From 8191716868084a8fd28c4447a6aa97c32ce25db2 Mon Sep 17 00:00:00 2001
From: AffectedArc07 <josephcase55@hotmail.com>
Date: Mon, 13 Jan 2020 11:53:36 +0000
Subject: [PATCH] CI to check for wrong line ending

---
 .travis.yml                        |  1 +
 tools/travis/check_line_endings.py | 47 ++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 tools/travis/check_line_endings.py

diff --git a/.travis.yml b/.travis.yml
index ab3b1003c3..3082e1a18e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,6 +26,7 @@ matrix:
         - find . -name "*.json" -not -path "./tgui/node_modules/*" -print0 | xargs -0 python3 ./tools/json_verifier.py
         - tools/travis/build_tgui.sh
         - tools/travis/check_grep.sh
+        - python3 tools/travis/check_line_endings.py
         - ~/dreamchecker
 
     - name: "Compile All Maps"
diff --git a/tools/travis/check_line_endings.py b/tools/travis/check_line_endings.py
new file mode 100644
index 0000000000..3ee7baf7aa
--- /dev/null
+++ b/tools/travis/check_line_endings.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python
+
+import os
+import sys
+import glob
+
+WINDOWS_NEWLINE = b'\r\n'
+
+FILES_TO_READ = []
+FILES_TO_READ.extend(glob.glob(r"**\*.dm", recursive=True))
+FILES_TO_READ.extend(glob.glob(r"**\*.dmm", recursive=True))
+FILES_TO_READ.extend(glob.glob(r"*.dme"))
+#for i in FILES_TO_READ:
+#	if os.path.isdir(i):
+#		FILES_TO_READ.remove(i)
+
+def _reader(filepath):
+	data = open(filepath, "rb")
+	return data
+
+def main():
+	filelist = []
+	foundfiles = False
+
+	for file in FILES_TO_READ:
+		data = _reader(file)
+		lines = data.readlines()
+		for line in lines:
+			if line.endswith(WINDOWS_NEWLINE):
+				filelist.append(file)
+				foundfiles = True
+				break
+		data.close()
+
+	if not foundfiles:
+		print("No CRLF files found.")
+		sys.exit(0)
+	else:
+		print("Found files with suspected CRLF type.")
+		for i in filelist:
+			print(i)
+		sys.exit(1)
+		
+
+
+if __name__ == "__main__":
+	main()