Support RMATE_{HOST,PORT}.

This allows setting the default host/port as environment variables and additionally, if the server accepts environment variables from the connecting client, solves the problem where multiple clients connects to the same account (e.g. same user on different machines).

rmate

@@ -3,7 +3,7 @@ require 'optparse'
 require 'socket'
 require 'fileutils'
 
-VERSION_STRING = 'rmate version 1.2 (2011-01-23)'
+VERSION_STRING = 'rmate version 1.3 (2011-10-18)'
 
 class Settings
   attr_accessor :host, :port, :wait, :force, :verbose
@@ -15,6 +15,9 @@ class Settings
       @host = conn.split(' ').first
     end
 
+    @host = ENV['RMATE_HOST'].to_s if ENV.has_key? 'RMATE_HOST'
+    @port = ENV['RMATE_PORT'].to_i if ENV.has_key? 'RMATE_PORT'
+
     @wait    = false
     @force   = false
     @verbose = false