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<title>[42474] branches/4.0: Upgrade: When deleting old files, if deletion fails attempt to empty the file instead.</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/42474">42474</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/42474","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>dd32</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-01-16 06:56:50 +0000 (Tue, 16 Jan 2018)</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'>Upgrade: When deleting old files, if deletion fails attempt to empty the file instead.
Props joemcgill, dd32.
Merges <a href="https://core.trac.wordpress.org/changeset/42434">[42434]</a> to the 4.0 branch.
Fixes <a href="https://core.trac.wordpress.org/ticket/42963">#42963</a> for 4.0.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches40srcwpadminincludesupdatecorephp">branches/4.0/src/wp-admin/includes/update-core.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches40">branches/4.0/</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.0
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/4.0 2018-01-16 06:56:21 UTC (rev 42473)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.0 2018-01-16 06:56:50 UTC (rev 42474)
</ins><a id="branches40"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.0</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/4.4:41434
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/4.5:41415-41416
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/4.6:38615,41414
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:29723-29725,29727,29730,29733,29738,29745-29746,29751,29755,29765-29766,29777,29783,29829,29884,29886,29979,30001,30090,30185,30242,30263-30264,30282,30285,30378,30401,30412,30417,30422,30425,30430,30435,30438,30443,30458,30466,30513-30514,30517,30519,30521,30529,31258-31259,33124,33142,33374,36083,36435,37651,38524,39645,39659,39759,39772,39795,39807-39808,39831,39850,39956,40148,40160,40169,40183,40241,40400,40538,40604,40677,40692,40704,40723,40736,41072,41393,41395,41398,41457,41470,41483,41496,41522,41662,42056,42119-42120,42258-42261
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/branches/4.9:42434
+/trunk:29723-29725,29727,29730,29733,29738,29745-29746,29751,29755,29765-29766,29777,29783,29829,29884,29886,29979,30001,30090,30185,30242,30263-30264,30282,30285,30378,30401,30412,30417,30422,30425,30430,30435,30438,30443,30458,30466,30513-30514,30517,30519,30521,30529,31258-31259,33124,33142,33374,36083,36435,37651,38524,39645,39659,39759,39772,39795,39807-39808,39831,39850,39956,40148,40160,40169,40183,40241,40400,40538,40604,40677,40692,40704,40723,40736,41072,41393,41395,41398,41457,41470,41483,41496,41522,41662,42056,42119-42120,42258-42261,42433
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches40srcwpadminincludesupdatecorephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.0/src/wp-admin/includes/update-core.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.0/src/wp-admin/includes/update-core.php 2018-01-16 06:56:21 UTC (rev 42473)
+++ branches/4.0/src/wp-admin/includes/update-core.php 2018-01-16 06:56:50 UTC (rev 42474)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1008,7 +1008,11 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $old_file = $to . $old_file;
</span><span class="cx" style="display: block; padding: 0 10px"> if ( !$wp_filesystem->exists($old_file) )
</span><span class="cx" style="display: block; padding: 0 10px"> continue;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $wp_filesystem->delete($old_file, true);
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ // If the file isn't deleted, try writing an empty string to the file instead.
+ if ( ! $wp_filesystem->delete( $old_file, true ) && $wp_filesystem->is_file( $old_file ) ) {
+ $wp_filesystem->put_contents( $old_file, '' );
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Remove any Genericons example.html's from the filesystem
</span></span></pre>
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