* (bug 14611) Added support showing the version of the Math rendering engine.

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 727fd8f..7066473 100644 (file)
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -101,7 +101,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * Added a PHP port of CDB (constant database), for improved local caching when
   the DBA extension is not available.
 * (bug 14611) Added support showing the version of the image thumbnailing 
-  engine and diff/diff3 engine.
+  engine, diff/diff3 engine and TeX engine.
 * Introduced a new system for localisation caching. The system is based around 
   fast fetches of individual messages, minimising memory overhead and startup 
   time in the typical case. The database backend will be used by default, but 

diff --git a/includes/specials/SpecialVersion.php b/includes/specials/SpecialVersion.php
index a626a69..e837985 100644 (file)
--- a/includes/specials/SpecialVersion.php
+++ b/includes/specials/SpecialVersion.php
@@ -100,7 +100,7 @@ class SpecialVersion extends SpecialPage {
         * @return wiki text showing the third party software versions (apache, php, mysql).
         */
        static function softwareInformation() {
-               global $wgUseImageMagick, $wgImageMagickConvertCommand, $wgDiff3, $wgDiff;
+               global $wgUseImageMagick, $wgImageMagickConvertCommand, $wgDiff3, $wgDiff, $wgUseTeX;
                global $wgAllowTitlesInSVG, $wgSVGConverter, $wgSVGConverters, $wgSVGConverterPath;
                $dbr = wfGetDB( DB_SLAVE );
 
@@ -200,6 +200,57 @@ class SpecialVersion extends SpecialPage {
                                $software["[$swSVGConvURL $swSVGConvName]"] = $swSVGConvVer;
                }
 
+               // Look for TeX support and print the software version info
+               if ( $wgUseTeX ) {
+                       $binPath = '/usr/bin/';
+                       $swMathName = Array(
+                               'ocaml'       => 'OCaml',
+                               'gs'          => 'Ghostscript',
+                               'dvips'       => 'Dvips',
+                               'latex'       => 'LaTeX',
+                               'imagemagick' => 'ImageMagick',
+                       );
+                       $swMathNURL = Array(
+                               'ocaml'       => 'http://caml.inria.fr/',
+                               'gs'          => 'http://www.ghostscript.com/',
+                               'dvips'       => 'http://www.radicaleye.com/dvips.html',
+                               'latex'       => 'http://www.latex-project.org/',
+                               'imagemagick' => 'http://www.imagemagick.org/',
+                       );
+                       $swMathExec = Array(
+                               'ocaml'       => 'ocamlc',
+                               'gs'          => 'gs',
+                               'dvips'       => 'dvips',
+                               'latex'       => 'latex',
+                               'imagemagick' => 'convert',
+                       );
+                       $swMathParam = Array(
+                               'ocaml'       => '-version',
+                               'gs'          => '-v',
+                               'dvips'       => '-v',
+                               'latex'       => '-v',
+                               'imagemagick' => '-version',
+                       );
+                       foreach ( $swMathExec as $swMath => $swMathCmd ) {
+                               if ( file_exists( $binPath . $swMathCmd ) ) {
+                                       $swMathInfo = self::execOutput( $binPath . $swMathCmd . ' ' . $swMathParam[$swMath] );
+                                       $swMathLine = explode("\n",$swMathInfo ,2);
+                                       $swMathVerInfo = $swMathLine[0];
+                                       if ( !strcmp( $swMath, 'gs' ) )
+                                               $swMathVerInfo = str_replace( 'GPL Ghostscript ', '', $swMathVerInfo );
+                                       else if ( !strcmp( $swMath, 'dvips' ) ) {
+                                               $swMathVerParts = explode( ' ' , $swMathVerInfo );
+                                               $swMathVerInfo = $swMathVerParts[3];
+                                       } else if ( !strcmp( $swMath, 'imagemagick' ) ) {
+                                               list( $head, $tail ) = explode( 'ImageMagick', $swMathVerInfo );
+                                               list( $swMathVerInfo ) = explode('http://www.imagemagick.org', $tail );
+                                       }
+                                       $swMathVer[$swMath] = $swMathVerInfo;
+                                       $software["[$swMathURL $swMathName]"] = $swMathVer[$swMath];
+                               }       
+                       }
+               }
+
                // Allow a hook to add/remove items
                wfRunHooks( 'SoftwareInfo', array( &$software ) );