
|
test_when_finished "rm submodule_update/.git/info/exclude" &&
|
|
prolog &&
|
|
reset_work_tree_to_interested no_submodule &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t add_sub1 origin/add_sub1 &&
|
|
: >sub1 &&
|
|
echo sub1 >.git/info/exclude
|
|
$command add_sub1 &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# Replacing a tracked file with a submodule produces a checked out submodule
|
|
test_expect_success "$command: replace tracked file with submodule checks out submodule" '
|
|
prolog &&
|
|
reset_work_tree_to_interested replace_sub1_with_file &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_file_with_sub1 origin/replace_file_with_sub1 &&
|
|
$command replace_file_with_sub1 &&
|
|
test_superproject_content origin/replace_file_with_sub1 &&
|
|
test_submodule_content sub1 origin/replace_file_with_sub1
|
|
)
|
|
'
|
|
# ... as does removing a directory with tracked files with a submodule.
|
|
test_expect_success "$command: replace directory with submodule" '
|
|
prolog &&
|
|
reset_work_tree_to_interested replace_sub1_with_directory &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_directory_with_sub1 origin/replace_directory_with_sub1 &&
|
|
$command replace_directory_with_sub1 &&
|
|
test_superproject_content origin/replace_directory_with_sub1 &&
|
|
test_submodule_content sub1 origin/replace_directory_with_sub1
|
|
)
|
|
'
|
|
|
|
######################## Disappearing submodule #######################
|
|
# Removing a submodule removes its work tree ...
|
|
test_expect_success "$command: removed submodule removes submodules working tree" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t remove_sub1 origin/remove_sub1 &&
|
|
$command remove_sub1 &&
|
|
test_superproject_content origin/remove_sub1 &&
|
|
! test -e sub1
|
|
)
|
|
'
|
|
# ... absorbing a .git directory along the way.
|
|
test_expect_success "$command: removed submodule absorbs submodules .git directory" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t remove_sub1 origin/remove_sub1 &&
|
|
replace_gitfile_with_git_dir sub1 &&
|
|
rm -rf .git/modules &&
|
|
$command remove_sub1 &&
|
|
test_superproject_content origin/remove_sub1 &&
|
|
! test -e sub1 &&
|
|
test_git_directory_exists sub1
|
|
)
|
|
'
|
|
# Replacing a submodule with files in a directory must succeeds
|
|
# when the submodule is clean
|
|
test_expect_$RESULTDS "$command: replace submodule with a directory" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
|
|
$command replace_sub1_with_directory &&
|
|
test_superproject_content origin/replace_sub1_with_directory &&
|
|
test_submodule_content sub1 origin/replace_sub1_with_directory
|
|
)
|
|
'
|
|
# ... absorbing a .git directory.
|
|
test_expect_$RESULTDS "$command: replace submodule containing a .git directory with a directory must absorb the git dir" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
|
|
replace_gitfile_with_git_dir sub1 &&
|
|
rm -rf .git/modules &&
|
|
$command replace_sub1_with_directory &&
|
|
test_superproject_content origin/replace_sub1_with_directory &&
|
|
test_git_directory_exists sub1
|
|
)
|
|
'
|
|
|
|
# Replacing it with a file ...
|
|
test_expect_success "$command: replace submodule with a file" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
|
|
$command replace_sub1_with_file &&
|
|
test_superproject_content origin/replace_sub1_with_file &&
|
|
test -f sub1
|
|
)
|
|
'
|
|
|
|
# ... must check its local work tree for untracked files
|
|
test_expect_$RESULTDS "$command: replace submodule with a file must fail with untracked files" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
|
|
: >sub1/untrackedfile &&
|
|
test_must_fail $command replace_sub1_with_file &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
|
|
# ... and ignored files are ignored
|
|
test_expect_success "$command: replace submodule with a file works ignores ignored files in submodule" '
|
|
test_when_finished "rm submodule_update/.git/modules/sub1/info/exclude" &&
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
|
|
: >sub1/ignored &&
|
|
$command replace_sub1_with_file &&
|
|
test_superproject_content origin/replace_sub1_with_file &&
|
|
test -f sub1
|
|
)
|
|
'
|
|
|
|
########################## Modified submodule #########################
|
|
# Updating a submodule sha1 updates the submodule's work tree
|
|
test_expect_success "$command: modified submodule updates submodule work tree" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t modify_sub1 origin/modify_sub1 &&
|
|
$command modify_sub1 &&
|
|
test_superproject_content origin/modify_sub1 &&
|
|
test_submodule_content sub1 origin/modify_sub1
|
|
)
|
|
'
|
|
|
|
# Updating a submodule to an invalid sha1 doesn't update the
|
|
# superproject nor the submodule's work tree.
|
|
test_expect_success "$command: updating to a missing submodule commit fails" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t invalid_sub1 origin/invalid_sub1 &&
|
|
test_must_fail $command invalid_sub1 &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
|
|
# recursing deeper than one level doesn't work yet.
|
|
test_expect_$RESULTR "$command: modified submodule updates submodule recursively" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_nested_sub &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t modify_sub1_recursively origin/modify_sub1_recursively &&
|
|
$command modify_sub1_recursively &&
|
|
test_superproject_content origin/modify_sub1_recursively &&
|
|
test_submodule_content sub1 origin/modify_sub1_recursively &&
|
|
test_submodule_content -C sub1 sub2 origin/modify_sub1_recursively
|
|
)
|
|
'
|
|
}
|
|
|
|
# Test that submodule contents are updated when switching between commits
|
|
# that change a submodule, but throwing away local changes in
|
|
# the superproject as well as the submodule is allowed.
|
|
test_submodule_forced_switch_recursing () {
|
|
command="$1"
|
|
RESULT=success
|
|
if test "$KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS" = 1
|
|
then
|
|
RESULT=failure
|
|
fi
|
|
######################### Appearing submodule #########################
|
|
# Switching to a commit letting a submodule appear creates empty dir ...
|
|
test_expect_success "$command: added submodule is checked out" '
|
|
prolog &&
|
|
reset_work_tree_to_interested no_submodule &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t add_sub1 origin/add_sub1 &&
|
|
$command add_sub1 &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# ... and doesn't care if it already exists ...
|
|
test_expect_success "$command: added submodule ignores empty directory" '
|
|
prolog &&
|
|
reset_work_tree_to_interested no_submodule &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t add_sub1 origin/add_sub1 &&
|
|
mkdir sub1 &&
|
|
$command add_sub1 &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# ... not caring about an untracked file either
|
|
test_expect_success "$command: added submodule does remove untracked unignored file with same name when forced" '
|
|
prolog &&
|
|
reset_work_tree_to_interested no_submodule &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t add_sub1 origin/add_sub1 &&
|
|
>sub1 &&
|
|
$command add_sub1 &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# Replacing a tracked file with a submodule checks out the submodule
|
|
test_expect_success "$command: replace tracked file with submodule populates the submodule" '
|
|
prolog &&
|
|
reset_work_tree_to_interested replace_sub1_with_file &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_file_with_sub1 origin/replace_file_with_sub1 &&
|
|
$command replace_file_with_sub1 &&
|
|
test_superproject_content origin/replace_file_with_sub1 &&
|
|
test_submodule_content sub1 origin/replace_file_with_sub1
|
|
)
|
|
'
|
|
# ... as does removing a directory with tracked files with a
|
|
# submodule.
|
|
test_expect_success "$command: replace directory with submodule" '
|
|
prolog &&
|
|
reset_work_tree_to_interested replace_sub1_with_directory &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_directory_with_sub1 origin/replace_directory_with_sub1 &&
|
|
$command replace_directory_with_sub1 &&
|
|
test_superproject_content origin/replace_directory_with_sub1 &&
|
|
test_submodule_content sub1 origin/replace_directory_with_sub1
|
|
)
|
|
'
|
|
|
|
######################## Disappearing submodule #######################
|
|
# Removing a submodule doesn't remove its work tree ...
|
|
test_expect_success "$command: removed submodule leaves submodule directory and its contents in place" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t remove_sub1 origin/remove_sub1 &&
|
|
$command remove_sub1 &&
|
|
test_superproject_content origin/remove_sub1 &&
|
|
! test -e sub1
|
|
)
|
|
'
|
|
# ... especially when it contains a .git directory.
|
|
test_expect_success "$command: removed submodule leaves submodule containing a .git directory alone" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t remove_sub1 origin/remove_sub1 &&
|
|
replace_gitfile_with_git_dir sub1 &&
|
|
rm -rf .git/modules/sub1 &&
|
|
$command remove_sub1 &&
|
|
test_superproject_content origin/remove_sub1 &&
|
|
test_git_directory_exists sub1 &&
|
|
! test -e sub1
|
|
)
|
|
'
|
|
# Replacing a submodule with files in a directory ...
|
|
test_expect_success "$command: replace submodule with a directory" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
|
|
$command replace_sub1_with_directory &&
|
|
test_superproject_content origin/replace_sub1_with_directory
|
|
)
|
|
'
|
|
# ... absorbing a .git directory.
|
|
test_expect_success "$command: replace submodule containing a .git directory with a directory must fail" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
|
|
replace_gitfile_with_git_dir sub1 &&
|
|
rm -rf .git/modules/sub1 &&
|
|
$command replace_sub1_with_directory &&
|
|
test_superproject_content origin/replace_sub1_with_directory &&
|
|
test_submodule_content sub1 origin/modify_sub1
|
|
test_git_directory_exists sub1
|
|
)
|
|
'
|
|
# Replacing it with a file
|
|
test_expect_success "$command: replace submodule with a file" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
|
|
$command replace_sub1_with_file &&
|
|
test_superproject_content origin/replace_sub1_with_file
|
|
)
|
|
'
|
|
|
|
# ... even if the submodule contains ignored files
|
|
test_expect_success "$command: replace submodule with a file ignoring ignored files" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
|
|
: >sub1/expect &&
|
|
$command replace_sub1_with_file &&
|
|
test_superproject_content origin/replace_sub1_with_file
|
|
)
|
|
'
|
|
|
|
# ... but stops for untracked files that would be lost
|
|
test_expect_$RESULT "$command: replace submodule with a file stops for untracked files" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
|
|
: >sub1/untracked_file &&
|
|
test_must_fail $command replace_sub1_with_file &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test -f sub1/untracked_file
|
|
)
|
|
'
|
|
|
|
########################## Modified submodule #########################
|
|
# Updating a submodule sha1 updates the submodule's work tree
|
|
test_expect_success "$command: modified submodule updates submodule work tree" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t modify_sub1 origin/modify_sub1 &&
|
|
$command modify_sub1 &&
|
|
test_superproject_content origin/modify_sub1 &&
|
|
test_submodule_content sub1 origin/modify_sub1
|
|
)
|
|
'
|
|
# Updating a submodule to an invalid sha1 doesn't update the
|
|
# submodule's work tree, subsequent update will fail
|
|
test_expect_success "$command: modified submodule does not update submodule work tree to invalid commit" '
|
|
prolog &&
|
|
reset_work_tree_to_interested add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t invalid_sub1 origin/invalid_sub1 &&
|
|
test_must_fail $command invalid_sub1 &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# Updating a submodule from an invalid sha1 updates
|
|
test_expect_success "$command: modified submodule does not update submodule work tree from invalid commit" '
|
|
prolog &&
|
|
reset_work_tree_to_interested invalid_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t valid_sub1 origin/valid_sub1 &&
|
|
test_must_fail $command valid_sub1 &&
|
|
test_superproject_content origin/invalid_sub1
|
|
)
|
|
'
|
|
}
|