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1096 lines
37 KiB
1096 lines
37 KiB
# 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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|
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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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|
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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 submodule add ../submodule_update_sub1 uninitialized_sub && |
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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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|
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git checkout -b remove_sub1 add_sub1 && |
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git revert HEAD && |
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|
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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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|
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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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|
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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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|
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git checkout -b replace_directory_with_sub1 && |
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git revert HEAD && |
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|
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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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|
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git checkout -b replace_file_with_sub1 && |
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git revert HEAD && |
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|
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git checkout -b invalid_sub1 add_sub1 && |
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git update-index --cacheinfo 160000 $(test_oid numeric) 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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|
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git checkout master |
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) |
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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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|
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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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|
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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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|
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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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|
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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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|
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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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# core.worktree is unset for sub2 as it is not checked out |
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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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|
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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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|
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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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# The first argument of the callback function will be the name of the 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! If we are testing this case, the second argument of |
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# the callback function will be 'test_must_fail', else it will be the empty |
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# string. |
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# |
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|
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# Internal function; use test_submodule_switch_func(), test_submodule_switch(), |
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# or test_submodule_forced_switch() instead. |
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test_submodule_switch_common () { |
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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 |
|
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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$command add_sub1 && |
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test_superproject_content origin/add_sub1 && |
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test_dir_is_empty sub1 && |
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git submodule update --init --recursive && |
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test_submodule_content sub1 origin/add_sub1 |
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) |
|
' |
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# ... and doesn't care if it already exists. |
|
test_expect_$RESULT "$command: added submodule leaves existing empty directory alone" ' |
|
prolog && |
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reset_work_tree_to no_submodule && |
|
( |
|
cd submodule_update && |
|
mkdir sub1 && |
|
git branch -t add_sub1 origin/add_sub1 && |
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$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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) |
|
' |
|
# 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" ' |
|
prolog && |
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reset_work_tree_to replace_sub1_with_file && |
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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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$command replace_file_with_sub1 && |
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test_superproject_content origin/replace_file_with_sub1 && |
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test_dir_is_empty sub1 && |
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git submodule update --init --recursive && |
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test_submodule_content sub1 origin/replace_file_with_sub1 |
|
) |
|
' |
|
# ... as does removing a directory with tracked files with a |
|
# submodule. |
|
if test "$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 && |
|
$command replace_directory_with_sub1 && |
|
test_superproject_content origin/replace_directory_with_sub1 && |
|
test_dir_is_empty sub1 && |
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git submodule update --init --recursive && |
|
test_submodule_content sub1 origin/replace_directory_with_sub1 |
|
) |
|
' |
|
|
|
######################## Disappearing submodule ####################### |
|
# Removing a submodule doesn't remove its work tree ... |
|
if test "$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" |
|
elif test "$KNOWN_FAILURE_FORCED_SWITCH_TESTS" = 1 |
|
then |
|
# All existing tests that use test_submodule_forced_switch() |
|
# require this. |
|
RESULT="failure" |
|
else |
|
RESULT="success" |
|
fi |
|
test_expect_$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 && |
|
$command replace_sub1_with_directory test_must_fail && |
|
test_superproject_content origin/add_sub1 && |
|
test_submodule_content sub1 origin/add_sub1 |
|
) |
|
' |
|
# ... especially when it contains a .git directory. |
|
test_expect_$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 && |
|
$command replace_sub1_with_directory test_must_fail && |
|
test_superproject_content origin/add_sub1 && |
|
test_git_directory_is_unchanged sub1 && |
|
test_submodule_content sub1 origin/add_sub1 |
|
) |
|
' |
|
# Replacing it with a file must fail as it could throw away any local |
|
# work tree changes ... |
|
test_expect_failure "$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 && |
|
$command replace_sub1_with_file test_must_fail && |
|
test_superproject_content origin/add_sub1 && |
|
test_submodule_content sub1 origin/add_sub1 |
|
) |
|
' |
|
# ... or even destroy unpushed parts of submodule history if that |
|
# still uses a .git directory. |
|
test_expect_failure "$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 && |
|
$command replace_sub1_with_file test_must_fail && |
|
test_superproject_content origin/add_sub1 && |
|
test_git_directory_is_unchanged sub1 && |
|
test_submodule_content sub1 origin/add_sub1 |
|
) |
|
' |
|
|
|
########################## Modified submodule ######################### |
|
# Updating a submodule sha1 doesn't update the submodule's work tree |
|
if test "$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 |
|
) |
|
' |
|
} |
|
|
|
# Declares and invokes several tests that, in various situations, checks that |
|
# the provided transition function: |
|
# - succeeds in updating the worktree and index of a superproject to a target |
|
# commit, or fails atomically (depending on the test situation) |
|
# - if succeeds, the contents of submodule directories are unchanged |
|
# - if succeeds, once "git submodule update" is invoked, the contents of |
|
# submodule directories are updated |
|
# |
|
# If the command under test is known to not work with submodules in certain |
|
# conditions, set the appropriate KNOWN_FAILURE_* variable used in the tests |
|
# below to 1. |
|
# |
|
# The first argument of the callback function will be the name of the submodule. |
|
# |
|
# Removing a submodule containing a .git directory must fail even when forced |
|
# to protect the history! If we are testing this case, the second argument of |
|
# the callback function will be 'test_must_fail', else it will be the empty |
|
# string. |
|
# |
|
# The following example uses `git some-command` as an example command to be |
|
# tested. It updates the worktree and index to match a target, but not any |
|
# submodule directories. |
|
# |
|
# my_func () { |
|
# ...prepare for `git some-command` to be run... |
|
# $2 git some-command "$1" && |
|
# if test -n "$2" |
|
# then |
|
# return |
|
# fi && |
|
# ...check the state after git some-command is run... |
|
# } |
|
# test_submodule_switch_func "my_func" |
|
test_submodule_switch_func () { |
|
command="$1" |
|
test_submodule_switch_common "$command" |
|
|
|
# An empty directory does not prevent the creation of a submodule of |
|
# the same name, but a file does. |
|
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 && |
|
$command add_sub1 test_must_fail && |
|
test_superproject_content origin/no_submodule && |
|
test_must_be_empty sub1 |
|
) |
|
' |
|
} |
|
|
|
# Ensures that the that the arg either contains "test_must_fail" or is empty. |
|
may_only_be_test_must_fail () { |
|
test -z "$1" || test "$1" = test_must_fail || die |
|
} |
|
|
|
git_test_func () { |
|
may_only_be_test_must_fail "$2" && |
|
$2 git $gitcmd "$1" |
|
} |
|
|
|
test_submodule_switch () { |
|
gitcmd="$1" |
|
test_submodule_switch_func "git_test_func" |
|
} |
|
|
|
# Same as test_submodule_switch(), except that throwing away local changes in |
|
# the superproject is allowed. |
|
test_submodule_forced_switch () { |
|
gitcmd="$1" |
|
command="git_test_func" |
|
KNOWN_FAILURE_FORCED_SWITCH_TESTS=1 |
|
test_submodule_switch_common "$command" |
|
|
|
# When forced, a file in the superproject does not prevent creating a |
|
# submodule of the same name. |
|
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 |
|
) |
|
' |
|
} |
|
|
|
# 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. |
|
# - Switching from no submodule to nested submodules |
|
# - Switching from nested submodules to no submodule |
|
|
|
# Internal function; use test_submodule_switch_recursing_with_args() or |
|
# test_submodule_forced_switch_recursing_with_args() instead. |
|
test_submodule_recursing_with_args_common () { |
|
command="$1 --recurse-submodules" |
|
|
|
######################### Appearing submodule ######################### |
|
# Switching to a commit letting a submodule appear checks it out ... |
|
test_expect_success "$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 && |
|
$command add_sub1 && |
|
test_superproject_content origin/add_sub1 && |
|
test_submodule_content sub1 origin/add_sub1 |
|
) |
|
' |
|
|
|
# Replacing a tracked file with a submodule produces a checked out submodule |
|
test_expect_success "$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 && |
|
$command replace_directory_with_sub1 && |
|
test_superproject_content origin/replace_directory_with_sub1 && |
|
test_submodule_content sub1 origin/replace_directory_with_sub1 |
|
) |
|
' |
|
# Switching to a commit with nested submodules recursively checks them out |
|
test_expect_success "$command: nested submodules are checked out" ' |
|
prolog && |
|
reset_work_tree_to_interested no_submodule && |
|
( |
|
cd submodule_update && |
|
git branch -t modify_sub1_recursively origin/modify_sub1_recursively && |
|
$command modify_sub1_recursively && |
|
test_superproject_content origin/modify_sub1_recursively && |
|
test_submodule_content sub1 origin/modify_sub1_recursively && |
|
test_submodule_content -C sub1 sub2 origin/modify_sub1_recursively |
|
) |
|
' |
|
|
|
######################## Disappearing submodule ####################### |
|
# Removing a submodule removes its work tree ... |
|
test_expect_success "$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 && |
|
$command remove_sub1 && |
|
test_superproject_content origin/remove_sub1 && |
|
! test -e sub1 && |
|
test_must_fail git config -f .git/modules/sub1/config core.worktree |
|
) |
|
' |
|
# ... absorbing a .git directory along the way. |
|
test_expect_success "$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 && |
|
$command remove_sub1 && |
|
test_superproject_content origin/remove_sub1 && |
|
! test -e sub1 && |
|
test_git_directory_exists sub1 |
|
) |
|
' |
|
|
|
# Replacing it with a file ... |
|
test_expect_success "$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 && |
|
$command replace_sub1_with_file && |
|
test_superproject_content origin/replace_sub1_with_file && |
|
test -f sub1 |
|
) |
|
' |
|
RESULTDS=success |
|
if test "$KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS" = 1 |
|
then |
|
RESULTDS=failure |
|
fi |
|
# ... 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 $command replace_sub1_with_file && |
|
test_superproject_content origin/add_sub1 && |
|
test_submodule_content sub1 origin/add_sub1 && |
|
test -f sub1/untracked_file |
|
) |
|
' |
|
|
|
# Switching to a commit without nested submodules removes their worktrees |
|
test_expect_success "$command: worktrees of nested submodules are removed" ' |
|
prolog && |
|
reset_work_tree_to_interested add_nested_sub && |
|
( |
|
cd submodule_update && |
|
git branch -t no_submodule origin/no_submodule && |
|
$command no_submodule && |
|
test_superproject_content origin/no_submodule && |
|
! test_path_is_dir sub1 && |
|
test_must_fail git config -f .git/modules/sub1/config core.worktree && |
|
test_must_fail git config -f .git/modules/sub1/modules/sub2/config core.worktree |
|
) |
|
' |
|
|
|
########################## Modified submodule ######################### |
|
# Updating a submodule sha1 updates the submodule's work tree |
|
test_expect_success "$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 $command invalid_sub1 2>err && |
|
test_i18ngrep sub1 err && |
|
test_superproject_content origin/add_sub1 && |
|
test_submodule_content sub1 origin/add_sub1 |
|
) |
|
' |
|
# Updating a submodule does not touch the currently checked out branch in the submodule |
|
test_expect_success "$command: submodule branch is not changed, detach HEAD instead" ' |
|
prolog && |
|
reset_work_tree_to_interested add_sub1 && |
|
( |
|
cd submodule_update && |
|
git -C sub1 checkout -b keep_branch && |
|
git -C sub1 rev-parse HEAD >expect && |
|
git branch -t modify_sub1 origin/modify_sub1 && |
|
$command modify_sub1 && |
|
test_superproject_content origin/modify_sub1 && |
|
test_submodule_content sub1 origin/modify_sub1 && |
|
git -C sub1 rev-parse keep_branch >actual && |
|
test_cmp expect actual && |
|
test_must_fail git -C sub1 symbolic-ref HEAD |
|
) |
|
' |
|
} |
|
|
|
# Declares and invokes several tests that, in various situations, checks that |
|
# the provided Git command, when invoked with --recurse-submodules: |
|
# - succeeds in updating the worktree and index of a superproject to a target |
|
# commit, or fails atomically (depending on the test situation) |
|
# - if succeeds, the contents of submodule directories are updated |
|
# |
|
# Specify the Git command so that "git $GIT_COMMAND --recurse-submodules" |
|
# works. |
|
# |
|
# If the command under test is known to not work with submodules in certain |
|
# conditions, set the appropriate KNOWN_FAILURE_* variable used in the tests |
|
# below to 1. |
|
# |
|
# Use as follows: |
|
# |
|
# test_submodule_switch_recursing_with_args "$GIT_COMMAND" |
|
test_submodule_switch_recursing_with_args () { |
|
cmd_args="$1" |
|
command="git $cmd_args" |
|
test_submodule_recursing_with_args_common "$command" |
|
|
|
RESULTDS=success |
|
if test "$KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS" = 1 |
|
then |
|
RESULTDS=failure |
|
fi |
|
RESULTOI=success |
|
if test "$KNOWN_FAILURE_SUBMODULE_OVERWRITE_IGNORED_UNTRACKED" = 1 |
|
then |
|
RESULTOI=failure |
|
fi |
|
# Switching to a commit letting a submodule appear cannot override an |
|
# untracked file. |
|
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 && |
|
$command add_sub1 && |
|
test_superproject_content origin/add_sub1 && |
|
test_submodule_content sub1 origin/add_sub1 |
|
) |
|
' |
|
|
|
# Replacing a submodule with files in a directory must succeeds |
|
# when the submodule is clean |
|
test_expect_$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 && |
|
$command replace_sub1_with_directory && |
|
test_superproject_content origin/replace_sub1_with_directory && |
|
test_git_directory_exists sub1 |
|
) |
|
' |
|
|
|
# ... and ignored files are ignored |
|
test_expect_success "$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 && |
|
echo ignored >.git/modules/sub1/info/exclude && |
|
: >sub1/ignored && |
|
$command replace_sub1_with_file && |
|
test_superproject_content origin/replace_sub1_with_file && |
|
test -f sub1 |
|
) |
|
' |
|
|
|
test_expect_success "git -c submodule.recurse=true $cmd_args: 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 && |
|
git -c submodule.recurse=true $cmd_args modify_sub1 && |
|
test_superproject_content origin/modify_sub1 && |
|
test_submodule_content sub1 origin/modify_sub1 |
|
) |
|
' |
|
|
|
test_expect_success "$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 |
|
) |
|
' |
|
} |
|
|
|
# Same as test_submodule_switch_recursing_with_args(), except that throwing |
|
# away local changes in the superproject is allowed. |
|
test_submodule_forced_switch_recursing_with_args () { |
|
cmd_args="$1" |
|
command="git $cmd_args" |
|
test_submodule_recursing_with_args_common "$command" |
|
|
|
RESULT=success |
|
if test "$KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS" = 1 |
|
then |
|
RESULT=failure |
|
fi |
|
# Switching to a commit letting a submodule appear does not care about |
|
# an untracked file. |
|
test_expect_success "$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 && |
|
$command add_sub1 && |
|
test_superproject_content origin/add_sub1 && |
|
test_submodule_content sub1 origin/add_sub1 |
|
) |
|
' |
|
|
|
# Replacing a submodule with files in a directory ... |
|
test_expect_success "$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 && |
|
$command replace_sub1_with_directory && |
|
test_superproject_content origin/replace_sub1_with_directory && |
|
test_git_directory_exists sub1 |
|
) |
|
' |
|
|
|
# ... even if the submodule contains ignored files |
|
test_expect_success "$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 && |
|
$command replace_sub1_with_file && |
|
test_superproject_content origin/replace_sub1_with_file |
|
) |
|
' |
|
|
|
# Updating a submodule from an invalid sha1 updates |
|
test_expect_success "$command: modified submodule does 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 && |
|
$command valid_sub1 && |
|
test_superproject_content origin/valid_sub1 && |
|
test_submodule_content sub1 origin/valid_sub1 |
|
) |
|
' |
|
|
|
# Old versions of Git were buggy writing the .git link file |
|
# (e.g. before f8eaa0ba98b and then moving the superproject repo |
|
# whose submodules contained absolute paths) |
|
test_expect_success "$command: updating submodules fixes .git links" ' |
|
prolog && |
|
reset_work_tree_to_interested add_sub1 && |
|
( |
|
cd submodule_update && |
|
git branch -t modify_sub1 origin/modify_sub1 && |
|
echo "gitdir: bogus/path" >sub1/.git && |
|
$command modify_sub1 && |
|
test_superproject_content origin/modify_sub1 && |
|
test_submodule_content sub1 origin/modify_sub1 |
|
) |
|
' |
|
|
|
test_expect_success "$command: changed submodule worktree is reset" ' |
|
prolog && |
|
reset_work_tree_to_interested add_sub1 && |
|
( |
|
cd submodule_update && |
|
rm sub1/file1 && |
|
: >sub1/new_file && |
|
git -C sub1 add new_file && |
|
$command HEAD && |
|
test_path_is_file sub1/file1 && |
|
test_path_is_missing sub1/new_file |
|
) |
|
' |
|
}
|
|
|