Added striplangs.php script, with which you can strip out unused languages out of DW to make it smaller (eg. FTP upload)

1 files changed, 143 insertions, 0 deletions

diff --git a/bin/striplangs.php b/bin/striplangs.php
new file mode 100644
index 000000000..a53fe580f
--- /dev/null
+++ b/bin/striplangs.php
@@ -0,0 +1,143 @@
+#!/usr/bin/php
+<?php
+if ('cli' != php_sapi_name()) die();
+
+#------------------------------------------------------------------------------
+if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
+require_once DOKU_INC.'inc/cliopts.php';
+
+#------------------------------------------------------------------------------
+function usage($show_examples = false) {
+    print "Usage: striplangs.php [-h [-x]] [-e] [-k lang1[,lang2]..[,langN]]
+
+    Removes all languages from the instalation, besides the ones
+    after the -k option. English language is never removed!
+
+    OPTIONS
+        -h, --help     get this help
+        -x, --examples get also usage examples
+        -k, --keep     comma separated list of languages, -e is always implied        
+        -e, --english  keeps english, dummy to use without -k";
+    if ( $show_examples ) {
+        print "\n
+    EXAMPLES
+        Strips all languages, but keeps 'en' and 'de':        
+         striplangs -k de
+
+        Strips all but 'en','ca-valencia','cs','de','is','sk':
+         striplangs --keep ca-valencia,cs,de,is,sk
+         
+        Strips all but 'en':
+         striplangs -e
+         
+        No option specified, prints usage and throws error:
+         striplangs\n";
+    }
+}
+
+function getSuppliedArgument($OPTS, $short, $long) {
+    $arg = $OPTS->get($short);
+    if ( is_null($arg) ) {
+        $arg = $OPTS->get($long);
+    }
+    return $arg;
+}
+
+function processPlugins($path, $keep_langs) {
+    if (is_dir($path)) {
+        $entries = scandir($path);
+
+        foreach ($entries as $entry) {
+            if ($entry != "." && $entry != "..") {
+                if ( is_dir($path.'\\'.$entry) ) {
+                    
+                    $plugin_langs = $path.'\\'.$entry.'\\lang';
+                                        
+                    if ( is_dir( $plugin_langs ) ) {
+                        stripDirLangs($plugin_langs, $keep_langs);
+                    }
+                }
+            }
+        }    
+    }
+}
+
+function stripDirLangs($path, $keep_langs) {
+    $dir = dir($path);
+
+    while(($cur_dir = $dir->read()) !== false) {
+        if( $cur_dir != '.' and $cur_dir != '..' and is_dir($path.'\\'.$cur_dir)) {
+
+            if ( !in_array($cur_dir, $keep_langs, true ) ) {
+                killDir($path.'\\'.$cur_dir);
+            }
+        }
+    }
+    $dir->close();
+} 
+
+function killDir($dir) {
+    if (is_dir($dir)) {
+        $entries = scandir($dir);
+
+        foreach ($entries as $entry) {
+            if ($entry != "." && $entry != "..") {
+                if ( is_dir($dir.'\\'.$entry) ) {
+                    killDir($dir.'\\'.$entry);
+                } else {
+                    unlink($dir.'\\'.$entry);
+                }
+            }
+        }    
+        reset($entries);
+        rmdir($dir);
+    }
+}
+#------------------------------------------------------------------------------
+
+// handle options
+$short_opts = 'hxk:e';
+$long_opts  = array('help', 'examples', 'keep=','english');
+
+$OPTS = Doku_Cli_Opts::getOptions(__FILE__, $short_opts, $long_opts);
+
+if ( $OPTS->isError() ) {
+    fwrite( STDERR, $OPTS->getMessage() . "\n");
+    exit(1);
+}
+
+// handle '--examples' option
+$show_examples = ( $OPTS->has('x') or $OPTS->has('examples') ) ? true : false;
+
+// handle '--help' option
+if ( $OPTS->has('h') or $OPTS->has('help') ) {
+    usage($show_examples);
+    exit(0);
+}
+
+// handle both '--keep' and '--english' options
+if ( $OPTS->has('k') or $OPTS->has('keep') ) {
+    $preserved_langs = getSuppliedArgument($OPTS,'k','keep');
+    $langs = explode(',', $preserved_langs);
+    
+    // ! always enforce 'en' lang when using '--keep' (DW relies on it)
+    if ( !isset($langs['en']) ) {
+      $langs[]='en';
+    }    
+} elseif ( $OPTS->has('e') or $OPTS->has('english') ) {
+    // '--english' was specified strip everything besides 'en'
+    $langs = array ('en');
+} else {
+    // no option was specified, print usage but don't do anything as
+    // this run might not be intented
+    usage();
+    print "\n
+    ERROR
+        No option specified, use either -h -x to get more info,
+        or -e to strip every language besides english.\n";
+    exit(1);
+}
+
+// Kill all language directories in /inc/lang and /lib/plugins besides those in $langs array
+stripDirLangs(realpath(dirname(__FILE__).'/../inc/lang'), $langs);
+processPlugins(realpath(dirname(__FILE__).'/../lib/plugins'), $langs);
\ No newline at end of file