I have Drush installed via Homebrew on my Mac. I am currently unable to execute "drush up" in a Drupal web site. When I attempt, I get the error:

Destination directory [...] already exists.

Is this normal? Do I need to use a different version? Do I need to stop using Homebrew?

  • what does drush up -debug tell you? I'd imagine if Drush 8 was completely broken that thousands of complaints would be filed, so it's probably an issue with your local system; such as Permissions, PHP, etc. – tenken Feb 18 '16 at 20:15
  • As far as I can tell, not much more. It's downloading the tar, extracting it correctly, but when it goes to move the updated module into place, it gives the same error, destination directory already exists. When I look at the directory, I see it is empty of files. There are other subdirectories. I've executed this command three times, and each time it leaves the module it's attempting to update broken. – safetypin Feb 18 '16 at 20:24
  • Check how your PHP CLI is setup for to run. Sounds like a permissions issue. – Brady Feb 18 '16 at 21:52
  • @Brady - do you know what permissions I should look for? The really strange thing is that drush up works without an error on a Drupal 8 site. – safetypin Feb 19 '16 at 16:03
  • In regards to the Homebrew question. I would use Composer for Drush. You are going to get the latest code with Composer, you will have to wait till the Homebrew package gets updated. I love Homebrew but I do not use it for Drush. – Brady Feb 21 '16 at 9:47

You could be hitting this issue - there is a bug if you have a version control system such as SVN installed.

If it is this bug, the error should go away if you pass --version-control=backup. Of course you will then lose some integration with your version control system.

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  • It's weird that I'm getting a completely different error message. Thanks! – safetypin Feb 23 '16 at 16:55

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