all: manyutil --version | tee > dir broke pipe #9936
Description
$ mkdir -p a
$ coreutils true --version | tee > a
warning: An error occurred while redirecting file 'a'
open: Is a directory
true: Broken pipe (os error 32)
$ gnu-true --version | tee > a
warning: An error occurred while redirecting file 'a'
open: Is a directory # fish caches SIGPIPE, but not `true`'s one