5 files changed, 74 insertions, 10 deletions
diff --git a/build/build.xml b/build/build.xml
index 59170ab75f..2d1a6eb51a 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -2,9 +2,9 @@
 
 <project name="phpBB" description="The phpBB forum software" default="all" basedir="../">
 	<!-- a few settings for the build -->
-	<property name="newversion" value="3.1.5-dev" />
-	<property name="prevversion" value="3.1.4" />
-	<property name="olderversions" value="3.0.12, 3.0.13, 3.0.13-PL1, 3.0.14, 3.1.0, 3.1.1, 3.1.2, 3.1.3" />
+	<property name="newversion" value="3.1.7-dev" />
+	<property name="prevversion" value="3.1.6" />
+	<property name="olderversions" value="3.0.12, 3.0.13, 3.0.13-PL1, 3.0.14, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5" />
 	<!-- no configuration should be needed beyond this point -->
 
 	<property name="oldversions" value="${olderversions}, ${prevversion}" />
@@ -149,7 +149,7 @@
 			<property name="dir" value="build/old_versions/release-${version}" />
 		</phingcall>
 
-		<exec dir="build/old_versions" command="LC_ALL=C diff -crNEBwd release-${version} release-${newversion} >
+		<exec dir="build/old_versions" command="LC_ALL=C diff -crNEBZbd release-${version} release-${newversion} >
 			../new_version/patches/phpBB-${version}_to_${newversion}.patch" escape="false" />
 		<exec dir="build/old_versions" command="LC_ALL=C diff -qr release-${version} release-${newversion} | grep 'Only in release-${version}' > ../new_version/patches/phpBB-${version}_to_${newversion}.deleted" escape="false" />
 	</target>
@@ -177,13 +177,13 @@
 	<target name="package" depends="clean,prepare,prepare-new-version,old-version-diffs">
 		<exec dir="build" command="php -f package.php '${versions}' > logs/package.log" escape="false" />
 		<exec dir="build" escape="false"
-			command="diff -crNEBwd old_versions/release-${prevversion}/language new_version/phpBB3/language >
+			command="LC_ALL=C diff -crNEBZbd old_versions/release-${prevversion}/language new_version/phpBB3/language >
 				save/phpbb-${prevversion}_to_${newversion}_language.patch" />
 		<exec dir="build" escape="false"
-			command="diff -crNEBwd old_versions/release-${prevversion}/styles/prosilver new_version/phpBB3/styles/prosilver >
+			command="LC_ALL=C diff -crNEBZbd old_versions/release-${prevversion}/styles/prosilver new_version/phpBB3/styles/prosilver >
 				save/phpbb-${prevversion}_to_${newversion}_prosilver.patch" />
 		<exec dir="build" escape="false"
-			command="diff -crNEBwd old_versions/release-${prevversion}/styles/subsilver2 new_version/phpBB3/styles/subsilver2 >
+			command="LC_ALL=C diff -crNEBZbd old_versions/release-${prevversion}/styles/subsilver2 new_version/phpBB3/styles/subsilver2 >
 				save/phpbb-${prevversion}_to_${newversion}_subsilver2.patch" />
 
 		<exec dir="build" escape="false"
diff --git a/build/build_helper.php b/build/build_helper.php
index 35e8cd744b..3ff1b89eab 100644
--- a/build/build_helper.php
+++ b/build/build_helper.php
@@ -22,11 +22,11 @@ class build_package
 	// -r - compare recursive
 	// -N - Treat missing files as empty
 	// -E - Ignore tab expansions
-	//		not used: -b - Ignore space changes.
-	// -w - Ignore all whitespace
+	// -Z - Ignore white space at line end.
+	// -b - Ignore changes in the amount of white space.
 	// -B - Ignore blank lines
 	// -d - Try to find smaller set of changes
-	var $diff_options = '-crNEBwd';
+	var $diff_options = '-crNEBZbd';
 	var $diff_options_long = '-x images -crNEB'; // -x fonts -x imageset //imageset not used here, because it includes the imageset.cfg file. ;)
 
 	var $verbose = false;
diff --git a/build/code_sniffer/phpbb/Sniffs/ControlStructures/OpeningParenthesisSniff.php b/build/code_sniffer/phpbb/Sniffs/ControlStructures/OpeningParenthesisSniff.php
new file mode 100644
index 0000000000..349bccbb02
--- /dev/null
+++ b/build/code_sniffer/phpbb/Sniffs/ControlStructures/OpeningParenthesisSniff.php
@@ -0,0 +1,60 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+/**
+ * Checks that there is exactly one space between the keyword and the opening
+ * parenthesis of a control structures.
+ */
+class phpbb_Sniffs_ControlStructures_OpeningParenthesisSniff implements PHP_CodeSniffer_Sniff
+{
+	/**
+	 * Registers the tokens that this sniff wants to listen for.
+	 */
+	public function register()
+	{
+		return array(
+			T_IF,
+			T_FOREACH,
+			T_WHILE,
+			T_FOR,
+			T_SWITCH,
+			T_ELSEIF,
+			T_CATCH,
+		);
+	}
+
+	/**
+	 * Processes this test, when one of its tokens is encountered.
+	 *
+	 * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
+	 * @param int                  $stackPtr  The position of the current token in the
+	 *                                        stack passed in $tokens.
+	 *
+	 * @return void
+	 */
+	public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
+	{
+		$tokens = $phpcsFile->getTokens();
+
+		if ($tokens[$stackPtr + 1]['content'] === '(')
+		{
+			$error = 'There should be exactly one space between the keyword and opening parenthesis';
+			$phpcsFile->addError($error, $stackPtr, 'NoSpaceBeforeOpeningParenthesis');
+		}
+		else if ($tokens[$stackPtr + 1]['content'] !== ' ')
+		{
+			$error = 'There should be exactly one space between the keyword and opening parenthesis';
+			$phpcsFile->addError($error, $stackPtr, 'IncorrectSpaceBeforeOpeningParenthesis');
+		}
+	}
+}
diff --git a/build/code_sniffer/ruleset-php-legacy.xml b/build/code_sniffer/ruleset-php-legacy.xml
index b0110e8b12..c740c6080f 100644
--- a/build/code_sniffer/ruleset-php-legacy.xml
+++ b/build/code_sniffer/ruleset-php-legacy.xml
@@ -86,4 +86,7 @@
  <!-- The ?> closing tag MUST be omitted from files containing only PHP. -->
  <rule ref="Zend.Files.ClosingTag" />
 
+ <!-- There MUST be one space between control structure and opening parenthesis -->
+ <rule ref="./phpbb/Sniffs/ControlStructures/OpeningParenthesisSniff.php" />
+
 </ruleset>
diff --git a/build/sami-all.conf.php b/build/sami-all.conf.php
index fb1a269206..9c10209e8b 100644
--- a/build/sami-all.conf.php
+++ b/build/sami-all.conf.php
@@ -25,6 +25,7 @@ $config['versions'] = Sami\Version\GitVersionCollection::create(__DIR__ . '/../'
 	*/
 	->add('3.0.x')
 	->add('3.1.x')
+	->add('master')
 ;
 
 return new Sami\Sami($iterator, $config);