Deprecate some contributions.

This is just a starting point to start discussion. I think we have a
few options with contributions:

- Stop accepting them altogether and move the ones we need/use/support
  into core commands
- Accept them on an unsupported basis and require they be added
  manually to the PATH
- Actively support and fix bugs in them all

Closes Homebrew/homebrew#30749.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Library/Contributions/cmd/brew-beer.rb

@@ -176,4 +176,11 @@ your friends! Ready to expand your brewing prowess?
 Thanks for brewin'
 EOS
 
+opoo <<-EOS.undent
+  brew beer is deprecated and going to be removed at some point in the
+  future. If you would like to volunteer to maintain it in a tap please get in
+  contact with us. Thanks!
+
+EOS
+
 puts HOMEBREW_BEER

Library/Contributions/cmd/brew-bundle-dir.rb

@@ -44,6 +44,12 @@ Usage: brew #{NAME}
   USAGE
 end
 
+opoo <<-EOS.undent
+  brew bundle-dir is unsupported and will be removed soon.
+  Please feel free volunteer to support it in a tap.
+
+EOS
+
 # command.
 command = ARGV.first
 

Library/Contributions/cmd/brew-bundle.rb

@@ -27,6 +27,13 @@ def usage
   exit
 end
 
+opoo <<-EOS.undent
+  brew bundle is unsupported and will be replaced with another,
+  incompatible version at some point.
+  Please feel free volunteer to support it in a tap.
+
+EOS
+
 usage if ARGV.include?('--help') || ARGV.include?('-h')
 
 path = 'Brewfile'

Library/Contributions/cmd/brew-graph

@@ -5,6 +5,7 @@ $ brew graph | dot -Tsvg -ohomebrew.html
 $ open homebrew.html
 """
 from __future__ import with_statement
+from __future__ import print_function
 
 from contextlib import contextmanager
 import re
@@ -14,7 +15,7 @@ import sys
 
 def run(command, print_command=False):
     "Run a command, returning the exit code and output."
-    if print_command: print command
+    if print_command: print(command)
     p = Popen(command, stdout=PIPE)
     output, errput = p.communicate()
     return p.returncode, output
@@ -361,4 +362,8 @@ def main():
 
 
 if __name__ == "__main__":
+    print("""Warning: brew graph is unsupported and will be removed soon.
+You should use `brew deps --tree` instead.
+Please feel free volunteer to support it in a tap.
+    """, file=sys.stderr)
     main()

Library/Contributions/cmd/brew-server

@@ -12,6 +12,13 @@ require 'cmd/search'
 
 require 'rubygems'
 
+opoo <<-EOS.undent
+  brew server is unsupported and will be removed soon.
+  You should use http://braumeister.org instead.
+  Please feel free volunteer to support it in a tap.
+
+EOS
+
 begin
   require 'sinatra'
 rescue LoadError

Library/Contributions/cmd/brew-services.rb

@@ -366,4 +366,12 @@ end
 
 # Start the cli dispatch stuff.
 #
+
+opoo <<-EOS.undent
+  brew services is unsupported and will be removed soon.
+  You should use launchctl instead.
+  Please feel free volunteer to support it in a tap.
+
+EOS
+
 ServicesCli.run!

Library/Contributions/cmd/brew-versions.rb

@@ -4,9 +4,10 @@ raise "Please `brew update` first" unless (HOMEBREW_REPOSITORY/".git").directory
 raise FormulaUnspecifiedError if ARGV.named.empty?
 
 opoo <<-EOS.undent
-  brew-versions is unsupported and may be removed soon.
-  Please use the homebrew-versions tap instead:
+  brew-versions is unsupported and will be removed soon.
+  You should use the homebrew-versions tap instead:
     https://github.com/Homebrew/homebrew-versions
+
 EOS
 ARGV.formulae.each do |f|
   versions = FormulaVersions.new(f)

Library/Contributions/cmd/brew-which.rb

@@ -3,17 +3,14 @@ require 'extend/pathname'
 module Homebrew
   def which_versions which_brews=nil
     opoo <<-EOS.undent
-      brew-which is unsupported and may be removed soon.
+      brew which is unsupported and will be removed soon.
 
-      To see which versions are installed:
-        brew list --versions
-
-      To query formula information see:
+      You should use `brew list --versions` instead.
+      To query other formula information see:
         https://github.com/Homebrew/homebrew/wiki/Querying-Brew
 
-      For other uses please send a message to the mailing list describing
-      your use of this command, so a suggestion can be recommended or
-      implemented.
+      Please feel free volunteer to support it in a tap.
+
     EOS
 
     brew_links = Array.new