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Merge branch 'MDL-54916' of https://github.com/mr-russ/moodle

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This commit is contained in:
Eloy Lafuente (stronk7) 2016-11-07 16:19:06 +01:00
commit a584a403cd
1 changed files with 6 additions and 0 deletions
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6
lib/filestorage/zip_archive.php
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@ -207,6 +207,12 @@ class zip_archive extends file_archive {
$this->mode = null;
$this->namelookup = null;
$this->modified = false;
// If the existing archive is already empty, we didn't change it. Don't bother completing a save.
// This is important when we are inspecting archives that we might not have write permission to.
if (@filesize($this->archivepathname) == 22 &&
@file_get_contents($this->archivepathname) === base64_decode(self::$emptyzipcontent)) {
return true;
}
@unlink($this->archivepathname);
$data = base64_decode(self::$emptyzipcontent);
if (!file_put_contents($this->archivepathname, $data)) {