Merge pull request #20741 from gromgit/fix-cnf-init

command-not-found-init: match fish init behavior to *sh

Author: MikeMcQuaid

Library/Homebrew/cmd/command-not-found-init.rb

@@ -41,7 +41,7 @@ def init
         when :bash, :zsh
           puts File.read(File.expand_path("#{File.dirname(__FILE__)}/../command-not-found/handler.sh"))
         when :fish
-          puts File.expand_path("#{File.dirname(__FILE__)}/../command-not-found/handler.fish")
+          puts File.read(File.expand_path("#{File.dirname(__FILE__)}/../command-not-found/handler.fish"))
         else
           raise "Unsupported shell type #{shell}"
         end

Library/Homebrew/command-not-found/handler.fish

@@ -1,3 +1,4 @@
+# See https://docs.brew.sh/Command-Not-Found for current setup instructions
 # License: MIT
 # The license text can be found in Library/Homebrew/command-not-found/LICENSE