Remove trailing whitespace from all files

.travis.yml

@@ -8,6 +8,7 @@ matrix:
 sudo: false
 language: cpp
 script:
+  - ./misc/ci.py
   - ./configure.py --bootstrap
   - ./ninja all
   - ./ninja_test --gtest_filter=-SubprocessTest.SetWithLots

configure.py

@@ -508,7 +508,7 @@ for name in ['build',
              'string_piece_util',
              'util',
              'version']:
-    objs += cxx(name, variables=cxxvariables) 
+    objs += cxx(name, variables=cxxvariables)
 if platform.is_windows():
     for name in ['subprocess-win32',
                  'includes_normalize-win32',

misc/ci.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+import os
+
+ignores = [
+	'.git/',
+	'misc/afl-fuzz-tokens/',
+	'ninja_deps',
+	'src/depfile_parser.cc',
+	'src/lexer.cc',
+]
+
+error_count = 0
+
+def error(path, msg):
+	global error_count
+	error_count += 1
+	print('\x1b[1;31m{}\x1b[0;31m{}\x1b[0m'.format(path, msg))
+
+for root, directory, filenames in os.walk('.'):
+	for filename in filenames:
+		path = os.path.join(root, filename)[2:]
+		if any([path.startswith(x) for x in ignores]):
+			continue
+		with open(path, 'rb') as file:
+			line_nr = 1
+			try:
+				for line in [x.decode() for x in file.readlines()]:
+					if len(line) == 0 or line[-1] != '\n':
+						error(path, ' missing newline at end of file.')
+					if len(line) > 1:
+						if line[-2] == '\r':
+							error(path, ' has Windows line endings.')
+							break
+						if line[-2] == ' ' or line[-2] == '\t':
+							error(path, ':{} has trailing whitespace.'.format(line_nr))
+					line_nr += 1
+			except UnicodeError:
+				pass # binary file
+
+exit(error_count)

src/clean_test.cc

@@ -325,7 +325,7 @@ TEST_F(CleanTest, CleanRsp) {
   Cleaner cleaner(&state_, config_, &fs_);
   ASSERT_EQ(0, cleaner.cleaned_files_count());
   ASSERT_EQ(0, cleaner.CleanTarget("out1"));
-  EXPECT_EQ(2, cleaner.cleaned_files_count()); 
+  EXPECT_EQ(2, cleaner.cleaned_files_count());
   ASSERT_EQ(0, cleaner.CleanTarget("in2"));
   EXPECT_EQ(2, cleaner.cleaned_files_count());
   ASSERT_EQ(0, cleaner.CleanRule("cat_rsp"));

src/deps_log.cc

@@ -48,7 +48,7 @@ bool DepsLog::OpenForWrite(const string& path, string* err) {
     if (!Recompact(path, err))
       return false;
   }
-  
+
   file_ = fopen(path.c_str(), "ab");
   if (!file_) {
     *err = strerror(errno);
@@ -331,7 +331,7 @@ bool DepsLog::Recompact(const string& path, string* err) {
   // will refer to the ordering in new_log, not in the current log.
   for (vector<Node*>::iterator i = nodes_.begin(); i != nodes_.end(); ++i)
     (*i)->set_id(-1);
-  
+
   // Write out all deps again.
   for (int old_id = 0; old_id < (int)deps_.size(); ++old_id) {
     Deps* deps = deps_[old_id];

src/getopt.c

@@ -75,7 +75,7 @@ COPYRIGHT NOTICE AND DISCLAIMER:
 
 Copyright (C) 1997 Gregory Pietsch
 
-This file and the accompanying getopt.h header file are hereby placed in the 
+This file and the accompanying getopt.h header file are hereby placed in the
 public domain without restrictions.  Just give the author credit, don't
 claim you wrote it or prevent anyone else from using it.