Fix config file parsing with multi line values containing quoted parts

Signed-off-by: Sven Strickroth <email@cs-ware.de>

src/config_parse.c

@@ -451,7 +451,7 @@ static int parse_variable(git_config_parser *reader, char **var_name, char **var
 			git_buf_attach(&multi_value, value, 0);
 			value = NULL;
 
-			if (parse_multiline_variable(reader, &multi_value, quote_count) < 0 ||
+			if (parse_multiline_variable(reader, &multi_value, quote_count % 2) < 0 ||
 			    git_buf_oom(&multi_value)) {
 				error = -1;
 				git_buf_dispose(&multi_value);

tests/config/stress.c

@@ -59,6 +59,11 @@ void test_config_stress__comments(void)
 	assert_config_value(config, "some.section.multi", "hi, this is a ; multiline comment # with ;\n special chars and other stuff !@#");
 	assert_config_value(config, "some.section.multi2", "good, this is a ; multiline comment # with ;\n special chars and other stuff !@#");
 	assert_config_value(config, "some.section.back", "this is \ba phrase");
+	assert_config_value(config, "some.section.dollar", "some $sign");
+	assert_config_value(config, "some.section.multiquotes", "!ls  x                     ls  # comment2                     $HOME");
+	assert_config_value(config, "some.section.multiquotes2", "!ls  x                      ls  \"# comment2                      $HOME\"");
+	assert_config_value(config, "some.section.multiquotes3", "hi # ho there are # more quotes");
+	assert_config_value(config, "some.section.quotecomment", "hi # ho there are # more");
 
 	git_config_free(config);
 }

tests/resources/config/config12

@@ -11,3 +11,13 @@ and other stuff !@#"
 multiline comment # with ;\n special chars \
 and other stuff !@#"  #^^^
       back = "this is \ba phrase"
+      dollar = some $sign
+      multiquotes = !ls  "x" \
+                    ls  "# comment2" \
+                    $HOME
+      multiquotes2 = !ls  "x" \
+                     ls  "\"# comment2" \
+                     $HOME\"
+     multiquotes3 = hi "# ho" there "are #" more \
+quotes
+     quotecomment = hi "# ho" there "are #" more # and a real comment