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I have subversion and Unity installed via brew.

I have code in Unity to run svn and it returns the error:

svn: The subversion command line tools are no longer provided by Xcode.

But if I run svn in Terminal, it works correctly.

How do I resolve this issue?

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Turns out that Unity wasn't receiving the correct path. I think this would be true for most applications launched from the Dock, Finder, or Spotlight (but not from the Terminal). (It's not the case for MacVim, but that's unsurprising so I didn't dig into why.)

It had this set for PATH:

PATH=/usr/bin:/bin:/usr/sbin:/sbin

My .bashrc, .zsh_profile, etc didn't effect the PATH.

This post explains that on macOS you need to use launchctl to set your PATH for it to be respected by apps launched outside of a shell. Since I have svn from brew, it's in /usr/local/bin:

sudo launchctl config user path /usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin

Once I'd done that, rebooted, closed, and re-opened Unity, then it found my brew-installed svn.

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