t/t7500-commit-template-squash-signoff.sh - jrn/git - Git at Google

 #!/bin/sh
 #
 # Copyright (c) 2007 Steven Grimm
 #

 test_description='git commit

 Tests for template, signoff, squash and -F functions.'

 . ./test-lib.sh

 . "$TEST_DIRECTORY"/lib-rebase.sh

 commit_msg_is () {
 	expect=commit_msg_is.expect
 	actual=commit_msg_is.actual

 	printf "%s" "$(git log --pretty=format:%s%b -1)" >"$actual" &&
 	printf "%s" "$1" >"$expect" &&
 	test_cmp "$expect" "$actual"
 }

 # A sanity check to see if commit is working at all.
 test_expect_success 'a basic commit in an empty tree should succeed' '
 	echo content > foo &&
 	git add foo &&
 	git commit -m "initial commit"
 '

 test_expect_success 'nonexistent template file should return error' '
 	echo changes >> foo &&
 	git add foo &&
 	(
 		GIT_EDITOR="echo hello >\"\$1\"" &&
 		export GIT_EDITOR &&
 		test_must_fail git commit --template "$PWD"/notexist
 	)
 '

 test_expect_success 'nonexistent template file in config should return error' '
 	test_config commit.template "$PWD"/notexist &&
 	(
 		GIT_EDITOR="echo hello >\"\$1\"" &&
 		export GIT_EDITOR &&
 		test_must_fail git commit
 	)
 '

 # From now on we'll use a template file that exists.
 TEMPLATE="$PWD"/template

 test_expect_success 'unedited template should not commit' '
 	echo "template line" > "$TEMPLATE" &&
 	test_must_fail git commit --template "$TEMPLATE"
 '

 test_expect_success 'unedited template with comments should not commit' '
 	echo "# comment in template" >> "$TEMPLATE" &&
 	test_must_fail git commit --template "$TEMPLATE"
 '

 test_expect_success 'a Signed-off-by line by itself should not commit' '
 	(
 		test_set_editor "$TEST_DIRECTORY"/t7500/add-signed-off &&
 		test_must_fail git commit --template "$TEMPLATE"
 	)
 '

 test_expect_success 'adding comments to a template should not commit' '
 	(
 		test_set_editor "$TEST_DIRECTORY"/t7500/add-comments &&
 		test_must_fail git commit --template "$TEMPLATE"
 	)
 '

 test_expect_success 'adding real content to a template should commit' '
 	(
 		test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
 		git commit --template "$TEMPLATE"
 	) &&
 	commit_msg_is "template linecommit message"
 '

 test_expect_success '-t option should be short for --template' '
 	echo "short template" > "$TEMPLATE" &&
 	echo "new content" >> foo &&
 	git add foo &&
 	(
 		test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
 		git commit -t "$TEMPLATE"
 	) &&
 	commit_msg_is "short templatecommit message"
 '

 test_expect_success 'config-specified template should commit' '
 	echo "new template" > "$TEMPLATE" &&
 	test_config commit.template "$TEMPLATE" &&
 	echo "more content" >> foo &&
 	git add foo &&
 	(
 		test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
 		git commit
 	) &&
 	commit_msg_is "new templatecommit message"
 '

 test_expect_success 'explicit commit message should override template' '
 	echo "still more content" >> foo &&
 	git add foo &&
 	GIT_EDITOR="$TEST_DIRECTORY"/t7500/add-content git commit --template "$TEMPLATE" \
 		-m "command line msg" &&
 	commit_msg_is "command line msg"
 '

 test_expect_success 'commit message from file should override template' '
 	echo "content galore" >> foo &&
 	git add foo &&
 	echo "standard input msg" |
 	(
 		test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
 		git commit --template "$TEMPLATE" --file -
 	) &&
 	commit_msg_is "standard input msg"
 '

 cat >"$TEMPLATE" <<\EOF


 ### template

 EOF
 test_expect_success 'commit message from template with whitespace issue' '
 	echo "content galore" >>foo &&
 	git add foo &&
 	GIT_EDITOR=\""$TEST_DIRECTORY"\"/t7500/add-whitespaced-content \
 	git commit --template "$TEMPLATE" &&
 	commit_msg_is "commit message"
 '

 test_expect_success 'using alternate GIT_INDEX_FILE (1)' '

 	cp .git/index saved-index &&
 	(
 		echo some new content >file &&
 	        GIT_INDEX_FILE=.git/another_index &&
 		export GIT_INDEX_FILE &&
 		git add file &&
 		git commit -m "commit using another index" &&
 		git diff-index --exit-code HEAD &&
 		git diff-files --exit-code
 	) &&
 	cmp .git/index saved-index >/dev/null

 '

 test_expect_success 'using alternate GIT_INDEX_FILE (2)' '

 	cp .git/index saved-index &&
 	(
 		rm -f .git/no-such-index &&
 		GIT_INDEX_FILE=.git/no-such-index &&
 		export GIT_INDEX_FILE &&
 		git commit -m "commit using nonexistent index" &&
 		test -z "$(git ls-files)" &&
 		test -z "$(git ls-tree HEAD)"

 	) &&
 	cmp .git/index saved-index >/dev/null
 '

 cat > expect << EOF
 zort

 Signed-off-by: C O Mitter <committer@example.com>
 EOF

 test_expect_success '--signoff' '
 	echo "yet another content *narf*" >> foo &&
 	echo "zort" | git commit -s -F - foo &&
 	git cat-file commit HEAD | sed "1,/^\$/d" > output &&
 	test_cmp expect output
 '

 test_expect_success 'commit message from file (1)' '
 	mkdir subdir &&
 	echo "Log in top directory" >log &&
 	echo "Log in sub directory" >subdir/log &&
 	(
 		cd subdir &&
 		git commit --allow-empty -F log
 	) &&
 	commit_msg_is "Log in sub directory"
 '

 test_expect_success 'commit message from file (2)' '
 	rm -f log &&
 	echo "Log in sub directory" >subdir/log &&
 	(
 		cd subdir &&
 		git commit --allow-empty -F log
 	) &&
 	commit_msg_is "Log in sub directory"
 '

 test_expect_success 'commit message from stdin' '
 	(
 		cd subdir &&
 		echo "Log with foo word" | git commit --allow-empty -F -
 	) &&
 	commit_msg_is "Log with foo word"
 '

 test_expect_success 'commit -F overrides -t' '
 	(
 		cd subdir &&
 		echo "-F log" > f.log &&
 		echo "-t template" > t.template &&
 		git commit --allow-empty -F f.log -t t.template
 	) &&
 	commit_msg_is "-F log"
 '

 test_expect_success 'Commit without message is allowed with --allow-empty-message' '
 	echo "more content" >>foo &&
 	git add foo &&
 	>empty &&
 	git commit --allow-empty-message <empty &&
 	commit_msg_is "" &&
 	git tag empty-message-commit
 '

 test_expect_success 'Commit without message is no-no without --allow-empty-message' '
 	echo "more content" >>foo &&
 	git add foo &&
 	>empty &&
 	test_must_fail git commit <empty
 '

 test_expect_success 'Commit a message with --allow-empty-message' '
 	echo "even more content" >>foo &&
 	git add foo &&
 	git commit --allow-empty-message -m"hello there" &&
 	commit_msg_is "hello there"
 '

 test_expect_success 'commit -C empty respects --allow-empty-message' '
 	echo more >>foo &&
 	git add foo &&
 	test_must_fail git commit -C empty-message-commit &&
 	git commit -C empty-message-commit --allow-empty-message &&
 	commit_msg_is ""
 '

 commit_for_rebase_autosquash_setup () {
 	echo "first content line" >>foo &&
 	git add foo &&
 	cat >log <<EOF &&
 target message subject line

 target message body line 1
 target message body line 2
 EOF
 	git commit -F log &&
 	echo "second content line" >>foo &&
 	git add foo &&
 	git commit -m "intermediate commit" &&
 	echo "third content line" >>foo &&
 	git add foo
 }

 test_expect_success 'commit --fixup provides correct one-line commit message' '
 	commit_for_rebase_autosquash_setup &&
 	git commit --fixup HEAD~1 &&
 	commit_msg_is "fixup! target message subject line"
 '

 test_expect_success 'commit --fixup -m"something" -m"extra"' '
 	commit_for_rebase_autosquash_setup &&
 	git commit --fixup HEAD~1 -m"something" -m"extra" &&
 	commit_msg_is "fixup! target message subject linesomething

 extra"
 '
 get_commit_msg () {
 	rev="$1" &&
 	git log -1 --pretty=format:"%B" "$rev"
 }

 test_expect_success 'commit --fixup=amend: creates amend! commit' '
 	commit_for_rebase_autosquash_setup &&
 	cat >expected <<-EOF &&
 	amend! $(git log -1 --format=%s HEAD~)

 	$(get_commit_msg HEAD~)

 	edited
 	EOF
 	(
 		set_fake_editor &&
 		FAKE_COMMIT_AMEND="edited" \
 			git commit --fixup=amend:HEAD~
 	) &&
 	get_commit_msg HEAD >actual &&
 	test_cmp expected actual
 '

 test_expect_success '--fixup=amend: --only ignores staged changes' '
 	commit_for_rebase_autosquash_setup &&
 	cat >expected <<-EOF &&
 	amend! $(git log -1 --format=%s HEAD~)

 	$(get_commit_msg HEAD~)

 	edited
 	EOF
 	(
 		set_fake_editor &&
 		FAKE_COMMIT_AMEND="edited" \
 			git commit --fixup=amend:HEAD~ --only
 	) &&
 	get_commit_msg HEAD >actual &&
 	test_cmp expected actual &&
 	test_cmp_rev HEAD@{1}^{tree} HEAD^{tree} &&
 	test_cmp_rev HEAD@{1} HEAD^ &&
 	test_expect_code 1 git diff --cached --exit-code &&
 	git cat-file blob :foo >actual &&
 	test_cmp foo actual
 '

 test_expect_success '--fixup=reword: ignores staged changes' '
 	commit_for_rebase_autosquash_setup &&
 	cat >expected <<-EOF &&
 	amend! $(git log -1 --format=%s HEAD~)

 	$(get_commit_msg HEAD~)

 	edited
 	EOF
 	(
 		set_fake_editor &&
 		FAKE_COMMIT_AMEND="edited" \
 			git commit --fixup=reword:HEAD~
 	) &&
 	get_commit_msg HEAD >actual &&
 	test_cmp expected actual &&
 	test_cmp_rev HEAD@{1}^{tree} HEAD^{tree} &&
 	test_cmp_rev HEAD@{1} HEAD^ &&
 	test_expect_code 1 git diff --cached --exit-code &&
 	git cat-file blob :foo >actual &&
 	test_cmp foo actual
 '

 test_expect_success '--fixup=reword: error out with -m option' '
 	commit_for_rebase_autosquash_setup &&
 	echo "fatal: cannot combine -m with --fixup:reword" >expect &&
 	test_must_fail git commit --fixup=reword:HEAD~ -m "reword commit message" 2>actual &&
 	test_cmp expect actual
 '

 test_expect_success '--fixup=amend: error out with -m option' '
 	commit_for_rebase_autosquash_setup &&
 	echo "fatal: cannot combine -m with --fixup:amend" >expect &&
 	test_must_fail git commit --fixup=amend:HEAD~ -m "amend commit message" 2>actual &&
 	test_cmp expect actual
 '

 test_expect_success 'consecutive amend! commits remove amend! line from commit msg body' '
 	commit_for_rebase_autosquash_setup &&
 	cat >expected <<-EOF &&
 	amend! amend! $(git log -1 --format=%s HEAD~)

 	$(get_commit_msg HEAD~)

 	edited 1

 	edited 2
 	EOF
 	echo "reword new commit message" >actual &&
 	(
 		set_fake_editor &&
 		FAKE_COMMIT_AMEND="edited 1" \
 			git commit --fixup=reword:HEAD~ &&
 		FAKE_COMMIT_AMEND="edited 2" \
 			git commit --fixup=reword:HEAD
 	) &&
 	get_commit_msg HEAD >actual &&
 	test_cmp expected actual
 '

 test_expect_success 'deny to create amend! commit if its commit msg body is empty' '
 	commit_for_rebase_autosquash_setup &&
 	echo "Aborting commit due to empty commit message body." >expected &&
 	(
 		set_fake_editor &&
 		test_must_fail env FAKE_COMMIT_MESSAGE="amend! target message subject line" \
 			git commit --fixup=amend:HEAD~ 2>actual
 	) &&
 	test_cmp expected actual
 '

 test_expect_success 'amend! commit allows empty commit msg body with --allow-empty-message' '
 	commit_for_rebase_autosquash_setup &&
 	cat >expected <<-EOF &&
 	amend! $(git log -1 --format=%s HEAD~)
 	EOF
 	(
 		set_fake_editor &&
 		FAKE_COMMIT_MESSAGE="amend! target message subject line" \
 			git commit --fixup=amend:HEAD~ --allow-empty-message &&
 		get_commit_msg HEAD >actual
 	) &&
 	test_cmp expected actual
 '

 test_fixup_reword_opt () {
 	test_expect_success "--fixup=reword: incompatible with $1" "
 		echo 'fatal: reword option of --fixup is mutually exclusive with'\
 			'--patch/--interactive/--all/--include/--only' >expect &&
 		test_must_fail git commit --fixup=reword:HEAD~ $1 2>actual &&
 		test_cmp expect actual
 	"
 }

 for opt in --all --include --only --interactive --patch
 do
 	test_fixup_reword_opt $opt
 done

 test_expect_success '--fixup=reword: give error with pathsec' '
 	commit_for_rebase_autosquash_setup &&
 	echo "fatal: cannot combine reword option of --fixup with path '\''foo'\''" >expect &&
 	test_must_fail git commit --fixup=reword:HEAD~ -- foo 2>actual &&
 	test_cmp expect actual
 '

 test_expect_success '--fixup=reword: -F give error message' '
 	echo "fatal: Only one of -c/-C/-F/--fixup can be used." >expect &&
 	test_must_fail git commit --fixup=reword:HEAD~ -F msg  2>actual &&
 	test_cmp expect actual
 '

 test_expect_success 'commit --squash works with -F' '
 	commit_for_rebase_autosquash_setup &&
 	echo "log message from file" >msgfile &&
 	git commit --squash HEAD~1 -F msgfile  &&
 	commit_msg_is "squash! target message subject linelog message from file"
 '

 test_expect_success 'commit --squash works with -m' '
 	commit_for_rebase_autosquash_setup &&
 	git commit --squash HEAD~1 -m "foo bar\nbaz" &&
 	commit_msg_is "squash! target message subject linefoo bar\nbaz"
 '

 test_expect_success 'commit --squash works with -C' '
 	commit_for_rebase_autosquash_setup &&
 	git commit --squash HEAD~1 -C HEAD &&
 	commit_msg_is "squash! target message subject lineintermediate commit"
 '

 test_expect_success 'commit --squash works with -c' '
 	commit_for_rebase_autosquash_setup &&
 	test_set_editor "$TEST_DIRECTORY"/t7500/edit-content &&
 	git commit --squash HEAD~1 -c HEAD &&
 	commit_msg_is "squash! target message subject lineedited commit"
 '

 test_expect_success 'commit --squash works with -C for same commit' '
 	commit_for_rebase_autosquash_setup &&
 	git commit --squash HEAD -C HEAD &&
 	commit_msg_is "squash! intermediate commit"
 '

 test_expect_success 'commit --squash works with -c for same commit' '
 	commit_for_rebase_autosquash_setup &&
 	test_set_editor "$TEST_DIRECTORY"/t7500/edit-content &&
 	git commit --squash HEAD -c HEAD &&
 	commit_msg_is "squash! edited commit"
 '

 test_expect_success 'commit --squash works with editor' '
 	commit_for_rebase_autosquash_setup &&
 	test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
 	git commit --squash HEAD~1 &&
 	commit_msg_is "squash! target message subject linecommit message"
 '

 test_expect_success 'invalid message options when using --fixup' '
 	echo changes >>foo &&
 	echo "message" >log &&
 	git add foo &&
 	test_must_fail git commit --fixup HEAD~1 --squash HEAD~2 &&
 	test_must_fail git commit --fixup HEAD~1 -C HEAD~2 &&
 	test_must_fail git commit --fixup HEAD~1 -c HEAD~2 &&
 	test_must_fail git commit --fixup HEAD~1 -F log
 '

 cat >expected-template <<EOF

 # Please enter the commit message for your changes. Lines starting
 # with '#' will be ignored, and an empty message aborts the commit.
 #
 # Author:    A U Thor <author@example.com>
 #
 # On branch commit-template-check
 # Changes to be committed:
 #	new file:   commit-template-check
 #
 # Untracked files not listed
 EOF

 test_expect_success 'new line found before status message in commit template' '
 	git checkout -b commit-template-check &&
 	git reset --hard HEAD &&
 	touch commit-template-check &&
 	git add commit-template-check &&
 	GIT_EDITOR="cat >editor-input" git commit --untracked-files=no --allow-empty-message &&
 	test_cmp expected-template editor-input
 '

 test_expect_success 'setup empty commit with unstaged rename and copy' '
 	test_create_repo unstaged_rename_and_copy &&
 	(
 		cd unstaged_rename_and_copy &&

 		echo content >orig &&
 		git add orig &&
 		test_commit orig &&

 		cp orig new_copy &&
 		mv orig new_rename &&
 		git add -N new_copy new_rename
 	)
 '

 test_expect_success 'check commit with unstaged rename and copy' '
 	(
 		cd unstaged_rename_and_copy &&

 		test_must_fail git -c diff.renames=copy commit
 	)
 '

 test_expect_success 'commit without staging files fails and displays hints' '
 	echo "initial" >file &&
 	git add file &&
 	git commit -m initial &&
 	echo "changes" >>file &&
 	test_must_fail git commit -m update >actual &&
 	test_i18ngrep "no changes added to commit (use \"git add\" and/or \"git commit -a\")" actual
 '

 test_done
	#!/bin/sh
	#
	# Copyright (c) 2007 Steven Grimm
	#

	test_description='git commit

	Tests for template, signoff, squash and -F functions.'

	. ./test-lib.sh

	. "$TEST_DIRECTORY"/lib-rebase.sh

	commit_msg_is () {
	expect=commit_msg_is.expect
	actual=commit_msg_is.actual

	printf "%s" "$(git log --pretty=format:%s%b -1)" >"$actual" &&
	printf "%s" "$1" >"$expect" &&
	test_cmp "$expect" "$actual"
	}

	# A sanity check to see if commit is working at all.
	test_expect_success 'a basic commit in an empty tree should succeed' '
	echo content > foo &&
	git add foo &&
	git commit -m "initial commit"
	'

	test_expect_success 'nonexistent template file should return error' '
	echo changes >> foo &&
	git add foo &&
	(
	GIT_EDITOR="echo hello >\"\$1\"" &&
	export GIT_EDITOR &&
	test_must_fail git commit --template "$PWD"/notexist
	)
	'

	test_expect_success 'nonexistent template file in config should return error' '
	test_config commit.template "$PWD"/notexist &&
	(
	GIT_EDITOR="echo hello >\"\$1\"" &&
	export GIT_EDITOR &&
	test_must_fail git commit
	)
	'

	# From now on we'll use a template file that exists.
	TEMPLATE="$PWD"/template

	test_expect_success 'unedited template should not commit' '
	echo "template line" > "$TEMPLATE" &&
	test_must_fail git commit --template "$TEMPLATE"
	'

	test_expect_success 'unedited template with comments should not commit' '
	echo "# comment in template" >> "$TEMPLATE" &&
	test_must_fail git commit --template "$TEMPLATE"
	'

	test_expect_success 'a Signed-off-by line by itself should not commit' '
	(
	test_set_editor "$TEST_DIRECTORY"/t7500/add-signed-off &&
	test_must_fail git commit --template "$TEMPLATE"
	)
	'

	test_expect_success 'adding comments to a template should not commit' '
	(
	test_set_editor "$TEST_DIRECTORY"/t7500/add-comments &&
	test_must_fail git commit --template "$TEMPLATE"
	)
	'

	test_expect_success 'adding real content to a template should commit' '
	(
	test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
	git commit --template "$TEMPLATE"
	) &&
	commit_msg_is "template linecommit message"
	'

	test_expect_success '-t option should be short for --template' '
	echo "short template" > "$TEMPLATE" &&
	echo "new content" >> foo &&
	git add foo &&
	(
	test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
	git commit -t "$TEMPLATE"
	) &&
	commit_msg_is "short templatecommit message"
	'

	test_expect_success 'config-specified template should commit' '
	echo "new template" > "$TEMPLATE" &&
	test_config commit.template "$TEMPLATE" &&
	echo "more content" >> foo &&
	git add foo &&
	(
	test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
	git commit
	) &&
	commit_msg_is "new templatecommit message"
	'

	test_expect_success 'explicit commit message should override template' '
	echo "still more content" >> foo &&
	git add foo &&
	GIT_EDITOR="$TEST_DIRECTORY"/t7500/add-content git commit --template "$TEMPLATE" \
	-m "command line msg" &&
	commit_msg_is "command line msg"
	'

	test_expect_success 'commit message from file should override template' '
	echo "content galore" >> foo &&
	git add foo &&
	echo "standard input msg" \|
	(
	test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
	git commit --template "$TEMPLATE" --file -
	) &&
	commit_msg_is "standard input msg"
	'

	cat >"$TEMPLATE" <<\EOF


	### template

	EOF
	test_expect_success 'commit message from template with whitespace issue' '
	echo "content galore" >>foo &&
	git add foo &&
	GIT_EDITOR=\""$TEST_DIRECTORY"\"/t7500/add-whitespaced-content \
	git commit --template "$TEMPLATE" &&
	commit_msg_is "commit message"
	'

	test_expect_success 'using alternate GIT_INDEX_FILE (1)' '

	cp .git/index saved-index &&
	(
	echo some new content >file &&
	GIT_INDEX_FILE=.git/another_index &&
	export GIT_INDEX_FILE &&
	git add file &&
	git commit -m "commit using another index" &&
	git diff-index --exit-code HEAD &&
	git diff-files --exit-code
	) &&
	cmp .git/index saved-index >/dev/null

	'

	test_expect_success 'using alternate GIT_INDEX_FILE (2)' '

	cp .git/index saved-index &&
	(
	rm -f .git/no-such-index &&
	GIT_INDEX_FILE=.git/no-such-index &&
	export GIT_INDEX_FILE &&
	git commit -m "commit using nonexistent index" &&
	test -z "$(git ls-files)" &&
	test -z "$(git ls-tree HEAD)"

	) &&
	cmp .git/index saved-index >/dev/null
	'

	cat > expect << EOF
	zort

	Signed-off-by: C O Mitter <committer@example.com>
	EOF

	test_expect_success '--signoff' '
	echo "yet another content narf" >> foo &&
	echo "zort" \| git commit -s -F - foo &&
	git cat-file commit HEAD \| sed "1,/^\$/d" > output &&
	test_cmp expect output
	'

	test_expect_success 'commit message from file (1)' '
	mkdir subdir &&
	echo "Log in top directory" >log &&
	echo "Log in sub directory" >subdir/log &&
	(
	cd subdir &&
	git commit --allow-empty -F log
	) &&
	commit_msg_is "Log in sub directory"
	'

	test_expect_success 'commit message from file (2)' '
	rm -f log &&
	echo "Log in sub directory" >subdir/log &&
	(
	cd subdir &&
	git commit --allow-empty -F log
	) &&
	commit_msg_is "Log in sub directory"
	'

	test_expect_success 'commit message from stdin' '
	(
	cd subdir &&
	echo "Log with foo word" \| git commit --allow-empty -F -
	) &&
	commit_msg_is "Log with foo word"
	'

	test_expect_success 'commit -F overrides -t' '
	(
	cd subdir &&
	echo "-F log" > f.log &&
	echo "-t template" > t.template &&
	git commit --allow-empty -F f.log -t t.template
	) &&
	commit_msg_is "-F log"
	'

	test_expect_success 'Commit without message is allowed with --allow-empty-message' '
	echo "more content" >>foo &&
	git add foo &&
	>empty &&
	git commit --allow-empty-message <empty &&
	commit_msg_is "" &&
	git tag empty-message-commit
	'

	test_expect_success 'Commit without message is no-no without --allow-empty-message' '
	echo "more content" >>foo &&
	git add foo &&
	>empty &&
	test_must_fail git commit <empty
	'

	test_expect_success 'Commit a message with --allow-empty-message' '
	echo "even more content" >>foo &&
	git add foo &&
	git commit --allow-empty-message -m"hello there" &&
	commit_msg_is "hello there"
	'

	test_expect_success 'commit -C empty respects --allow-empty-message' '
	echo more >>foo &&
	git add foo &&
	test_must_fail git commit -C empty-message-commit &&
	git commit -C empty-message-commit --allow-empty-message &&
	commit_msg_is ""
	'

	commit_for_rebase_autosquash_setup () {
	echo "first content line" >>foo &&
	git add foo &&
	cat >log <<EOF &&
	target message subject line

	target message body line 1
	target message body line 2
	EOF
	git commit -F log &&
	echo "second content line" >>foo &&
	git add foo &&
	git commit -m "intermediate commit" &&
	echo "third content line" >>foo &&
	git add foo
	}

	test_expect_success 'commit --fixup provides correct one-line commit message' '
	commit_for_rebase_autosquash_setup &&
	git commit --fixup HEAD~1 &&
	commit_msg_is "fixup! target message subject line"
	'

	test_expect_success 'commit --fixup -m"something" -m"extra"' '
	commit_for_rebase_autosquash_setup &&
	git commit --fixup HEAD~1 -m"something" -m"extra" &&
	commit_msg_is "fixup! target message subject linesomething

	extra"
	'
	get_commit_msg () {
	rev="$1" &&
	git log -1 --pretty=format:"%B" "$rev"
	}

	test_expect_success 'commit --fixup=amend: creates amend! commit' '
	commit_for_rebase_autosquash_setup &&
	cat >expected <<-EOF &&
	amend! $(git log -1 --format=%s HEAD~)

	$(get_commit_msg HEAD~)

	edited
	EOF
	(
	set_fake_editor &&
	FAKE_COMMIT_AMEND="edited" \
	git commit --fixup=amend:HEAD~
	) &&
	get_commit_msg HEAD >actual &&
	test_cmp expected actual
	'

	test_expect_success '--fixup=amend: --only ignores staged changes' '
	commit_for_rebase_autosquash_setup &&
	cat >expected <<-EOF &&
	amend! $(git log -1 --format=%s HEAD~)

	$(get_commit_msg HEAD~)

	edited
	EOF
	(
	set_fake_editor &&
	FAKE_COMMIT_AMEND="edited" \
	git commit --fixup=amend:HEAD~ --only
	) &&
	get_commit_msg HEAD >actual &&
	test_cmp expected actual &&
	test_cmp_rev HEAD@{1}^{tree} HEAD^{tree} &&
	test_cmp_rev HEAD@{1} HEAD^ &&
	test_expect_code 1 git diff --cached --exit-code &&
	git cat-file blob :foo >actual &&
	test_cmp foo actual
	'

	test_expect_success '--fixup=reword: ignores staged changes' '
	commit_for_rebase_autosquash_setup &&
	cat >expected <<-EOF &&
	amend! $(git log -1 --format=%s HEAD~)

	$(get_commit_msg HEAD~)

	edited
	EOF
	(
	set_fake_editor &&
	FAKE_COMMIT_AMEND="edited" \
	git commit --fixup=reword:HEAD~
	) &&
	get_commit_msg HEAD >actual &&
	test_cmp expected actual &&
	test_cmp_rev HEAD@{1}^{tree} HEAD^{tree} &&
	test_cmp_rev HEAD@{1} HEAD^ &&
	test_expect_code 1 git diff --cached --exit-code &&
	git cat-file blob :foo >actual &&
	test_cmp foo actual
	'

	test_expect_success '--fixup=reword: error out with -m option' '
	commit_for_rebase_autosquash_setup &&
	echo "fatal: cannot combine -m with --fixup:reword" >expect &&
	test_must_fail git commit --fixup=reword:HEAD~ -m "reword commit message" 2>actual &&
	test_cmp expect actual
	'

	test_expect_success '--fixup=amend: error out with -m option' '
	commit_for_rebase_autosquash_setup &&
	echo "fatal: cannot combine -m with --fixup:amend" >expect &&
	test_must_fail git commit --fixup=amend:HEAD~ -m "amend commit message" 2>actual &&
	test_cmp expect actual
	'

	test_expect_success 'consecutive amend! commits remove amend! line from commit msg body' '
	commit_for_rebase_autosquash_setup &&
	cat >expected <<-EOF &&
	amend! amend! $(git log -1 --format=%s HEAD~)

	$(get_commit_msg HEAD~)

	edited 1

	edited 2
	EOF
	echo "reword new commit message" >actual &&
	(
	set_fake_editor &&
	FAKE_COMMIT_AMEND="edited 1" \
	git commit --fixup=reword:HEAD~ &&
	FAKE_COMMIT_AMEND="edited 2" \
	git commit --fixup=reword:HEAD
	) &&
	get_commit_msg HEAD >actual &&
	test_cmp expected actual
	'

	test_expect_success 'deny to create amend! commit if its commit msg body is empty' '
	commit_for_rebase_autosquash_setup &&
	echo "Aborting commit due to empty commit message body." >expected &&
	(
	set_fake_editor &&
	test_must_fail env FAKE_COMMIT_MESSAGE="amend! target message subject line" \
	git commit --fixup=amend:HEAD~ 2>actual
	) &&
	test_cmp expected actual
	'

	test_expect_success 'amend! commit allows empty commit msg body with --allow-empty-message' '
	commit_for_rebase_autosquash_setup &&
	cat >expected <<-EOF &&
	amend! $(git log -1 --format=%s HEAD~)
	EOF
	(
	set_fake_editor &&
	FAKE_COMMIT_MESSAGE="amend! target message subject line" \
	git commit --fixup=amend:HEAD~ --allow-empty-message &&
	get_commit_msg HEAD >actual
	) &&
	test_cmp expected actual
	'

	test_fixup_reword_opt () {
	test_expect_success "--fixup=reword: incompatible with $1" "
	echo 'fatal: reword option of --fixup is mutually exclusive with'\
	'--patch/--interactive/--all/--include/--only' >expect &&
	test_must_fail git commit --fixup=reword:HEAD~ $1 2>actual &&
	test_cmp expect actual
	"
	}

	for opt in --all --include --only --interactive --patch
	do
	test_fixup_reword_opt $opt
	done

	test_expect_success '--fixup=reword: give error with pathsec' '
	commit_for_rebase_autosquash_setup &&
	echo "fatal: cannot combine reword option of --fixup with path '\''foo'\''" >expect &&
	test_must_fail git commit --fixup=reword:HEAD~ -- foo 2>actual &&
	test_cmp expect actual
	'

	test_expect_success '--fixup=reword: -F give error message' '
	echo "fatal: Only one of -c/-C/-F/--fixup can be used." >expect &&
	test_must_fail git commit --fixup=reword:HEAD~ -F msg 2>actual &&
	test_cmp expect actual
	'

	test_expect_success 'commit --squash works with -F' '
	commit_for_rebase_autosquash_setup &&
	echo "log message from file" >msgfile &&
	git commit --squash HEAD~1 -F msgfile &&
	commit_msg_is "squash! target message subject linelog message from file"
	'

	test_expect_success 'commit --squash works with -m' '
	commit_for_rebase_autosquash_setup &&
	git commit --squash HEAD~1 -m "foo bar\nbaz" &&
	commit_msg_is "squash! target message subject linefoo bar\nbaz"
	'

	test_expect_success 'commit --squash works with -C' '
	commit_for_rebase_autosquash_setup &&
	git commit --squash HEAD~1 -C HEAD &&
	commit_msg_is "squash! target message subject lineintermediate commit"
	'

	test_expect_success 'commit --squash works with -c' '
	commit_for_rebase_autosquash_setup &&
	test_set_editor "$TEST_DIRECTORY"/t7500/edit-content &&
	git commit --squash HEAD~1 -c HEAD &&
	commit_msg_is "squash! target message subject lineedited commit"
	'

	test_expect_success 'commit --squash works with -C for same commit' '
	commit_for_rebase_autosquash_setup &&
	git commit --squash HEAD -C HEAD &&
	commit_msg_is "squash! intermediate commit"
	'

	test_expect_success 'commit --squash works with -c for same commit' '
	commit_for_rebase_autosquash_setup &&
	test_set_editor "$TEST_DIRECTORY"/t7500/edit-content &&
	git commit --squash HEAD -c HEAD &&
	commit_msg_is "squash! edited commit"
	'

	test_expect_success 'commit --squash works with editor' '
	commit_for_rebase_autosquash_setup &&
	test_set_editor "$TEST_DIRECTORY"/t7500/add-content &&
	git commit --squash HEAD~1 &&
	commit_msg_is "squash! target message subject linecommit message"
	'

	test_expect_success 'invalid message options when using --fixup' '
	echo changes >>foo &&
	echo "message" >log &&
	git add foo &&
	test_must_fail git commit --fixup HEAD~1 --squash HEAD~2 &&
	test_must_fail git commit --fixup HEAD~1 -C HEAD~2 &&
	test_must_fail git commit --fixup HEAD~1 -c HEAD~2 &&
	test_must_fail git commit --fixup HEAD~1 -F log
	'

	cat >expected-template <<EOF

	# Please enter the commit message for your changes. Lines starting
	# with '#' will be ignored, and an empty message aborts the commit.
	#
	# Author: A U Thor <author@example.com>
	#
	# On branch commit-template-check
	# Changes to be committed:
	# new file: commit-template-check
	#
	# Untracked files not listed
	EOF

	test_expect_success 'new line found before status message in commit template' '
	git checkout -b commit-template-check &&
	git reset --hard HEAD &&
	touch commit-template-check &&
	git add commit-template-check &&
	GIT_EDITOR="cat >editor-input" git commit --untracked-files=no --allow-empty-message &&
	test_cmp expected-template editor-input
	'

	test_expect_success 'setup empty commit with unstaged rename and copy' '
	test_create_repo unstaged_rename_and_copy &&
	(
	cd unstaged_rename_and_copy &&

	echo content >orig &&
	git add orig &&
	test_commit orig &&

	cp orig new_copy &&
	mv orig new_rename &&
	git add -N new_copy new_rename
	)
	'

	test_expect_success 'check commit with unstaged rename and copy' '
	(
	cd unstaged_rename_and_copy &&

	test_must_fail git -c diff.renames=copy commit
	)
	'

	test_expect_success 'commit without staging files fails and displays hints' '
	echo "initial" >file &&
	git add file &&
	git commit -m initial &&
	echo "changes" >>file &&
	test_must_fail git commit -m update >actual &&
	test_i18ngrep "no changes added to commit (use \"git add\" and/or \"git commit -a\")" actual
	'

	test_done