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