Preserve all line breaks in literal blocks

Fixes #8512

test/integration/roles/test_command_shell/tasks/main.yml

@@ -170,14 +170,17 @@
       - "shell_result4.changed == False"
 
 - name: execute a shell command using a literal multiline block
+  args:
+    executable: /bin/bash
   shell: |
     echo this is a
     "multiline echo"
     "with a new line
-    in quotes"
-    | md5sum
-    | tr -s ' '
+    in quotes" \
+    | md5sum \
+    | tr -s ' ' \
     | cut -f1 -d ' '
+    echo "this is a second line"
   register: shell_result5
 
 - debug: var=shell_result5
@@ -186,5 +189,5 @@
   assert:
     that:
       - "shell_result5.changed"
-      - "shell_result5.stdout == '32f3cc201b69ed8afa3902b80f554ca8'"
+      - "shell_result5.stdout == '32f3cc201b69ed8afa3902b80f554ca8\nthis is a second line'"
 

test/units/TestUtils.py

@@ -705,9 +705,9 @@ class TestUtils(unittest.TestCase):
         # jinja2 loop blocks with lots of complexity
         _test_combo(
             # in memory of neighbors cat
-            # we only preserve newlines inside of quotes
-            'a {% if x %} y {%else %} {{meow}} {% endif %} "cookie\nchip"\ndone',
-            ['a', '{% if x %}', 'y', '{%else %}', '{{meow}}', '{% endif %}', '"cookie\nchip"', 'done']
+            # we preserve line breaks unless a line continuation character preceeds them
+            'a {% if x %} y {%else %} {{meow}} {% endif %} "cookie\nchip" \\\ndone\nand done',
+            ['a', '{% if x %}', 'y', '{%else %}', '{{meow}}', '{% endif %}', '"cookie\nchip"', 'done', '\nand', 'done']
         )
 
         # test space preservation within quotes