[PATCH/RFC 7/7] t2016 (checkout -p): use printf for multiline y/n input

@@ -20,48 +20,55 @@ test_expect_success 'setup' '
 
 test_expect_success 'saying "n" does nothing' '
 	set_and_save_state dir/foo work head &&
-	(echo n; echo n) | git checkout -p &&
+	printf "%s\n" n n |
+	git checkout -p &&
 	verify_saved_state bar &&
 	verify_saved_state dir/foo
 '
 
 test_expect_success 'git checkout -p' '
-	(echo n; echo y) | git checkout -p &&
+	printf "%s\n" n y |
+	git checkout -p &&
 	verify_saved_state bar &&
 	verify_state dir/foo head head
 '
 
 test_expect_success 'git checkout -p with staged changes' '
-	set_state dir/foo work index
-	(echo n; echo y) | git checkout -p &&
+	set_state dir/foo work index &&
+	printf "%s\n" n y |
+	git checkout -p &&
 	verify_saved_state bar &&
 	verify_state dir/foo index index
 '
 
 test_expect_success 'git checkout -p HEAD with NO staged changes: abort' '
 	set_and_save_state dir/foo work head &&
-	(echo n; echo y; echo n) | git checkout -p HEAD &&
+	printf "%s\n" n y n |
+	git checkout -p HEAD &&
 	verify_saved_state bar &&
 	verify_saved_state dir/foo
 '
 
 test_expect_success 'git checkout -p HEAD with NO staged changes: apply' '
-	(echo n; echo y; echo y) | git checkout -p HEAD &&
+	printf "%s\n" n y y |
+	git checkout -p HEAD &&
 	verify_saved_state bar &&
 	verify_state dir/foo head head
 '
 
 test_expect_success 'git checkout -p HEAD with change already staged' '
-	set_state dir/foo index index
+	set_state dir/foo index index &&
 	# the third n is to get out in case it mistakenly does not apply
-	(echo n; echo y; echo n) | git checkout -p HEAD &&
+	printf "%s\n" n y n |
+	git checkout -p HEAD &&
 	verify_saved_state bar &&
 	verify_state dir/foo head head
 '
 
 test_expect_success 'git checkout -p HEAD^' '
 	# the third n is to get out in case it mistakenly does not apply
-	(echo n; echo y; echo n) | git checkout -p HEAD^ &&
+	printf "%s\n" n y n |
+	git checkout -p HEAD^ &&
 	verify_saved_state bar &&
 	verify_state dir/foo parent parent
 '

@@ -69,7 +76,8 @@ test_expect_success 'git checkout -p HEAD^' '
 test_expect_success 'git checkout -p handles deletion' '
 	set_state dir/foo work index &&
 	rm dir/foo &&
-	(echo n; echo y) | git checkout -p &&
+	printf "%s\n" n y |
+	git checkout -p &&
 	verify_saved_state bar &&
 	verify_state dir/foo index index
 '

@@ -81,21 +89,24 @@ test_expect_success 'git checkout -p handles deletion' '
 
 test_expect_success 'path limiting works: dir' '
 	set_state dir/foo work head &&
-	(echo y; echo n) | git checkout -p dir &&
+	printf "%s\n" y n |
+	git checkout -p dir &&
 	verify_saved_state bar &&
 	verify_state dir/foo head head
 '
 
 test_expect_success 'path limiting works: -- dir' '
 	set_state dir/foo work head &&
-	(echo y; echo n) | git checkout -p -- dir &&
+	printf "%s\n" y n |
+	git checkout -p -- dir &&
 	verify_saved_state bar &&
 	verify_state dir/foo head head
 '
 
 test_expect_success 'path limiting works: HEAD^ -- dir' '
 	# the third n is to get out in case it mistakenly does not apply
-	(echo y; echo n; echo n) | git checkout -p HEAD^ -- dir &&
+	printf "%s\n" y n n |
+	git checkout -p HEAD^ -- dir &&
 	verify_saved_state bar &&
 	verify_state dir/foo parent parent
 '

@@ -103,7 +114,11 @@ test_expect_success 'path limiting works: HEAD^ -- dir' '
 test_expect_success 'path limiting works: foo inside dir' '
 	set_state dir/foo work head &&
 	# the third n is to get out in case it mistakenly does not apply
-	(echo y; echo n; echo n) | (cd dir && git checkout -p foo) &&
+	printf "%s\n" y n n |
+	(
+		cd dir &&
+		git checkout -p foo
+	) &&
 	verify_saved_state bar &&
 	verify_state dir/foo head head
 '