2 files changed, 110 insertions, 0 deletions
diff --git a/build/build.xml b/build/build.xml
index f0962e67eb..018f7b91a2 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -169,6 +169,18 @@
 		<exec dir="${dir}" command="sha256sum ${filename} > ${filename}.sha256" />
 	</target>
 
+	<target name="announcement" depends="prepare">
+		<echo msg="Writing download links and checksums for email announcement to save/announcement_email_${newversion}.txt" />
+		<exec dir="build" escape="false"
+			command="php -f build_announcement.php email '${newversion}' 'new_version/release_files' sha256 >
+				save/announcement_email_${newversion}.txt"  />
+
+		<echo msg="Writing download links and checksums for bbcode announcement to save/announcement_bbcode_${newversion}.txt" />
+		<exec dir="build" escape="false"
+			command="php -f build_announcement.php bbcode '${newversion}' 'new_version/release_files' sha256 >
+				save/announcement_bbcode_${newversion}.txt"  />
+	</target>
+
 	<target name="changelog" depends="prepare">
 		<exec dir="build" escape="false"
 			command="php -f build_changelog.php '${newversion}' >
diff --git a/build/build_announcement.php b/build/build_announcement.php
new file mode 100755
index 0000000000..3ee96fc67d
--- /dev/null
+++ b/build/build_announcement.php
@@ -0,0 +1,98 @@
+#!/usr/bin/env php
+<?php
+/**
+*
+* @package build
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+if (php_sapi_name() !== 'cli' || $_SERVER['argc'] != 5)
+{
+	echo "Usage (CLI only): build_announcement.php email|bbcode new_version release_files_dir checksum_algorithm\n";
+	exit(1);
+}
+
+$mode = $_SERVER['argv'][1];
+$version = $_SERVER['argv'][2];
+$root = $_SERVER['argv'][3];
+$checksum_algorithm = $_SERVER['argv'][4];
+
+$series_version = substr($version, 0, 3);
+$base_url = "https://download.phpbb.com/pub/release/$series_version";
+
+if (strpos($version, 'RC') === false)
+{
+	// Final release
+	$install_url	= "$base_url/$version";
+	$update_url		= "$base_url/update/to_$version";
+}
+else
+{
+	$install_url	= "$base_url/release_candidates/$version";
+	$update_url		= "$base_url/release_candidates/update/other_to_$version";
+}
+
+if ($mode === 'bbcode')
+{
+	$template = "[url=%1\$s/%2\$s]%2\$s[/url]\n{$checksum_algorithm}sum: %3\$s\n";
+}
+else
+{
+	$template = "%s/%s\n{$checksum_algorithm}sum: %s\n";
+}
+
+function phpbb_rnatsort($array)
+{
+	$strrnatcmp = function($a, $b)
+	{
+		return strnatcmp($b, $a);
+	};
+	usort($array, $strrnatcmp);
+	return $array;
+}
+
+function phpbb_string_ends_with($haystack, $needle)
+{
+	return substr($haystack, -strlen($needle)) === $needle;
+}
+
+function phpbb_is_update_file($filename)
+{
+	return strpos($filename, '_to_') !== false;
+}
+
+function phpbb_get_checksum($checksum_file)
+{
+	return array_shift(explode(' ', file_get_contents($checksum_file)));
+}
+
+$install_files = $update_files = array();
+foreach (phpbb_rnatsort(array_diff(scandir($root), array('.', '..'))) as $filename)
+{
+	if (phpbb_string_ends_with($filename, $checksum_algorithm))
+	{
+		continue;
+	}
+	else if (phpbb_is_update_file($filename))
+	{
+		$update_files[] = $filename;
+	}
+	else
+	{
+		$install_files[] = $filename;
+	}
+}
+
+foreach ($install_files as $filename)
+{
+	printf($template, $install_url, $filename, phpbb_get_checksum("$root/$filename.$checksum_algorithm"));
+}
+
+echo "\n";
+
+foreach ($update_files as $filename)
+{
+	printf($template, $update_url, $filename, phpbb_get_checksum("$root/$filename.$checksum_algorithm"));
+}