1034 lines
		
	
	
	
		
			34 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			1034 lines
		
	
	
	
		
			34 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
# 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 =>
 | 
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#   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)
 | 
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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
 | 
						|
#             v/
 | 
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#      O------O-----------O---------O
 | 
						|
#      ^       \          ^         replace_directory_with_sub1
 | 
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#      |        \         replace_sub1_with_directory
 | 
						|
# no_submodule   \
 | 
						|
#                 --------O---------O
 | 
						|
#                  \      ^         replace_file_with_sub1
 | 
						|
#                   \     replace_sub1_with_file
 | 
						|
#                    \
 | 
						|
#                     ----O---------O
 | 
						|
#                         ^         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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		cd submodule_update_sub1 &&
 | 
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		echo "expect" >>.gitignore &&
 | 
						|
		echo "actual" >>.gitignore &&
 | 
						|
		echo "x" >file1 &&
 | 
						|
		echo "y" >file2 &&
 | 
						|
		git add .gitignore file1 file2 &&
 | 
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		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 &&
 | 
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		git add .gitignore file1 file2 &&
 | 
						|
		git commit -m "nested submodule base" &&
 | 
						|
		git branch "no_submodule"
 | 
						|
	) &&
 | 
						|
	git init submodule_update_repo &&
 | 
						|
	(
 | 
						|
		cd submodule_update_repo &&
 | 
						|
		echo "expect" >>.gitignore &&
 | 
						|
		echo "actual" >>.gitignore &&
 | 
						|
		echo "x" >file1 &&
 | 
						|
		echo "y" >file2 &&
 | 
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		git add .gitignore file1 file2 &&
 | 
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		git commit -m "Base" &&
 | 
						|
		git branch "no_submodule" &&
 | 
						|
 | 
						|
		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 &&
 | 
						|
		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 &&
 | 
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			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* &&
 | 
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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" &&
 | 
						|
 | 
						|
		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 master
 | 
						|
	)
 | 
						|
}
 | 
						|
 | 
						|
# Helper function to replace gitfile with .git directory
 | 
						|
replace_gitfile_with_git_dir () {
 | 
						|
	(
 | 
						|
		cd "$1" &&
 | 
						|
		git_dir="$(git rev-parse --git-dir)" &&
 | 
						|
		rm -f .git &&
 | 
						|
		cp -R "$git_dir" .git &&
 | 
						|
		GIT_WORK_TREE=. git config --unset core.worktree
 | 
						|
	)
 | 
						|
}
 | 
						|
 | 
						|
# Test that the .git directory in the submodule is unchanged (except for the
 | 
						|
# core.worktree setting, which appears only in $GIT_DIR/modules/$1/config).
 | 
						|
# Call this function before test_submodule_content as the latter might
 | 
						|
# write the index file leading to false positive index differences.
 | 
						|
#
 | 
						|
# Note that this only supports submodules at the root level of the
 | 
						|
# superproject, with the default name, i.e. same as its path.
 | 
						|
test_git_directory_is_unchanged () {
 | 
						|
	(
 | 
						|
		cd ".git/modules/$1" &&
 | 
						|
		# does core.worktree point at the right place?
 | 
						|
		test "$(git config core.worktree)" = "../../../$1" &&
 | 
						|
		# remove it temporarily before comparing, as
 | 
						|
		# "$1/.git/config" lacks it...
 | 
						|
		git config --unset core.worktree
 | 
						|
	) &&
 | 
						|
	diff -r ".git/modules/$1" "$1/.git" &&
 | 
						|
	(
 | 
						|
		# ... and then restore.
 | 
						|
		cd ".git/modules/$1" &&
 | 
						|
		git config core.worktree "../../../$1"
 | 
						|
	)
 | 
						|
}
 | 
						|
 | 
						|
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_oid_init &&
 | 
						|
	(test -d submodule_update_repo || create_lib_submodule_repo) &&
 | 
						|
	test_config_global diff.ignoreSubmodules all &&
 | 
						|
	test_config diff.ignoreSubmodules all
 | 
						|
}
 | 
						|
 | 
						|
# Helper function to bring work tree back into the state given by the
 | 
						|
# commit. This includes trying to populate sub1 accordingly if it exists and
 | 
						|
# should be updated to an existing commit.
 | 
						|
reset_work_tree_to () {
 | 
						|
	rm -rf submodule_update &&
 | 
						|
	git clone submodule_update_repo submodule_update &&
 | 
						|
	(
 | 
						|
		cd submodule_update &&
 | 
						|
		rm -rf sub1 &&
 | 
						|
		git checkout -f "$1" &&
 | 
						|
		git status -u -s >actual &&
 | 
						|
		test_must_be_empty actual &&
 | 
						|
		hash=$(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.
 | 
						|
#
 | 
						|
# Removing a submodule containing a .git directory must fail even when forced
 | 
						|
# to protect the history!
 | 
						|
#
 | 
						|
 | 
						|
# Internal function; use test_submodule_switch() or
 | 
						|
# test_submodule_forced_switch() instead.
 | 
						|
test_submodule_switch_common() {
 | 
						|
	command="$1"
 | 
						|
	######################### Appearing submodule #########################
 | 
						|
	# Switching to a commit letting a submodule appear creates empty dir ...
 | 
						|
	if test "$KNOWN_FAILURE_STASH_DOES_IGNORE_SUBMODULE_CHANGES" = 1
 | 
						|
	then
 | 
						|
		# Restoring stash fails to restore submodule index entry
 | 
						|
		RESULT="failure"
 | 
						|
	else
 | 
						|
		RESULT="success"
 | 
						|
	fi
 | 
						|
	test_expect_$RESULT "$command: added submodule creates empty directory" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to no_submodule &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			git branch -t add_sub1 origin/add_sub1 &&
 | 
						|
			$command add_sub1 &&
 | 
						|
			test_superproject_content origin/add_sub1 &&
 | 
						|
			test_dir_is_empty sub1 &&
 | 
						|
			git submodule update --init --recursive &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
	# ... and doesn't care if it already exists.
 | 
						|
	test_expect_$RESULT "$command: added submodule leaves existing empty directory alone" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to no_submodule &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			mkdir sub1 &&
 | 
						|
			git branch -t add_sub1 origin/add_sub1 &&
 | 
						|
			$command add_sub1 &&
 | 
						|
			test_superproject_content origin/add_sub1 &&
 | 
						|
			test_dir_is_empty sub1 &&
 | 
						|
			git submodule update --init --recursive &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
	# Replacing a tracked file with a submodule produces an empty
 | 
						|
	# directory ...
 | 
						|
	test_expect_$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 &&
 | 
						|
			test_must_fail $command replace_sub1_with_directory &&
 | 
						|
			test_superproject_content origin/add_sub1 &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
	# ... especially when it contains a .git directory.
 | 
						|
	test_expect_$RESULT "$command: replace submodule containing a .git directory with a directory must fail" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to add_sub1 &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
 | 
						|
			replace_gitfile_with_git_dir sub1 &&
 | 
						|
			test_must_fail $command replace_sub1_with_directory &&
 | 
						|
			test_superproject_content origin/add_sub1 &&
 | 
						|
			test_git_directory_is_unchanged sub1 &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
	# Replacing it with a file must fail as it could throw away any local
 | 
						|
	# work tree changes ...
 | 
						|
	test_expect_failure "$command: replace submodule with a file must fail" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to add_sub1 &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
 | 
						|
			test_must_fail $command replace_sub1_with_file &&
 | 
						|
			test_superproject_content origin/add_sub1 &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
	# ... or even destroy unpushed parts of submodule history if that
 | 
						|
	# still uses a .git directory.
 | 
						|
	test_expect_failure "$command: replace submodule containing a .git directory with a file must fail" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to add_sub1 &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
 | 
						|
			replace_gitfile_with_git_dir sub1 &&
 | 
						|
			test_must_fail $command replace_sub1_with_file &&
 | 
						|
			test_superproject_content origin/add_sub1 &&
 | 
						|
			test_git_directory_is_unchanged sub1 &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
 | 
						|
	########################## Modified submodule #########################
 | 
						|
	# Updating a submodule sha1 doesn't update the submodule's work tree
 | 
						|
	if test "$KNOWN_FAILURE_CHERRY_PICK_SEES_EMPTY_COMMIT" = 1
 | 
						|
	then
 | 
						|
		# When cherry picking a SHA-1 update for an ignored submodule
 | 
						|
		# the commit incorrectly fails with "The previous cherry-pick
 | 
						|
		# is now empty, possibly due to conflict resolution."
 | 
						|
		RESULT="failure"
 | 
						|
	else
 | 
						|
		RESULT="success"
 | 
						|
	fi
 | 
						|
	test_expect_$RESULT "$command: modified submodule does not update submodule work tree" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to add_sub1 &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			git branch -t modify_sub1 origin/modify_sub1 &&
 | 
						|
			$command modify_sub1 &&
 | 
						|
			test_superproject_content origin/modify_sub1 &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1 &&
 | 
						|
			git submodule update &&
 | 
						|
			test_submodule_content sub1 origin/modify_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
	# Updating a submodule to an invalid sha1 doesn't update the
 | 
						|
	# submodule's work tree, subsequent update will fail
 | 
						|
	test_expect_$RESULT "$command: modified submodule does not update submodule work tree to invalid commit" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to add_sub1 &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			git branch -t invalid_sub1 origin/invalid_sub1 &&
 | 
						|
			$command invalid_sub1 &&
 | 
						|
			test_superproject_content origin/invalid_sub1 &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1 &&
 | 
						|
			test_must_fail git submodule update &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
	# Updating a submodule from an invalid sha1 doesn't update the
 | 
						|
	# submodule's work tree, subsequent update will succeed
 | 
						|
	test_expect_$RESULT "$command: modified submodule does not update submodule work tree from invalid commit" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to invalid_sub1 &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			git branch -t valid_sub1 origin/valid_sub1 &&
 | 
						|
			$command valid_sub1 &&
 | 
						|
			test_superproject_content origin/valid_sub1 &&
 | 
						|
			test_dir_is_empty sub1 &&
 | 
						|
			git submodule update --init --recursive &&
 | 
						|
			test_submodule_content sub1 origin/valid_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
}
 | 
						|
 | 
						|
# 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.
 | 
						|
#
 | 
						|
# Use as follows:
 | 
						|
#
 | 
						|
# my_func () {
 | 
						|
#   target=$1
 | 
						|
#   # Do something here that updates the worktree and index to match target,
 | 
						|
#   # but not any submodule directories.
 | 
						|
# }
 | 
						|
# test_submodule_switch "my_func"
 | 
						|
test_submodule_switch () {
 | 
						|
	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 &&
 | 
						|
			test_must_fail $command add_sub1 &&
 | 
						|
			test_superproject_content origin/no_submodule &&
 | 
						|
			test_must_be_empty sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
}
 | 
						|
 | 
						|
# Same as test_submodule_switch(), except that throwing away local changes in
 | 
						|
# the superproject is allowed.
 | 
						|
test_submodule_forced_switch () {
 | 
						|
	command="$1"
 | 
						|
	KNOWN_FAILURE_FORCED_SWITCH_TESTS=1
 | 
						|
	test_submodule_switch_common "$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.
 | 
						|
 | 
						|
# 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="$1"
 | 
						|
 | 
						|
	######################### Appearing submodule #########################
 | 
						|
	# Switching to a commit letting a submodule appear checks it out ...
 | 
						|
	test_expect_success "$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 &&
 | 
						|
			$command add_sub1 &&
 | 
						|
			test_superproject_content origin/add_sub1 &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
	test_expect_success "$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 &&
 | 
						|
			$command modify_sub1 &&
 | 
						|
			test_superproject_content origin/modify_sub1 &&
 | 
						|
			test_submodule_content sub1 origin/modify_sub1 &&
 | 
						|
			git -C sub1 rev-parse keep_branch >actual &&
 | 
						|
			test_cmp expect actual &&
 | 
						|
			test_must_fail git -C sub1 symbolic-ref HEAD
 | 
						|
		)
 | 
						|
	'
 | 
						|
 | 
						|
	# Replacing a tracked file with a submodule produces a checked out submodule
 | 
						|
	test_expect_success "$command: replace tracked file with submodule checks out submodule" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to_interested replace_sub1_with_file &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			git branch -t replace_file_with_sub1 origin/replace_file_with_sub1 &&
 | 
						|
			$command replace_file_with_sub1 &&
 | 
						|
			test_superproject_content origin/replace_file_with_sub1 &&
 | 
						|
			test_submodule_content sub1 origin/replace_file_with_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
	# ... as does removing a directory with tracked files with a submodule.
 | 
						|
	test_expect_success "$command: replace directory with submodule" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to_interested replace_sub1_with_directory &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			git branch -t replace_directory_with_sub1 origin/replace_directory_with_sub1 &&
 | 
						|
			$command replace_directory_with_sub1 &&
 | 
						|
			test_superproject_content origin/replace_directory_with_sub1 &&
 | 
						|
			test_submodule_content sub1 origin/replace_directory_with_sub1
 | 
						|
		)
 | 
						|
	'
 | 
						|
 | 
						|
	######################## Disappearing submodule #######################
 | 
						|
	# Removing a submodule removes its work tree ...
 | 
						|
	test_expect_success "$command: removed submodule removes submodules working tree" '
 | 
						|
		prolog &&
 | 
						|
		reset_work_tree_to_interested add_sub1 &&
 | 
						|
		(
 | 
						|
			cd submodule_update &&
 | 
						|
			git branch -t remove_sub1 origin/remove_sub1 &&
 | 
						|
			$command remove_sub1 &&
 | 
						|
			test_superproject_content origin/remove_sub1 &&
 | 
						|
			! test -e sub1 &&
 | 
						|
			test_must_fail git config -f .git/modules/sub1/config core.worktree
 | 
						|
		)
 | 
						|
	'
 | 
						|
	# ... absorbing a .git directory along the way.
 | 
						|
	test_expect_success "$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 $command replace_sub1_with_file &&
 | 
						|
			test_superproject_content origin/add_sub1 &&
 | 
						|
			test_submodule_content sub1 origin/add_sub1 &&
 | 
						|
			test -f sub1/untracked_file
 | 
						|
		)
 | 
						|
	'
 | 
						|
 | 
						|
	########################## Modified submodule #########################
 | 
						|
	# Updating a submodule sha1 updates the submodule's work tree
 | 
						|
	test_expect_success "$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
 | 
						|
		)
 | 
						|
	'
 | 
						|
}
 | 
						|
 | 
						|
# 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 $GIT_COMMAND --recurse-submodules"
 | 
						|
# works.
 | 
						|
#
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# If the command under test is known to not work with submodules in certain
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# conditions, set the appropriate KNOWN_FAILURE_* variable used in the tests
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# below to 1.
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#
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# Use as follows:
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#
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# test_submodule_switch_recursing_with_args "$GIT_COMMAND"
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test_submodule_switch_recursing_with_args () {
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	cmd_args="$1"
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	command="git $cmd_args --recurse-submodules"
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	test_submodule_recursing_with_args_common "$command"
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	RESULTDS=success
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	if test "$KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS" = 1
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	then
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		RESULTDS=failure
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	fi
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	RESULTOI=success
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	if test "$KNOWN_FAILURE_SUBMODULE_OVERWRITE_IGNORED_UNTRACKED" = 1
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	then
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		RESULTOI=failure
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	fi
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	# Switching to a commit letting a submodule appear cannot override an
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	# untracked file.
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	test_expect_success "$command: added submodule doesn't remove untracked file with same name" '
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		prolog &&
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		reset_work_tree_to_interested no_submodule &&
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		(
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			cd submodule_update &&
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			git branch -t add_sub1 origin/add_sub1 &&
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			: >sub1 &&
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			test_must_fail $command add_sub1 &&
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			test_superproject_content origin/no_submodule &&
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			test_must_be_empty sub1
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		)
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	'
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	# ... but an ignored file is fine.
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	test_expect_$RESULTOI "$command: added submodule removes an untracked ignored file" '
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		test_when_finished "rm submodule_update/.git/info/exclude" &&
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		prolog &&
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		reset_work_tree_to_interested no_submodule &&
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		(
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			cd submodule_update &&
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			git branch -t add_sub1 origin/add_sub1 &&
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			: >sub1 &&
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			echo sub1 >.git/info/exclude &&
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			$command add_sub1 &&
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			test_superproject_content origin/add_sub1 &&
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			test_submodule_content sub1 origin/add_sub1
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		)
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	'
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	# Replacing a submodule with files in a directory must succeeds
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	# when the submodule is clean
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	test_expect_$RESULTDS "$command: replace submodule with a directory" '
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		prolog &&
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		reset_work_tree_to_interested add_sub1 &&
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		(
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			cd submodule_update &&
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			git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
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			$command replace_sub1_with_directory &&
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			test_superproject_content origin/replace_sub1_with_directory &&
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			test_submodule_content sub1 origin/replace_sub1_with_directory
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		)
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	'
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	# ... absorbing a .git directory.
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	test_expect_$RESULTDS "$command: replace submodule containing a .git directory with a directory must absorb the git dir" '
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		prolog &&
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		reset_work_tree_to_interested add_sub1 &&
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		(
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			cd submodule_update &&
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			git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
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			replace_gitfile_with_git_dir sub1 &&
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			rm -rf .git/modules &&
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			$command replace_sub1_with_directory &&
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			test_superproject_content origin/replace_sub1_with_directory &&
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			test_git_directory_exists sub1
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		)
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	'
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	# ... and ignored files are ignored
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	test_expect_success "$command: replace submodule with a file works ignores ignored files in submodule" '
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		test_when_finished "rm submodule_update/.git/modules/sub1/info/exclude" &&
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		prolog &&
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		reset_work_tree_to_interested add_sub1 &&
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		(
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			cd submodule_update &&
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			git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
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			echo ignored >.git/modules/sub1/info/exclude &&
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			: >sub1/ignored &&
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			$command replace_sub1_with_file &&
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			test_superproject_content origin/replace_sub1_with_file &&
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			test -f sub1
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		)
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	'
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	test_expect_success "git -c submodule.recurse=true $cmd_args: modified submodule updates submodule work tree" '
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		prolog &&
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		reset_work_tree_to_interested add_sub1 &&
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		(
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			cd submodule_update &&
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			git branch -t modify_sub1 origin/modify_sub1 &&
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			git -c submodule.recurse=true $cmd_args modify_sub1 &&
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			test_superproject_content origin/modify_sub1 &&
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			test_submodule_content sub1 origin/modify_sub1
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		)
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	'
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	# recursing deeper than one level doesn't work yet.
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	test_expect_success "$command: modified submodule updates submodule recursively" '
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		prolog &&
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		reset_work_tree_to_interested add_nested_sub &&
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		(
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			cd submodule_update &&
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			git branch -t modify_sub1_recursively origin/modify_sub1_recursively &&
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			$command modify_sub1_recursively &&
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			test_superproject_content origin/modify_sub1_recursively &&
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			test_submodule_content sub1 origin/modify_sub1_recursively &&
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			test_submodule_content -C sub1 sub2 origin/modify_sub1_recursively
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		)
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	'
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}
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# Same as test_submodule_switch_recursing_with_args(), except that throwing
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# away local changes in the superproject is allowed.
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test_submodule_forced_switch_recursing_with_args () {
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	cmd_args="$1"
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	command="git $cmd_args --recurse-submodules"
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	test_submodule_recursing_with_args_common "$command"
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	RESULT=success
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	if test "$KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS" = 1
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	then
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		RESULT=failure
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	fi
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	# Switching to a commit letting a submodule appear does not care about
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	# an untracked file.
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	test_expect_success "$command: added submodule does remove untracked unignored file with same name when forced" '
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		prolog &&
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		reset_work_tree_to_interested no_submodule &&
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		(
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			cd submodule_update &&
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			git branch -t add_sub1 origin/add_sub1 &&
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			>sub1 &&
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			$command add_sub1 &&
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			test_superproject_content origin/add_sub1 &&
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			test_submodule_content sub1 origin/add_sub1
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		)
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	'
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	# Replacing a submodule with files in a directory ...
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	test_expect_success "$command: replace submodule with a directory" '
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		prolog &&
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		reset_work_tree_to_interested add_sub1 &&
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		(
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			cd submodule_update &&
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			git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
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			$command replace_sub1_with_directory &&
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			test_superproject_content origin/replace_sub1_with_directory
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						|
		)
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	'
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	# ... absorbing a .git directory.
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						|
	test_expect_success "$command: replace submodule containing a .git directory with a directory must fail" '
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		prolog &&
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		reset_work_tree_to_interested add_sub1 &&
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						|
		(
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						|
			cd submodule_update &&
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						|
			git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory &&
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						|
			replace_gitfile_with_git_dir sub1 &&
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						|
			rm -rf .git/modules/sub1 &&
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						|
			$command replace_sub1_with_directory &&
 | 
						|
			test_superproject_content origin/replace_sub1_with_directory &&
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						|
			test_git_directory_exists sub1
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						|
		)
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	'
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						|
	# ... even if the submodule contains ignored files
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						|
	test_expect_success "$command: replace submodule with a file ignoring ignored files" '
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						|
		prolog &&
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		reset_work_tree_to_interested add_sub1 &&
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						|
		(
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			cd submodule_update &&
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			git branch -t replace_sub1_with_file origin/replace_sub1_with_file &&
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						|
			: >sub1/expect &&
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						|
			$command replace_sub1_with_file &&
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						|
			test_superproject_content origin/replace_sub1_with_file
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						|
		)
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	'
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	# Updating a submodule from an invalid sha1 updates
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						|
	test_expect_success "$command: modified submodule does update submodule work tree from invalid commit" '
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						|
		prolog &&
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		reset_work_tree_to_interested invalid_sub1 &&
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		(
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						|
			cd submodule_update &&
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						|
			git branch -t valid_sub1 origin/valid_sub1 &&
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						|
			$command valid_sub1 &&
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						|
			test_superproject_content origin/valid_sub1 &&
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						|
			test_submodule_content sub1 origin/valid_sub1
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						|
		)
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	'
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						|
	# Old versions of Git were buggy writing the .git link file
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						|
	# (e.g. before f8eaa0ba98b and then moving the superproject repo
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						|
	# whose submodules contained absolute paths)
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						|
	test_expect_success "$command: updating submodules fixes .git links" '
 | 
						|
		prolog &&
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						|
		reset_work_tree_to_interested add_sub1 &&
 | 
						|
		(
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						|
			cd submodule_update &&
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						|
			git branch -t modify_sub1 origin/modify_sub1 &&
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						|
			echo "gitdir: bogus/path" >sub1/.git &&
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						|
			$command modify_sub1 &&
 | 
						|
			test_superproject_content origin/modify_sub1 &&
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						|
			test_submodule_content sub1 origin/modify_sub1
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						|
		)
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						|
	'
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						|
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						|
	test_expect_success "$command: changed submodule worktree is reset" '
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						|
		prolog &&
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						|
		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
 | 
						|
		)
 | 
						|
	'
 | 
						|
}
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