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<title>[32385] trunk/src/wp-admin/includes/update-core.php: When upgrading WordPress remove genericons example.html files</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/32385">32385</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/32385","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>jorbin</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2015-05-06 18:36:48 +0000 (Wed, 06 May 2015)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>When upgrading WordPress remove genericons example.html files
Props @dd32, @boone, @johnjamesjacoby, @drewapicture, @jorbin
--This line,build.wordpress-develop.dea and those below, will be ignored--
M src/wp-admin/includes/update-core.php</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludesupdatecorephp">trunk/src/wp-admin/includes/update-core.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpadminincludesupdatecorephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/includes/update-core.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/update-core.php 2015-05-06 16:20:54 UTC (rev 32384)
+++ trunk/src/wp-admin/includes/update-core.php 2015-05-06 18:36:48 UTC (rev 32385)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1050,6 +1050,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $wp_filesystem->delete($old_file, true);
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Remove any Genericons example.html's from the filesystem
+ _upgrade_422_remove_genericons();
+
</ins><span class="cx" style="display: block; padding: 0 10px"> // Upgrade DB with separate request
</span><span class="cx" style="display: block; padding: 0 10px"> /** This filter is documented in wp-admin/includes/update-core.php */
</span><span class="cx" style="display: block; padding: 0 10px"> apply_filters( 'update_feedback', __( 'Upgrading database…' ) );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1188,3 +1191,67 @@
</span><span class="cx" style="display: block; padding: 0 10px"> exit();
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> add_action( '_core_updated_successfully', '_redirect_to_about_wordpress' );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+/**
+ * Cleans up Genericons example files.
+ *
+ * @since 4.2.2
+ */
+function _upgrade_422_remove_genericons() {
+ global $wp_theme_directories, $wp_filesystem;
+
+ // A list of the affected files using the filesystem absolute paths.
+ $affected_files = array();
+
+ // Themes
+ foreach ( $wp_theme_directories as $directory ) {
+ $affected_theme_files = _upgrade_422_find_genericons_files_in_folder( $directory );
+ $affected_files = array_merge( $affected_files, $affected_theme_files );
+ }
+
+ // Plugins
+ $affected_plugin_files = _upgrade_422_find_genericons_files_in_folder( WP_PLUGIN_DIR );
+ $affected_files = array_merge( $affected_files, $affected_plugin_files );
+
+ foreach ( $affected_files as $file ) {
+ $gen_dir = $wp_filesystem->find_folder( trailingslashit( dirname( $file ) ) );
+ if ( empty( $gen_dir ) ) {
+ continue;
+ }
+
+ // The path when the file is accessed via WP_Filesystem may differ in the case of FTP
+ $remote_file = $gen_dir . basename( $file );
+
+ if ( ! $wp_filesystem->exists( $remote_file ) ) {
+ continue;
+ }
+
+ if ( ! $wp_filesystem->delete( $remote_file, false, 'f' ) ) {
+ $wp_filesystem->put_contents( $remote_file, '' );
+ }
+ }
+}
+
+/**
+ * Recursively find Genericons example files in a given folder.
+ *
+ * @ignore
+ * @since 4.2.2
+ *
+ * @param string $directory Directory path. Expects trailingslashed.
+ * @return array
+ */
+function _upgrade_422_find_genericons_files_in_folder( $directory ) {
+ $directory = trailingslashit( $directory );
+ $files = array();
+
+ if ( file_exists( "{$directory}example.html" ) && false !== strpos( file_get_contents( "{$directory}example.html" ), '<title>Genericons</title>' ) ) {
+ $files[] = "{$directory}example.html";
+ }
+
+ foreach ( glob( $directory . '*', GLOB_ONLYDIR ) as $dir ) {
+ $files = array_merge( $files, _upgrade_422_find_genericons_files_in_folder( $dir ) );
+ }
+
+ return $files;
+}
</ins></span></pre>
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