1102 lines
37 KiB
Bash
1102 lines
37 KiB
Bash
# Create a submodule layout used for all tests below.
|
|
#
|
|
# The following use cases are covered:
|
|
# - New submodule (no_submodule => add_sub1)
|
|
# - Removed submodule (add_sub1 => remove_sub1)
|
|
# - Updated submodule (add_sub1 => modify_sub1)
|
|
# - Updated submodule recursively (add_nested_sub => modify_sub1_recursively)
|
|
# - Submodule updated to invalid commit (add_sub1 => invalid_sub1)
|
|
# - Submodule updated from invalid commit (invalid_sub1 => valid_sub1)
|
|
# - Submodule replaced by tracked files in directory (add_sub1 =>
|
|
# replace_sub1_with_directory)
|
|
# - Directory containing tracked files replaced by submodule
|
|
# (replace_sub1_with_directory => replace_directory_with_sub1)
|
|
# - Submodule replaced by tracked file with the same name (add_sub1 =>
|
|
# replace_sub1_with_file)
|
|
# - Tracked file replaced by submodule (replace_sub1_with_file =>
|
|
# replace_file_with_sub1)
|
|
#
|
|
# ----O
|
|
# / ^
|
|
# / remove_sub1
|
|
# /
|
|
# add_sub1 /-------O---------O--------O modify_sub1_recursively
|
|
# | / ^ add_nested_sub
|
|
# | / modify_sub1
|
|
# v/
|
|
# O------O-----------O---------O
|
|
# ^ \ ^ replace_directory_with_sub1
|
|
# | \ replace_sub1_with_directory
|
|
# no_submodule \
|
|
# --------O---------O
|
|
# \ ^ replace_file_with_sub1
|
|
# \ replace_sub1_with_file
|
|
# \
|
|
# ----O---------O
|
|
# ^ valid_sub1
|
|
# invalid_sub1
|
|
#
|
|
|
|
create_lib_submodule_repo () {
|
|
git init submodule_update_sub1 &&
|
|
(
|
|
cd submodule_update_sub1 &&
|
|
echo "expect" >>.gitignore &&
|
|
echo "actual" >>.gitignore &&
|
|
echo "x" >file1 &&
|
|
echo "y" >file2 &&
|
|
git add .gitignore file1 file2 &&
|
|
git commit -m "Base inside first submodule" &&
|
|
git branch "no_submodule"
|
|
) &&
|
|
git init submodule_update_sub2 &&
|
|
(
|
|
cd submodule_update_sub2
|
|
echo "expect" >>.gitignore &&
|
|
echo "actual" >>.gitignore &&
|
|
echo "x" >file1 &&
|
|
echo "y" >file2 &&
|
|
git add .gitignore file1 file2 &&
|
|
git commit -m "nested submodule base" &&
|
|
git branch "no_submodule"
|
|
) &&
|
|
git init submodule_update_repo &&
|
|
(
|
|
cd submodule_update_repo &&
|
|
branch=$(git symbolic-ref --short HEAD) &&
|
|
echo "expect" >>.gitignore &&
|
|
echo "actual" >>.gitignore &&
|
|
echo "x" >file1 &&
|
|
echo "y" >file2 &&
|
|
git add .gitignore file1 file2 &&
|
|
git commit -m "Base" &&
|
|
git branch "no_submodule" &&
|
|
|
|
git checkout -b "add_sub1" &&
|
|
git submodule add ../submodule_update_sub1 sub1 &&
|
|
git submodule add ../submodule_update_sub1 uninitialized_sub &&
|
|
git config -f .gitmodules submodule.sub1.ignore all &&
|
|
git config submodule.sub1.ignore all &&
|
|
git add .gitmodules &&
|
|
git commit -m "Add sub1" &&
|
|
|
|
git checkout -b remove_sub1 add_sub1 &&
|
|
git revert HEAD &&
|
|
|
|
git checkout -b modify_sub1 add_sub1 &&
|
|
git submodule update &&
|
|
(
|
|
cd sub1 &&
|
|
git fetch &&
|
|
git checkout -b "modifications" &&
|
|
echo "z" >file2 &&
|
|
echo "x" >file3 &&
|
|
git add file2 file3 &&
|
|
git commit -m "modified file2 and added file3" &&
|
|
git push origin modifications
|
|
) &&
|
|
git add sub1 &&
|
|
git commit -m "Modify sub1" &&
|
|
|
|
git checkout -b add_nested_sub modify_sub1 &&
|
|
git -C sub1 checkout -b "add_nested_sub" &&
|
|
git -C sub1 submodule add --branch no_submodule ../submodule_update_sub2 sub2 &&
|
|
git -C sub1 commit -a -m "add a nested submodule" &&
|
|
git add sub1 &&
|
|
git commit -a -m "update submodule, that updates a nested submodule" &&
|
|
git checkout -b modify_sub1_recursively &&
|
|
git -C sub1 checkout -b modify_sub1_recursively &&
|
|
git -C sub1/sub2 checkout -b modify_sub1_recursively &&
|
|
echo change >sub1/sub2/file3 &&
|
|
git -C sub1/sub2 add file3 &&
|
|
git -C sub1/sub2 commit -m "make a change in nested sub" &&
|
|
git -C sub1 add sub2 &&
|
|
git -C sub1 commit -m "update nested sub" &&
|
|
git add sub1 &&
|
|
git commit -m "update sub1, that updates nested sub" &&
|
|
git -C sub1 push origin modify_sub1_recursively &&
|
|
git -C sub1/sub2 push origin modify_sub1_recursively &&
|
|
git -C sub1 submodule deinit -f --all &&
|
|
|
|
git checkout -b replace_sub1_with_directory add_sub1 &&
|
|
git submodule update &&
|
|
git -C sub1 checkout modifications &&
|
|
git rm --cached sub1 &&
|
|
rm sub1/.git* &&
|
|
git config -f .gitmodules --remove-section "submodule.sub1" &&
|
|
git add .gitmodules sub1/* &&
|
|
git commit -m "Replace sub1 with directory" &&
|
|
|
|
git checkout -b replace_directory_with_sub1 &&
|
|
git revert HEAD &&
|
|
|
|
git checkout -b replace_sub1_with_file add_sub1 &&
|
|
git rm sub1 &&
|
|
echo "content" >sub1 &&
|
|
git add sub1 &&
|
|
git commit -m "Replace sub1 with file" &&
|
|
|
|
git checkout -b replace_file_with_sub1 &&
|
|
git revert HEAD &&
|
|
|
|
git checkout -b invalid_sub1 add_sub1 &&
|
|
git update-index --cacheinfo 160000 $(test_oid numeric) sub1 &&
|
|
git commit -m "Invalid sub1 commit" &&
|
|
git checkout -b valid_sub1 &&
|
|
git revert HEAD &&
|
|
|
|
git checkout "$branch"
|
|
)
|
|
}
|
|
|
|
# Helper function to replace gitfile with .git directory
|
|
replace_gitfile_with_git_dir () {
|
|
(
|
|
cd "$1" &&
|
|
git_dir="$(git rev-parse --git-dir)" &&
|
|
rm -f .git &&
|
|
cp -R "$git_dir" .git &&
|
|
GIT_WORK_TREE=. git config --unset core.worktree
|
|
)
|
|
}
|
|
|
|
# Test that the .git directory in the submodule is unchanged (except for the
|
|
# core.worktree setting, which appears only in $GIT_DIR/modules/$1/config).
|
|
# Call this function before test_submodule_content as the latter might
|
|
# write the index file leading to false positive index differences.
|
|
#
|
|
# Note that this only supports submodules at the root level of the
|
|
# superproject, with the default name, i.e. same as its path.
|
|
test_git_directory_is_unchanged () {
|
|
(
|
|
cd ".git/modules/$1" &&
|
|
# does core.worktree point at the right place?
|
|
test "$(git config core.worktree)" = "../../../$1" &&
|
|
# remove it temporarily before comparing, as
|
|
# "$1/.git/config" lacks it...
|
|
git config --unset core.worktree
|
|
) &&
|
|
diff -r ".git/modules/$1" "$1/.git" &&
|
|
(
|
|
# ... and then restore.
|
|
cd ".git/modules/$1" &&
|
|
git config core.worktree "../../../$1"
|
|
)
|
|
}
|
|
|
|
test_git_directory_exists () {
|
|
test -e ".git/modules/$1" &&
|
|
if test -f sub1/.git
|
|
then
|
|
# does core.worktree point at the right place?
|
|
test "$(git -C .git/modules/$1 config core.worktree)" = "../../../$1"
|
|
fi
|
|
}
|
|
|
|
# Helper function to be executed at the start of every test below, it sets up
|
|
# the submodule repo if it doesn't exist and configures the most problematic
|
|
# settings for diff.ignoreSubmodules.
|
|
prolog () {
|
|
test_config_global protocol.file.allow always &&
|
|
(test -d submodule_update_repo || create_lib_submodule_repo) &&
|
|
test_config_global diff.ignoreSubmodules all &&
|
|
test_config diff.ignoreSubmodules all
|
|
}
|
|
|
|
# Helper function to bring work tree back into the state given by the
|
|
# commit. This includes trying to populate sub1 accordingly if it exists and
|
|
# should be updated to an existing commit.
|
|
reset_work_tree_to () {
|
|
rm -rf submodule_update &&
|
|
git clone --template= submodule_update_repo submodule_update &&
|
|
(
|
|
cd submodule_update &&
|
|
rm -rf sub1 &&
|
|
git checkout -f "$1" &&
|
|
git status -u -s >actual &&
|
|
test_must_be_empty actual &&
|
|
hash=$(git rev-parse --revs-only HEAD:sub1) &&
|
|
if test -n "$hash" &&
|
|
test $(cd "../submodule_update_sub1" && git rev-parse --verify "$hash^{commit}")
|
|
then
|
|
git submodule update --init --recursive "sub1"
|
|
fi
|
|
)
|
|
}
|
|
|
|
reset_work_tree_to_interested () {
|
|
reset_work_tree_to $1 &&
|
|
# make the submodule git dirs available
|
|
if ! test -d submodule_update/.git/modules/sub1
|
|
then
|
|
mkdir -p submodule_update/.git/modules &&
|
|
cp -r submodule_update_repo/.git/modules/sub1 submodule_update/.git/modules/sub1
|
|
GIT_WORK_TREE=. git -C submodule_update/.git/modules/sub1 config --unset core.worktree
|
|
fi &&
|
|
if ! test -d submodule_update/.git/modules/sub1/modules/sub2
|
|
then
|
|
mkdir -p submodule_update/.git/modules/sub1/modules &&
|
|
cp -r submodule_update_repo/.git/modules/sub1/modules/sub2 submodule_update/.git/modules/sub1/modules/sub2
|
|
# core.worktree is unset for sub2 as it is not checked out
|
|
fi &&
|
|
# indicate we are interested in the submodule:
|
|
git -C submodule_update config submodule.sub1.url "bogus" &&
|
|
# sub1 might not be checked out, so use the git dir
|
|
git -C submodule_update/.git/modules/sub1 config submodule.sub2.url "bogus"
|
|
}
|
|
|
|
# Test that the superproject contains the content according to commit "$1"
|
|
# (the work tree must match the index for everything but submodules but the
|
|
# index must exactly match the given commit including any submodule SHA-1s).
|
|
test_superproject_content () {
|
|
git diff-index --cached "$1" >actual &&
|
|
test_must_be_empty actual &&
|
|
git diff-files --ignore-submodules >actual &&
|
|
test_must_be_empty actual
|
|
}
|
|
|
|
# Test that the given submodule at path "$1" contains the content according
|
|
# to the submodule commit recorded in the superproject's commit "$2"
|
|
test_submodule_content () {
|
|
if test x"$1" = "x-C"
|
|
then
|
|
cd "$2"
|
|
shift; shift;
|
|
fi
|
|
if test $# != 2
|
|
then
|
|
echo "test_submodule_content needs two arguments"
|
|
return 1
|
|
fi &&
|
|
submodule="$1" &&
|
|
commit="$2" &&
|
|
test -d "$submodule"/ &&
|
|
if ! test -f "$submodule"/.git && ! test -d "$submodule"/.git
|
|
then
|
|
echo "Submodule $submodule is not populated"
|
|
return 1
|
|
fi &&
|
|
sha1=$(git rev-parse --verify "$commit:$submodule") &&
|
|
if test -z "$sha1"
|
|
then
|
|
echo "Couldn't retrieve SHA-1 of $submodule for $commit"
|
|
return 1
|
|
fi &&
|
|
(
|
|
cd "$submodule" &&
|
|
git status -u -s >actual &&
|
|
test_must_be_empty actual &&
|
|
git diff "$sha1" >actual &&
|
|
test_must_be_empty actual
|
|
)
|
|
}
|
|
|
|
# Test that the following transitions are correctly handled:
|
|
# - Updated submodule
|
|
# - New submodule
|
|
# - Removed submodule
|
|
# - Directory containing tracked files replaced by submodule
|
|
# - Submodule replaced by tracked files in directory
|
|
# - Submodule replaced by tracked file with the same name
|
|
# - Tracked file replaced by submodule
|
|
#
|
|
# The default is that submodule contents aren't changed until "git submodule
|
|
# update" is run. And even then that command doesn't delete the work tree of
|
|
# a removed submodule.
|
|
#
|
|
# 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.
|
|
#
|
|
|
|
# Internal function; use test_submodule_switch_func(), test_submodule_switch(),
|
|
# or test_submodule_forced_switch() instead.
|
|
test_submodule_switch_common () {
|
|
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 &&
|
|
$command add_sub1 &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_dir_is_empty sub1 &&
|
|
git submodule update --init --recursive &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# ... and doesn't care if it already exists.
|
|
if test "$KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES" = 1
|
|
then
|
|
# Restoring stash fails to restore submodule index entry
|
|
RESULT="failure"
|
|
else
|
|
RESULT="success"
|
|
fi
|
|
test_expect_$RESULT "$command: added submodule leaves existing empty directory alone" '
|
|
prolog &&
|
|
reset_work_tree_to no_submodule &&
|
|
(
|
|
cd submodule_update &&
|
|
mkdir sub1 &&
|
|
git branch -t add_sub1 origin/add_sub1 &&
|
|
$command add_sub1 &&
|
|
test_superproject_content origin/add_sub1 &&
|
|
test_dir_is_empty sub1 &&
|
|
git submodule update --init --recursive &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# Replacing a tracked file with a submodule produces an empty
|
|
# directory ...
|
|
test_expect_$RESULT "$command: replace tracked file with submodule creates empty directory" '
|
|
prolog &&
|
|
reset_work_tree_to replace_sub1_with_file &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_file_with_sub1 origin/replace_file_with_sub1 &&
|
|
$command replace_file_with_sub1 &&
|
|
test_superproject_content origin/replace_file_with_sub1 &&
|
|
test_dir_is_empty sub1 &&
|
|
git submodule update --init --recursive &&
|
|
test_submodule_content sub1 origin/replace_file_with_sub1
|
|
)
|
|
'
|
|
# ... as does removing a directory with tracked files with a
|
|
# submodule.
|
|
if test "$KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR" = 1
|
|
then
|
|
# Non fast-forward merges fail with "Directory sub1 doesn't
|
|
# exist. sub1" because the empty submodule directory is not
|
|
# created
|
|
RESULT="failure"
|
|
else
|
|
RESULT="success"
|
|
fi
|
|
test_expect_$RESULT "$command: replace directory with submodule" '
|
|
prolog &&
|
|
reset_work_tree_to replace_sub1_with_directory &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t replace_directory_with_sub1 origin/replace_directory_with_sub1 &&
|
|
$command replace_directory_with_sub1 &&
|
|
test_superproject_content origin/replace_directory_with_sub1 &&
|
|
test_dir_is_empty sub1 &&
|
|
git submodule update --init --recursive &&
|
|
test_submodule_content sub1 origin/replace_directory_with_sub1
|
|
)
|
|
'
|
|
|
|
######################## Disappearing submodule #######################
|
|
# Removing a submodule doesn't remove its work tree ...
|
|
if test "$KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES" = 1
|
|
then
|
|
RESULT="failure"
|
|
else
|
|
RESULT="success"
|
|
fi
|
|
test_expect_$RESULT "$command: removed submodule leaves submodule directory and its contents in place" '
|
|
prolog &&
|
|
reset_work_tree_to add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t remove_sub1 origin/remove_sub1 &&
|
|
$command remove_sub1 &&
|
|
test_superproject_content origin/remove_sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# ... especially when it contains a .git directory.
|
|
test_expect_$RESULT "$command: removed submodule leaves submodule containing a .git directory alone" '
|
|
prolog &&
|
|
reset_work_tree_to add_sub1 &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t remove_sub1 origin/remove_sub1 &&
|
|
replace_gitfile_with_git_dir sub1 &&
|
|
$command remove_sub1 &&
|
|
test_superproject_content origin/remove_sub1 &&
|
|
test_git_directory_is_unchanged sub1 &&
|
|
test_submodule_content sub1 origin/add_sub1
|
|
)
|
|
'
|
|
# Replacing a submodule with files in a directory must fail as the
|
|
# submodule work tree isn't removed ...
|
|
if test "$KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES" = 1
|
|
then
|
|
# Non fast-forward merges attempt to merge the former
|
|
# submodule files with the newly checked out ones in the
|
|
# directory of the same name while it shouldn't.
|
|
RESULT="failure"
|
|
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 -rf submodule_update/.git/info" &&
|
|
prolog &&
|
|
reset_work_tree_to_interested no_submodule &&
|
|
(
|
|
cd submodule_update &&
|
|
git branch -t add_sub1 origin/add_sub1 &&
|
|
: >sub1 &&
|
|
mkdir .git/info &&
|
|
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 &&
|
|
rm -rf .git/modules/sub1/info &&
|
|
git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
|
|
mkdir .git/modules/sub1/info &&
|
|
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
|
|
)
|
|
'
|
|
}
|