Sergey Biryukov 04967a68b6 Upgrade/Install: Introduce WP_Automatic_Updater::is_allowed_dir() method.
As part of determining whether to perform automatic updates, WordPress checks if it is running within a version-controlled environment, recursively looking up the filesystem to the top of the drive, looking for a Subversion, Git, Mercurial, or Bazaar directory, erring on the side of detecting a VCS checkout somewhere.

This commit avoids a PHP warning if the `open_basedir` directive is in use and any of the directories checked in the process are not allowed:
{{{
is_dir(): open_basedir restriction in effect. File(/.git) is not within the allowed path(s)
}}}

Follow-up to [25421], [25700], [25764], [25835], [25859].

Props costdev, markjaquith, meyegui, dd32, arnolp, robin-labadie, hellofromTonya, afragen, pbiron, SergeyBiryukov.
Fixes #42619.
Built from https://develop.svn.wordpress.org/trunk@55425


git-svn-id: http://core.svn.wordpress.org/trunk@54958 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2023-02-26 15:19:21 +00:00
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