
Also xcrun can only exist at /usr/bin/xcrun. Most of these edges are non-buildable environments, but I didn't know that when writing it, so it may as well stay, since it still does make brew --env more correct.
Also xcrun can only exist at /usr/bin/xcrun. Most of these edges are non-buildable environments, but I didn't know that when writing it, so it may as well stay, since it still does make brew --env more correct.