Fix and create code-smell test for line endings.

docsite/_static/solar.css

@@ -174,11 +174,11 @@ h3 {
 
 h3, h4, h5, h6 {
     color: #073642;
-	border-bottom: 1px dotted #eee;
+	border-bottom: 1px dotted #eee;
 }
 
 div.body h1 a, div.body h2 a, div.body h3 a, div.body h4 a, div.body h5 a, div.body h6 a {
-    color: #657B83!important;
+    color: #657B83!important;
 }
 
 h1 a.anchor, h2 a.anchor, h3 a.anchor, h4 a.anchor, h5 a.anchor, h6 a.anchor {
@@ -214,8 +214,8 @@ a.headerlink:hover {
 
 
 cite, code, tt {
-    font-family: 'Source Code Pro', monospace;
-	font-size: 0.9em;
+    font-family: 'Source Code Pro', monospace;
+	font-size: 0.9em;
     letter-spacing: 0.01em;
     background-color: #eeeff2;
     font-style: normal;
@@ -233,17 +233,17 @@ hr {
 }
 
 pre {
-    font-family: 'Source Code Pro', monospace;
+    font-family: 'Source Code Pro', monospace;
     font-style: normal;
-	font-size: 0.9em;
+	font-size: 0.9em;
     letter-spacing: 0.015em;
     line-height: 120%;
     padding: 0.7em;
-	white-space: pre-wrap;       /* css-3 */
-	white-space: -moz-pre-wrap;  /* Mozilla, since 1999 */
-	white-space: -pre-wrap;      /* Opera 4-6 */
-	white-space: -o-pre-wrap;    /* Opera 7 */
-	word-wrap: break-word;       /* Internet Explorer 5.5+ */
+	white-space: pre-wrap;       /* css-3 */
+	white-space: -moz-pre-wrap;  /* Mozilla, since 1999 */
+	white-space: -pre-wrap;      /* Opera 4-6 */
+	white-space: -o-pre-wrap;    /* Opera 7 */
+	word-wrap: break-word;       /* Internet Explorer 5.5+ */
 }
 
 pre a {

test/sanity/code-smell/line-endings.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+grep -RIPl '\r' . 2>/dev/null \
+    --exclude-dir .git \
+    | grep -v -F \
+    -e './test/integration/targets/win_regmerge/templates/win_line_ending.j2'
+
+if [ $? -ne 1 ]; then
+    printf 'One or more file(s) listed above have invalid line endings.\n'
+    printf 'Make sure all files use "\\n" for line endings instead of "\\r\\n".\n'
+    exit 1
+fi

test/utils/shippable/code-smell.sh

@@ -21,6 +21,7 @@ test/sanity/code-smell/use-compat-six.sh lib
 test/sanity/code-smell/boilerplate.sh
 test/sanity/code-smell/required-and-default-attributes.sh
 test/sanity/code-smell/shebang.sh
+test/sanity/code-smell/line-endings.sh
 
 shellcheck \
     test/integration/targets/*/*.sh \