t/t2203-add-intent.sh - jrn/git - Git at Google

 #!/bin/sh

 test_description='Intent to add'

 TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh

 test_expect_success 'intent to add' '
 	test_commit 1 &&
 	git rm 1.t &&
 	echo hello >1.t &&
 	echo hello >file &&
 	echo hello >elif &&
 	git add -N file &&
 	git add elif &&
 	git add -N 1.t
 '

 test_expect_success 'git status' '
 	git status --porcelain | grep -v actual >actual &&
 	cat >expect <<-\EOF &&
 	DA 1.t
 	A  elif
 	 A file
 	EOF
 	test_cmp expect actual
 '

 test_expect_success 'git status with porcelain v2' '
 	git status --porcelain=v2 | grep -v "^?" >actual &&
 	nam1=$(echo 1 | git hash-object --stdin) &&
 	nam2=$(git hash-object elif) &&
 	cat >expect <<-EOF &&
 	1 DA N... 100644 000000 100644 $nam1 $ZERO_OID 1.t
 	1 A. N... 000000 100644 100644 $ZERO_OID $nam2 elif
 	1 .A N... 000000 000000 100644 $ZERO_OID $ZERO_OID file
 	EOF
 	test_cmp expect actual
 '

 test_expect_success 'check result of "add -N"' '
 	git ls-files -s file >actual &&
 	empty=$(git hash-object --stdin </dev/null) &&
 	echo "100644 $empty 0	file" >expect &&
 	test_cmp expect actual
 '

 test_expect_success 'intent to add is just an ordinary empty blob' '
 	git add -u &&
 	git ls-files -s file >actual &&
 	git ls-files -s elif | sed -e "s/elif/file/" >expect &&
 	test_cmp expect actual
 '

 test_expect_success 'intent to add does not clobber existing paths' '
 	git add -N file elif &&
 	empty=$(git hash-object --stdin </dev/null) &&
 	git ls-files -s >actual &&
 	! grep "$empty" actual
 '

 test_expect_success 'i-t-a entry is simply ignored' '
 	test_tick &&
 	git commit -a -m initial &&
 	git reset --hard &&

 	echo xyzzy >rezrov &&
 	echo frotz >nitfol &&
 	git add rezrov &&
 	git add -N nitfol &&
 	git commit -m second &&
 	test $(git ls-tree HEAD -- nitfol | wc -l) = 0 &&
 	test $(git diff --name-only HEAD -- nitfol | wc -l) = 1 &&
 	test $(git diff --name-only -- nitfol | wc -l) = 1
 '

 test_expect_success 'can commit with an unrelated i-t-a entry in index' '
 	git reset --hard &&
 	echo bozbar >rezrov &&
 	echo frotz >nitfol &&
 	git add rezrov &&
 	git add -N nitfol &&
 	git commit -m partial rezrov
 '

 test_expect_success 'can "commit -a" with an i-t-a entry' '
 	git reset --hard &&
 	: >nitfol &&
 	git add -N nitfol &&
 	git commit -a -m all
 '

 test_expect_success 'cache-tree invalidates i-t-a paths' '
 	git reset --hard &&
 	mkdir dir &&
 	: >dir/foo &&
 	git add dir/foo &&
 	git commit -m foo &&

 	: >dir/bar &&
 	git add -N dir/bar &&
 	git diff --name-only >actual &&
 	echo dir/bar >expect &&
 	test_cmp expect actual &&

 	git write-tree >/dev/null &&

 	git diff --name-only >actual &&
 	echo dir/bar >expect &&
 	test_cmp expect actual
 '

 test_expect_success 'cache-tree does not ignore dir that has i-t-a entries' '
 	git init ita-in-dir &&
 	(
 		cd ita-in-dir &&
 		mkdir 2 &&
 		for f in 1 2/1 2/2 3
 		do
 			echo "$f" >"$f" || return 1
 		done &&
 		git add 1 2/2 3 &&
 		git add -N 2/1 &&
 		git commit -m committed &&
 		git ls-tree -r HEAD >actual &&
 		grep 2/2 actual
 	)
 '

 test_expect_success 'cache-tree does skip dir that becomes empty' '
 	rm -fr ita-in-dir &&
 	git init ita-in-dir &&
 	(
 		cd ita-in-dir &&
 		mkdir -p 1/2/3 &&
 		echo 4 >1/2/3/4 &&
 		git add -N 1/2/3/4 &&
 		git write-tree >actual &&
 		echo $EMPTY_TREE >expected &&
 		test_cmp expected actual
 	)
 '

 test_expect_success 'commit: ita entries ignored in empty initial commit check' '
 	git init empty-initial-commit &&
 	(
 		cd empty-initial-commit &&
 		: >one &&
 		git add -N one &&
 		test_must_fail git commit -m nothing-new-here
 	)
 '

 test_expect_success 'commit: ita entries ignored in empty commit check' '
 	git init empty-subsequent-commit &&
 	(
 		cd empty-subsequent-commit &&
 		test_commit one &&
 		: >two &&
 		git add -N two &&
 		test_must_fail git commit -m nothing-new-here
 	)
 '

 test_expect_success 'rename detection finds the right names' '
 	git init rename-detection &&
 	(
 		cd rename-detection &&
 		echo contents >first &&
 		git add first &&
 		git commit -m first &&
 		mv first third &&
 		git add -N third &&

 		git status | grep -v "^?" >actual.1 &&
 		test_grep "renamed: *first -> third" actual.1 &&

 		git status --porcelain | grep -v "^?" >actual.2 &&
 		cat >expected.2 <<-\EOF &&
 		 R first -> third
 		EOF
 		test_cmp expected.2 actual.2 &&

 		hash=$(git hash-object third) &&
 		git status --porcelain=v2 | grep -v "^?" >actual.3 &&
 		cat >expected.3 <<-EOF &&
 		2 .R N... 100644 100644 100644 $hash $hash R100 third	first
 		EOF
 		test_cmp expected.3 actual.3 &&

 		git diff --stat >actual.4 &&
 		cat >expected.4 <<-EOF &&
 		 first => third | 0
 		 1 file changed, 0 insertions(+), 0 deletions(-)
 		EOF
 		test_cmp expected.4 actual.4 &&

 		git diff --cached --stat >actual.5 &&
 		test_must_be_empty actual.5

 	)
 '

 test_expect_success 'double rename detection in status' '
 	git init rename-detection-2 &&
 	(
 		cd rename-detection-2 &&
 		echo contents >first &&
 		git add first &&
 		git commit -m first &&
 		git mv first second &&
 		mv second third &&
 		git add -N third &&

 		git status | grep -v "^?" >actual.1 &&
 		test_grep "renamed: *first -> second" actual.1 &&
 		test_grep "renamed: *second -> third" actual.1 &&

 		git status --porcelain | grep -v "^?" >actual.2 &&
 		cat >expected.2 <<-\EOF &&
 		R  first -> second
 		 R second -> third
 		EOF
 		test_cmp expected.2 actual.2 &&

 		hash=$(git hash-object third) &&
 		git status --porcelain=v2 | grep -v "^?" >actual.3 &&
 		cat >expected.3 <<-EOF &&
 		2 R. N... 100644 100644 100644 $hash $hash R100 second	first
 		2 .R N... 100644 100644 100644 $hash $hash R100 third	second
 		EOF
 		test_cmp expected.3 actual.3
 	)
 '

 test_expect_success 'i-t-a files shown as new for "diff", "diff-files"; not-new for "diff --cached"' '
 	git reset --hard &&
 	: >empty &&
 	content="foo" &&
 	echo "$content" >not-empty &&

 	hash_e=$(git hash-object empty) &&
 	hash_n=$(git hash-object not-empty) &&

 	cat >expect.diff_p <<-EOF &&
 	diff --git a/empty b/empty
 	new file mode 100644
 	index 0000000..$(git rev-parse --short $hash_e)
 	diff --git a/not-empty b/not-empty
 	new file mode 100644
 	index 0000000..$(git rev-parse --short $hash_n)
 	--- /dev/null
 	+++ b/not-empty
 	@@ -0,0 +1 @@
 	+$content
 	EOF
 	cat >expect.diff_s <<-EOF &&
 	 create mode 100644 empty
 	 create mode 100644 not-empty
 	EOF
 	cat >expect.diff_a <<-EOF &&
 	:000000 100644 0000000 0000000 A$(printf "\t")empty
 	:000000 100644 0000000 0000000 A$(printf "\t")not-empty
 	EOF

 	git add -N empty not-empty &&

 	git diff >actual &&
 	test_cmp expect.diff_p actual &&

 	git diff --summary >actual &&
 	test_cmp expect.diff_s actual &&

 	git diff-files -p >actual &&
 	test_cmp expect.diff_p actual &&

 	git diff-files --abbrev >actual &&
 	test_cmp expect.diff_a actual &&

 	git diff --cached >actual &&
 	test_must_be_empty actual
 '

 test_expect_success '"diff HEAD" includes ita as new files' '
 	git reset --hard &&
 	echo new >new-ita &&
 	oid=$(git hash-object new-ita) &&
 	oid=$(git rev-parse --short $oid) &&
 	git add -N new-ita &&
 	git diff HEAD >actual &&
 	cat >expected <<-EOF &&
 	diff --git a/new-ita b/new-ita
 	new file mode 100644
 	index 0000000..$oid
 	--- /dev/null
 	+++ b/new-ita
 	@@ -0,0 +1 @@
 	+new
 	EOF
 	test_cmp expected actual
 '

 test_expect_success 'apply --intent-to-add' '
 	git reset --hard &&
 	echo new >new-ita &&
 	git add -N new-ita &&
 	git diff >expected &&
 	grep "new file" expected &&
 	git reset --hard &&
 	git apply --intent-to-add expected &&
 	git diff >actual &&
 	test_cmp expected actual
 '

 test_done
	#!/bin/sh

	test_description='Intent to add'

	TEST_PASSES_SANITIZE_LEAK=true
	. ./test-lib.sh

	test_expect_success 'intent to add' '
	test_commit 1 &&
	git rm 1.t &&
	echo hello >1.t &&
	echo hello >file &&
	echo hello >elif &&
	git add -N file &&
	git add elif &&
	git add -N 1.t
	'

	test_expect_success 'git status' '
	git status --porcelain \| grep -v actual >actual &&
	cat >expect <<-\EOF &&
	DA 1.t
	A elif
	A file
	EOF
	test_cmp expect actual
	'

	test_expect_success 'git status with porcelain v2' '
	git status --porcelain=v2 \| grep -v "^?" >actual &&
	nam1=$(echo 1 \| git hash-object --stdin) &&
	nam2=$(git hash-object elif) &&
	cat >expect <<-EOF &&
	1 DA N... 100644 000000 100644 $nam1 $ZERO_OID 1.t
	1 A. N... 000000 100644 100644 $ZERO_OID $nam2 elif
	1 .A N... 000000 000000 100644 $ZERO_OID $ZERO_OID file
	EOF
	test_cmp expect actual
	'

	test_expect_success 'check result of "add -N"' '
	git ls-files -s file >actual &&
	empty=$(git hash-object --stdin </dev/null) &&
	echo "100644 $empty 0 file" >expect &&
	test_cmp expect actual
	'

	test_expect_success 'intent to add is just an ordinary empty blob' '
	git add -u &&
	git ls-files -s file >actual &&
	git ls-files -s elif \| sed -e "s/elif/file/" >expect &&
	test_cmp expect actual
	'

	test_expect_success 'intent to add does not clobber existing paths' '
	git add -N file elif &&
	empty=$(git hash-object --stdin </dev/null) &&
	git ls-files -s >actual &&
	! grep "$empty" actual
	'

	test_expect_success 'i-t-a entry is simply ignored' '
	test_tick &&
	git commit -a -m initial &&
	git reset --hard &&

	echo xyzzy >rezrov &&
	echo frotz >nitfol &&
	git add rezrov &&
	git add -N nitfol &&
	git commit -m second &&
	test $(git ls-tree HEAD -- nitfol \| wc -l) = 0 &&
	test $(git diff --name-only HEAD -- nitfol \| wc -l) = 1 &&
	test $(git diff --name-only -- nitfol \| wc -l) = 1
	'

	test_expect_success 'can commit with an unrelated i-t-a entry in index' '
	git reset --hard &&
	echo bozbar >rezrov &&
	echo frotz >nitfol &&
	git add rezrov &&
	git add -N nitfol &&
	git commit -m partial rezrov
	'

	test_expect_success 'can "commit -a" with an i-t-a entry' '
	git reset --hard &&
	: >nitfol &&
	git add -N nitfol &&
	git commit -a -m all
	'

	test_expect_success 'cache-tree invalidates i-t-a paths' '
	git reset --hard &&
	mkdir dir &&
	: >dir/foo &&
	git add dir/foo &&
	git commit -m foo &&

	: >dir/bar &&
	git add -N dir/bar &&
	git diff --name-only >actual &&
	echo dir/bar >expect &&
	test_cmp expect actual &&

	git write-tree >/dev/null &&

	git diff --name-only >actual &&
	echo dir/bar >expect &&
	test_cmp expect actual
	'

	test_expect_success 'cache-tree does not ignore dir that has i-t-a entries' '
	git init ita-in-dir &&
	(
	cd ita-in-dir &&
	mkdir 2 &&
	for f in 1 2/1 2/2 3
	do
	echo "$f" >"$f" \|\| return 1
	done &&
	git add 1 2/2 3 &&
	git add -N 2/1 &&
	git commit -m committed &&
	git ls-tree -r HEAD >actual &&
	grep 2/2 actual
	)
	'

	test_expect_success 'cache-tree does skip dir that becomes empty' '
	rm -fr ita-in-dir &&
	git init ita-in-dir &&
	(
	cd ita-in-dir &&
	mkdir -p 1/2/3 &&
	echo 4 >1/2/3/4 &&
	git add -N 1/2/3/4 &&
	git write-tree >actual &&
	echo $EMPTY_TREE >expected &&
	test_cmp expected actual
	)
	'

	test_expect_success 'commit: ita entries ignored in empty initial commit check' '
	git init empty-initial-commit &&
	(
	cd empty-initial-commit &&
	: >one &&
	git add -N one &&
	test_must_fail git commit -m nothing-new-here
	)
	'

	test_expect_success 'commit: ita entries ignored in empty commit check' '
	git init empty-subsequent-commit &&
	(
	cd empty-subsequent-commit &&
	test_commit one &&
	: >two &&
	git add -N two &&
	test_must_fail git commit -m nothing-new-here
	)
	'

	test_expect_success 'rename detection finds the right names' '
	git init rename-detection &&
	(
	cd rename-detection &&
	echo contents >first &&
	git add first &&
	git commit -m first &&
	mv first third &&
	git add -N third &&

	git status \| grep -v "^?" >actual.1 &&
	test_grep "renamed: *first -> third" actual.1 &&

	git status --porcelain \| grep -v "^?" >actual.2 &&
	cat >expected.2 <<-\EOF &&
	R first -> third
	EOF
	test_cmp expected.2 actual.2 &&

	hash=$(git hash-object third) &&
	git status --porcelain=v2 \| grep -v "^?" >actual.3 &&
	cat >expected.3 <<-EOF &&
	2 .R N... 100644 100644 100644 $hash $hash R100 third first
	EOF
	test_cmp expected.3 actual.3 &&

	git diff --stat >actual.4 &&
	cat >expected.4 <<-EOF &&
	first => third \| 0
	1 file changed, 0 insertions(+), 0 deletions(-)
	EOF
	test_cmp expected.4 actual.4 &&

	git diff --cached --stat >actual.5 &&
	test_must_be_empty actual.5

	)
	'

	test_expect_success 'double rename detection in status' '
	git init rename-detection-2 &&
	(
	cd rename-detection-2 &&
	echo contents >first &&
	git add first &&
	git commit -m first &&
	git mv first second &&
	mv second third &&
	git add -N third &&

	git status \| grep -v "^?" >actual.1 &&
	test_grep "renamed: *first -> second" actual.1 &&
	test_grep "renamed: *second -> third" actual.1 &&

	git status --porcelain \| grep -v "^?" >actual.2 &&
	cat >expected.2 <<-\EOF &&
	R first -> second
	R second -> third
	EOF
	test_cmp expected.2 actual.2 &&

	hash=$(git hash-object third) &&
	git status --porcelain=v2 \| grep -v "^?" >actual.3 &&
	cat >expected.3 <<-EOF &&
	2 R. N... 100644 100644 100644 $hash $hash R100 second first
	2 .R N... 100644 100644 100644 $hash $hash R100 third second
	EOF
	test_cmp expected.3 actual.3
	)
	'

	test_expect_success 'i-t-a files shown as new for "diff", "diff-files"; not-new for "diff --cached"' '
	git reset --hard &&
	: >empty &&
	content="foo" &&
	echo "$content" >not-empty &&

	hash_e=$(git hash-object empty) &&
	hash_n=$(git hash-object not-empty) &&

	cat >expect.diff_p <<-EOF &&
	diff --git a/empty b/empty
	new file mode 100644
	index 0000000..$(git rev-parse --short $hash_e)
	diff --git a/not-empty b/not-empty
	new file mode 100644
	index 0000000..$(git rev-parse --short $hash_n)
	--- /dev/null
	+++ b/not-empty
	@@ -0,0 +1 @@
	+$content
	EOF
	cat >expect.diff_s <<-EOF &&
	create mode 100644 empty
	create mode 100644 not-empty
	EOF
	cat >expect.diff_a <<-EOF &&
	:000000 100644 0000000 0000000 A$(printf "\t")empty
	:000000 100644 0000000 0000000 A$(printf "\t")not-empty
	EOF

	git add -N empty not-empty &&

	git diff >actual &&
	test_cmp expect.diff_p actual &&

	git diff --summary >actual &&
	test_cmp expect.diff_s actual &&

	git diff-files -p >actual &&
	test_cmp expect.diff_p actual &&

	git diff-files --abbrev >actual &&
	test_cmp expect.diff_a actual &&

	git diff --cached >actual &&
	test_must_be_empty actual
	'

	test_expect_success '"diff HEAD" includes ita as new files' '
	git reset --hard &&
	echo new >new-ita &&
	oid=$(git hash-object new-ita) &&
	oid=$(git rev-parse --short $oid) &&
	git add -N new-ita &&
	git diff HEAD >actual &&
	cat >expected <<-EOF &&
	diff --git a/new-ita b/new-ita
	new file mode 100644
	index 0000000..$oid
	--- /dev/null
	+++ b/new-ita
	@@ -0,0 +1 @@
	+new
	EOF
	test_cmp expected actual
	'

	test_expect_success 'apply --intent-to-add' '
	git reset --hard &&
	echo new >new-ita &&
	git add -N new-ita &&
	git diff >expected &&
	grep "new file" expected &&
	git reset --hard &&
	git apply --intent-to-add expected &&
	git diff >actual &&
	test_cmp expected actual
	'

	test_done