oh-my-fish/plugins/brew/brew.load

set -l brew_paths /usr/local/bin /usr/bin /bin /usr/local/sbin /usr/sbin /sbin
for brew_path in $brew_paths[-1..1]
  if test -d $brew_path
    set PATH $brew_path $PATH
  end
end

set -l local_loop 7 #7 should be a variable derived from $brew_paths count + 1
for i in (seq (count $PATH))[7..-1]
  if contains $PATH[$local_loop] $brew_paths
    set -e PATH[$local_loop]
  else
    set local_loop (math "$local_loop + 1")
  end
end

set -e brew_paths
set -e local_loop