Update fish from 2.7.1 to 2.7.1-1

packages/fish.rb

@@ -3,9 +3,9 @@ require 'package'
 class Fish < Package
   description 'fish is a smart and user-friendly command line shell for macOS, Linux, and the rest of the family.'
   homepage 'http://fishshell.com/'
-  version '2.7.1'
-  source_url 'https://github.com/fish-shell/fish-shell/archive/2.7.1.tar.gz'
-  source_sha256 'eb43ea2eb9accf76661c487dd530a5fd345fa40a3201bd22cef2c52be39fb474'
+  version '2.7.1-1'
+  source_url 'https://github.com/fish-shell/fish-shell/releases/download/2.7.1/fish-2.7.1.tar.gz'
+  source_sha256 'e42bb19c7586356905a58578190be792df960fa81de35effb1ca5a5a981f0c5a'
 
   binary_url ({
   })
@@ -22,4 +22,25 @@ class Fish < Package
   def self.install
     system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
   end
+
+  def self.postinstall
+    puts
+    puts "To run fish, type `fish` in your terminal.".lightblue
+    puts "Even if you are already in fish, you should now start a new fish session.".lightblue
+    puts
+    puts "To use fish as your login shell:".lightblue
+    puts "* add the line '#{CREW_PREFIX}/bin/fish' to the file '#{CREW_PREFIX}/etc/shells':".lightblue
+    puts "echo '#{CREW_PREFIX}/bin/fish' | tee -a #{CREW_PREFIX}/etc/shells > /dev/null".lightblue
+    puts "* run 'chsh -s #{CREW_PREFIX}/bin/fish'".lightblue
+    puts
+    puts "If you have SELinux enabled, you may need to manually update the security policy:".lightblue
+    puts "* use the command 'chcon -t shell_exec_t #{CREW_PREFIX}/bin/fish'".lightblue
+    puts
+    puts "To set your colors, run `fish_config`".lightblue
+    puts "To scan your man pages for completions, run `fish_update_completions`".lightblue
+    puts "To accept autosuggestions (in grey) as you type, hit `ctrl-F` or right arrow key.".lightblue
+    puts
+    puts "Have fun! <><".lightblue
+    puts
+  end
 end